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authorGiuseppe Scrivano <gscrivan@redhat.com>2021-03-17 14:43:10 +0100
committerGiuseppe Scrivano <gscrivan@redhat.com>2021-03-18 20:27:25 +0100
commitec1651fbf11c4d3d1c792e7f46139ebd96f7ffb2 (patch)
tree61606abbce5e8efbf0c1f0c0ff6fe1c785c8a203 /vendor/github.com/prometheus/procfs
parent77b3a2df645f2548f7bd2da85bbdb17e4de98310 (diff)
downloadpodman-ec1651fbf11c4d3d1c792e7f46139ebd96f7ffb2.tar.gz
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Bump github.com/containers/storage from 1.25.0 to 1.28.0
Bumps [github.com/containers/storage](https://github.com/containers/storage) from 1.25.0 to 1.28.0. - [Release notes](https://github.com/containers/storage/releases) - [Changelog](https://github.com/containers/storage/blob/master/docs/containers-storage-changes.md) - [Commits](https://github.com/containers/storage/compare/v1.25.0...v1.28.0) Signed-off-by: dependabot-preview[bot] <support@dependabot.com> Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
Diffstat (limited to 'vendor/github.com/prometheus/procfs')
-rw-r--r--vendor/github.com/prometheus/procfs/.golangci.yml6
-rw-r--r--vendor/github.com/prometheus/procfs/CODE_OF_CONDUCT.md3
-rw-r--r--vendor/github.com/prometheus/procfs/CONTRIBUTING.md109
-rw-r--r--vendor/github.com/prometheus/procfs/Makefile.common43
-rw-r--r--vendor/github.com/prometheus/procfs/README.md16
-rw-r--r--vendor/github.com/prometheus/procfs/arp.go85
-rw-r--r--vendor/github.com/prometheus/procfs/buddyinfo.go2
-rw-r--r--vendor/github.com/prometheus/procfs/cpuinfo.go464
-rw-r--r--vendor/github.com/prometheus/procfs/cpuinfo_armx.go19
-rw-r--r--vendor/github.com/prometheus/procfs/cpuinfo_mipsx.go19
-rw-r--r--vendor/github.com/prometheus/procfs/cpuinfo_others.go19
-rw-r--r--vendor/github.com/prometheus/procfs/cpuinfo_ppcx.go19
-rw-r--r--vendor/github.com/prometheus/procfs/cpuinfo_s390x.go18
-rw-r--r--vendor/github.com/prometheus/procfs/cpuinfo_x86.go19
-rw-r--r--vendor/github.com/prometheus/procfs/crypto.go153
-rw-r--r--vendor/github.com/prometheus/procfs/fixtures.ttar3996
-rw-r--r--vendor/github.com/prometheus/procfs/fscache.go422
-rw-r--r--vendor/github.com/prometheus/procfs/go.mod7
-rw-r--r--vendor/github.com/prometheus/procfs/go.sum10
-rw-r--r--vendor/github.com/prometheus/procfs/internal/fs/fs.go2
-rw-r--r--vendor/github.com/prometheus/procfs/internal/util/parse.go97
-rw-r--r--vendor/github.com/prometheus/procfs/internal/util/readfile.go38
-rw-r--r--vendor/github.com/prometheus/procfs/internal/util/sysreadfile.go48
-rw-r--r--vendor/github.com/prometheus/procfs/internal/util/sysreadfile_compat.go26
-rw-r--r--vendor/github.com/prometheus/procfs/internal/util/valueparser.go91
-rw-r--r--vendor/github.com/prometheus/procfs/ipvs.go12
-rw-r--r--vendor/github.com/prometheus/procfs/kernel_random.go62
-rw-r--r--vendor/github.com/prometheus/procfs/loadavg.go62
-rw-r--r--vendor/github.com/prometheus/procfs/mdstat.go7
-rw-r--r--vendor/github.com/prometheus/procfs/meminfo.go277
-rw-r--r--vendor/github.com/prometheus/procfs/mountinfo.go128
-rw-r--r--vendor/github.com/prometheus/procfs/mountstats.go20
-rw-r--r--vendor/github.com/prometheus/procfs/net_conntrackstat.go153
-rw-r--r--vendor/github.com/prometheus/procfs/net_dev.go1
-rw-r--r--vendor/github.com/prometheus/procfs/net_sockstat.go163
-rw-r--r--vendor/github.com/prometheus/procfs/net_softnet.go102
-rw-r--r--vendor/github.com/prometheus/procfs/net_udp.go229
-rw-r--r--vendor/github.com/prometheus/procfs/net_unix.go224
-rw-r--r--vendor/github.com/prometheus/procfs/proc.go66
-rw-r--r--vendor/github.com/prometheus/procfs/proc_cgroup.go98
-rw-r--r--vendor/github.com/prometheus/procfs/proc_environ.go12
-rw-r--r--vendor/github.com/prometheus/procfs/proc_fdinfo.go133
-rw-r--r--vendor/github.com/prometheus/procfs/proc_io.go12
-rw-r--r--vendor/github.com/prometheus/procfs/proc_maps.go209
-rw-r--r--vendor/github.com/prometheus/procfs/proc_psi.go21
-rw-r--r--vendor/github.com/prometheus/procfs/proc_smaps.go165
-rw-r--r--vendor/github.com/prometheus/procfs/proc_stat.go10
-rw-r--r--vendor/github.com/prometheus/procfs/proc_status.go60
-rw-r--r--vendor/github.com/prometheus/procfs/schedstat.go118
-rw-r--r--vendor/github.com/prometheus/procfs/stat.go12
-rw-r--r--vendor/github.com/prometheus/procfs/swaps.go89
-rw-r--r--vendor/github.com/prometheus/procfs/vm.go210
-rw-r--r--vendor/github.com/prometheus/procfs/zoneinfo.go196
53 files changed, 8196 insertions, 386 deletions
diff --git a/vendor/github.com/prometheus/procfs/.golangci.yml b/vendor/github.com/prometheus/procfs/.golangci.yml
index 438ca92ec..0aa09edac 100644
--- a/vendor/github.com/prometheus/procfs/.golangci.yml
+++ b/vendor/github.com/prometheus/procfs/.golangci.yml
@@ -1,6 +1,4 @@
-# Run only staticcheck for now. Additional linters will be enabled one-by-one.
+---
linters:
enable:
- - staticcheck
- - govet
- disable-all: true
+ - golint
diff --git a/vendor/github.com/prometheus/procfs/CODE_OF_CONDUCT.md b/vendor/github.com/prometheus/procfs/CODE_OF_CONDUCT.md
new file mode 100644
index 000000000..9a1aff412
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/CODE_OF_CONDUCT.md
@@ -0,0 +1,3 @@
+## Prometheus Community Code of Conduct
+
+Prometheus follows the [CNCF Code of Conduct](https://github.com/cncf/foundation/blob/master/code-of-conduct.md).
diff --git a/vendor/github.com/prometheus/procfs/CONTRIBUTING.md b/vendor/github.com/prometheus/procfs/CONTRIBUTING.md
index 40503edbf..943de7615 100644
--- a/vendor/github.com/prometheus/procfs/CONTRIBUTING.md
+++ b/vendor/github.com/prometheus/procfs/CONTRIBUTING.md
@@ -2,17 +2,120 @@
Prometheus uses GitHub to manage reviews of pull requests.
+* If you are a new contributor see: [Steps to Contribute](#steps-to-contribute)
+
* If you have a trivial fix or improvement, go ahead and create a pull request,
- addressing (with `@...`) the maintainer of this repository (see
+ addressing (with `@...`) a suitable maintainer of this repository (see
[MAINTAINERS.md](MAINTAINERS.md)) in the description of the pull request.
* If you plan to do something more involved, first discuss your ideas
on our [mailing list](https://groups.google.com/forum/?fromgroups#!forum/prometheus-developers).
This will avoid unnecessary work and surely give you and us a good deal
- of inspiration.
+ of inspiration. Also please see our [non-goals issue](https://github.com/prometheus/docs/issues/149) on areas that the Prometheus community doesn't plan to work on.
* Relevant coding style guidelines are the [Go Code Review
Comments](https://code.google.com/p/go-wiki/wiki/CodeReviewComments)
and the _Formatting and style_ section of Peter Bourgon's [Go: Best
Practices for Production
- Environments](http://peter.bourgon.org/go-in-production/#formatting-and-style).
+ Environments](https://peter.bourgon.org/go-in-production/#formatting-and-style).
+
+* Be sure to sign off on the [DCO](https://github.com/probot/dco#how-it-works)
+
+## Steps to Contribute
+
+Should you wish to work on an issue, please claim it first by commenting on the GitHub issue that you want to work on it. This is to prevent duplicated efforts from contributors on the same issue.
+
+Please check the [`help-wanted`](https://github.com/prometheus/procfs/issues?q=is%3Aissue+is%3Aopen+label%3A%22help+wanted%22) label to find issues that are good for getting started. If you have questions about one of the issues, with or without the tag, please comment on them and one of the maintainers will clarify it. For a quicker response, contact us over [IRC](https://prometheus.io/community).
+
+For quickly compiling and testing your changes do:
+```
+make test # Make sure all the tests pass before you commit and push :)
+```
+
+We use [`golangci-lint`](https://github.com/golangci/golangci-lint) for linting the code. If it reports an issue and you think that the warning needs to be disregarded or is a false-positive, you can add a special comment `//nolint:linter1[,linter2,...]` before the offending line. Use this sparingly though, fixing the code to comply with the linter's recommendation is in general the preferred course of action.
+
+## Pull Request Checklist
+
+* Branch from the master branch and, if needed, rebase to the current master branch before submitting your pull request. If it doesn't merge cleanly with master you may be asked to rebase your changes.
+
+* Commits should be as small as possible, while ensuring that each commit is correct independently (i.e., each commit should compile and pass tests).
+
+* If your patch is not getting reviewed or you need a specific person to review it, you can @-reply a reviewer asking for a review in the pull request or a comment, or you can ask for a review on IRC channel [#prometheus](https://webchat.freenode.net/?channels=#prometheus) on irc.freenode.net (for the easiest start, [join via Riot](https://riot.im/app/#/room/#prometheus:matrix.org)).
+
+* Add tests relevant to the fixed bug or new feature.
+
+## Dependency management
+
+The Prometheus project uses [Go modules](https://golang.org/cmd/go/#hdr-Modules__module_versions__and_more) to manage dependencies on external packages. This requires a working Go environment with version 1.12 or greater installed.
+
+All dependencies are vendored in the `vendor/` directory.
+
+To add or update a new dependency, use the `go get` command:
+
+```bash
+# Pick the latest tagged release.
+go get example.com/some/module/pkg
+
+# Pick a specific version.
+go get example.com/some/module/pkg@vX.Y.Z
+```
+
+Tidy up the `go.mod` and `go.sum` files and copy the new/updated dependency to the `vendor/` directory:
+
+
+```bash
+# The GO111MODULE variable can be omitted when the code isn't located in GOPATH.
+GO111MODULE=on go mod tidy
+
+GO111MODULE=on go mod vendor
+```
+
+You have to commit the changes to `go.mod`, `go.sum` and the `vendor/` directory before submitting the pull request.
+
+
+## API Implementation Guidelines
+
+### Naming and Documentation
+
+Public functions and structs should normally be named according to the file(s) being read and parsed. For example,
+the `fs.BuddyInfo()` function reads the file `/proc/buddyinfo`. In addition, the godoc for each public function
+should contain the path to the file(s) being read and a URL of the linux kernel documentation describing the file(s).
+
+### Reading vs. Parsing
+
+Most functionality in this library consists of reading files and then parsing the text into structured data. In most
+cases reading and parsing should be separated into different functions/methods with a public `fs.Thing()` method and
+a private `parseThing(r Reader)` function. This provides a logical separation and allows parsing to be tested
+directly without the need to read from the filesystem. Using a `Reader` argument is preferred over other data types
+such as `string` or `*File` because it provides the most flexibility regarding the data source. When a set of files
+in a directory needs to be parsed, then a `path` string parameter to the parse function can be used instead.
+
+### /proc and /sys filesystem I/O
+
+The `proc` and `sys` filesystems are pseudo file systems and work a bit differently from standard disk I/O.
+Many of the files are changing continuously and the data being read can in some cases change between subsequent
+reads in the same file. Also, most of the files are relatively small (less than a few KBs), and system calls
+to the `stat` function will often return the wrong size. Therefore, for most files it's recommended to read the
+full file in a single operation using an internal utility function called `util.ReadFileNoStat`.
+This function is similar to `ioutil.ReadFile`, but it avoids the system call to `stat` to get the current size of
+the file.
+
+Note that parsing the file's contents can still be performed one line at a time. This is done by first reading
+the full file, and then using a scanner on the `[]byte` or `string` containing the data.
+
+```
+ data, err := util.ReadFileNoStat("/proc/cpuinfo")
+ if err != nil {
+ return err
+ }
+ reader := bytes.NewReader(data)
+ scanner := bufio.NewScanner(reader)
+```
+
+The `/sys` filesystem contains many very small files which contain only a single numeric or text value. These files
+can be read using an internal function called `util.SysReadFile` which is similar to `ioutil.ReadFile` but does
+not bother to check the size of the file before reading.
+```
+ data, err := util.SysReadFile("/sys/class/power_supply/BAT0/capacity")
+```
+
diff --git a/vendor/github.com/prometheus/procfs/Makefile.common b/vendor/github.com/prometheus/procfs/Makefile.common
index d7aea1b86..9320176ca 100644
--- a/vendor/github.com/prometheus/procfs/Makefile.common
+++ b/vendor/github.com/prometheus/procfs/Makefile.common
@@ -69,12 +69,21 @@ else
GO_BUILD_PLATFORM ?= $(GOHOSTOS)-$(GOHOSTARCH)
endif
-PROMU_VERSION ?= 0.4.0
+GOTEST := $(GO) test
+GOTEST_DIR :=
+ifneq ($(CIRCLE_JOB),)
+ifneq ($(shell which gotestsum),)
+ GOTEST_DIR := test-results
+ GOTEST := gotestsum --junitfile $(GOTEST_DIR)/unit-tests.xml --
+endif
+endif
+
+PROMU_VERSION ?= 0.5.0
PROMU_URL := https://github.com/prometheus/promu/releases/download/v$(PROMU_VERSION)/promu-$(PROMU_VERSION).$(GO_BUILD_PLATFORM).tar.gz
GOLANGCI_LINT :=
GOLANGCI_LINT_OPTS ?=
-GOLANGCI_LINT_VERSION ?= v1.16.0
+GOLANGCI_LINT_VERSION ?= v1.18.0
# golangci-lint only supports linux, darwin and windows platforms on i386/amd64.
# windows isn't included here because of the path separator being different.
ifeq ($(GOHOSTOS),$(filter $(GOHOSTOS),linux darwin))
@@ -86,7 +95,8 @@ endif
PREFIX ?= $(shell pwd)
BIN_DIR ?= $(shell pwd)
DOCKER_IMAGE_TAG ?= $(subst /,-,$(shell git rev-parse --abbrev-ref HEAD))
-DOCKERFILE_PATH ?= ./
+DOCKERFILE_PATH ?= ./Dockerfile
+DOCKERBUILD_CONTEXT ?= ./
DOCKER_REPO ?= prom
DOCKER_ARCHS ?= amd64
@@ -140,15 +150,29 @@ else
$(GO) get $(GOOPTS) -t ./...
endif
+.PHONY: update-go-deps
+update-go-deps:
+ @echo ">> updating Go dependencies"
+ @for m in $$($(GO) list -mod=readonly -m -f '{{ if and (not .Indirect) (not .Main)}}{{.Path}}{{end}}' all); do \
+ $(GO) get $$m; \
+ done
+ GO111MODULE=$(GO111MODULE) $(GO) mod tidy
+ifneq (,$(wildcard vendor))
+ GO111MODULE=$(GO111MODULE) $(GO) mod vendor
+endif
+
.PHONY: common-test-short
-common-test-short:
+common-test-short: $(GOTEST_DIR)
@echo ">> running short tests"
- GO111MODULE=$(GO111MODULE) $(GO) test -short $(GOOPTS) $(pkgs)
+ GO111MODULE=$(GO111MODULE) $(GOTEST) -short $(GOOPTS) $(pkgs)
.PHONY: common-test
-common-test:
+common-test: $(GOTEST_DIR)
@echo ">> running all tests"
- GO111MODULE=$(GO111MODULE) $(GO) test $(test-flags) $(GOOPTS) $(pkgs)
+ GO111MODULE=$(GO111MODULE) $(GOTEST) $(test-flags) $(GOOPTS) $(pkgs)
+
+$(GOTEST_DIR):
+ @mkdir -p $@
.PHONY: common-format
common-format:
@@ -200,7 +224,7 @@ endif
.PHONY: common-build
common-build: promu
@echo ">> building binaries"
- GO111MODULE=$(GO111MODULE) $(PROMU) build --prefix $(PREFIX)
+ GO111MODULE=$(GO111MODULE) $(PROMU) build --prefix $(PREFIX) $(PROMU_BINARIES)
.PHONY: common-tarball
common-tarball: promu
@@ -211,9 +235,10 @@ common-tarball: promu
common-docker: $(BUILD_DOCKER_ARCHS)
$(BUILD_DOCKER_ARCHS): common-docker-%:
docker build -t "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:$(DOCKER_IMAGE_TAG)" \
+ -f $(DOCKERFILE_PATH) \
--build-arg ARCH="$*" \
--build-arg OS="linux" \
- $(DOCKERFILE_PATH)
+ $(DOCKERBUILD_CONTEXT)
.PHONY: common-docker-publish $(PUBLISH_DOCKER_ARCHS)
common-docker-publish: $(PUBLISH_DOCKER_ARCHS)
diff --git a/vendor/github.com/prometheus/procfs/README.md b/vendor/github.com/prometheus/procfs/README.md
index 6f8850feb..55d1e3261 100644
--- a/vendor/github.com/prometheus/procfs/README.md
+++ b/vendor/github.com/prometheus/procfs/README.md
@@ -1,6 +1,6 @@
# procfs
-This procfs package provides functions to retrieve system, kernel and process
+This package provides functions to retrieve system, kernel, and process
metrics from the pseudo-filesystems /proc and /sys.
*WARNING*: This package is a work in progress. Its API may still break in
@@ -13,7 +13,8 @@ backwards-incompatible ways without warnings. Use it at your own risk.
## Usage
The procfs library is organized by packages based on whether the gathered data is coming from
-/proc, /sys, or both. Each package contains an `FS` type which represents the path to either /proc, /sys, or both. For example, current cpu statistics are gathered from
+/proc, /sys, or both. Each package contains an `FS` type which represents the path to either /proc,
+/sys, or both. For example, cpu statistics are gathered from
`/proc/stat` and are available via the root procfs package. First, the proc filesystem mount
point is initialized, and then the stat information is read.
@@ -29,10 +30,17 @@ Some sub-packages such as `blockdevice`, require access to both the proc and sys
stats, err := fs.ProcDiskstats()
```
+## Package Organization
+
+The packages in this project are organized according to (1) whether the data comes from the `/proc` or
+`/sys` filesystem and (2) the type of information being retrieved. For example, most process information
+can be gathered from the functions in the root `procfs` package. Information about block devices such as disk drives
+is available in the `blockdevices` sub-package.
+
## Building and Testing
-The procfs library is normally built as part of another application. However, when making
-changes to the library, the `make test` command can be used to run the API test suite.
+The procfs library is intended to be built as part of another application, so there are no distributable binaries.
+However, most of the API includes unit tests which can be run with `make test`.
### Updating Test Fixtures
diff --git a/vendor/github.com/prometheus/procfs/arp.go b/vendor/github.com/prometheus/procfs/arp.go
new file mode 100644
index 000000000..916c9182a
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/arp.go
@@ -0,0 +1,85 @@
+// Copyright 2019 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package procfs
+
+import (
+ "fmt"
+ "io/ioutil"
+ "net"
+ "strings"
+)
+
+// ARPEntry contains a single row of the columnar data represented in
+// /proc/net/arp.
+type ARPEntry struct {
+ // IP address
+ IPAddr net.IP
+ // MAC address
+ HWAddr net.HardwareAddr
+ // Name of the device
+ Device string
+}
+
+// GatherARPEntries retrieves all the ARP entries, parse the relevant columns,
+// and then return a slice of ARPEntry's.
+func (fs FS) GatherARPEntries() ([]ARPEntry, error) {
+ data, err := ioutil.ReadFile(fs.proc.Path("net/arp"))
+ if err != nil {
+ return nil, fmt.Errorf("error reading arp %s: %s", fs.proc.Path("net/arp"), err)
+ }
+
+ return parseARPEntries(data)
+}
+
+func parseARPEntries(data []byte) ([]ARPEntry, error) {
+ lines := strings.Split(string(data), "\n")
+ entries := make([]ARPEntry, 0)
+ var err error
+ const (
+ expectedDataWidth = 6
+ expectedHeaderWidth = 9
+ )
+ for _, line := range lines {
+ columns := strings.Fields(line)
+ width := len(columns)
+
+ if width == expectedHeaderWidth || width == 0 {
+ continue
+ } else if width == expectedDataWidth {
+ entry, err := parseARPEntry(columns)
+ if err != nil {
+ return []ARPEntry{}, fmt.Errorf("failed to parse ARP entry: %s", err)
+ }
+ entries = append(entries, entry)
+ } else {
+ return []ARPEntry{}, fmt.Errorf("%d columns were detected, but %d were expected", width, expectedDataWidth)
+ }
+
+ }
+
+ return entries, err
+}
+
+func parseARPEntry(columns []string) (ARPEntry, error) {
+ ip := net.ParseIP(columns[0])
+ mac := net.HardwareAddr(columns[3])
+
+ entry := ARPEntry{
+ IPAddr: ip,
+ HWAddr: mac,
+ Device: columns[5],
+ }
+
+ return entry, nil
+}
diff --git a/vendor/github.com/prometheus/procfs/buddyinfo.go b/vendor/github.com/prometheus/procfs/buddyinfo.go
index 63d4229a4..10bd067a0 100644
--- a/vendor/github.com/prometheus/procfs/buddyinfo.go
+++ b/vendor/github.com/prometheus/procfs/buddyinfo.go
@@ -31,7 +31,7 @@ type BuddyInfo struct {
Sizes []float64
}
-// NewBuddyInfo reads the buddyinfo statistics from the specified `proc` filesystem.
+// BuddyInfo reads the buddyinfo statistics from the specified `proc` filesystem.
func (fs FS) BuddyInfo() ([]BuddyInfo, error) {
file, err := os.Open(fs.proc.Path("buddyinfo"))
if err != nil {
diff --git a/vendor/github.com/prometheus/procfs/cpuinfo.go b/vendor/github.com/prometheus/procfs/cpuinfo.go
new file mode 100644
index 000000000..b9fb589aa
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/cpuinfo.go
@@ -0,0 +1,464 @@
+// Copyright 2019 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build linux
+
+package procfs
+
+import (
+ "bufio"
+ "bytes"
+ "errors"
+ "regexp"
+ "strconv"
+ "strings"
+
+ "github.com/prometheus/procfs/internal/util"
+)
+
+// CPUInfo contains general information about a system CPU found in /proc/cpuinfo
+type CPUInfo struct {
+ Processor uint
+ VendorID string
+ CPUFamily string
+ Model string
+ ModelName string
+ Stepping string
+ Microcode string
+ CPUMHz float64
+ CacheSize string
+ PhysicalID string
+ Siblings uint
+ CoreID string
+ CPUCores uint
+ APICID string
+ InitialAPICID string
+ FPU string
+ FPUException string
+ CPUIDLevel uint
+ WP string
+ Flags []string
+ Bugs []string
+ BogoMips float64
+ CLFlushSize uint
+ CacheAlignment uint
+ AddressSizes string
+ PowerManagement string
+}
+
+var (
+ cpuinfoClockRegexp = regexp.MustCompile(`([\d.]+)`)
+ cpuinfoS390XProcessorRegexp = regexp.MustCompile(`^processor\s+(\d+):.*`)
+)
+
+// CPUInfo returns information about current system CPUs.
+// See https://www.kernel.org/doc/Documentation/filesystems/proc.txt
+func (fs FS) CPUInfo() ([]CPUInfo, error) {
+ data, err := util.ReadFileNoStat(fs.proc.Path("cpuinfo"))
+ if err != nil {
+ return nil, err
+ }
+ return parseCPUInfo(data)
+}
+
+func parseCPUInfoX86(info []byte) ([]CPUInfo, error) {
+ scanner := bufio.NewScanner(bytes.NewReader(info))
+
+ // find the first "processor" line
+ firstLine := firstNonEmptyLine(scanner)
+ if !strings.HasPrefix(firstLine, "processor") || !strings.Contains(firstLine, ":") {
+ return nil, errors.New("invalid cpuinfo file: " + firstLine)
+ }
+ field := strings.SplitN(firstLine, ": ", 2)
+ v, err := strconv.ParseUint(field[1], 0, 32)
+ if err != nil {
+ return nil, err
+ }
+ firstcpu := CPUInfo{Processor: uint(v)}
+ cpuinfo := []CPUInfo{firstcpu}
+ i := 0
+
+ for scanner.Scan() {
+ line := scanner.Text()
+ if !strings.Contains(line, ":") {
+ continue
+ }
+ field := strings.SplitN(line, ": ", 2)
+ switch strings.TrimSpace(field[0]) {
+ case "processor":
+ cpuinfo = append(cpuinfo, CPUInfo{}) // start of the next processor
+ i++
+ v, err := strconv.ParseUint(field[1], 0, 32)
+ if err != nil {
+ return nil, err
+ }
+ cpuinfo[i].Processor = uint(v)
+ case "vendor", "vendor_id":
+ cpuinfo[i].VendorID = field[1]
+ case "cpu family":
+ cpuinfo[i].CPUFamily = field[1]
+ case "model":
+ cpuinfo[i].Model = field[1]
+ case "model name":
+ cpuinfo[i].ModelName = field[1]
+ case "stepping":
+ cpuinfo[i].Stepping = field[1]
+ case "microcode":
+ cpuinfo[i].Microcode = field[1]
+ case "cpu MHz":
+ v, err := strconv.ParseFloat(field[1], 64)
+ if err != nil {
+ return nil, err
+ }
+ cpuinfo[i].CPUMHz = v
+ case "cache size":
+ cpuinfo[i].CacheSize = field[1]
+ case "physical id":
+ cpuinfo[i].PhysicalID = field[1]
+ case "siblings":
+ v, err := strconv.ParseUint(field[1], 0, 32)
+ if err != nil {
+ return nil, err
+ }
+ cpuinfo[i].Siblings = uint(v)
+ case "core id":
+ cpuinfo[i].CoreID = field[1]
+ case "cpu cores":
+ v, err := strconv.ParseUint(field[1], 0, 32)
+ if err != nil {
+ return nil, err
+ }
+ cpuinfo[i].CPUCores = uint(v)
+ case "apicid":
+ cpuinfo[i].APICID = field[1]
+ case "initial apicid":
+ cpuinfo[i].InitialAPICID = field[1]
+ case "fpu":
+ cpuinfo[i].FPU = field[1]
+ case "fpu_exception":
+ cpuinfo[i].FPUException = field[1]
+ case "cpuid level":
+ v, err := strconv.ParseUint(field[1], 0, 32)
+ if err != nil {
+ return nil, err
+ }
+ cpuinfo[i].CPUIDLevel = uint(v)
+ case "wp":
+ cpuinfo[i].WP = field[1]
+ case "flags":
+ cpuinfo[i].Flags = strings.Fields(field[1])
+ case "bugs":
+ cpuinfo[i].Bugs = strings.Fields(field[1])
+ case "bogomips":
+ v, err := strconv.ParseFloat(field[1], 64)
+ if err != nil {
+ return nil, err
+ }
+ cpuinfo[i].BogoMips = v
+ case "clflush size":
+ v, err := strconv.ParseUint(field[1], 0, 32)
+ if err != nil {
+ return nil, err
+ }
+ cpuinfo[i].CLFlushSize = uint(v)
+ case "cache_alignment":
+ v, err := strconv.ParseUint(field[1], 0, 32)
+ if err != nil {
+ return nil, err
+ }
+ cpuinfo[i].CacheAlignment = uint(v)
+ case "address sizes":
+ cpuinfo[i].AddressSizes = field[1]
+ case "power management":
+ cpuinfo[i].PowerManagement = field[1]
+ }
+ }
+ return cpuinfo, nil
+}
+
+func parseCPUInfoARM(info []byte) ([]CPUInfo, error) {
+ scanner := bufio.NewScanner(bytes.NewReader(info))
+
+ firstLine := firstNonEmptyLine(scanner)
+ match, _ := regexp.MatchString("^[Pp]rocessor", firstLine)
+ if !match || !strings.Contains(firstLine, ":") {
+ return nil, errors.New("invalid cpuinfo file: " + firstLine)
+ }
+ field := strings.SplitN(firstLine, ": ", 2)
+ cpuinfo := []CPUInfo{}
+ featuresLine := ""
+ commonCPUInfo := CPUInfo{}
+ i := 0
+ if strings.TrimSpace(field[0]) == "Processor" {
+ commonCPUInfo = CPUInfo{ModelName: field[1]}
+ i = -1
+ } else {
+ v, err := strconv.ParseUint(field[1], 0, 32)
+ if err != nil {
+ return nil, err
+ }
+ firstcpu := CPUInfo{Processor: uint(v)}
+ cpuinfo = []CPUInfo{firstcpu}
+ }
+
+ for scanner.Scan() {
+ line := scanner.Text()
+ if !strings.Contains(line, ":") {
+ continue
+ }
+ field := strings.SplitN(line, ": ", 2)
+ switch strings.TrimSpace(field[0]) {
+ case "processor":
+ cpuinfo = append(cpuinfo, commonCPUInfo) // start of the next processor
+ i++
+ v, err := strconv.ParseUint(field[1], 0, 32)
+ if err != nil {
+ return nil, err
+ }
+ cpuinfo[i].Processor = uint(v)
+ case "BogoMIPS":
+ if i == -1 {
+ cpuinfo = append(cpuinfo, commonCPUInfo) // There is only one processor
+ i++
+ cpuinfo[i].Processor = 0
+ }
+ v, err := strconv.ParseFloat(field[1], 64)
+ if err != nil {
+ return nil, err
+ }
+ cpuinfo[i].BogoMips = v
+ case "Features":
+ featuresLine = line
+ case "model name":
+ cpuinfo[i].ModelName = field[1]
+ }
+ }
+ fields := strings.SplitN(featuresLine, ": ", 2)
+ for i := range cpuinfo {
+ cpuinfo[i].Flags = strings.Fields(fields[1])
+ }
+ return cpuinfo, nil
+
+}
+
+func parseCPUInfoS390X(info []byte) ([]CPUInfo, error) {
+ scanner := bufio.NewScanner(bytes.NewReader(info))
+
+ firstLine := firstNonEmptyLine(scanner)
+ if !strings.HasPrefix(firstLine, "vendor_id") || !strings.Contains(firstLine, ":") {
+ return nil, errors.New("invalid cpuinfo file: " + firstLine)
+ }
+ field := strings.SplitN(firstLine, ": ", 2)
+ cpuinfo := []CPUInfo{}
+ commonCPUInfo := CPUInfo{VendorID: field[1]}
+
+ for scanner.Scan() {
+ line := scanner.Text()
+ if !strings.Contains(line, ":") {
+ continue
+ }
+ field := strings.SplitN(line, ": ", 2)
+ switch strings.TrimSpace(field[0]) {
+ case "bogomips per cpu":
+ v, err := strconv.ParseFloat(field[1], 64)
+ if err != nil {
+ return nil, err
+ }
+ commonCPUInfo.BogoMips = v
+ case "features":
+ commonCPUInfo.Flags = strings.Fields(field[1])
+ }
+ if strings.HasPrefix(line, "processor") {
+ match := cpuinfoS390XProcessorRegexp.FindStringSubmatch(line)
+ if len(match) < 2 {
+ return nil, errors.New("Invalid line found in cpuinfo: " + line)
+ }
+ cpu := commonCPUInfo
+ v, err := strconv.ParseUint(match[1], 0, 32)
+ if err != nil {
+ return nil, err
+ }
+ cpu.Processor = uint(v)
+ cpuinfo = append(cpuinfo, cpu)
+ }
+ if strings.HasPrefix(line, "cpu number") {
+ break
+ }
+ }
+
+ i := 0
+ for scanner.Scan() {
+ line := scanner.Text()
+ if !strings.Contains(line, ":") {
+ continue
+ }
+ field := strings.SplitN(line, ": ", 2)
+ switch strings.TrimSpace(field[0]) {
+ case "cpu number":
+ i++
+ case "cpu MHz dynamic":
+ clock := cpuinfoClockRegexp.FindString(strings.TrimSpace(field[1]))
+ v, err := strconv.ParseFloat(clock, 64)
+ if err != nil {
+ return nil, err
+ }
+ cpuinfo[i].CPUMHz = v
+ }
+ }
+
+ return cpuinfo, nil
+}
+
+func parseCPUInfoMips(info []byte) ([]CPUInfo, error) {
+ scanner := bufio.NewScanner(bytes.NewReader(info))
+
+ // find the first "processor" line
+ firstLine := firstNonEmptyLine(scanner)
+ if !strings.HasPrefix(firstLine, "system type") || !strings.Contains(firstLine, ":") {
+ return nil, errors.New("invalid cpuinfo file: " + firstLine)
+ }
+ field := strings.SplitN(firstLine, ": ", 2)
+ cpuinfo := []CPUInfo{}
+ systemType := field[1]
+
+ i := 0
+
+ for scanner.Scan() {
+ line := scanner.Text()
+ if !strings.Contains(line, ":") {
+ continue
+ }
+ field := strings.SplitN(line, ": ", 2)
+ switch strings.TrimSpace(field[0]) {
+ case "processor":
+ v, err := strconv.ParseUint(field[1], 0, 32)
+ if err != nil {
+ return nil, err
+ }
+ i = int(v)
+ cpuinfo = append(cpuinfo, CPUInfo{}) // start of the next processor
+ cpuinfo[i].Processor = uint(v)
+ cpuinfo[i].VendorID = systemType
+ case "cpu model":
+ cpuinfo[i].ModelName = field[1]
+ case "BogoMIPS":
+ v, err := strconv.ParseFloat(field[1], 64)
+ if err != nil {
+ return nil, err
+ }
+ cpuinfo[i].BogoMips = v
+ }
+ }
+ return cpuinfo, nil
+}
+
+func parseCPUInfoPPC(info []byte) ([]CPUInfo, error) {
+ scanner := bufio.NewScanner(bytes.NewReader(info))
+
+ firstLine := firstNonEmptyLine(scanner)
+ if !strings.HasPrefix(firstLine, "processor") || !strings.Contains(firstLine, ":") {
+ return nil, errors.New("invalid cpuinfo file: " + firstLine)
+ }
+ field := strings.SplitN(firstLine, ": ", 2)
+ v, err := strconv.ParseUint(field[1], 0, 32)
+ if err != nil {
+ return nil, err
+ }
+ firstcpu := CPUInfo{Processor: uint(v)}
+ cpuinfo := []CPUInfo{firstcpu}
+ i := 0
+
+ for scanner.Scan() {
+ line := scanner.Text()
+ if !strings.Contains(line, ":") {
+ continue
+ }
+ field := strings.SplitN(line, ": ", 2)
+ switch strings.TrimSpace(field[0]) {
+ case "processor":
+ cpuinfo = append(cpuinfo, CPUInfo{}) // start of the next processor
+ i++
+ v, err := strconv.ParseUint(field[1], 0, 32)
+ if err != nil {
+ return nil, err
+ }
+ cpuinfo[i].Processor = uint(v)
+ case "cpu":
+ cpuinfo[i].VendorID = field[1]
+ case "clock":
+ clock := cpuinfoClockRegexp.FindString(strings.TrimSpace(field[1]))
+ v, err := strconv.ParseFloat(clock, 64)
+ if err != nil {
+ return nil, err
+ }
+ cpuinfo[i].CPUMHz = v
+ }
+ }
+ return cpuinfo, nil
+}
+
+func parseCPUInfoRISCV(info []byte) ([]CPUInfo, error) {
+ scanner := bufio.NewScanner(bytes.NewReader(info))
+
+ firstLine := firstNonEmptyLine(scanner)
+ if !strings.HasPrefix(firstLine, "processor") || !strings.Contains(firstLine, ":") {
+ return nil, errors.New("invalid cpuinfo file: " + firstLine)
+ }
+ field := strings.SplitN(firstLine, ": ", 2)
+ v, err := strconv.ParseUint(field[1], 0, 32)
+ if err != nil {
+ return nil, err
+ }
+ firstcpu := CPUInfo{Processor: uint(v)}
+ cpuinfo := []CPUInfo{firstcpu}
+ i := 0
+
+ for scanner.Scan() {
+ line := scanner.Text()
+ if !strings.Contains(line, ":") {
+ continue
+ }
+ field := strings.SplitN(line, ": ", 2)
+ switch strings.TrimSpace(field[0]) {
+ case "processor":
+ v, err := strconv.ParseUint(field[1], 0, 32)
+ if err != nil {
+ return nil, err
+ }
+ i = int(v)
+ cpuinfo = append(cpuinfo, CPUInfo{}) // start of the next processor
+ cpuinfo[i].Processor = uint(v)
+ case "hart":
+ cpuinfo[i].CoreID = field[1]
+ case "isa":
+ cpuinfo[i].ModelName = field[1]
+ }
+ }
+ return cpuinfo, nil
+}
+
+func parseCPUInfoDummy(_ []byte) ([]CPUInfo, error) { // nolint:unused,deadcode
+ return nil, errors.New("not implemented")
+}
+
+// firstNonEmptyLine advances the scanner to the first non-empty line
+// and returns the contents of that line
+func firstNonEmptyLine(scanner *bufio.Scanner) string {
+ for scanner.Scan() {
+ line := scanner.Text()
+ if strings.TrimSpace(line) != "" {
+ return line
+ }
+ }
+ return ""
+}
diff --git a/vendor/github.com/prometheus/procfs/cpuinfo_armx.go b/vendor/github.com/prometheus/procfs/cpuinfo_armx.go
new file mode 100644
index 000000000..44b590ed3
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/cpuinfo_armx.go
@@ -0,0 +1,19 @@
+// Copyright 2020 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build linux
+// +build arm arm64
+
+package procfs
+
+var parseCPUInfo = parseCPUInfoARM
diff --git a/vendor/github.com/prometheus/procfs/cpuinfo_mipsx.go b/vendor/github.com/prometheus/procfs/cpuinfo_mipsx.go
new file mode 100644
index 000000000..91e272573
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/cpuinfo_mipsx.go
@@ -0,0 +1,19 @@
+// Copyright 2020 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build linux
+// +build mips mipsle mips64 mips64le
+
+package procfs
+
+var parseCPUInfo = parseCPUInfoMips
diff --git a/vendor/github.com/prometheus/procfs/cpuinfo_others.go b/vendor/github.com/prometheus/procfs/cpuinfo_others.go
new file mode 100644
index 000000000..95b5b4ec4
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/cpuinfo_others.go
@@ -0,0 +1,19 @@
+// Copyright 2020 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build linux
+// +build !386,!amd64,!arm,!arm64,!mips,!mips64,!mips64le,!mipsle,!ppc64,!ppc64le,!riscv64,!s390x
+
+package procfs
+
+var parseCPUInfo = parseCPUInfoDummy
diff --git a/vendor/github.com/prometheus/procfs/cpuinfo_ppcx.go b/vendor/github.com/prometheus/procfs/cpuinfo_ppcx.go
new file mode 100644
index 000000000..6068bd571
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/cpuinfo_ppcx.go
@@ -0,0 +1,19 @@
+// Copyright 2020 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build linux
+// +build ppc64 ppc64le
+
+package procfs
+
+var parseCPUInfo = parseCPUInfoPPC
diff --git a/vendor/github.com/prometheus/procfs/cpuinfo_s390x.go b/vendor/github.com/prometheus/procfs/cpuinfo_s390x.go
new file mode 100644
index 000000000..26814eeba
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/cpuinfo_s390x.go
@@ -0,0 +1,18 @@
+// Copyright 2020 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build linux
+
+package procfs
+
+var parseCPUInfo = parseCPUInfoS390X
diff --git a/vendor/github.com/prometheus/procfs/cpuinfo_x86.go b/vendor/github.com/prometheus/procfs/cpuinfo_x86.go
new file mode 100644
index 000000000..d5bedf97f
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/cpuinfo_x86.go
@@ -0,0 +1,19 @@
+// Copyright 2020 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build linux
+// +build 386 amd64
+
+package procfs
+
+var parseCPUInfo = parseCPUInfoX86
diff --git a/vendor/github.com/prometheus/procfs/crypto.go b/vendor/github.com/prometheus/procfs/crypto.go
new file mode 100644
index 000000000..a95893375
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/crypto.go
@@ -0,0 +1,153 @@
+// Copyright 2019 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package procfs
+
+import (
+ "bufio"
+ "bytes"
+ "fmt"
+ "io"
+ "strings"
+
+ "github.com/prometheus/procfs/internal/util"
+)
+
+// Crypto holds info parsed from /proc/crypto.
+type Crypto struct {
+ Alignmask *uint64
+ Async bool
+ Blocksize *uint64
+ Chunksize *uint64
+ Ctxsize *uint64
+ Digestsize *uint64
+ Driver string
+ Geniv string
+ Internal string
+ Ivsize *uint64
+ Maxauthsize *uint64
+ MaxKeysize *uint64
+ MinKeysize *uint64
+ Module string
+ Name string
+ Priority *int64
+ Refcnt *int64
+ Seedsize *uint64
+ Selftest string
+ Type string
+ Walksize *uint64
+}
+
+// Crypto parses an crypto-file (/proc/crypto) and returns a slice of
+// structs containing the relevant info. More information available here:
+// https://kernel.readthedocs.io/en/sphinx-samples/crypto-API.html
+func (fs FS) Crypto() ([]Crypto, error) {
+ path := fs.proc.Path("crypto")
+ b, err := util.ReadFileNoStat(path)
+ if err != nil {
+ return nil, fmt.Errorf("error reading crypto %s: %s", path, err)
+ }
+
+ crypto, err := parseCrypto(bytes.NewReader(b))
+ if err != nil {
+ return nil, fmt.Errorf("error parsing crypto %s: %s", path, err)
+ }
+
+ return crypto, nil
+}
+
+// parseCrypto parses a /proc/crypto stream into Crypto elements.
+func parseCrypto(r io.Reader) ([]Crypto, error) {
+ var out []Crypto
+
+ s := bufio.NewScanner(r)
+ for s.Scan() {
+ text := s.Text()
+ switch {
+ case strings.HasPrefix(text, "name"):
+ // Each crypto element begins with its name.
+ out = append(out, Crypto{})
+ case text == "":
+ continue
+ }
+
+ kv := strings.Split(text, ":")
+ if len(kv) != 2 {
+ return nil, fmt.Errorf("malformed crypto line: %q", text)
+ }
+
+ k := strings.TrimSpace(kv[0])
+ v := strings.TrimSpace(kv[1])
+
+ // Parse the key/value pair into the currently focused element.
+ c := &out[len(out)-1]
+ if err := c.parseKV(k, v); err != nil {
+ return nil, err
+ }
+ }
+
+ if err := s.Err(); err != nil {
+ return nil, err
+ }
+
+ return out, nil
+}
+
+// parseKV parses a key/value pair into the appropriate field of c.
+func (c *Crypto) parseKV(k, v string) error {
+ vp := util.NewValueParser(v)
+
+ switch k {
+ case "async":
+ // Interpret literal yes as true.
+ c.Async = v == "yes"
+ case "blocksize":
+ c.Blocksize = vp.PUInt64()
+ case "chunksize":
+ c.Chunksize = vp.PUInt64()
+ case "digestsize":
+ c.Digestsize = vp.PUInt64()
+ case "driver":
+ c.Driver = v
+ case "geniv":
+ c.Geniv = v
+ case "internal":
+ c.Internal = v
+ case "ivsize":
+ c.Ivsize = vp.PUInt64()
+ case "maxauthsize":
+ c.Maxauthsize = vp.PUInt64()
+ case "max keysize":
+ c.MaxKeysize = vp.PUInt64()
+ case "min keysize":
+ c.MinKeysize = vp.PUInt64()
+ case "module":
+ c.Module = v
+ case "name":
+ c.Name = v
+ case "priority":
+ c.Priority = vp.PInt64()
+ case "refcnt":
+ c.Refcnt = vp.PInt64()
+ case "seedsize":
+ c.Seedsize = vp.PUInt64()
+ case "selftest":
+ c.Selftest = v
+ case "type":
+ c.Type = v
+ case "walksize":
+ c.Walksize = vp.PUInt64()
+ }
+
+ return vp.Err()
+}
diff --git a/vendor/github.com/prometheus/procfs/fixtures.ttar b/vendor/github.com/prometheus/procfs/fixtures.ttar
index 6b42e7ba1..12494d742 100644
--- a/vendor/github.com/prometheus/procfs/fixtures.ttar
+++ b/vendor/github.com/prometheus/procfs/fixtures.ttar
@@ -47,6 +47,48 @@ SymlinkTo: ../../symlinktargets/ghi
Path: fixtures/proc/26231/fd/3
SymlinkTo: ../../symlinktargets/uvw
# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+Directory: fixtures/proc/26231/fdinfo
+Mode: 755
+# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+Path: fixtures/proc/26231/fdinfo/0
+Lines: 6
+pos: 0
+flags: 02004000
+mnt_id: 13
+inotify wd:3 ino:1 sdev:34 mask:fce ignored_mask:0 fhandle-bytes:c fhandle-type:81 f_handle:000000000100000000000000
+inotify wd:2 ino:1300016 sdev:fd00002 mask:fce ignored_mask:0 fhandle-bytes:8 fhandle-type:1 f_handle:16003001ed3f022a
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+Path: fixtures/proc/crypto
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+Path: fixtures/sys/fs/btrfs/7f07c59f-6136-449c-ab87-e1cf2328731b/allocation/system/disk_used
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+Path: fixtures/sys/fs/btrfs/7f07c59f-6136-449c-ab87-e1cf2328731b/allocation/system/raid6/used_bytes
+Lines: 1
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+Path: fixtures/sys/fs/btrfs/7f07c59f-6136-449c-ab87-e1cf2328731b/clone_alignment
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+Directory: fixtures/sys/fs/btrfs/7f07c59f-6136-449c-ab87-e1cf2328731b/devices
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+Path: fixtures/sys/fs/btrfs/7f07c59f-6136-449c-ab87-e1cf2328731b/devices/loop22
+SymlinkTo: ../../../../devices/virtual/block/loop22
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+Path: fixtures/sys/fs/btrfs/7f07c59f-6136-449c-ab87-e1cf2328731b/devices/loop23
+SymlinkTo: ../../../../devices/virtual/block/loop23
+# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+Path: fixtures/sys/fs/btrfs/7f07c59f-6136-449c-ab87-e1cf2328731b/devices/loop24
+SymlinkTo: ../../../../devices/virtual/block/loop24
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+Path: fixtures/sys/fs/btrfs/7f07c59f-6136-449c-ab87-e1cf2328731b/devices/loop25
+SymlinkTo: ../../../../devices/virtual/block/loop25
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+Mode: 644
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+Path: fixtures/sys/fs/btrfs/7f07c59f-6136-449c-ab87-e1cf2328731b/quota_override
+Lines: 1
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+Mode: 644
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+Path: fixtures/sys/fs/btrfs/7f07c59f-6136-449c-ab87-e1cf2328731b/sectorsize
+Lines: 1
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+Mode: 444
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diff --git a/vendor/github.com/prometheus/procfs/fscache.go b/vendor/github.com/prometheus/procfs/fscache.go
new file mode 100644
index 000000000..8783cf3cc
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/fscache.go
@@ -0,0 +1,422 @@
+// Copyright 2019 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package procfs
+
+import (
+ "bufio"
+ "bytes"
+ "fmt"
+ "io"
+ "strconv"
+ "strings"
+
+ "github.com/prometheus/procfs/internal/util"
+)
+
+// Fscacheinfo represents fscache statistics.
+type Fscacheinfo struct {
+ // Number of index cookies allocated
+ IndexCookiesAllocated uint64
+ // data storage cookies allocated
+ DataStorageCookiesAllocated uint64
+ // Number of special cookies allocated
+ SpecialCookiesAllocated uint64
+ // Number of objects allocated
+ ObjectsAllocated uint64
+ // Number of object allocation failures
+ ObjectAllocationsFailure uint64
+ // Number of objects that reached the available state
+ ObjectsAvailable uint64
+ // Number of objects that reached the dead state
+ ObjectsDead uint64
+ // Number of objects that didn't have a coherency check
+ ObjectsWithoutCoherencyCheck uint64
+ // Number of objects that passed a coherency check
+ ObjectsWithCoherencyCheck uint64
+ // Number of objects that needed a coherency data update
+ ObjectsNeedCoherencyCheckUpdate uint64
+ // Number of objects that were declared obsolete
+ ObjectsDeclaredObsolete uint64
+ // Number of pages marked as being cached
+ PagesMarkedAsBeingCached uint64
+ // Number of uncache page requests seen
+ UncachePagesRequestSeen uint64
+ // Number of acquire cookie requests seen
+ AcquireCookiesRequestSeen uint64
+ // Number of acq reqs given a NULL parent
+ AcquireRequestsWithNullParent uint64
+ // Number of acq reqs rejected due to no cache available
+ AcquireRequestsRejectedNoCacheAvailable uint64
+ // Number of acq reqs succeeded
+ AcquireRequestsSucceeded uint64
+ // Number of acq reqs rejected due to error
+ AcquireRequestsRejectedDueToError uint64
+ // Number of acq reqs failed on ENOMEM
+ AcquireRequestsFailedDueToEnomem uint64
+ // Number of lookup calls made on cache backends
+ LookupsNumber uint64
+ // Number of negative lookups made
+ LookupsNegative uint64
+ // Number of positive lookups made
+ LookupsPositive uint64
+ // Number of objects created by lookup
+ ObjectsCreatedByLookup uint64
+ // Number of lookups timed out and requeued
+ LookupsTimedOutAndRequed uint64
+ InvalidationsNumber uint64
+ InvalidationsRunning uint64
+ // Number of update cookie requests seen
+ UpdateCookieRequestSeen uint64
+ // Number of upd reqs given a NULL parent
+ UpdateRequestsWithNullParent uint64
+ // Number of upd reqs granted CPU time
+ UpdateRequestsRunning uint64
+ // Number of relinquish cookie requests seen
+ RelinquishCookiesRequestSeen uint64
+ // Number of rlq reqs given a NULL parent
+ RelinquishCookiesWithNullParent uint64
+ // Number of rlq reqs waited on completion of creation
+ RelinquishRequestsWaitingCompleteCreation uint64
+ // Relinqs rtr
+ RelinquishRetries uint64
+ // Number of attribute changed requests seen
+ AttributeChangedRequestsSeen uint64
+ // Number of attr changed requests queued
+ AttributeChangedRequestsQueued uint64
+ // Number of attr changed rejected -ENOBUFS
+ AttributeChangedRejectDueToEnobufs uint64
+ // Number of attr changed failed -ENOMEM
+ AttributeChangedFailedDueToEnomem uint64
+ // Number of attr changed ops given CPU time
+ AttributeChangedOps uint64
+ // Number of allocation requests seen
+ AllocationRequestsSeen uint64
+ // Number of successful alloc reqs
+ AllocationOkRequests uint64
+ // Number of alloc reqs that waited on lookup completion
+ AllocationWaitingOnLookup uint64
+ // Number of alloc reqs rejected -ENOBUFS
+ AllocationsRejectedDueToEnobufs uint64
+ // Number of alloc reqs aborted -ERESTARTSYS
+ AllocationsAbortedDueToErestartsys uint64
+ // Number of alloc reqs submitted
+ AllocationOperationsSubmitted uint64
+ // Number of alloc reqs waited for CPU time
+ AllocationsWaitedForCPU uint64
+ // Number of alloc reqs aborted due to object death
+ AllocationsAbortedDueToObjectDeath uint64
+ // Number of retrieval (read) requests seen
+ RetrievalsReadRequests uint64
+ // Number of successful retr reqs
+ RetrievalsOk uint64
+ // Number of retr reqs that waited on lookup completion
+ RetrievalsWaitingLookupCompletion uint64
+ // Number of retr reqs returned -ENODATA
+ RetrievalsReturnedEnodata uint64
+ // Number of retr reqs rejected -ENOBUFS
+ RetrievalsRejectedDueToEnobufs uint64
+ // Number of retr reqs aborted -ERESTARTSYS
+ RetrievalsAbortedDueToErestartsys uint64
+ // Number of retr reqs failed -ENOMEM
+ RetrievalsFailedDueToEnomem uint64
+ // Number of retr reqs submitted
+ RetrievalsRequests uint64
+ // Number of retr reqs waited for CPU time
+ RetrievalsWaitingCPU uint64
+ // Number of retr reqs aborted due to object death
+ RetrievalsAbortedDueToObjectDeath uint64
+ // Number of storage (write) requests seen
+ StoreWriteRequests uint64
+ // Number of successful store reqs
+ StoreSuccessfulRequests uint64
+ // Number of store reqs on a page already pending storage
+ StoreRequestsOnPendingStorage uint64
+ // Number of store reqs rejected -ENOBUFS
+ StoreRequestsRejectedDueToEnobufs uint64
+ // Number of store reqs failed -ENOMEM
+ StoreRequestsFailedDueToEnomem uint64
+ // Number of store reqs submitted
+ StoreRequestsSubmitted uint64
+ // Number of store reqs granted CPU time
+ StoreRequestsRunning uint64
+ // Number of pages given store req processing time
+ StorePagesWithRequestsProcessing uint64
+ // Number of store reqs deleted from tracking tree
+ StoreRequestsDeleted uint64
+ // Number of store reqs over store limit
+ StoreRequestsOverStoreLimit uint64
+ // Number of release reqs against pages with no pending store
+ ReleaseRequestsAgainstPagesWithNoPendingStorage uint64
+ // Number of release reqs against pages stored by time lock granted
+ ReleaseRequestsAgainstPagesStoredByTimeLockGranted uint64
+ // Number of release reqs ignored due to in-progress store
+ ReleaseRequestsIgnoredDueToInProgressStore uint64
+ // Number of page stores cancelled due to release req
+ PageStoresCancelledByReleaseRequests uint64
+ VmscanWaiting uint64
+ // Number of times async ops added to pending queues
+ OpsPending uint64
+ // Number of times async ops given CPU time
+ OpsRunning uint64
+ // Number of times async ops queued for processing
+ OpsEnqueued uint64
+ // Number of async ops cancelled
+ OpsCancelled uint64
+ // Number of async ops rejected due to object lookup/create failure
+ OpsRejected uint64
+ // Number of async ops initialised
+ OpsInitialised uint64
+ // Number of async ops queued for deferred release
+ OpsDeferred uint64
+ // Number of async ops released (should equal ini=N when idle)
+ OpsReleased uint64
+ // Number of deferred-release async ops garbage collected
+ OpsGarbageCollected uint64
+ // Number of in-progress alloc_object() cache ops
+ CacheopAllocationsinProgress uint64
+ // Number of in-progress lookup_object() cache ops
+ CacheopLookupObjectInProgress uint64
+ // Number of in-progress lookup_complete() cache ops
+ CacheopLookupCompleteInPorgress uint64
+ // Number of in-progress grab_object() cache ops
+ CacheopGrabObjectInProgress uint64
+ CacheopInvalidations uint64
+ // Number of in-progress update_object() cache ops
+ CacheopUpdateObjectInProgress uint64
+ // Number of in-progress drop_object() cache ops
+ CacheopDropObjectInProgress uint64
+ // Number of in-progress put_object() cache ops
+ CacheopPutObjectInProgress uint64
+ // Number of in-progress attr_changed() cache ops
+ CacheopAttributeChangeInProgress uint64
+ // Number of in-progress sync_cache() cache ops
+ CacheopSyncCacheInProgress uint64
+ // Number of in-progress read_or_alloc_page() cache ops
+ CacheopReadOrAllocPageInProgress uint64
+ // Number of in-progress read_or_alloc_pages() cache ops
+ CacheopReadOrAllocPagesInProgress uint64
+ // Number of in-progress allocate_page() cache ops
+ CacheopAllocatePageInProgress uint64
+ // Number of in-progress allocate_pages() cache ops
+ CacheopAllocatePagesInProgress uint64
+ // Number of in-progress write_page() cache ops
+ CacheopWritePagesInProgress uint64
+ // Number of in-progress uncache_page() cache ops
+ CacheopUncachePagesInProgress uint64
+ // Number of in-progress dissociate_pages() cache ops
+ CacheopDissociatePagesInProgress uint64
+ // Number of object lookups/creations rejected due to lack of space
+ CacheevLookupsAndCreationsRejectedLackSpace uint64
+ // Number of stale objects deleted
+ CacheevStaleObjectsDeleted uint64
+ // Number of objects retired when relinquished
+ CacheevRetiredWhenReliquished uint64
+ // Number of objects culled
+ CacheevObjectsCulled uint64
+}
+
+// Fscacheinfo returns information about current fscache statistics.
+// See https://www.kernel.org/doc/Documentation/filesystems/caching/fscache.txt
+func (fs FS) Fscacheinfo() (Fscacheinfo, error) {
+ b, err := util.ReadFileNoStat(fs.proc.Path("fs/fscache/stats"))
+ if err != nil {
+ return Fscacheinfo{}, err
+ }
+
+ m, err := parseFscacheinfo(bytes.NewReader(b))
+ if err != nil {
+ return Fscacheinfo{}, fmt.Errorf("failed to parse Fscacheinfo: %v", err)
+ }
+
+ return *m, nil
+}
+
+func setFSCacheFields(fields []string, setFields ...*uint64) error {
+ var err error
+ if len(fields) < len(setFields) {
+ return fmt.Errorf("Insufficient number of fields, expected %v, got %v", len(setFields), len(fields))
+ }
+
+ for i := range setFields {
+ *setFields[i], err = strconv.ParseUint(strings.Split(fields[i], "=")[1], 0, 64)
+ if err != nil {
+ return err
+ }
+ }
+ return nil
+}
+
+func parseFscacheinfo(r io.Reader) (*Fscacheinfo, error) {
+ var m Fscacheinfo
+ s := bufio.NewScanner(r)
+ for s.Scan() {
+ fields := strings.Fields(s.Text())
+ if len(fields) < 2 {
+ return nil, fmt.Errorf("malformed Fscacheinfo line: %q", s.Text())
+ }
+
+ switch fields[0] {
+ case "Cookies:":
+ err := setFSCacheFields(fields[1:], &m.IndexCookiesAllocated, &m.DataStorageCookiesAllocated,
+ &m.SpecialCookiesAllocated)
+ if err != nil {
+ return &m, err
+ }
+ case "Objects:":
+ err := setFSCacheFields(fields[1:], &m.ObjectsAllocated, &m.ObjectAllocationsFailure,
+ &m.ObjectsAvailable, &m.ObjectsDead)
+ if err != nil {
+ return &m, err
+ }
+ case "ChkAux":
+ err := setFSCacheFields(fields[2:], &m.ObjectsWithoutCoherencyCheck, &m.ObjectsWithCoherencyCheck,
+ &m.ObjectsNeedCoherencyCheckUpdate, &m.ObjectsDeclaredObsolete)
+ if err != nil {
+ return &m, err
+ }
+ case "Pages":
+ err := setFSCacheFields(fields[2:], &m.PagesMarkedAsBeingCached, &m.UncachePagesRequestSeen)
+ if err != nil {
+ return &m, err
+ }
+ case "Acquire:":
+ err := setFSCacheFields(fields[1:], &m.AcquireCookiesRequestSeen, &m.AcquireRequestsWithNullParent,
+ &m.AcquireRequestsRejectedNoCacheAvailable, &m.AcquireRequestsSucceeded, &m.AcquireRequestsRejectedDueToError,
+ &m.AcquireRequestsFailedDueToEnomem)
+ if err != nil {
+ return &m, err
+ }
+ case "Lookups:":
+ err := setFSCacheFields(fields[1:], &m.LookupsNumber, &m.LookupsNegative, &m.LookupsPositive,
+ &m.ObjectsCreatedByLookup, &m.LookupsTimedOutAndRequed)
+ if err != nil {
+ return &m, err
+ }
+ case "Invals":
+ err := setFSCacheFields(fields[2:], &m.InvalidationsNumber, &m.InvalidationsRunning)
+ if err != nil {
+ return &m, err
+ }
+ case "Updates:":
+ err := setFSCacheFields(fields[1:], &m.UpdateCookieRequestSeen, &m.UpdateRequestsWithNullParent,
+ &m.UpdateRequestsRunning)
+ if err != nil {
+ return &m, err
+ }
+ case "Relinqs:":
+ err := setFSCacheFields(fields[1:], &m.RelinquishCookiesRequestSeen, &m.RelinquishCookiesWithNullParent,
+ &m.RelinquishRequestsWaitingCompleteCreation, &m.RelinquishRetries)
+ if err != nil {
+ return &m, err
+ }
+ case "AttrChg:":
+ err := setFSCacheFields(fields[1:], &m.AttributeChangedRequestsSeen, &m.AttributeChangedRequestsQueued,
+ &m.AttributeChangedRejectDueToEnobufs, &m.AttributeChangedFailedDueToEnomem, &m.AttributeChangedOps)
+ if err != nil {
+ return &m, err
+ }
+ case "Allocs":
+ if strings.Split(fields[2], "=")[0] == "n" {
+ err := setFSCacheFields(fields[2:], &m.AllocationRequestsSeen, &m.AllocationOkRequests,
+ &m.AllocationWaitingOnLookup, &m.AllocationsRejectedDueToEnobufs, &m.AllocationsAbortedDueToErestartsys)
+ if err != nil {
+ return &m, err
+ }
+ } else {
+ err := setFSCacheFields(fields[2:], &m.AllocationOperationsSubmitted, &m.AllocationsWaitedForCPU,
+ &m.AllocationsAbortedDueToObjectDeath)
+ if err != nil {
+ return &m, err
+ }
+ }
+ case "Retrvls:":
+ if strings.Split(fields[1], "=")[0] == "n" {
+ err := setFSCacheFields(fields[1:], &m.RetrievalsReadRequests, &m.RetrievalsOk, &m.RetrievalsWaitingLookupCompletion,
+ &m.RetrievalsReturnedEnodata, &m.RetrievalsRejectedDueToEnobufs, &m.RetrievalsAbortedDueToErestartsys,
+ &m.RetrievalsFailedDueToEnomem)
+ if err != nil {
+ return &m, err
+ }
+ } else {
+ err := setFSCacheFields(fields[1:], &m.RetrievalsRequests, &m.RetrievalsWaitingCPU, &m.RetrievalsAbortedDueToObjectDeath)
+ if err != nil {
+ return &m, err
+ }
+ }
+ case "Stores":
+ if strings.Split(fields[2], "=")[0] == "n" {
+ err := setFSCacheFields(fields[2:], &m.StoreWriteRequests, &m.StoreSuccessfulRequests,
+ &m.StoreRequestsOnPendingStorage, &m.StoreRequestsRejectedDueToEnobufs, &m.StoreRequestsFailedDueToEnomem)
+ if err != nil {
+ return &m, err
+ }
+ } else {
+ err := setFSCacheFields(fields[2:], &m.StoreRequestsSubmitted, &m.StoreRequestsRunning,
+ &m.StorePagesWithRequestsProcessing, &m.StoreRequestsDeleted, &m.StoreRequestsOverStoreLimit)
+ if err != nil {
+ return &m, err
+ }
+ }
+ case "VmScan":
+ err := setFSCacheFields(fields[2:], &m.ReleaseRequestsAgainstPagesWithNoPendingStorage,
+ &m.ReleaseRequestsAgainstPagesStoredByTimeLockGranted, &m.ReleaseRequestsIgnoredDueToInProgressStore,
+ &m.PageStoresCancelledByReleaseRequests, &m.VmscanWaiting)
+ if err != nil {
+ return &m, err
+ }
+ case "Ops":
+ if strings.Split(fields[2], "=")[0] == "pend" {
+ err := setFSCacheFields(fields[2:], &m.OpsPending, &m.OpsRunning, &m.OpsEnqueued, &m.OpsCancelled, &m.OpsRejected)
+ if err != nil {
+ return &m, err
+ }
+ } else {
+ err := setFSCacheFields(fields[2:], &m.OpsInitialised, &m.OpsDeferred, &m.OpsReleased, &m.OpsGarbageCollected)
+ if err != nil {
+ return &m, err
+ }
+ }
+ case "CacheOp:":
+ if strings.Split(fields[1], "=")[0] == "alo" {
+ err := setFSCacheFields(fields[1:], &m.CacheopAllocationsinProgress, &m.CacheopLookupObjectInProgress,
+ &m.CacheopLookupCompleteInPorgress, &m.CacheopGrabObjectInProgress)
+ if err != nil {
+ return &m, err
+ }
+ } else if strings.Split(fields[1], "=")[0] == "inv" {
+ err := setFSCacheFields(fields[1:], &m.CacheopInvalidations, &m.CacheopUpdateObjectInProgress,
+ &m.CacheopDropObjectInProgress, &m.CacheopPutObjectInProgress, &m.CacheopAttributeChangeInProgress,
+ &m.CacheopSyncCacheInProgress)
+ if err != nil {
+ return &m, err
+ }
+ } else {
+ err := setFSCacheFields(fields[1:], &m.CacheopReadOrAllocPageInProgress, &m.CacheopReadOrAllocPagesInProgress,
+ &m.CacheopAllocatePageInProgress, &m.CacheopAllocatePagesInProgress, &m.CacheopWritePagesInProgress,
+ &m.CacheopUncachePagesInProgress, &m.CacheopDissociatePagesInProgress)
+ if err != nil {
+ return &m, err
+ }
+ }
+ case "CacheEv:":
+ err := setFSCacheFields(fields[1:], &m.CacheevLookupsAndCreationsRejectedLackSpace, &m.CacheevStaleObjectsDeleted,
+ &m.CacheevRetiredWhenReliquished, &m.CacheevObjectsCulled)
+ if err != nil {
+ return &m, err
+ }
+ }
+ }
+
+ return &m, nil
+}
diff --git a/vendor/github.com/prometheus/procfs/go.mod b/vendor/github.com/prometheus/procfs/go.mod
index b2f8cca93..ded48253c 100644
--- a/vendor/github.com/prometheus/procfs/go.mod
+++ b/vendor/github.com/prometheus/procfs/go.mod
@@ -1,6 +1,9 @@
module github.com/prometheus/procfs
+go 1.12
+
require (
- github.com/google/go-cmp v0.3.0
- golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4
+ github.com/google/go-cmp v0.3.1
+ golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e
+ golang.org/x/sys v0.0.0-20200106162015-b016eb3dc98e
)
diff --git a/vendor/github.com/prometheus/procfs/go.sum b/vendor/github.com/prometheus/procfs/go.sum
index db54133d7..54b5f3303 100644
--- a/vendor/github.com/prometheus/procfs/go.sum
+++ b/vendor/github.com/prometheus/procfs/go.sum
@@ -1,4 +1,6 @@
-github.com/google/go-cmp v0.3.0 h1:crn/baboCvb5fXaQ0IJ1SGTsTVrWpDsCWC8EGETZijY=
-github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
-golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4 h1:YUO/7uOKsKeq9UokNS62b8FYywz3ker1l1vDZRCRefw=
-golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+github.com/google/go-cmp v0.3.1 h1:Xye71clBPdm5HgqGwUkwhbynsUJZhDbS20FvLhQ2izg=
+github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
+golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e h1:vcxGaoTs7kV8m5Np9uUNQin4BrLOthgV7252N8V+FwY=
+golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sys v0.0.0-20200106162015-b016eb3dc98e h1:LwyF2AFISC9nVbS6MgzsaQNSUsRXI49GS+YQ5KX/QH0=
+golang.org/x/sys v0.0.0-20200106162015-b016eb3dc98e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
diff --git a/vendor/github.com/prometheus/procfs/internal/fs/fs.go b/vendor/github.com/prometheus/procfs/internal/fs/fs.go
index 7ddfd6b6e..565e89e42 100644
--- a/vendor/github.com/prometheus/procfs/internal/fs/fs.go
+++ b/vendor/github.com/prometheus/procfs/internal/fs/fs.go
@@ -26,7 +26,7 @@ const (
// DefaultSysMountPoint is the common mount point of the sys filesystem.
DefaultSysMountPoint = "/sys"
- // DefaultConfigfsMountPoint is the commont mount point of the configfs
+ // DefaultConfigfsMountPoint is the common mount point of the configfs
DefaultConfigfsMountPoint = "/sys/kernel/config"
)
diff --git a/vendor/github.com/prometheus/procfs/internal/util/parse.go b/vendor/github.com/prometheus/procfs/internal/util/parse.go
new file mode 100644
index 000000000..22cb07a6b
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/internal/util/parse.go
@@ -0,0 +1,97 @@
+// Copyright 2018 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package util
+
+import (
+ "io/ioutil"
+ "strconv"
+ "strings"
+)
+
+// ParseUint32s parses a slice of strings into a slice of uint32s.
+func ParseUint32s(ss []string) ([]uint32, error) {
+ us := make([]uint32, 0, len(ss))
+ for _, s := range ss {
+ u, err := strconv.ParseUint(s, 10, 32)
+ if err != nil {
+ return nil, err
+ }
+
+ us = append(us, uint32(u))
+ }
+
+ return us, nil
+}
+
+// ParseUint64s parses a slice of strings into a slice of uint64s.
+func ParseUint64s(ss []string) ([]uint64, error) {
+ us := make([]uint64, 0, len(ss))
+ for _, s := range ss {
+ u, err := strconv.ParseUint(s, 10, 64)
+ if err != nil {
+ return nil, err
+ }
+
+ us = append(us, u)
+ }
+
+ return us, nil
+}
+
+// ParsePInt64s parses a slice of strings into a slice of int64 pointers.
+func ParsePInt64s(ss []string) ([]*int64, error) {
+ us := make([]*int64, 0, len(ss))
+ for _, s := range ss {
+ u, err := strconv.ParseInt(s, 10, 64)
+ if err != nil {
+ return nil, err
+ }
+
+ us = append(us, &u)
+ }
+
+ return us, nil
+}
+
+// ReadUintFromFile reads a file and attempts to parse a uint64 from it.
+func ReadUintFromFile(path string) (uint64, error) {
+ data, err := ioutil.ReadFile(path)
+ if err != nil {
+ return 0, err
+ }
+ return strconv.ParseUint(strings.TrimSpace(string(data)), 10, 64)
+}
+
+// ReadIntFromFile reads a file and attempts to parse a int64 from it.
+func ReadIntFromFile(path string) (int64, error) {
+ data, err := ioutil.ReadFile(path)
+ if err != nil {
+ return 0, err
+ }
+ return strconv.ParseInt(strings.TrimSpace(string(data)), 10, 64)
+}
+
+// ParseBool parses a string into a boolean pointer.
+func ParseBool(b string) *bool {
+ var truth bool
+ switch b {
+ case "enabled":
+ truth = true
+ case "disabled":
+ truth = false
+ default:
+ return nil
+ }
+ return &truth
+}
diff --git a/vendor/github.com/prometheus/procfs/internal/util/readfile.go b/vendor/github.com/prometheus/procfs/internal/util/readfile.go
new file mode 100644
index 000000000..8051161b2
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/internal/util/readfile.go
@@ -0,0 +1,38 @@
+// Copyright 2019 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package util
+
+import (
+ "io"
+ "io/ioutil"
+ "os"
+)
+
+// ReadFileNoStat uses ioutil.ReadAll to read contents of entire file.
+// This is similar to ioutil.ReadFile but without the call to os.Stat, because
+// many files in /proc and /sys report incorrect file sizes (either 0 or 4096).
+// Reads a max file size of 512kB. For files larger than this, a scanner
+// should be used.
+func ReadFileNoStat(filename string) ([]byte, error) {
+ const maxBufferSize = 1024 * 512
+
+ f, err := os.Open(filename)
+ if err != nil {
+ return nil, err
+ }
+ defer f.Close()
+
+ reader := io.LimitReader(f, maxBufferSize)
+ return ioutil.ReadAll(reader)
+}
diff --git a/vendor/github.com/prometheus/procfs/internal/util/sysreadfile.go b/vendor/github.com/prometheus/procfs/internal/util/sysreadfile.go
new file mode 100644
index 000000000..c07de0b6c
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/internal/util/sysreadfile.go
@@ -0,0 +1,48 @@
+// Copyright 2018 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build linux,!appengine
+
+package util
+
+import (
+ "bytes"
+ "os"
+ "syscall"
+)
+
+// SysReadFile is a simplified ioutil.ReadFile that invokes syscall.Read directly.
+// https://github.com/prometheus/node_exporter/pull/728/files
+//
+// Note that this function will not read files larger than 128 bytes.
+func SysReadFile(file string) (string, error) {
+ f, err := os.Open(file)
+ if err != nil {
+ return "", err
+ }
+ defer f.Close()
+
+ // On some machines, hwmon drivers are broken and return EAGAIN. This causes
+ // Go's ioutil.ReadFile implementation to poll forever.
+ //
+ // Since we either want to read data or bail immediately, do the simplest
+ // possible read using syscall directly.
+ const sysFileBufferSize = 128
+ b := make([]byte, sysFileBufferSize)
+ n, err := syscall.Read(int(f.Fd()), b)
+ if err != nil {
+ return "", err
+ }
+
+ return string(bytes.TrimSpace(b[:n])), nil
+}
diff --git a/vendor/github.com/prometheus/procfs/internal/util/sysreadfile_compat.go b/vendor/github.com/prometheus/procfs/internal/util/sysreadfile_compat.go
new file mode 100644
index 000000000..bd55b4537
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/internal/util/sysreadfile_compat.go
@@ -0,0 +1,26 @@
+// Copyright 2019 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build linux,appengine !linux
+
+package util
+
+import (
+ "fmt"
+)
+
+// SysReadFile is here implemented as a noop for builds that do not support
+// the read syscall. For example Windows, or Linux on Google App Engine.
+func SysReadFile(file string) (string, error) {
+ return "", fmt.Errorf("not supported on this platform")
+}
diff --git a/vendor/github.com/prometheus/procfs/internal/util/valueparser.go b/vendor/github.com/prometheus/procfs/internal/util/valueparser.go
new file mode 100644
index 000000000..fe2355d3c
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/internal/util/valueparser.go
@@ -0,0 +1,91 @@
+// Copyright 2019 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package util
+
+import (
+ "strconv"
+)
+
+// TODO(mdlayher): util packages are an anti-pattern and this should be moved
+// somewhere else that is more focused in the future.
+
+// A ValueParser enables parsing a single string into a variety of data types
+// in a concise and safe way. The Err method must be invoked after invoking
+// any other methods to ensure a value was successfully parsed.
+type ValueParser struct {
+ v string
+ err error
+}
+
+// NewValueParser creates a ValueParser using the input string.
+func NewValueParser(v string) *ValueParser {
+ return &ValueParser{v: v}
+}
+
+// Int interprets the underlying value as an int and returns that value.
+func (vp *ValueParser) Int() int { return int(vp.int64()) }
+
+// PInt64 interprets the underlying value as an int64 and returns a pointer to
+// that value.
+func (vp *ValueParser) PInt64() *int64 {
+ if vp.err != nil {
+ return nil
+ }
+
+ v := vp.int64()
+ return &v
+}
+
+// int64 interprets the underlying value as an int64 and returns that value.
+// TODO: export if/when necessary.
+func (vp *ValueParser) int64() int64 {
+ if vp.err != nil {
+ return 0
+ }
+
+ // A base value of zero makes ParseInt infer the correct base using the
+ // string's prefix, if any.
+ const base = 0
+ v, err := strconv.ParseInt(vp.v, base, 64)
+ if err != nil {
+ vp.err = err
+ return 0
+ }
+
+ return v
+}
+
+// PUInt64 interprets the underlying value as an uint64 and returns a pointer to
+// that value.
+func (vp *ValueParser) PUInt64() *uint64 {
+ if vp.err != nil {
+ return nil
+ }
+
+ // A base value of zero makes ParseInt infer the correct base using the
+ // string's prefix, if any.
+ const base = 0
+ v, err := strconv.ParseUint(vp.v, base, 64)
+ if err != nil {
+ vp.err = err
+ return nil
+ }
+
+ return &v
+}
+
+// Err returns the last error, if any, encountered by the ValueParser.
+func (vp *ValueParser) Err() error {
+ return vp.err
+}
diff --git a/vendor/github.com/prometheus/procfs/ipvs.go b/vendor/github.com/prometheus/procfs/ipvs.go
index 2d6cb8d1c..89e447746 100644
--- a/vendor/github.com/prometheus/procfs/ipvs.go
+++ b/vendor/github.com/prometheus/procfs/ipvs.go
@@ -15,6 +15,7 @@ package procfs
import (
"bufio"
+ "bytes"
"encoding/hex"
"errors"
"fmt"
@@ -24,6 +25,8 @@ import (
"os"
"strconv"
"strings"
+
+ "github.com/prometheus/procfs/internal/util"
)
// IPVSStats holds IPVS statistics, as exposed by the kernel in `/proc/net/ip_vs_stats`.
@@ -64,17 +67,16 @@ type IPVSBackendStatus struct {
// IPVSStats reads the IPVS statistics from the specified `proc` filesystem.
func (fs FS) IPVSStats() (IPVSStats, error) {
- file, err := os.Open(fs.proc.Path("net/ip_vs_stats"))
+ data, err := util.ReadFileNoStat(fs.proc.Path("net/ip_vs_stats"))
if err != nil {
return IPVSStats{}, err
}
- defer file.Close()
- return parseIPVSStats(file)
+ return parseIPVSStats(bytes.NewReader(data))
}
// parseIPVSStats performs the actual parsing of `ip_vs_stats`.
-func parseIPVSStats(file io.Reader) (IPVSStats, error) {
+func parseIPVSStats(r io.Reader) (IPVSStats, error) {
var (
statContent []byte
statLines []string
@@ -82,7 +84,7 @@ func parseIPVSStats(file io.Reader) (IPVSStats, error) {
stats IPVSStats
)
- statContent, err := ioutil.ReadAll(file)
+ statContent, err := ioutil.ReadAll(r)
if err != nil {
return IPVSStats{}, err
}
diff --git a/vendor/github.com/prometheus/procfs/kernel_random.go b/vendor/github.com/prometheus/procfs/kernel_random.go
new file mode 100644
index 000000000..da3a941d6
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/kernel_random.go
@@ -0,0 +1,62 @@
+// Copyright 2020 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build !windows
+
+package procfs
+
+import (
+ "os"
+
+ "github.com/prometheus/procfs/internal/util"
+)
+
+// KernelRandom contains information about to the kernel's random number generator.
+type KernelRandom struct {
+ // EntropyAvaliable gives the available entropy, in bits.
+ EntropyAvaliable *uint64
+ // PoolSize gives the size of the entropy pool, in bits.
+ PoolSize *uint64
+ // URandomMinReseedSeconds is the number of seconds after which the DRNG will be reseeded.
+ URandomMinReseedSeconds *uint64
+ // WriteWakeupThreshold the number of bits of entropy below which we wake up processes
+ // that do a select(2) or poll(2) for write access to /dev/random.
+ WriteWakeupThreshold *uint64
+ // ReadWakeupThreshold is the number of bits of entropy required for waking up processes that sleep
+ // waiting for entropy from /dev/random.
+ ReadWakeupThreshold *uint64
+}
+
+// KernelRandom returns values from /proc/sys/kernel/random.
+func (fs FS) KernelRandom() (KernelRandom, error) {
+ random := KernelRandom{}
+
+ for file, p := range map[string]**uint64{
+ "entropy_avail": &random.EntropyAvaliable,
+ "poolsize": &random.PoolSize,
+ "urandom_min_reseed_secs": &random.URandomMinReseedSeconds,
+ "write_wakeup_threshold": &random.WriteWakeupThreshold,
+ "read_wakeup_threshold": &random.ReadWakeupThreshold,
+ } {
+ val, err := util.ReadUintFromFile(fs.proc.Path("sys", "kernel", "random", file))
+ if os.IsNotExist(err) {
+ continue
+ }
+ if err != nil {
+ return random, err
+ }
+ *p = &val
+ }
+
+ return random, nil
+}
diff --git a/vendor/github.com/prometheus/procfs/loadavg.go b/vendor/github.com/prometheus/procfs/loadavg.go
new file mode 100644
index 000000000..00bbe1441
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/loadavg.go
@@ -0,0 +1,62 @@
+// Copyright 2019 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package procfs
+
+import (
+ "fmt"
+ "strconv"
+ "strings"
+
+ "github.com/prometheus/procfs/internal/util"
+)
+
+// LoadAvg represents an entry in /proc/loadavg
+type LoadAvg struct {
+ Load1 float64
+ Load5 float64
+ Load15 float64
+}
+
+// LoadAvg returns loadavg from /proc.
+func (fs FS) LoadAvg() (*LoadAvg, error) {
+ path := fs.proc.Path("loadavg")
+
+ data, err := util.ReadFileNoStat(path)
+ if err != nil {
+ return nil, err
+ }
+ return parseLoad(data)
+}
+
+// Parse /proc loadavg and return 1m, 5m and 15m.
+func parseLoad(loadavgBytes []byte) (*LoadAvg, error) {
+ loads := make([]float64, 3)
+ parts := strings.Fields(string(loadavgBytes))
+ if len(parts) < 3 {
+ return nil, fmt.Errorf("malformed loadavg line: too few fields in loadavg string: %s", string(loadavgBytes))
+ }
+
+ var err error
+ for i, load := range parts[0:3] {
+ loads[i], err = strconv.ParseFloat(load, 64)
+ if err != nil {
+ return nil, fmt.Errorf("could not parse load '%s': %s", load, err)
+ }
+ }
+ return &LoadAvg{
+ Load1: loads[0],
+ Load5: loads[1],
+ Load15: loads[2],
+ }, nil
+}
diff --git a/vendor/github.com/prometheus/procfs/mdstat.go b/vendor/github.com/prometheus/procfs/mdstat.go
index 2af3ada18..98e37aa8c 100644
--- a/vendor/github.com/prometheus/procfs/mdstat.go
+++ b/vendor/github.com/prometheus/procfs/mdstat.go
@@ -52,7 +52,7 @@ type MDStat struct {
func (fs FS) MDStat() ([]MDStat, error) {
data, err := ioutil.ReadFile(fs.proc.Path("mdstat"))
if err != nil {
- return nil, fmt.Errorf("error parsing mdstat %s: %s", fs.proc.Path("mdstat"), err)
+ return nil, err
}
mdstat, err := parseMDStat(data)
if err != nil {
@@ -107,11 +107,14 @@ func parseMDStat(mdStatData []byte) ([]MDStat, error) {
syncedBlocks := size
recovering := strings.Contains(lines[syncLineIdx], "recovery")
resyncing := strings.Contains(lines[syncLineIdx], "resync")
+ checking := strings.Contains(lines[syncLineIdx], "check")
// Append recovery and resyncing state info.
- if recovering || resyncing {
+ if recovering || resyncing || checking {
if recovering {
state = "recovering"
+ } else if checking {
+ state = "checking"
} else {
state = "resyncing"
}
diff --git a/vendor/github.com/prometheus/procfs/meminfo.go b/vendor/github.com/prometheus/procfs/meminfo.go
new file mode 100644
index 000000000..50dab4bcd
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/meminfo.go
@@ -0,0 +1,277 @@
+// Copyright 2019 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package procfs
+
+import (
+ "bufio"
+ "bytes"
+ "fmt"
+ "io"
+ "strconv"
+ "strings"
+
+ "github.com/prometheus/procfs/internal/util"
+)
+
+// Meminfo represents memory statistics.
+type Meminfo struct {
+ // Total usable ram (i.e. physical ram minus a few reserved
+ // bits and the kernel binary code)
+ MemTotal uint64
+ // The sum of LowFree+HighFree
+ MemFree uint64
+ // An estimate of how much memory is available for starting
+ // new applications, without swapping. Calculated from
+ // MemFree, SReclaimable, the size of the file LRU lists, and
+ // the low watermarks in each zone. The estimate takes into
+ // account that the system needs some page cache to function
+ // well, and that not all reclaimable slab will be
+ // reclaimable, due to items being in use. The impact of those
+ // factors will vary from system to system.
+ MemAvailable uint64
+ // Relatively temporary storage for raw disk blocks shouldn't
+ // get tremendously large (20MB or so)
+ Buffers uint64
+ Cached uint64
+ // Memory that once was swapped out, is swapped back in but
+ // still also is in the swapfile (if memory is needed it
+ // doesn't need to be swapped out AGAIN because it is already
+ // in the swapfile. This saves I/O)
+ SwapCached uint64
+ // Memory that has been used more recently and usually not
+ // reclaimed unless absolutely necessary.
+ Active uint64
+ // Memory which has been less recently used. It is more
+ // eligible to be reclaimed for other purposes
+ Inactive uint64
+ ActiveAnon uint64
+ InactiveAnon uint64
+ ActiveFile uint64
+ InactiveFile uint64
+ Unevictable uint64
+ Mlocked uint64
+ // total amount of swap space available
+ SwapTotal uint64
+ // Memory which has been evicted from RAM, and is temporarily
+ // on the disk
+ SwapFree uint64
+ // Memory which is waiting to get written back to the disk
+ Dirty uint64
+ // Memory which is actively being written back to the disk
+ Writeback uint64
+ // Non-file backed pages mapped into userspace page tables
+ AnonPages uint64
+ // files which have been mapped, such as libraries
+ Mapped uint64
+ Shmem uint64
+ // in-kernel data structures cache
+ Slab uint64
+ // Part of Slab, that might be reclaimed, such as caches
+ SReclaimable uint64
+ // Part of Slab, that cannot be reclaimed on memory pressure
+ SUnreclaim uint64
+ KernelStack uint64
+ // amount of memory dedicated to the lowest level of page
+ // tables.
+ PageTables uint64
+ // NFS pages sent to the server, but not yet committed to
+ // stable storage
+ NFSUnstable uint64
+ // Memory used for block device "bounce buffers"
+ Bounce uint64
+ // Memory used by FUSE for temporary writeback buffers
+ WritebackTmp uint64
+ // Based on the overcommit ratio ('vm.overcommit_ratio'),
+ // this is the total amount of memory currently available to
+ // be allocated on the system. This limit is only adhered to
+ // if strict overcommit accounting is enabled (mode 2 in
+ // 'vm.overcommit_memory').
+ // The CommitLimit is calculated with the following formula:
+ // CommitLimit = ([total RAM pages] - [total huge TLB pages]) *
+ // overcommit_ratio / 100 + [total swap pages]
+ // For example, on a system with 1G of physical RAM and 7G
+ // of swap with a `vm.overcommit_ratio` of 30 it would
+ // yield a CommitLimit of 7.3G.
+ // For more details, see the memory overcommit documentation
+ // in vm/overcommit-accounting.
+ CommitLimit uint64
+ // The amount of memory presently allocated on the system.
+ // The committed memory is a sum of all of the memory which
+ // has been allocated by processes, even if it has not been
+ // "used" by them as of yet. A process which malloc()'s 1G
+ // of memory, but only touches 300M of it will show up as
+ // using 1G. This 1G is memory which has been "committed" to
+ // by the VM and can be used at any time by the allocating
+ // application. With strict overcommit enabled on the system
+ // (mode 2 in 'vm.overcommit_memory'),allocations which would
+ // exceed the CommitLimit (detailed above) will not be permitted.
+ // This is useful if one needs to guarantee that processes will
+ // not fail due to lack of memory once that memory has been
+ // successfully allocated.
+ CommittedAS uint64
+ // total size of vmalloc memory area
+ VmallocTotal uint64
+ // amount of vmalloc area which is used
+ VmallocUsed uint64
+ // largest contiguous block of vmalloc area which is free
+ VmallocChunk uint64
+ HardwareCorrupted uint64
+ AnonHugePages uint64
+ ShmemHugePages uint64
+ ShmemPmdMapped uint64
+ CmaTotal uint64
+ CmaFree uint64
+ HugePagesTotal uint64
+ HugePagesFree uint64
+ HugePagesRsvd uint64
+ HugePagesSurp uint64
+ Hugepagesize uint64
+ DirectMap4k uint64
+ DirectMap2M uint64
+ DirectMap1G uint64
+}
+
+// Meminfo returns an information about current kernel/system memory statistics.
+// See https://www.kernel.org/doc/Documentation/filesystems/proc.txt
+func (fs FS) Meminfo() (Meminfo, error) {
+ b, err := util.ReadFileNoStat(fs.proc.Path("meminfo"))
+ if err != nil {
+ return Meminfo{}, err
+ }
+
+ m, err := parseMemInfo(bytes.NewReader(b))
+ if err != nil {
+ return Meminfo{}, fmt.Errorf("failed to parse meminfo: %v", err)
+ }
+
+ return *m, nil
+}
+
+func parseMemInfo(r io.Reader) (*Meminfo, error) {
+ var m Meminfo
+ s := bufio.NewScanner(r)
+ for s.Scan() {
+ // Each line has at least a name and value; we ignore the unit.
+ fields := strings.Fields(s.Text())
+ if len(fields) < 2 {
+ return nil, fmt.Errorf("malformed meminfo line: %q", s.Text())
+ }
+
+ v, err := strconv.ParseUint(fields[1], 0, 64)
+ if err != nil {
+ return nil, err
+ }
+
+ switch fields[0] {
+ case "MemTotal:":
+ m.MemTotal = v
+ case "MemFree:":
+ m.MemFree = v
+ case "MemAvailable:":
+ m.MemAvailable = v
+ case "Buffers:":
+ m.Buffers = v
+ case "Cached:":
+ m.Cached = v
+ case "SwapCached:":
+ m.SwapCached = v
+ case "Active:":
+ m.Active = v
+ case "Inactive:":
+ m.Inactive = v
+ case "Active(anon):":
+ m.ActiveAnon = v
+ case "Inactive(anon):":
+ m.InactiveAnon = v
+ case "Active(file):":
+ m.ActiveFile = v
+ case "Inactive(file):":
+ m.InactiveFile = v
+ case "Unevictable:":
+ m.Unevictable = v
+ case "Mlocked:":
+ m.Mlocked = v
+ case "SwapTotal:":
+ m.SwapTotal = v
+ case "SwapFree:":
+ m.SwapFree = v
+ case "Dirty:":
+ m.Dirty = v
+ case "Writeback:":
+ m.Writeback = v
+ case "AnonPages:":
+ m.AnonPages = v
+ case "Mapped:":
+ m.Mapped = v
+ case "Shmem:":
+ m.Shmem = v
+ case "Slab:":
+ m.Slab = v
+ case "SReclaimable:":
+ m.SReclaimable = v
+ case "SUnreclaim:":
+ m.SUnreclaim = v
+ case "KernelStack:":
+ m.KernelStack = v
+ case "PageTables:":
+ m.PageTables = v
+ case "NFS_Unstable:":
+ m.NFSUnstable = v
+ case "Bounce:":
+ m.Bounce = v
+ case "WritebackTmp:":
+ m.WritebackTmp = v
+ case "CommitLimit:":
+ m.CommitLimit = v
+ case "Committed_AS:":
+ m.CommittedAS = v
+ case "VmallocTotal:":
+ m.VmallocTotal = v
+ case "VmallocUsed:":
+ m.VmallocUsed = v
+ case "VmallocChunk:":
+ m.VmallocChunk = v
+ case "HardwareCorrupted:":
+ m.HardwareCorrupted = v
+ case "AnonHugePages:":
+ m.AnonHugePages = v
+ case "ShmemHugePages:":
+ m.ShmemHugePages = v
+ case "ShmemPmdMapped:":
+ m.ShmemPmdMapped = v
+ case "CmaTotal:":
+ m.CmaTotal = v
+ case "CmaFree:":
+ m.CmaFree = v
+ case "HugePages_Total:":
+ m.HugePagesTotal = v
+ case "HugePages_Free:":
+ m.HugePagesFree = v
+ case "HugePages_Rsvd:":
+ m.HugePagesRsvd = v
+ case "HugePages_Surp:":
+ m.HugePagesSurp = v
+ case "Hugepagesize:":
+ m.Hugepagesize = v
+ case "DirectMap4k:":
+ m.DirectMap4k = v
+ case "DirectMap2M:":
+ m.DirectMap2M = v
+ case "DirectMap1G:":
+ m.DirectMap1G = v
+ }
+ }
+
+ return &m, nil
+}
diff --git a/vendor/github.com/prometheus/procfs/mountinfo.go b/vendor/github.com/prometheus/procfs/mountinfo.go
index 61fa61887..59f4d5055 100644
--- a/vendor/github.com/prometheus/procfs/mountinfo.go
+++ b/vendor/github.com/prometheus/procfs/mountinfo.go
@@ -15,19 +15,13 @@ package procfs
import (
"bufio"
+ "bytes"
"fmt"
- "io"
- "os"
"strconv"
"strings"
-)
-var validOptionalFields = map[string]bool{
- "shared": true,
- "master": true,
- "propagate_from": true,
- "unbindable": true,
-}
+ "github.com/prometheus/procfs/internal/util"
+)
// A MountInfo is a type that describes the details, options
// for each mount, parsed from /proc/self/mountinfo.
@@ -35,10 +29,10 @@ var validOptionalFields = map[string]bool{
// is described in the following man page.
// http://man7.org/linux/man-pages/man5/proc.5.html
type MountInfo struct {
- // Unique Id for the mount
- MountId int
- // The Id of the parent mount
- ParentId int
+ // Unique ID for the mount
+ MountID int
+ // The ID of the parent mount
+ ParentID int
// The value of `st_dev` for the files on this FS
MajorMinorVer string
// The pathname of the directory in the FS that forms
@@ -58,18 +52,10 @@ type MountInfo struct {
SuperOptions map[string]string
}
-// Returns part of the mountinfo line, if it exists, else an empty string.
-func getStringSliceElement(parts []string, idx int, defaultValue string) string {
- if idx >= len(parts) {
- return defaultValue
- }
- return parts[idx]
-}
-
// Reads each line of the mountinfo file, and returns a list of formatted MountInfo structs.
-func parseMountInfo(r io.Reader) ([]*MountInfo, error) {
+func parseMountInfo(info []byte) ([]*MountInfo, error) {
mounts := []*MountInfo{}
- scanner := bufio.NewScanner(r)
+ scanner := bufio.NewScanner(bytes.NewReader(info))
for scanner.Scan() {
mountString := scanner.Text()
parsedMounts, err := parseMountInfoString(mountString)
@@ -89,58 +75,76 @@ func parseMountInfo(r io.Reader) ([]*MountInfo, error) {
func parseMountInfoString(mountString string) (*MountInfo, error) {
var err error
- // OptionalFields can be zero, hence these checks to ensure we do not populate the wrong values in the wrong spots
- separatorIndex := strings.Index(mountString, "-")
- if separatorIndex == -1 {
- return nil, fmt.Errorf("no separator found in mountinfo string: %s", mountString)
+ mountInfo := strings.Split(mountString, " ")
+ mountInfoLength := len(mountInfo)
+ if mountInfoLength < 10 {
+ return nil, fmt.Errorf("couldn't find enough fields in mount string: %s", mountString)
}
- beforeFields := strings.Fields(mountString[:separatorIndex])
- afterFields := strings.Fields(mountString[separatorIndex+1:])
- if (len(beforeFields) + len(afterFields)) < 7 {
- return nil, fmt.Errorf("too few fields")
+
+ if mountInfo[mountInfoLength-4] != "-" {
+ return nil, fmt.Errorf("couldn't find separator in expected field: %s", mountInfo[mountInfoLength-4])
}
mount := &MountInfo{
- MajorMinorVer: getStringSliceElement(beforeFields, 2, ""),
- Root: getStringSliceElement(beforeFields, 3, ""),
- MountPoint: getStringSliceElement(beforeFields, 4, ""),
- Options: mountOptionsParser(getStringSliceElement(beforeFields, 5, "")),
+ MajorMinorVer: mountInfo[2],
+ Root: mountInfo[3],
+ MountPoint: mountInfo[4],
+ Options: mountOptionsParser(mountInfo[5]),
OptionalFields: nil,
- FSType: getStringSliceElement(afterFields, 0, ""),
- Source: getStringSliceElement(afterFields, 1, ""),
- SuperOptions: mountOptionsParser(getStringSliceElement(afterFields, 2, "")),
+ FSType: mountInfo[mountInfoLength-3],
+ Source: mountInfo[mountInfoLength-2],
+ SuperOptions: mountOptionsParser(mountInfo[mountInfoLength-1]),
}
- mount.MountId, err = strconv.Atoi(getStringSliceElement(beforeFields, 0, ""))
+ mount.MountID, err = strconv.Atoi(mountInfo[0])
if err != nil {
return nil, fmt.Errorf("failed to parse mount ID")
}
- mount.ParentId, err = strconv.Atoi(getStringSliceElement(beforeFields, 1, ""))
+ mount.ParentID, err = strconv.Atoi(mountInfo[1])
if err != nil {
return nil, fmt.Errorf("failed to parse parent ID")
}
// Has optional fields, which is a space separated list of values.
// Example: shared:2 master:7
- if len(beforeFields) > 6 {
- mount.OptionalFields = make(map[string]string)
- optionalFields := beforeFields[6:]
- for _, field := range optionalFields {
- optionSplit := strings.Split(field, ":")
- target, value := optionSplit[0], ""
- if len(optionSplit) == 2 {
- value = optionSplit[1]
- }
- // Checks if the 'keys' in the optional fields in the mountinfo line are acceptable.
- // Allowed 'keys' are shared, master, propagate_from, unbindable.
- if _, ok := validOptionalFields[target]; ok {
- mount.OptionalFields[target] = value
- }
+ if mountInfo[6] != "" {
+ mount.OptionalFields, err = mountOptionsParseOptionalFields(mountInfo[6 : mountInfoLength-4])
+ if err != nil {
+ return nil, err
}
}
return mount, nil
}
-// Parses the mount options, superblock options.
+// mountOptionsIsValidField checks a string against a valid list of optional fields keys.
+func mountOptionsIsValidField(s string) bool {
+ switch s {
+ case
+ "shared",
+ "master",
+ "propagate_from",
+ "unbindable":
+ return true
+ }
+ return false
+}
+
+// mountOptionsParseOptionalFields parses a list of optional fields strings into a double map of strings.
+func mountOptionsParseOptionalFields(o []string) (map[string]string, error) {
+ optionalFields := make(map[string]string)
+ for _, field := range o {
+ optionSplit := strings.SplitN(field, ":", 2)
+ value := ""
+ if len(optionSplit) == 2 {
+ value = optionSplit[1]
+ }
+ if mountOptionsIsValidField(optionSplit[0]) {
+ optionalFields[optionSplit[0]] = value
+ }
+ }
+ return optionalFields, nil
+}
+
+// mountOptionsParser parses the mount options, superblock options.
func mountOptionsParser(mountOptions string) map[string]string {
opts := make(map[string]string)
options := strings.Split(mountOptions, ",")
@@ -157,22 +161,20 @@ func mountOptionsParser(mountOptions string) map[string]string {
return opts
}
-// Retrieves mountinfo information from `/proc/self/mountinfo`.
+// GetMounts retrieves mountinfo information from `/proc/self/mountinfo`.
func GetMounts() ([]*MountInfo, error) {
- f, err := os.Open("/proc/self/mountinfo")
+ data, err := util.ReadFileNoStat("/proc/self/mountinfo")
if err != nil {
return nil, err
}
- defer f.Close()
- return parseMountInfo(f)
+ return parseMountInfo(data)
}
-// Retrieves mountinfo information from a processes' `/proc/<pid>/mountinfo`.
+// GetProcMounts retrieves mountinfo information from a processes' `/proc/<pid>/mountinfo`.
func GetProcMounts(pid int) ([]*MountInfo, error) {
- f, err := os.Open(fmt.Sprintf("/proc/%d/mountinfo", pid))
+ data, err := util.ReadFileNoStat(fmt.Sprintf("/proc/%d/mountinfo", pid))
if err != nil {
return nil, err
}
- defer f.Close()
- return parseMountInfo(f)
+ return parseMountInfo(data)
}
diff --git a/vendor/github.com/prometheus/procfs/mountstats.go b/vendor/github.com/prometheus/procfs/mountstats.go
index 35b2ef351..861ced9da 100644
--- a/vendor/github.com/prometheus/procfs/mountstats.go
+++ b/vendor/github.com/prometheus/procfs/mountstats.go
@@ -186,6 +186,8 @@ type NFSOperationStats struct {
CumulativeTotalResponseMilliseconds uint64
// Duration from when a request was enqueued to when it was completely handled.
CumulativeTotalRequestMilliseconds uint64
+ // The count of operations that complete with tk_status < 0. These statuses usually indicate error conditions.
+ Errors uint64
}
// A NFSTransportStats contains statistics for the NFS mount RPC requests and
@@ -494,8 +496,8 @@ func parseNFSEventsStats(ss []string) (*NFSEventsStats, error) {
// line is reached.
func parseNFSOperationStats(s *bufio.Scanner) ([]NFSOperationStats, error) {
const (
- // Number of expected fields in each per-operation statistics set
- numFields = 9
+ // Minimum number of expected fields in each per-operation statistics set
+ minFields = 9
)
var ops []NFSOperationStats
@@ -508,12 +510,12 @@ func parseNFSOperationStats(s *bufio.Scanner) ([]NFSOperationStats, error) {
break
}
- if len(ss) != numFields {
+ if len(ss) < minFields {
return nil, fmt.Errorf("invalid NFS per-operations stats: %v", ss)
}
// Skip string operation name for integers
- ns := make([]uint64, 0, numFields-1)
+ ns := make([]uint64, 0, minFields-1)
for _, st := range ss[1:] {
n, err := strconv.ParseUint(st, 10, 64)
if err != nil {
@@ -523,7 +525,7 @@ func parseNFSOperationStats(s *bufio.Scanner) ([]NFSOperationStats, error) {
ns = append(ns, n)
}
- ops = append(ops, NFSOperationStats{
+ opStats := NFSOperationStats{
Operation: strings.TrimSuffix(ss[0], ":"),
Requests: ns[0],
Transmissions: ns[1],
@@ -533,7 +535,13 @@ func parseNFSOperationStats(s *bufio.Scanner) ([]NFSOperationStats, error) {
CumulativeQueueMilliseconds: ns[5],
CumulativeTotalResponseMilliseconds: ns[6],
CumulativeTotalRequestMilliseconds: ns[7],
- })
+ }
+
+ if len(ns) > 8 {
+ opStats.Errors = ns[8]
+ }
+
+ ops = append(ops, opStats)
}
return ops, s.Err()
diff --git a/vendor/github.com/prometheus/procfs/net_conntrackstat.go b/vendor/github.com/prometheus/procfs/net_conntrackstat.go
new file mode 100644
index 000000000..b637be984
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/net_conntrackstat.go
@@ -0,0 +1,153 @@
+// Copyright 2020 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package procfs
+
+import (
+ "bufio"
+ "bytes"
+ "fmt"
+ "io"
+ "strconv"
+ "strings"
+
+ "github.com/prometheus/procfs/internal/util"
+)
+
+// A ConntrackStatEntry represents one line from net/stat/nf_conntrack
+// and contains netfilter conntrack statistics at one CPU core
+type ConntrackStatEntry struct {
+ Entries uint64
+ Found uint64
+ Invalid uint64
+ Ignore uint64
+ Insert uint64
+ InsertFailed uint64
+ Drop uint64
+ EarlyDrop uint64
+ SearchRestart uint64
+}
+
+// ConntrackStat retrieves netfilter's conntrack statistics, split by CPU cores
+func (fs FS) ConntrackStat() ([]ConntrackStatEntry, error) {
+ return readConntrackStat(fs.proc.Path("net", "stat", "nf_conntrack"))
+}
+
+// Parses a slice of ConntrackStatEntries from the given filepath
+func readConntrackStat(path string) ([]ConntrackStatEntry, error) {
+ // This file is small and can be read with one syscall.
+ b, err := util.ReadFileNoStat(path)
+ if err != nil {
+ // Do not wrap this error so the caller can detect os.IsNotExist and
+ // similar conditions.
+ return nil, err
+ }
+
+ stat, err := parseConntrackStat(bytes.NewReader(b))
+ if err != nil {
+ return nil, fmt.Errorf("failed to read conntrack stats from %q: %v", path, err)
+ }
+
+ return stat, nil
+}
+
+// Reads the contents of a conntrack statistics file and parses a slice of ConntrackStatEntries
+func parseConntrackStat(r io.Reader) ([]ConntrackStatEntry, error) {
+ var entries []ConntrackStatEntry
+
+ scanner := bufio.NewScanner(r)
+ scanner.Scan()
+ for scanner.Scan() {
+ fields := strings.Fields(scanner.Text())
+ conntrackEntry, err := parseConntrackStatEntry(fields)
+ if err != nil {
+ return nil, err
+ }
+ entries = append(entries, *conntrackEntry)
+ }
+
+ return entries, nil
+}
+
+// Parses a ConntrackStatEntry from given array of fields
+func parseConntrackStatEntry(fields []string) (*ConntrackStatEntry, error) {
+ if len(fields) != 17 {
+ return nil, fmt.Errorf("invalid conntrackstat entry, missing fields")
+ }
+ entry := &ConntrackStatEntry{}
+
+ entries, err := parseConntrackStatField(fields[0])
+ if err != nil {
+ return nil, err
+ }
+ entry.Entries = entries
+
+ found, err := parseConntrackStatField(fields[2])
+ if err != nil {
+ return nil, err
+ }
+ entry.Found = found
+
+ invalid, err := parseConntrackStatField(fields[4])
+ if err != nil {
+ return nil, err
+ }
+ entry.Invalid = invalid
+
+ ignore, err := parseConntrackStatField(fields[5])
+ if err != nil {
+ return nil, err
+ }
+ entry.Ignore = ignore
+
+ insert, err := parseConntrackStatField(fields[8])
+ if err != nil {
+ return nil, err
+ }
+ entry.Insert = insert
+
+ insertFailed, err := parseConntrackStatField(fields[9])
+ if err != nil {
+ return nil, err
+ }
+ entry.InsertFailed = insertFailed
+
+ drop, err := parseConntrackStatField(fields[10])
+ if err != nil {
+ return nil, err
+ }
+ entry.Drop = drop
+
+ earlyDrop, err := parseConntrackStatField(fields[11])
+ if err != nil {
+ return nil, err
+ }
+ entry.EarlyDrop = earlyDrop
+
+ searchRestart, err := parseConntrackStatField(fields[16])
+ if err != nil {
+ return nil, err
+ }
+ entry.SearchRestart = searchRestart
+
+ return entry, nil
+}
+
+// Parses a uint64 from given hex in string
+func parseConntrackStatField(field string) (uint64, error) {
+ val, err := strconv.ParseUint(field, 16, 64)
+ if err != nil {
+ return 0, fmt.Errorf("couldn't parse \"%s\" field: %s", field, err)
+ }
+ return val, err
+}
diff --git a/vendor/github.com/prometheus/procfs/net_dev.go b/vendor/github.com/prometheus/procfs/net_dev.go
index a0b7a0119..47a710bef 100644
--- a/vendor/github.com/prometheus/procfs/net_dev.go
+++ b/vendor/github.com/prometheus/procfs/net_dev.go
@@ -183,7 +183,6 @@ func (netDev NetDev) Total() NetDevLine {
names = append(names, ifc.Name)
total.RxBytes += ifc.RxBytes
total.RxPackets += ifc.RxPackets
- total.RxPackets += ifc.RxPackets
total.RxErrors += ifc.RxErrors
total.RxDropped += ifc.RxDropped
total.RxFIFO += ifc.RxFIFO
diff --git a/vendor/github.com/prometheus/procfs/net_sockstat.go b/vendor/github.com/prometheus/procfs/net_sockstat.go
new file mode 100644
index 000000000..f91ef5523
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/net_sockstat.go
@@ -0,0 +1,163 @@
+// Copyright 2019 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package procfs
+
+import (
+ "bufio"
+ "bytes"
+ "errors"
+ "fmt"
+ "io"
+ "strings"
+
+ "github.com/prometheus/procfs/internal/util"
+)
+
+// A NetSockstat contains the output of /proc/net/sockstat{,6} for IPv4 or IPv6,
+// respectively.
+type NetSockstat struct {
+ // Used is non-nil for IPv4 sockstat results, but nil for IPv6.
+ Used *int
+ Protocols []NetSockstatProtocol
+}
+
+// A NetSockstatProtocol contains statistics about a given socket protocol.
+// Pointer fields indicate that the value may or may not be present on any
+// given protocol.
+type NetSockstatProtocol struct {
+ Protocol string
+ InUse int
+ Orphan *int
+ TW *int
+ Alloc *int
+ Mem *int
+ Memory *int
+}
+
+// NetSockstat retrieves IPv4 socket statistics.
+func (fs FS) NetSockstat() (*NetSockstat, error) {
+ return readSockstat(fs.proc.Path("net", "sockstat"))
+}
+
+// NetSockstat6 retrieves IPv6 socket statistics.
+//
+// If IPv6 is disabled on this kernel, the returned error can be checked with
+// os.IsNotExist.
+func (fs FS) NetSockstat6() (*NetSockstat, error) {
+ return readSockstat(fs.proc.Path("net", "sockstat6"))
+}
+
+// readSockstat opens and parses a NetSockstat from the input file.
+func readSockstat(name string) (*NetSockstat, error) {
+ // This file is small and can be read with one syscall.
+ b, err := util.ReadFileNoStat(name)
+ if err != nil {
+ // Do not wrap this error so the caller can detect os.IsNotExist and
+ // similar conditions.
+ return nil, err
+ }
+
+ stat, err := parseSockstat(bytes.NewReader(b))
+ if err != nil {
+ return nil, fmt.Errorf("failed to read sockstats from %q: %v", name, err)
+ }
+
+ return stat, nil
+}
+
+// parseSockstat reads the contents of a sockstat file and parses a NetSockstat.
+func parseSockstat(r io.Reader) (*NetSockstat, error) {
+ var stat NetSockstat
+ s := bufio.NewScanner(r)
+ for s.Scan() {
+ // Expect a minimum of a protocol and one key/value pair.
+ fields := strings.Split(s.Text(), " ")
+ if len(fields) < 3 {
+ return nil, fmt.Errorf("malformed sockstat line: %q", s.Text())
+ }
+
+ // The remaining fields are key/value pairs.
+ kvs, err := parseSockstatKVs(fields[1:])
+ if err != nil {
+ return nil, fmt.Errorf("error parsing sockstat key/value pairs from %q: %v", s.Text(), err)
+ }
+
+ // The first field is the protocol. We must trim its colon suffix.
+ proto := strings.TrimSuffix(fields[0], ":")
+ switch proto {
+ case "sockets":
+ // Special case: IPv4 has a sockets "used" key/value pair that we
+ // embed at the top level of the structure.
+ used := kvs["used"]
+ stat.Used = &used
+ default:
+ // Parse all other lines as individual protocols.
+ nsp := parseSockstatProtocol(kvs)
+ nsp.Protocol = proto
+ stat.Protocols = append(stat.Protocols, nsp)
+ }
+ }
+
+ if err := s.Err(); err != nil {
+ return nil, err
+ }
+
+ return &stat, nil
+}
+
+// parseSockstatKVs parses a string slice into a map of key/value pairs.
+func parseSockstatKVs(kvs []string) (map[string]int, error) {
+ if len(kvs)%2 != 0 {
+ return nil, errors.New("odd number of fields in key/value pairs")
+ }
+
+ // Iterate two values at a time to gather key/value pairs.
+ out := make(map[string]int, len(kvs)/2)
+ for i := 0; i < len(kvs); i += 2 {
+ vp := util.NewValueParser(kvs[i+1])
+ out[kvs[i]] = vp.Int()
+
+ if err := vp.Err(); err != nil {
+ return nil, err
+ }
+ }
+
+ return out, nil
+}
+
+// parseSockstatProtocol parses a NetSockstatProtocol from the input kvs map.
+func parseSockstatProtocol(kvs map[string]int) NetSockstatProtocol {
+ var nsp NetSockstatProtocol
+ for k, v := range kvs {
+ // Capture the range variable to ensure we get unique pointers for
+ // each of the optional fields.
+ v := v
+ switch k {
+ case "inuse":
+ nsp.InUse = v
+ case "orphan":
+ nsp.Orphan = &v
+ case "tw":
+ nsp.TW = &v
+ case "alloc":
+ nsp.Alloc = &v
+ case "mem":
+ nsp.Mem = &v
+ case "memory":
+ nsp.Memory = &v
+ }
+ }
+
+ return nsp
+}
diff --git a/vendor/github.com/prometheus/procfs/net_softnet.go b/vendor/github.com/prometheus/procfs/net_softnet.go
new file mode 100644
index 000000000..db5debdf4
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/net_softnet.go
@@ -0,0 +1,102 @@
+// Copyright 2019 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package procfs
+
+import (
+ "bufio"
+ "bytes"
+ "fmt"
+ "io"
+ "strconv"
+ "strings"
+
+ "github.com/prometheus/procfs/internal/util"
+)
+
+// For the proc file format details,
+// See:
+// * Linux 2.6.23 https://elixir.bootlin.com/linux/v2.6.23/source/net/core/dev.c#L2343
+// * Linux 4.17 https://elixir.bootlin.com/linux/v4.17/source/net/core/net-procfs.c#L162
+// and https://elixir.bootlin.com/linux/v4.17/source/include/linux/netdevice.h#L2810.
+
+// SoftnetStat contains a single row of data from /proc/net/softnet_stat
+type SoftnetStat struct {
+ // Number of processed packets
+ Processed uint32
+ // Number of dropped packets
+ Dropped uint32
+ // Number of times processing packets ran out of quota
+ TimeSqueezed uint32
+}
+
+var softNetProcFile = "net/softnet_stat"
+
+// NetSoftnetStat reads data from /proc/net/softnet_stat.
+func (fs FS) NetSoftnetStat() ([]SoftnetStat, error) {
+ b, err := util.ReadFileNoStat(fs.proc.Path(softNetProcFile))
+ if err != nil {
+ return nil, err
+ }
+
+ entries, err := parseSoftnet(bytes.NewReader(b))
+ if err != nil {
+ return nil, fmt.Errorf("failed to parse /proc/net/softnet_stat: %v", err)
+ }
+
+ return entries, nil
+}
+
+func parseSoftnet(r io.Reader) ([]SoftnetStat, error) {
+ const minColumns = 9
+
+ s := bufio.NewScanner(r)
+
+ var stats []SoftnetStat
+ for s.Scan() {
+ columns := strings.Fields(s.Text())
+ width := len(columns)
+
+ if width < minColumns {
+ return nil, fmt.Errorf("%d columns were detected, but at least %d were expected", width, minColumns)
+ }
+
+ // We only parse the first three columns at the moment.
+ us, err := parseHexUint32s(columns[0:3])
+ if err != nil {
+ return nil, err
+ }
+
+ stats = append(stats, SoftnetStat{
+ Processed: us[0],
+ Dropped: us[1],
+ TimeSqueezed: us[2],
+ })
+ }
+
+ return stats, nil
+}
+
+func parseHexUint32s(ss []string) ([]uint32, error) {
+ us := make([]uint32, 0, len(ss))
+ for _, s := range ss {
+ u, err := strconv.ParseUint(s, 16, 32)
+ if err != nil {
+ return nil, err
+ }
+
+ us = append(us, uint32(u))
+ }
+
+ return us, nil
+}
diff --git a/vendor/github.com/prometheus/procfs/net_udp.go b/vendor/github.com/prometheus/procfs/net_udp.go
new file mode 100644
index 000000000..d017e3f18
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/net_udp.go
@@ -0,0 +1,229 @@
+// Copyright 2020 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package procfs
+
+import (
+ "bufio"
+ "encoding/hex"
+ "fmt"
+ "io"
+ "net"
+ "os"
+ "strconv"
+ "strings"
+)
+
+const (
+ // readLimit is used by io.LimitReader while reading the content of the
+ // /proc/net/udp{,6} files. The number of lines inside such a file is dynamic
+ // as each line represents a single used socket.
+ // In theory, the number of available sockets is 65535 (2^16 - 1) per IP.
+ // With e.g. 150 Byte per line and the maximum number of 65535,
+ // the reader needs to handle 150 Byte * 65535 =~ 10 MB for a single IP.
+ readLimit = 4294967296 // Byte -> 4 GiB
+)
+
+type (
+ // NetUDP represents the contents of /proc/net/udp{,6} file without the header.
+ NetUDP []*netUDPLine
+
+ // NetUDPSummary provides already computed values like the total queue lengths or
+ // the total number of used sockets. In contrast to NetUDP it does not collect
+ // the parsed lines into a slice.
+ NetUDPSummary struct {
+ // TxQueueLength shows the total queue length of all parsed tx_queue lengths.
+ TxQueueLength uint64
+ // RxQueueLength shows the total queue length of all parsed rx_queue lengths.
+ RxQueueLength uint64
+ // UsedSockets shows the total number of parsed lines representing the
+ // number of used sockets.
+ UsedSockets uint64
+ }
+
+ // netUDPLine represents the fields parsed from a single line
+ // in /proc/net/udp{,6}. Fields which are not used by UDP are skipped.
+ // For the proc file format details, see https://linux.die.net/man/5/proc.
+ netUDPLine struct {
+ Sl uint64
+ LocalAddr net.IP
+ LocalPort uint64
+ RemAddr net.IP
+ RemPort uint64
+ St uint64
+ TxQueue uint64
+ RxQueue uint64
+ UID uint64
+ }
+)
+
+// NetUDP returns the IPv4 kernel/networking statistics for UDP datagrams
+// read from /proc/net/udp.
+func (fs FS) NetUDP() (NetUDP, error) {
+ return newNetUDP(fs.proc.Path("net/udp"))
+}
+
+// NetUDP6 returns the IPv6 kernel/networking statistics for UDP datagrams
+// read from /proc/net/udp6.
+func (fs FS) NetUDP6() (NetUDP, error) {
+ return newNetUDP(fs.proc.Path("net/udp6"))
+}
+
+// NetUDPSummary returns already computed statistics like the total queue lengths
+// for UDP datagrams read from /proc/net/udp.
+func (fs FS) NetUDPSummary() (*NetUDPSummary, error) {
+ return newNetUDPSummary(fs.proc.Path("net/udp"))
+}
+
+// NetUDP6Summary returns already computed statistics like the total queue lengths
+// for UDP datagrams read from /proc/net/udp6.
+func (fs FS) NetUDP6Summary() (*NetUDPSummary, error) {
+ return newNetUDPSummary(fs.proc.Path("net/udp6"))
+}
+
+// newNetUDP creates a new NetUDP{,6} from the contents of the given file.
+func newNetUDP(file string) (NetUDP, error) {
+ f, err := os.Open(file)
+ if err != nil {
+ return nil, err
+ }
+ defer f.Close()
+
+ netUDP := NetUDP{}
+
+ lr := io.LimitReader(f, readLimit)
+ s := bufio.NewScanner(lr)
+ s.Scan() // skip first line with headers
+ for s.Scan() {
+ fields := strings.Fields(s.Text())
+ line, err := parseNetUDPLine(fields)
+ if err != nil {
+ return nil, err
+ }
+ netUDP = append(netUDP, line)
+ }
+ if err := s.Err(); err != nil {
+ return nil, err
+ }
+ return netUDP, nil
+}
+
+// newNetUDPSummary creates a new NetUDP{,6} from the contents of the given file.
+func newNetUDPSummary(file string) (*NetUDPSummary, error) {
+ f, err := os.Open(file)
+ if err != nil {
+ return nil, err
+ }
+ defer f.Close()
+
+ netUDPSummary := &NetUDPSummary{}
+
+ lr := io.LimitReader(f, readLimit)
+ s := bufio.NewScanner(lr)
+ s.Scan() // skip first line with headers
+ for s.Scan() {
+ fields := strings.Fields(s.Text())
+ line, err := parseNetUDPLine(fields)
+ if err != nil {
+ return nil, err
+ }
+ netUDPSummary.TxQueueLength += line.TxQueue
+ netUDPSummary.RxQueueLength += line.RxQueue
+ netUDPSummary.UsedSockets++
+ }
+ if err := s.Err(); err != nil {
+ return nil, err
+ }
+ return netUDPSummary, nil
+}
+
+// parseNetUDPLine parses a single line, represented by a list of fields.
+func parseNetUDPLine(fields []string) (*netUDPLine, error) {
+ line := &netUDPLine{}
+ if len(fields) < 8 {
+ return nil, fmt.Errorf(
+ "cannot parse net udp socket line as it has less then 8 columns: %s",
+ strings.Join(fields, " "),
+ )
+ }
+ var err error // parse error
+
+ // sl
+ s := strings.Split(fields[0], ":")
+ if len(s) != 2 {
+ return nil, fmt.Errorf(
+ "cannot parse sl field in udp socket line: %s", fields[0])
+ }
+
+ if line.Sl, err = strconv.ParseUint(s[0], 0, 64); err != nil {
+ return nil, fmt.Errorf("cannot parse sl value in udp socket line: %s", err)
+ }
+ // local_address
+ l := strings.Split(fields[1], ":")
+ if len(l) != 2 {
+ return nil, fmt.Errorf(
+ "cannot parse local_address field in udp socket line: %s", fields[1])
+ }
+ if line.LocalAddr, err = hex.DecodeString(l[0]); err != nil {
+ return nil, fmt.Errorf(
+ "cannot parse local_address value in udp socket line: %s", err)
+ }
+ if line.LocalPort, err = strconv.ParseUint(l[1], 16, 64); err != nil {
+ return nil, fmt.Errorf(
+ "cannot parse local_address port value in udp socket line: %s", err)
+ }
+
+ // remote_address
+ r := strings.Split(fields[2], ":")
+ if len(r) != 2 {
+ return nil, fmt.Errorf(
+ "cannot parse rem_address field in udp socket line: %s", fields[1])
+ }
+ if line.RemAddr, err = hex.DecodeString(r[0]); err != nil {
+ return nil, fmt.Errorf(
+ "cannot parse rem_address value in udp socket line: %s", err)
+ }
+ if line.RemPort, err = strconv.ParseUint(r[1], 16, 64); err != nil {
+ return nil, fmt.Errorf(
+ "cannot parse rem_address port value in udp socket line: %s", err)
+ }
+
+ // st
+ if line.St, err = strconv.ParseUint(fields[3], 16, 64); err != nil {
+ return nil, fmt.Errorf(
+ "cannot parse st value in udp socket line: %s", err)
+ }
+
+ // tx_queue and rx_queue
+ q := strings.Split(fields[4], ":")
+ if len(q) != 2 {
+ return nil, fmt.Errorf(
+ "cannot parse tx/rx queues in udp socket line as it has a missing colon: %s",
+ fields[4],
+ )
+ }
+ if line.TxQueue, err = strconv.ParseUint(q[0], 16, 64); err != nil {
+ return nil, fmt.Errorf("cannot parse tx_queue value in udp socket line: %s", err)
+ }
+ if line.RxQueue, err = strconv.ParseUint(q[1], 16, 64); err != nil {
+ return nil, fmt.Errorf("cannot parse rx_queue value in udp socket line: %s", err)
+ }
+
+ // uid
+ if line.UID, err = strconv.ParseUint(fields[7], 0, 64); err != nil {
+ return nil, fmt.Errorf(
+ "cannot parse uid value in udp socket line: %s", err)
+ }
+
+ return line, nil
+}
diff --git a/vendor/github.com/prometheus/procfs/net_unix.go b/vendor/github.com/prometheus/procfs/net_unix.go
index 240340a83..c55b4b18e 100644
--- a/vendor/github.com/prometheus/procfs/net_unix.go
+++ b/vendor/github.com/prometheus/procfs/net_unix.go
@@ -15,7 +15,6 @@ package procfs
import (
"bufio"
- "errors"
"fmt"
"io"
"os"
@@ -27,25 +26,15 @@ import (
// see https://elixir.bootlin.com/linux/v4.17/source/net/unix/af_unix.c#L2815
// and https://elixir.bootlin.com/linux/latest/source/include/uapi/linux/net.h#L48.
-const (
- netUnixKernelPtrIdx = iota
- netUnixRefCountIdx
- _
- netUnixFlagsIdx
- netUnixTypeIdx
- netUnixStateIdx
- netUnixInodeIdx
-
- // Inode and Path are optional.
- netUnixStaticFieldsCnt = 6
-)
-
+// Constants for the various /proc/net/unix enumerations.
+// TODO: match against x/sys/unix or similar?
const (
netUnixTypeStream = 1
netUnixTypeDgram = 2
netUnixTypeSeqpacket = 5
- netUnixFlagListen = 1 << 16
+ netUnixFlagDefault = 0
+ netUnixFlagListen = 1 << 16
netUnixStateUnconnected = 1
netUnixStateConnecting = 2
@@ -53,129 +42,127 @@ const (
netUnixStateDisconnected = 4
)
-var errInvalidKernelPtrFmt = errors.New("Invalid Num(the kernel table slot number) format")
+// NetUNIXType is the type of the type field.
+type NetUNIXType uint64
-// NetUnixType is the type of the type field.
-type NetUnixType uint64
+// NetUNIXFlags is the type of the flags field.
+type NetUNIXFlags uint64
-// NetUnixFlags is the type of the flags field.
-type NetUnixFlags uint64
+// NetUNIXState is the type of the state field.
+type NetUNIXState uint64
-// NetUnixState is the type of the state field.
-type NetUnixState uint64
-
-// NetUnixLine represents a line of /proc/net/unix.
-type NetUnixLine struct {
+// NetUNIXLine represents a line of /proc/net/unix.
+type NetUNIXLine struct {
KernelPtr string
RefCount uint64
Protocol uint64
- Flags NetUnixFlags
- Type NetUnixType
- State NetUnixState
+ Flags NetUNIXFlags
+ Type NetUNIXType
+ State NetUNIXState
Inode uint64
Path string
}
-// NetUnix holds the data read from /proc/net/unix.
-type NetUnix struct {
- Rows []*NetUnixLine
+// NetUNIX holds the data read from /proc/net/unix.
+type NetUNIX struct {
+ Rows []*NetUNIXLine
}
-// NewNetUnix returns data read from /proc/net/unix.
-func NewNetUnix() (*NetUnix, error) {
- fs, err := NewFS(DefaultMountPoint)
- if err != nil {
- return nil, err
- }
-
- return fs.NewNetUnix()
+// NetUNIX returns data read from /proc/net/unix.
+func (fs FS) NetUNIX() (*NetUNIX, error) {
+ return readNetUNIX(fs.proc.Path("net/unix"))
}
-// NewNetUnix returns data read from /proc/net/unix.
-func (fs FS) NewNetUnix() (*NetUnix, error) {
- return NewNetUnixByPath(fs.proc.Path("net/unix"))
-}
-
-// NewNetUnixByPath returns data read from /proc/net/unix by file path.
-// It might returns an error with partial parsed data, if an error occur after some data parsed.
-func NewNetUnixByPath(path string) (*NetUnix, error) {
- f, err := os.Open(path)
+// readNetUNIX reads data in /proc/net/unix format from the specified file.
+func readNetUNIX(file string) (*NetUNIX, error) {
+ // This file could be quite large and a streaming read is desirable versus
+ // reading the entire contents at once.
+ f, err := os.Open(file)
if err != nil {
return nil, err
}
defer f.Close()
- return NewNetUnixByReader(f)
+
+ return parseNetUNIX(f)
}
-// NewNetUnixByReader returns data read from /proc/net/unix by a reader.
-// It might returns an error with partial parsed data, if an error occur after some data parsed.
-func NewNetUnixByReader(reader io.Reader) (*NetUnix, error) {
- nu := &NetUnix{
- Rows: make([]*NetUnixLine, 0, 32),
- }
- scanner := bufio.NewScanner(reader)
- // Omit the header line.
- scanner.Scan()
- header := scanner.Text()
+// parseNetUNIX creates a NetUnix structure from the incoming stream.
+func parseNetUNIX(r io.Reader) (*NetUNIX, error) {
+ // Begin scanning by checking for the existence of Inode.
+ s := bufio.NewScanner(r)
+ s.Scan()
+
// From the man page of proc(5), it does not contain an Inode field,
- // but in actually it exists.
- // This code works for both cases.
- hasInode := strings.Contains(header, "Inode")
+ // but in actually it exists. This code works for both cases.
+ hasInode := strings.Contains(s.Text(), "Inode")
- minFieldsCnt := netUnixStaticFieldsCnt
+ // Expect a minimum number of fields, but Inode and Path are optional:
+ // Num RefCount Protocol Flags Type St Inode Path
+ minFields := 6
if hasInode {
- minFieldsCnt++
+ minFields++
}
- for scanner.Scan() {
- line := scanner.Text()
- item, err := nu.parseLine(line, hasInode, minFieldsCnt)
+
+ var nu NetUNIX
+ for s.Scan() {
+ line := s.Text()
+ item, err := nu.parseLine(line, hasInode, minFields)
if err != nil {
- return nu, err
+ return nil, fmt.Errorf("failed to parse /proc/net/unix data %q: %v", line, err)
}
+
nu.Rows = append(nu.Rows, item)
}
- return nu, scanner.Err()
+ if err := s.Err(); err != nil {
+ return nil, fmt.Errorf("failed to scan /proc/net/unix data: %v", err)
+ }
+
+ return &nu, nil
}
-func (u *NetUnix) parseLine(line string, hasInode bool, minFieldsCnt int) (*NetUnixLine, error) {
+func (u *NetUNIX) parseLine(line string, hasInode bool, min int) (*NetUNIXLine, error) {
fields := strings.Fields(line)
- fieldsLen := len(fields)
- if fieldsLen < minFieldsCnt {
- return nil, fmt.Errorf(
- "Parse Unix domain failed: expect at least %d fields but got %d",
- minFieldsCnt, fieldsLen)
- }
- kernelPtr, err := u.parseKernelPtr(fields[netUnixKernelPtrIdx])
- if err != nil {
- return nil, fmt.Errorf("Parse Unix domain num(%s) failed: %s", fields[netUnixKernelPtrIdx], err)
+
+ l := len(fields)
+ if l < min {
+ return nil, fmt.Errorf("expected at least %d fields but got %d", min, l)
}
- users, err := u.parseUsers(fields[netUnixRefCountIdx])
+
+ // Field offsets are as follows:
+ // Num RefCount Protocol Flags Type St Inode Path
+
+ kernelPtr := strings.TrimSuffix(fields[0], ":")
+
+ users, err := u.parseUsers(fields[1])
if err != nil {
- return nil, fmt.Errorf("Parse Unix domain ref count(%s) failed: %s", fields[netUnixRefCountIdx], err)
+ return nil, fmt.Errorf("failed to parse ref count(%s): %v", fields[1], err)
}
- flags, err := u.parseFlags(fields[netUnixFlagsIdx])
+
+ flags, err := u.parseFlags(fields[3])
if err != nil {
- return nil, fmt.Errorf("Parse Unix domain flags(%s) failed: %s", fields[netUnixFlagsIdx], err)
+ return nil, fmt.Errorf("failed to parse flags(%s): %v", fields[3], err)
}
- typ, err := u.parseType(fields[netUnixTypeIdx])
+
+ typ, err := u.parseType(fields[4])
if err != nil {
- return nil, fmt.Errorf("Parse Unix domain type(%s) failed: %s", fields[netUnixTypeIdx], err)
+ return nil, fmt.Errorf("failed to parse type(%s): %v", fields[4], err)
}
- state, err := u.parseState(fields[netUnixStateIdx])
+
+ state, err := u.parseState(fields[5])
if err != nil {
- return nil, fmt.Errorf("Parse Unix domain state(%s) failed: %s", fields[netUnixStateIdx], err)
+ return nil, fmt.Errorf("failed to parse state(%s): %v", fields[5], err)
}
+
var inode uint64
if hasInode {
- inodeStr := fields[netUnixInodeIdx]
- inode, err = u.parseInode(inodeStr)
+ inode, err = u.parseInode(fields[6])
if err != nil {
- return nil, fmt.Errorf("Parse Unix domain inode(%s) failed: %s", inodeStr, err)
+ return nil, fmt.Errorf("failed to parse inode(%s): %v", fields[6], err)
}
}
- nuLine := &NetUnixLine{
+ n := &NetUNIXLine{
KernelPtr: kernelPtr,
RefCount: users,
Type: typ,
@@ -185,61 +172,56 @@ func (u *NetUnix) parseLine(line string, hasInode bool, minFieldsCnt int) (*NetU
}
// Path field is optional.
- if fieldsLen > minFieldsCnt {
- pathIdx := netUnixInodeIdx + 1
+ if l > min {
+ // Path occurs at either index 6 or 7 depending on whether inode is
+ // already present.
+ pathIdx := 7
if !hasInode {
pathIdx--
}
- nuLine.Path = fields[pathIdx]
- }
-
- return nuLine, nil
-}
-func (u NetUnix) parseKernelPtr(str string) (string, error) {
- if !strings.HasSuffix(str, ":") {
- return "", errInvalidKernelPtrFmt
+ n.Path = fields[pathIdx]
}
- return str[:len(str)-1], nil
-}
-func (u NetUnix) parseUsers(hexStr string) (uint64, error) {
- return strconv.ParseUint(hexStr, 16, 32)
+ return n, nil
}
-func (u NetUnix) parseProtocol(hexStr string) (uint64, error) {
- return strconv.ParseUint(hexStr, 16, 32)
+func (u NetUNIX) parseUsers(s string) (uint64, error) {
+ return strconv.ParseUint(s, 16, 32)
}
-func (u NetUnix) parseType(hexStr string) (NetUnixType, error) {
- typ, err := strconv.ParseUint(hexStr, 16, 16)
+func (u NetUNIX) parseType(s string) (NetUNIXType, error) {
+ typ, err := strconv.ParseUint(s, 16, 16)
if err != nil {
return 0, err
}
- return NetUnixType(typ), nil
+
+ return NetUNIXType(typ), nil
}
-func (u NetUnix) parseFlags(hexStr string) (NetUnixFlags, error) {
- flags, err := strconv.ParseUint(hexStr, 16, 32)
+func (u NetUNIX) parseFlags(s string) (NetUNIXFlags, error) {
+ flags, err := strconv.ParseUint(s, 16, 32)
if err != nil {
return 0, err
}
- return NetUnixFlags(flags), nil
+
+ return NetUNIXFlags(flags), nil
}
-func (u NetUnix) parseState(hexStr string) (NetUnixState, error) {
- st, err := strconv.ParseInt(hexStr, 16, 8)
+func (u NetUNIX) parseState(s string) (NetUNIXState, error) {
+ st, err := strconv.ParseInt(s, 16, 8)
if err != nil {
return 0, err
}
- return NetUnixState(st), nil
+
+ return NetUNIXState(st), nil
}
-func (u NetUnix) parseInode(inodeStr string) (uint64, error) {
- return strconv.ParseUint(inodeStr, 10, 64)
+func (u NetUNIX) parseInode(s string) (uint64, error) {
+ return strconv.ParseUint(s, 10, 64)
}
-func (t NetUnixType) String() string {
+func (t NetUNIXType) String() string {
switch t {
case netUnixTypeStream:
return "stream"
@@ -251,7 +233,7 @@ func (t NetUnixType) String() string {
return "unknown"
}
-func (f NetUnixFlags) String() string {
+func (f NetUNIXFlags) String() string {
switch f {
case netUnixFlagListen:
return "listen"
@@ -260,7 +242,7 @@ func (f NetUnixFlags) String() string {
}
}
-func (s NetUnixState) String() string {
+func (s NetUNIXState) String() string {
switch s {
case netUnixStateUnconnected:
return "unconnected"
diff --git a/vendor/github.com/prometheus/procfs/proc.go b/vendor/github.com/prometheus/procfs/proc.go
index 41c148d06..9f97b6e52 100644
--- a/vendor/github.com/prometheus/procfs/proc.go
+++ b/vendor/github.com/prometheus/procfs/proc.go
@@ -22,6 +22,7 @@ import (
"strings"
"github.com/prometheus/procfs/internal/fs"
+ "github.com/prometheus/procfs/internal/util"
)
// Proc provides information about a running process.
@@ -121,13 +122,7 @@ func (fs FS) AllProcs() (Procs, error) {
// CmdLine returns the command line of a process.
func (p Proc) CmdLine() ([]string, error) {
- f, err := os.Open(p.path("cmdline"))
- if err != nil {
- return nil, err
- }
- defer f.Close()
-
- data, err := ioutil.ReadAll(f)
+ data, err := util.ReadFileNoStat(p.path("cmdline"))
if err != nil {
return nil, err
}
@@ -139,9 +134,9 @@ func (p Proc) CmdLine() ([]string, error) {
return strings.Split(string(bytes.TrimRight(data, string("\x00"))), string(byte(0))), nil
}
-// Comm returns the command name of a process.
-func (p Proc) Comm() (string, error) {
- f, err := os.Open(p.path("comm"))
+// Wchan returns the wchan (wait channel) of a process.
+func (p Proc) Wchan() (string, error) {
+ f, err := os.Open(p.path("wchan"))
if err != nil {
return "", err
}
@@ -152,6 +147,21 @@ func (p Proc) Comm() (string, error) {
return "", err
}
+ wchan := string(data)
+ if wchan == "" || wchan == "0" {
+ return "", nil
+ }
+
+ return wchan, nil
+}
+
+// Comm returns the command name of a process.
+func (p Proc) Comm() (string, error) {
+ data, err := util.ReadFileNoStat(p.path("comm"))
+ if err != nil {
+ return "", err
+ }
+
return strings.TrimSpace(string(data)), nil
}
@@ -252,13 +262,11 @@ func (p Proc) MountStats() ([]*Mount, error) {
// It supplies information missing in `/proc/self/mounts` and
// fixes various other problems with that file too.
func (p Proc) MountInfo() ([]*MountInfo, error) {
- f, err := os.Open(p.path("mountinfo"))
+ data, err := util.ReadFileNoStat(p.path("mountinfo"))
if err != nil {
return nil, err
}
- defer f.Close()
-
- return parseMountInfo(f)
+ return parseMountInfo(data)
}
func (p Proc) fileDescriptors() ([]string, error) {
@@ -279,3 +287,33 @@ func (p Proc) fileDescriptors() ([]string, error) {
func (p Proc) path(pa ...string) string {
return p.fs.Path(append([]string{strconv.Itoa(p.PID)}, pa...)...)
}
+
+// FileDescriptorsInfo retrieves information about all file descriptors of
+// the process.
+func (p Proc) FileDescriptorsInfo() (ProcFDInfos, error) {
+ names, err := p.fileDescriptors()
+ if err != nil {
+ return nil, err
+ }
+
+ var fdinfos ProcFDInfos
+
+ for _, n := range names {
+ fdinfo, err := p.FDInfo(n)
+ if err != nil {
+ continue
+ }
+ fdinfos = append(fdinfos, *fdinfo)
+ }
+
+ return fdinfos, nil
+}
+
+// Schedstat returns task scheduling information for the process.
+func (p Proc) Schedstat() (ProcSchedstat, error) {
+ contents, err := ioutil.ReadFile(p.path("schedstat"))
+ if err != nil {
+ return ProcSchedstat{}, err
+ }
+ return parseProcSchedstat(string(contents))
+}
diff --git a/vendor/github.com/prometheus/procfs/proc_cgroup.go b/vendor/github.com/prometheus/procfs/proc_cgroup.go
new file mode 100644
index 000000000..4abd46451
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/proc_cgroup.go
@@ -0,0 +1,98 @@
+// Copyright 2020 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package procfs
+
+import (
+ "bufio"
+ "bytes"
+ "fmt"
+ "strconv"
+ "strings"
+
+ "github.com/prometheus/procfs/internal/util"
+)
+
+// Cgroup models one line from /proc/[pid]/cgroup. Each Cgroup struct describes the the placement of a PID inside a
+// specific control hierarchy. The kernel has two cgroup APIs, v1 and v2. v1 has one hierarchy per available resource
+// controller, while v2 has one unified hierarchy shared by all controllers. Regardless of v1 or v2, all hierarchies
+// contain all running processes, so the question answerable with a Cgroup struct is 'where is this process in
+// this hierarchy' (where==what path on the specific cgroupfs). By prefixing this path with the mount point of
+// *this specific* hierarchy, you can locate the relevant pseudo-files needed to read/set the data for this PID
+// in this hierarchy
+//
+// Also see http://man7.org/linux/man-pages/man7/cgroups.7.html
+type Cgroup struct {
+ // HierarchyID that can be matched to a named hierarchy using /proc/cgroups. Cgroups V2 only has one
+ // hierarchy, so HierarchyID is always 0. For cgroups v1 this is a unique ID number
+ HierarchyID int
+ // Controllers using this hierarchy of processes. Controllers are also known as subsystems. For
+ // Cgroups V2 this may be empty, as all active controllers use the same hierarchy
+ Controllers []string
+ // Path of this control group, relative to the mount point of the cgroupfs representing this specific
+ // hierarchy
+ Path string
+}
+
+// parseCgroupString parses each line of the /proc/[pid]/cgroup file
+// Line format is hierarchyID:[controller1,controller2]:path
+func parseCgroupString(cgroupStr string) (*Cgroup, error) {
+ var err error
+
+ fields := strings.Split(cgroupStr, ":")
+ if len(fields) < 3 {
+ return nil, fmt.Errorf("at least 3 fields required, found %d fields in cgroup string: %s", len(fields), cgroupStr)
+ }
+
+ cgroup := &Cgroup{
+ Path: fields[2],
+ Controllers: nil,
+ }
+ cgroup.HierarchyID, err = strconv.Atoi(fields[0])
+ if err != nil {
+ return nil, fmt.Errorf("failed to parse hierarchy ID")
+ }
+ if fields[1] != "" {
+ ssNames := strings.Split(fields[1], ",")
+ cgroup.Controllers = append(cgroup.Controllers, ssNames...)
+ }
+ return cgroup, nil
+}
+
+// parseCgroups reads each line of the /proc/[pid]/cgroup file
+func parseCgroups(data []byte) ([]Cgroup, error) {
+ var cgroups []Cgroup
+ scanner := bufio.NewScanner(bytes.NewReader(data))
+ for scanner.Scan() {
+ mountString := scanner.Text()
+ parsedMounts, err := parseCgroupString(mountString)
+ if err != nil {
+ return nil, err
+ }
+ cgroups = append(cgroups, *parsedMounts)
+ }
+
+ err := scanner.Err()
+ return cgroups, err
+}
+
+// Cgroups reads from /proc/<pid>/cgroups and returns a []*Cgroup struct locating this PID in each process
+// control hierarchy running on this system. On every system (v1 and v2), all hierarchies contain all processes,
+// so the len of the returned struct is equal to the number of active hierarchies on this system
+func (p Proc) Cgroups() ([]Cgroup, error) {
+ data, err := util.ReadFileNoStat(fmt.Sprintf("/proc/%d/cgroup", p.PID))
+ if err != nil {
+ return nil, err
+ }
+ return parseCgroups(data)
+}
diff --git a/vendor/github.com/prometheus/procfs/proc_environ.go b/vendor/github.com/prometheus/procfs/proc_environ.go
index 7172bb586..6134b3580 100644
--- a/vendor/github.com/prometheus/procfs/proc_environ.go
+++ b/vendor/github.com/prometheus/procfs/proc_environ.go
@@ -14,22 +14,16 @@
package procfs
import (
- "io/ioutil"
- "os"
"strings"
+
+ "github.com/prometheus/procfs/internal/util"
)
// Environ reads process environments from /proc/<pid>/environ
func (p Proc) Environ() ([]string, error) {
environments := make([]string, 0)
- f, err := os.Open(p.path("environ"))
- if err != nil {
- return environments, err
- }
- defer f.Close()
-
- data, err := ioutil.ReadAll(f)
+ data, err := util.ReadFileNoStat(p.path("environ"))
if err != nil {
return environments, err
}
diff --git a/vendor/github.com/prometheus/procfs/proc_fdinfo.go b/vendor/github.com/prometheus/procfs/proc_fdinfo.go
new file mode 100644
index 000000000..a76ca7079
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/proc_fdinfo.go
@@ -0,0 +1,133 @@
+// Copyright 2019 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package procfs
+
+import (
+ "bufio"
+ "bytes"
+ "errors"
+ "regexp"
+
+ "github.com/prometheus/procfs/internal/util"
+)
+
+// Regexp variables
+var (
+ rPos = regexp.MustCompile(`^pos:\s+(\d+)$`)
+ rFlags = regexp.MustCompile(`^flags:\s+(\d+)$`)
+ rMntID = regexp.MustCompile(`^mnt_id:\s+(\d+)$`)
+ rInotify = regexp.MustCompile(`^inotify`)
+ rInotifyParts = regexp.MustCompile(`^inotify\s+wd:([0-9a-f]+)\s+ino:([0-9a-f]+)\s+sdev:([0-9a-f]+)(?:\s+mask:([0-9a-f]+))?`)
+)
+
+// ProcFDInfo contains represents file descriptor information.
+type ProcFDInfo struct {
+ // File descriptor
+ FD string
+ // File offset
+ Pos string
+ // File access mode and status flags
+ Flags string
+ // Mount point ID
+ MntID string
+ // List of inotify lines (structured) in the fdinfo file (kernel 3.8+ only)
+ InotifyInfos []InotifyInfo
+}
+
+// FDInfo constructor. On kernels older than 3.8, InotifyInfos will always be empty.
+func (p Proc) FDInfo(fd string) (*ProcFDInfo, error) {
+ data, err := util.ReadFileNoStat(p.path("fdinfo", fd))
+ if err != nil {
+ return nil, err
+ }
+
+ var text, pos, flags, mntid string
+ var inotify []InotifyInfo
+
+ scanner := bufio.NewScanner(bytes.NewReader(data))
+ for scanner.Scan() {
+ text = scanner.Text()
+ if rPos.MatchString(text) {
+ pos = rPos.FindStringSubmatch(text)[1]
+ } else if rFlags.MatchString(text) {
+ flags = rFlags.FindStringSubmatch(text)[1]
+ } else if rMntID.MatchString(text) {
+ mntid = rMntID.FindStringSubmatch(text)[1]
+ } else if rInotify.MatchString(text) {
+ newInotify, err := parseInotifyInfo(text)
+ if err != nil {
+ return nil, err
+ }
+ inotify = append(inotify, *newInotify)
+ }
+ }
+
+ i := &ProcFDInfo{
+ FD: fd,
+ Pos: pos,
+ Flags: flags,
+ MntID: mntid,
+ InotifyInfos: inotify,
+ }
+
+ return i, nil
+}
+
+// InotifyInfo represents a single inotify line in the fdinfo file.
+type InotifyInfo struct {
+ // Watch descriptor number
+ WD string
+ // Inode number
+ Ino string
+ // Device ID
+ Sdev string
+ // Mask of events being monitored
+ Mask string
+}
+
+// InotifyInfo constructor. Only available on kernel 3.8+.
+func parseInotifyInfo(line string) (*InotifyInfo, error) {
+ m := rInotifyParts.FindStringSubmatch(line)
+ if len(m) >= 4 {
+ var mask string
+ if len(m) == 5 {
+ mask = m[4]
+ }
+ i := &InotifyInfo{
+ WD: m[1],
+ Ino: m[2],
+ Sdev: m[3],
+ Mask: mask,
+ }
+ return i, nil
+ }
+ return nil, errors.New("invalid inode entry: " + line)
+}
+
+// ProcFDInfos represents a list of ProcFDInfo structs.
+type ProcFDInfos []ProcFDInfo
+
+func (p ProcFDInfos) Len() int { return len(p) }
+func (p ProcFDInfos) Swap(i, j int) { p[i], p[j] = p[j], p[i] }
+func (p ProcFDInfos) Less(i, j int) bool { return p[i].FD < p[j].FD }
+
+// InotifyWatchLen returns the total number of inotify watches
+func (p ProcFDInfos) InotifyWatchLen() (int, error) {
+ length := 0
+ for _, f := range p {
+ length += len(f.InotifyInfos)
+ }
+
+ return length, nil
+}
diff --git a/vendor/github.com/prometheus/procfs/proc_io.go b/vendor/github.com/prometheus/procfs/proc_io.go
index 0ff89b1ce..776f34971 100644
--- a/vendor/github.com/prometheus/procfs/proc_io.go
+++ b/vendor/github.com/prometheus/procfs/proc_io.go
@@ -15,8 +15,8 @@ package procfs
import (
"fmt"
- "io/ioutil"
- "os"
+
+ "github.com/prometheus/procfs/internal/util"
)
// ProcIO models the content of /proc/<pid>/io.
@@ -43,13 +43,7 @@ type ProcIO struct {
func (p Proc) IO() (ProcIO, error) {
pio := ProcIO{}
- f, err := os.Open(p.path("io"))
- if err != nil {
- return pio, err
- }
- defer f.Close()
-
- data, err := ioutil.ReadAll(f)
+ data, err := util.ReadFileNoStat(p.path("io"))
if err != nil {
return pio, err
}
diff --git a/vendor/github.com/prometheus/procfs/proc_maps.go b/vendor/github.com/prometheus/procfs/proc_maps.go
new file mode 100644
index 000000000..1d7772d51
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/proc_maps.go
@@ -0,0 +1,209 @@
+// Copyright 2019 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
+
+package procfs
+
+import (
+ "bufio"
+ "fmt"
+ "os"
+ "strconv"
+ "strings"
+
+ "golang.org/x/sys/unix"
+)
+
+// ProcMapPermissions contains permission settings read from /proc/[pid]/maps
+type ProcMapPermissions struct {
+ // mapping has the [R]ead flag set
+ Read bool
+ // mapping has the [W]rite flag set
+ Write bool
+ // mapping has the [X]ecutable flag set
+ Execute bool
+ // mapping has the [S]hared flag set
+ Shared bool
+ // mapping is marked as [P]rivate (copy on write)
+ Private bool
+}
+
+// ProcMap contains the process memory-mappings of the process,
+// read from /proc/[pid]/maps
+type ProcMap struct {
+ // The start address of current mapping.
+ StartAddr uintptr
+ // The end address of the current mapping
+ EndAddr uintptr
+ // The permissions for this mapping
+ Perms *ProcMapPermissions
+ // The current offset into the file/fd (e.g., shared libs)
+ Offset int64
+ // Device owner of this mapping (major:minor) in Mkdev format.
+ Dev uint64
+ // The inode of the device above
+ Inode uint64
+ // The file or psuedofile (or empty==anonymous)
+ Pathname string
+}
+
+// parseDevice parses the device token of a line and converts it to a dev_t
+// (mkdev) like structure.
+func parseDevice(s string) (uint64, error) {
+ toks := strings.Split(s, ":")
+ if len(toks) < 2 {
+ return 0, fmt.Errorf("unexpected number of fields")
+ }
+
+ major, err := strconv.ParseUint(toks[0], 16, 0)
+ if err != nil {
+ return 0, err
+ }
+
+ minor, err := strconv.ParseUint(toks[1], 16, 0)
+ if err != nil {
+ return 0, err
+ }
+
+ return unix.Mkdev(uint32(major), uint32(minor)), nil
+}
+
+// parseAddress just converts a hex-string to a uintptr
+func parseAddress(s string) (uintptr, error) {
+ a, err := strconv.ParseUint(s, 16, 0)
+ if err != nil {
+ return 0, err
+ }
+
+ return uintptr(a), nil
+}
+
+// parseAddresses parses the start-end address
+func parseAddresses(s string) (uintptr, uintptr, error) {
+ toks := strings.Split(s, "-")
+ if len(toks) < 2 {
+ return 0, 0, fmt.Errorf("invalid address")
+ }
+
+ saddr, err := parseAddress(toks[0])
+ if err != nil {
+ return 0, 0, err
+ }
+
+ eaddr, err := parseAddress(toks[1])
+ if err != nil {
+ return 0, 0, err
+ }
+
+ return saddr, eaddr, nil
+}
+
+// parsePermissions parses a token and returns any that are set.
+func parsePermissions(s string) (*ProcMapPermissions, error) {
+ if len(s) < 4 {
+ return nil, fmt.Errorf("invalid permissions token")
+ }
+
+ perms := ProcMapPermissions{}
+ for _, ch := range s {
+ switch ch {
+ case 'r':
+ perms.Read = true
+ case 'w':
+ perms.Write = true
+ case 'x':
+ perms.Execute = true
+ case 'p':
+ perms.Private = true
+ case 's':
+ perms.Shared = true
+ }
+ }
+
+ return &perms, nil
+}
+
+// parseProcMap will attempt to parse a single line within a proc/[pid]/maps
+// buffer.
+func parseProcMap(text string) (*ProcMap, error) {
+ fields := strings.Fields(text)
+ if len(fields) < 5 {
+ return nil, fmt.Errorf("truncated procmap entry")
+ }
+
+ saddr, eaddr, err := parseAddresses(fields[0])
+ if err != nil {
+ return nil, err
+ }
+
+ perms, err := parsePermissions(fields[1])
+ if err != nil {
+ return nil, err
+ }
+
+ offset, err := strconv.ParseInt(fields[2], 16, 0)
+ if err != nil {
+ return nil, err
+ }
+
+ device, err := parseDevice(fields[3])
+ if err != nil {
+ return nil, err
+ }
+
+ inode, err := strconv.ParseUint(fields[4], 10, 0)
+ if err != nil {
+ return nil, err
+ }
+
+ pathname := ""
+
+ if len(fields) >= 5 {
+ pathname = strings.Join(fields[5:], " ")
+ }
+
+ return &ProcMap{
+ StartAddr: saddr,
+ EndAddr: eaddr,
+ Perms: perms,
+ Offset: offset,
+ Dev: device,
+ Inode: inode,
+ Pathname: pathname,
+ }, nil
+}
+
+// ProcMaps reads from /proc/[pid]/maps to get the memory-mappings of the
+// process.
+func (p Proc) ProcMaps() ([]*ProcMap, error) {
+ file, err := os.Open(p.path("maps"))
+ if err != nil {
+ return nil, err
+ }
+ defer file.Close()
+
+ maps := []*ProcMap{}
+ scan := bufio.NewScanner(file)
+
+ for scan.Scan() {
+ m, err := parseProcMap(scan.Text())
+ if err != nil {
+ return nil, err
+ }
+
+ maps = append(maps, m)
+ }
+
+ return maps, nil
+}
diff --git a/vendor/github.com/prometheus/procfs/proc_psi.go b/vendor/github.com/prometheus/procfs/proc_psi.go
index 46fe26626..0d7bee54c 100644
--- a/vendor/github.com/prometheus/procfs/proc_psi.go
+++ b/vendor/github.com/prometheus/procfs/proc_psi.go
@@ -24,11 +24,13 @@ package procfs
// > full avg10=0.00 avg60=0.13 avg300=0.96 total=8183134
import (
+ "bufio"
+ "bytes"
"fmt"
"io"
- "io/ioutil"
- "os"
"strings"
+
+ "github.com/prometheus/procfs/internal/util"
)
const lineFormat = "avg10=%f avg60=%f avg300=%f total=%d"
@@ -55,24 +57,21 @@ type PSIStats struct {
// resource from /proc/pressure/<resource>. At time of writing this can be
// either "cpu", "memory" or "io".
func (fs FS) PSIStatsForResource(resource string) (PSIStats, error) {
- file, err := os.Open(fs.proc.Path(fmt.Sprintf("%s/%s", "pressure", resource)))
+ data, err := util.ReadFileNoStat(fs.proc.Path(fmt.Sprintf("%s/%s", "pressure", resource)))
if err != nil {
return PSIStats{}, fmt.Errorf("psi_stats: unavailable for %s", resource)
}
- defer file.Close()
- return parsePSIStats(resource, file)
+ return parsePSIStats(resource, bytes.NewReader(data))
}
// parsePSIStats parses the specified file for pressure stall information
-func parsePSIStats(resource string, file io.Reader) (PSIStats, error) {
+func parsePSIStats(resource string, r io.Reader) (PSIStats, error) {
psiStats := PSIStats{}
- stats, err := ioutil.ReadAll(file)
- if err != nil {
- return psiStats, fmt.Errorf("psi_stats: unable to read data for %s", resource)
- }
- for _, l := range strings.Split(string(stats), "\n") {
+ scanner := bufio.NewScanner(r)
+ for scanner.Scan() {
+ l := scanner.Text()
prefix := strings.Split(l, " ")[0]
switch prefix {
case "some":
diff --git a/vendor/github.com/prometheus/procfs/proc_smaps.go b/vendor/github.com/prometheus/procfs/proc_smaps.go
new file mode 100644
index 000000000..a576a720a
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/proc_smaps.go
@@ -0,0 +1,165 @@
+// Copyright 2020 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build !windows
+
+package procfs
+
+import (
+ "bufio"
+ "errors"
+ "fmt"
+ "os"
+ "regexp"
+ "strconv"
+ "strings"
+
+ "github.com/prometheus/procfs/internal/util"
+)
+
+var (
+ // match the header line before each mapped zone in /proc/pid/smaps
+ procSMapsHeaderLine = regexp.MustCompile(`^[a-f0-9].*$`)
+)
+
+type ProcSMapsRollup struct {
+ // Amount of the mapping that is currently resident in RAM
+ Rss uint64
+ // Process's proportional share of this mapping
+ Pss uint64
+ // Size in bytes of clean shared pages
+ SharedClean uint64
+ // Size in bytes of dirty shared pages
+ SharedDirty uint64
+ // Size in bytes of clean private pages
+ PrivateClean uint64
+ // Size in bytes of dirty private pages
+ PrivateDirty uint64
+ // Amount of memory currently marked as referenced or accessed
+ Referenced uint64
+ // Amount of memory that does not belong to any file
+ Anonymous uint64
+ // Amount would-be-anonymous memory currently on swap
+ Swap uint64
+ // Process's proportional memory on swap
+ SwapPss uint64
+}
+
+// ProcSMapsRollup reads from /proc/[pid]/smaps_rollup to get summed memory information of the
+// process.
+//
+// If smaps_rollup does not exists (require kernel >= 4.15), the content of /proc/pid/smaps will
+// we read and summed.
+func (p Proc) ProcSMapsRollup() (ProcSMapsRollup, error) {
+ data, err := util.ReadFileNoStat(p.path("smaps_rollup"))
+ if err != nil && os.IsNotExist(err) {
+ return p.procSMapsRollupManual()
+ }
+ if err != nil {
+ return ProcSMapsRollup{}, err
+ }
+
+ lines := strings.Split(string(data), "\n")
+ smaps := ProcSMapsRollup{}
+
+ // skip first line which don't contains information we need
+ lines = lines[1:]
+ for _, line := range lines {
+ if line == "" {
+ continue
+ }
+
+ if err := smaps.parseLine(line); err != nil {
+ return ProcSMapsRollup{}, err
+ }
+ }
+
+ return smaps, nil
+}
+
+// Read /proc/pid/smaps and do the roll-up in Go code.
+func (p Proc) procSMapsRollupManual() (ProcSMapsRollup, error) {
+ file, err := os.Open(p.path("smaps"))
+ if err != nil {
+ return ProcSMapsRollup{}, err
+ }
+ defer file.Close()
+
+ smaps := ProcSMapsRollup{}
+ scan := bufio.NewScanner(file)
+
+ for scan.Scan() {
+ line := scan.Text()
+
+ if procSMapsHeaderLine.MatchString(line) {
+ continue
+ }
+
+ if err := smaps.parseLine(line); err != nil {
+ return ProcSMapsRollup{}, err
+ }
+ }
+
+ return smaps, nil
+}
+
+func (s *ProcSMapsRollup) parseLine(line string) error {
+ kv := strings.SplitN(line, ":", 2)
+ if len(kv) != 2 {
+ fmt.Println(line)
+ return errors.New("invalid net/dev line, missing colon")
+ }
+
+ k := kv[0]
+ if k == "VmFlags" {
+ return nil
+ }
+
+ v := strings.TrimSpace(kv[1])
+ v = strings.TrimRight(v, " kB")
+
+ vKBytes, err := strconv.ParseUint(v, 10, 64)
+ if err != nil {
+ return err
+ }
+ vBytes := vKBytes * 1024
+
+ s.addValue(k, v, vKBytes, vBytes)
+
+ return nil
+}
+
+func (s *ProcSMapsRollup) addValue(k string, vString string, vUint uint64, vUintBytes uint64) {
+ switch k {
+ case "Rss":
+ s.Rss += vUintBytes
+ case "Pss":
+ s.Pss += vUintBytes
+ case "Shared_Clean":
+ s.SharedClean += vUintBytes
+ case "Shared_Dirty":
+ s.SharedDirty += vUintBytes
+ case "Private_Clean":
+ s.PrivateClean += vUintBytes
+ case "Private_Dirty":
+ s.PrivateDirty += vUintBytes
+ case "Referenced":
+ s.Referenced += vUintBytes
+ case "Anonymous":
+ s.Anonymous += vUintBytes
+ case "Swap":
+ s.Swap += vUintBytes
+ case "SwapPss":
+ s.SwapPss += vUintBytes
+ }
+}
diff --git a/vendor/github.com/prometheus/procfs/proc_stat.go b/vendor/github.com/prometheus/procfs/proc_stat.go
index dbde1fa0d..4517d2e9d 100644
--- a/vendor/github.com/prometheus/procfs/proc_stat.go
+++ b/vendor/github.com/prometheus/procfs/proc_stat.go
@@ -16,10 +16,10 @@ package procfs
import (
"bytes"
"fmt"
- "io/ioutil"
"os"
"github.com/prometheus/procfs/internal/fs"
+ "github.com/prometheus/procfs/internal/util"
)
// Originally, this USER_HZ value was dynamically retrieved via a sysconf call
@@ -113,13 +113,7 @@ func (p Proc) NewStat() (ProcStat, error) {
// Stat returns the current status information of the process.
func (p Proc) Stat() (ProcStat, error) {
- f, err := os.Open(p.path("stat"))
- if err != nil {
- return ProcStat{}, err
- }
- defer f.Close()
-
- data, err := ioutil.ReadAll(f)
+ data, err := util.ReadFileNoStat(p.path("stat"))
if err != nil {
return ProcStat{}, err
}
diff --git a/vendor/github.com/prometheus/procfs/proc_status.go b/vendor/github.com/prometheus/procfs/proc_status.go
index 6b4b61f71..6edd8333b 100644
--- a/vendor/github.com/prometheus/procfs/proc_status.go
+++ b/vendor/github.com/prometheus/procfs/proc_status.go
@@ -15,13 +15,13 @@ package procfs
import (
"bytes"
- "io/ioutil"
- "os"
"strconv"
"strings"
+
+ "github.com/prometheus/procfs/internal/util"
)
-// ProcStat provides status information about the process,
+// ProcStatus provides status information about the process,
// read from /proc/[pid]/stat.
type ProcStatus struct {
// The process ID.
@@ -29,38 +29,41 @@ type ProcStatus struct {
// The process name.
Name string
+ // Thread group ID.
+ TGID int
+
// Peak virtual memory size.
- VmPeak uint64
+ VmPeak uint64 // nolint:golint
// Virtual memory size.
- VmSize uint64
+ VmSize uint64 // nolint:golint
// Locked memory size.
- VmLck uint64
+ VmLck uint64 // nolint:golint
// Pinned memory size.
- VmPin uint64
+ VmPin uint64 // nolint:golint
// Peak resident set size.
- VmHWM uint64
+ VmHWM uint64 // nolint:golint
// Resident set size (sum of RssAnnon RssFile and RssShmem).
- VmRSS uint64
+ VmRSS uint64 // nolint:golint
// Size of resident anonymous memory.
- RssAnon uint64
+ RssAnon uint64 // nolint:golint
// Size of resident file mappings.
- RssFile uint64
+ RssFile uint64 // nolint:golint
// Size of resident shared memory.
- RssShmem uint64
+ RssShmem uint64 // nolint:golint
// Size of data segments.
- VmData uint64
+ VmData uint64 // nolint:golint
// Size of stack segments.
- VmStk uint64
+ VmStk uint64 // nolint:golint
// Size of text segments.
- VmExe uint64
+ VmExe uint64 // nolint:golint
// Shared library code size.
- VmLib uint64
+ VmLib uint64 // nolint:golint
// Page table entries size.
- VmPTE uint64
+ VmPTE uint64 // nolint:golint
// Size of second-level page tables.
- VmPMD uint64
+ VmPMD uint64 // nolint:golint
// Swapped-out virtual memory size by anonymous private.
- VmSwap uint64
+ VmSwap uint64 // nolint:golint
// Size of hugetlb memory portions
HugetlbPages uint64
@@ -68,17 +71,16 @@ type ProcStatus struct {
VoluntaryCtxtSwitches uint64
// Number of involuntary context switches.
NonVoluntaryCtxtSwitches uint64
+
+ // UIDs of the process (Real, effective, saved set, and filesystem UIDs)
+ UIDs [4]string
+ // GIDs of the process (Real, effective, saved set, and filesystem GIDs)
+ GIDs [4]string
}
// NewStatus returns the current status information of the process.
func (p Proc) NewStatus() (ProcStatus, error) {
- f, err := os.Open(p.path("status"))
- if err != nil {
- return ProcStatus{}, err
- }
- defer f.Close()
-
- data, err := ioutil.ReadAll(f)
+ data, err := util.ReadFileNoStat(p.path("status"))
if err != nil {
return ProcStatus{}, err
}
@@ -113,8 +115,14 @@ func (p Proc) NewStatus() (ProcStatus, error) {
func (s *ProcStatus) fillStatus(k string, vString string, vUint uint64, vUintBytes uint64) {
switch k {
+ case "Tgid":
+ s.TGID = int(vUint)
case "Name":
s.Name = vString
+ case "Uid":
+ copy(s.UIDs[:], strings.Split(vString, "\t"))
+ case "Gid":
+ copy(s.GIDs[:], strings.Split(vString, "\t"))
case "VmPeak":
s.VmPeak = vUintBytes
case "VmSize":
diff --git a/vendor/github.com/prometheus/procfs/schedstat.go b/vendor/github.com/prometheus/procfs/schedstat.go
new file mode 100644
index 000000000..a4c4089ac
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/schedstat.go
@@ -0,0 +1,118 @@
+// Copyright 2019 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package procfs
+
+import (
+ "bufio"
+ "errors"
+ "os"
+ "regexp"
+ "strconv"
+)
+
+var (
+ cpuLineRE = regexp.MustCompile(`cpu(\d+) (\d+) (\d+) (\d+) (\d+) (\d+) (\d+) (\d+) (\d+) (\d+)`)
+ procLineRE = regexp.MustCompile(`(\d+) (\d+) (\d+)`)
+)
+
+// Schedstat contains scheduler statistics from /proc/schedstat
+//
+// See
+// https://www.kernel.org/doc/Documentation/scheduler/sched-stats.txt
+// for a detailed description of what these numbers mean.
+//
+// Note the current kernel documentation claims some of the time units are in
+// jiffies when they are actually in nanoseconds since 2.6.23 with the
+// introduction of CFS. A fix to the documentation is pending. See
+// https://lore.kernel.org/patchwork/project/lkml/list/?series=403473
+type Schedstat struct {
+ CPUs []*SchedstatCPU
+}
+
+// SchedstatCPU contains the values from one "cpu<N>" line
+type SchedstatCPU struct {
+ CPUNum string
+
+ RunningNanoseconds uint64
+ WaitingNanoseconds uint64
+ RunTimeslices uint64
+}
+
+// ProcSchedstat contains the values from /proc/<pid>/schedstat
+type ProcSchedstat struct {
+ RunningNanoseconds uint64
+ WaitingNanoseconds uint64
+ RunTimeslices uint64
+}
+
+// Schedstat reads data from /proc/schedstat
+func (fs FS) Schedstat() (*Schedstat, error) {
+ file, err := os.Open(fs.proc.Path("schedstat"))
+ if err != nil {
+ return nil, err
+ }
+ defer file.Close()
+
+ stats := &Schedstat{}
+ scanner := bufio.NewScanner(file)
+
+ for scanner.Scan() {
+ match := cpuLineRE.FindStringSubmatch(scanner.Text())
+ if match != nil {
+ cpu := &SchedstatCPU{}
+ cpu.CPUNum = match[1]
+
+ cpu.RunningNanoseconds, err = strconv.ParseUint(match[8], 10, 64)
+ if err != nil {
+ continue
+ }
+
+ cpu.WaitingNanoseconds, err = strconv.ParseUint(match[9], 10, 64)
+ if err != nil {
+ continue
+ }
+
+ cpu.RunTimeslices, err = strconv.ParseUint(match[10], 10, 64)
+ if err != nil {
+ continue
+ }
+
+ stats.CPUs = append(stats.CPUs, cpu)
+ }
+ }
+
+ return stats, nil
+}
+
+func parseProcSchedstat(contents string) (stats ProcSchedstat, err error) {
+ match := procLineRE.FindStringSubmatch(contents)
+
+ if match != nil {
+ stats.RunningNanoseconds, err = strconv.ParseUint(match[1], 10, 64)
+ if err != nil {
+ return
+ }
+
+ stats.WaitingNanoseconds, err = strconv.ParseUint(match[2], 10, 64)
+ if err != nil {
+ return
+ }
+
+ stats.RunTimeslices, err = strconv.ParseUint(match[3], 10, 64)
+ return
+ }
+
+ err = errors.New("could not parse schedstat")
+ return
+}
diff --git a/vendor/github.com/prometheus/procfs/stat.go b/vendor/github.com/prometheus/procfs/stat.go
index 6661ee03a..b2a6fc994 100644
--- a/vendor/github.com/prometheus/procfs/stat.go
+++ b/vendor/github.com/prometheus/procfs/stat.go
@@ -15,13 +15,14 @@ package procfs
import (
"bufio"
+ "bytes"
"fmt"
"io"
- "os"
"strconv"
"strings"
"github.com/prometheus/procfs/internal/fs"
+ "github.com/prometheus/procfs/internal/util"
)
// CPUStat shows how much time the cpu spend in various stages.
@@ -164,16 +165,15 @@ func (fs FS) NewStat() (Stat, error) {
// Stat returns information about current cpu/process statistics.
// See https://www.kernel.org/doc/Documentation/filesystems/proc.txt
func (fs FS) Stat() (Stat, error) {
-
- f, err := os.Open(fs.proc.Path("stat"))
+ fileName := fs.proc.Path("stat")
+ data, err := util.ReadFileNoStat(fileName)
if err != nil {
return Stat{}, err
}
- defer f.Close()
stat := Stat{}
- scanner := bufio.NewScanner(f)
+ scanner := bufio.NewScanner(bytes.NewReader(data))
for scanner.Scan() {
line := scanner.Text()
parts := strings.Fields(scanner.Text())
@@ -237,7 +237,7 @@ func (fs FS) Stat() (Stat, error) {
}
if err := scanner.Err(); err != nil {
- return Stat{}, fmt.Errorf("couldn't parse %s: %s", f.Name(), err)
+ return Stat{}, fmt.Errorf("couldn't parse %s: %s", fileName, err)
}
return stat, nil
diff --git a/vendor/github.com/prometheus/procfs/swaps.go b/vendor/github.com/prometheus/procfs/swaps.go
new file mode 100644
index 000000000..15edc2212
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/swaps.go
@@ -0,0 +1,89 @@
+// Copyright 2019 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package procfs
+
+import (
+ "bufio"
+ "bytes"
+ "fmt"
+ "strconv"
+ "strings"
+
+ "github.com/prometheus/procfs/internal/util"
+)
+
+// Swap represents an entry in /proc/swaps.
+type Swap struct {
+ Filename string
+ Type string
+ Size int
+ Used int
+ Priority int
+}
+
+// Swaps returns a slice of all configured swap devices on the system.
+func (fs FS) Swaps() ([]*Swap, error) {
+ data, err := util.ReadFileNoStat(fs.proc.Path("swaps"))
+ if err != nil {
+ return nil, err
+ }
+ return parseSwaps(data)
+}
+
+func parseSwaps(info []byte) ([]*Swap, error) {
+ swaps := []*Swap{}
+ scanner := bufio.NewScanner(bytes.NewReader(info))
+ scanner.Scan() // ignore header line
+ for scanner.Scan() {
+ swapString := scanner.Text()
+ parsedSwap, err := parseSwapString(swapString)
+ if err != nil {
+ return nil, err
+ }
+ swaps = append(swaps, parsedSwap)
+ }
+
+ err := scanner.Err()
+ return swaps, err
+}
+
+func parseSwapString(swapString string) (*Swap, error) {
+ var err error
+
+ swapFields := strings.Fields(swapString)
+ swapLength := len(swapFields)
+ if swapLength < 5 {
+ return nil, fmt.Errorf("too few fields in swap string: %s", swapString)
+ }
+
+ swap := &Swap{
+ Filename: swapFields[0],
+ Type: swapFields[1],
+ }
+
+ swap.Size, err = strconv.Atoi(swapFields[2])
+ if err != nil {
+ return nil, fmt.Errorf("invalid swap size: %s", swapFields[2])
+ }
+ swap.Used, err = strconv.Atoi(swapFields[3])
+ if err != nil {
+ return nil, fmt.Errorf("invalid swap used: %s", swapFields[3])
+ }
+ swap.Priority, err = strconv.Atoi(swapFields[4])
+ if err != nil {
+ return nil, fmt.Errorf("invalid swap priority: %s", swapFields[4])
+ }
+
+ return swap, nil
+}
diff --git a/vendor/github.com/prometheus/procfs/vm.go b/vendor/github.com/prometheus/procfs/vm.go
new file mode 100644
index 000000000..cb1389141
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/vm.go
@@ -0,0 +1,210 @@
+// Copyright 2019 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build !windows
+
+package procfs
+
+import (
+ "fmt"
+ "io/ioutil"
+ "os"
+ "path/filepath"
+ "strings"
+
+ "github.com/prometheus/procfs/internal/util"
+)
+
+// The VM interface is described at
+// https://www.kernel.org/doc/Documentation/sysctl/vm.txt
+// Each setting is exposed as a single file.
+// Each file contains one line with a single numerical value, except lowmem_reserve_ratio which holds an array
+// and numa_zonelist_order (deprecated) which is a string
+type VM struct {
+ AdminReserveKbytes *int64 // /proc/sys/vm/admin_reserve_kbytes
+ BlockDump *int64 // /proc/sys/vm/block_dump
+ CompactUnevictableAllowed *int64 // /proc/sys/vm/compact_unevictable_allowed
+ DirtyBackgroundBytes *int64 // /proc/sys/vm/dirty_background_bytes
+ DirtyBackgroundRatio *int64 // /proc/sys/vm/dirty_background_ratio
+ DirtyBytes *int64 // /proc/sys/vm/dirty_bytes
+ DirtyExpireCentisecs *int64 // /proc/sys/vm/dirty_expire_centisecs
+ DirtyRatio *int64 // /proc/sys/vm/dirty_ratio
+ DirtytimeExpireSeconds *int64 // /proc/sys/vm/dirtytime_expire_seconds
+ DirtyWritebackCentisecs *int64 // /proc/sys/vm/dirty_writeback_centisecs
+ DropCaches *int64 // /proc/sys/vm/drop_caches
+ ExtfragThreshold *int64 // /proc/sys/vm/extfrag_threshold
+ HugetlbShmGroup *int64 // /proc/sys/vm/hugetlb_shm_group
+ LaptopMode *int64 // /proc/sys/vm/laptop_mode
+ LegacyVaLayout *int64 // /proc/sys/vm/legacy_va_layout
+ LowmemReserveRatio []*int64 // /proc/sys/vm/lowmem_reserve_ratio
+ MaxMapCount *int64 // /proc/sys/vm/max_map_count
+ MemoryFailureEarlyKill *int64 // /proc/sys/vm/memory_failure_early_kill
+ MemoryFailureRecovery *int64 // /proc/sys/vm/memory_failure_recovery
+ MinFreeKbytes *int64 // /proc/sys/vm/min_free_kbytes
+ MinSlabRatio *int64 // /proc/sys/vm/min_slab_ratio
+ MinUnmappedRatio *int64 // /proc/sys/vm/min_unmapped_ratio
+ MmapMinAddr *int64 // /proc/sys/vm/mmap_min_addr
+ NrHugepages *int64 // /proc/sys/vm/nr_hugepages
+ NrHugepagesMempolicy *int64 // /proc/sys/vm/nr_hugepages_mempolicy
+ NrOvercommitHugepages *int64 // /proc/sys/vm/nr_overcommit_hugepages
+ NumaStat *int64 // /proc/sys/vm/numa_stat
+ NumaZonelistOrder string // /proc/sys/vm/numa_zonelist_order
+ OomDumpTasks *int64 // /proc/sys/vm/oom_dump_tasks
+ OomKillAllocatingTask *int64 // /proc/sys/vm/oom_kill_allocating_task
+ OvercommitKbytes *int64 // /proc/sys/vm/overcommit_kbytes
+ OvercommitMemory *int64 // /proc/sys/vm/overcommit_memory
+ OvercommitRatio *int64 // /proc/sys/vm/overcommit_ratio
+ PageCluster *int64 // /proc/sys/vm/page-cluster
+ PanicOnOom *int64 // /proc/sys/vm/panic_on_oom
+ PercpuPagelistFraction *int64 // /proc/sys/vm/percpu_pagelist_fraction
+ StatInterval *int64 // /proc/sys/vm/stat_interval
+ Swappiness *int64 // /proc/sys/vm/swappiness
+ UserReserveKbytes *int64 // /proc/sys/vm/user_reserve_kbytes
+ VfsCachePressure *int64 // /proc/sys/vm/vfs_cache_pressure
+ WatermarkBoostFactor *int64 // /proc/sys/vm/watermark_boost_factor
+ WatermarkScaleFactor *int64 // /proc/sys/vm/watermark_scale_factor
+ ZoneReclaimMode *int64 // /proc/sys/vm/zone_reclaim_mode
+}
+
+// VM reads the VM statistics from the specified `proc` filesystem.
+func (fs FS) VM() (*VM, error) {
+ path := fs.proc.Path("sys/vm")
+ file, err := os.Stat(path)
+ if err != nil {
+ return nil, err
+ }
+ if !file.Mode().IsDir() {
+ return nil, fmt.Errorf("%s is not a directory", path)
+ }
+
+ files, err := ioutil.ReadDir(path)
+ if err != nil {
+ return nil, err
+ }
+
+ var vm VM
+ for _, f := range files {
+ if f.IsDir() {
+ continue
+ }
+
+ name := filepath.Join(path, f.Name())
+ // ignore errors on read, as there are some write only
+ // in /proc/sys/vm
+ value, err := util.SysReadFile(name)
+ if err != nil {
+ continue
+ }
+ vp := util.NewValueParser(value)
+
+ switch f.Name() {
+ case "admin_reserve_kbytes":
+ vm.AdminReserveKbytes = vp.PInt64()
+ case "block_dump":
+ vm.BlockDump = vp.PInt64()
+ case "compact_unevictable_allowed":
+ vm.CompactUnevictableAllowed = vp.PInt64()
+ case "dirty_background_bytes":
+ vm.DirtyBackgroundBytes = vp.PInt64()
+ case "dirty_background_ratio":
+ vm.DirtyBackgroundRatio = vp.PInt64()
+ case "dirty_bytes":
+ vm.DirtyBytes = vp.PInt64()
+ case "dirty_expire_centisecs":
+ vm.DirtyExpireCentisecs = vp.PInt64()
+ case "dirty_ratio":
+ vm.DirtyRatio = vp.PInt64()
+ case "dirtytime_expire_seconds":
+ vm.DirtytimeExpireSeconds = vp.PInt64()
+ case "dirty_writeback_centisecs":
+ vm.DirtyWritebackCentisecs = vp.PInt64()
+ case "drop_caches":
+ vm.DropCaches = vp.PInt64()
+ case "extfrag_threshold":
+ vm.ExtfragThreshold = vp.PInt64()
+ case "hugetlb_shm_group":
+ vm.HugetlbShmGroup = vp.PInt64()
+ case "laptop_mode":
+ vm.LaptopMode = vp.PInt64()
+ case "legacy_va_layout":
+ vm.LegacyVaLayout = vp.PInt64()
+ case "lowmem_reserve_ratio":
+ stringSlice := strings.Fields(value)
+ pint64Slice := make([]*int64, 0, len(stringSlice))
+ for _, value := range stringSlice {
+ vp := util.NewValueParser(value)
+ pint64Slice = append(pint64Slice, vp.PInt64())
+ }
+ vm.LowmemReserveRatio = pint64Slice
+ case "max_map_count":
+ vm.MaxMapCount = vp.PInt64()
+ case "memory_failure_early_kill":
+ vm.MemoryFailureEarlyKill = vp.PInt64()
+ case "memory_failure_recovery":
+ vm.MemoryFailureRecovery = vp.PInt64()
+ case "min_free_kbytes":
+ vm.MinFreeKbytes = vp.PInt64()
+ case "min_slab_ratio":
+ vm.MinSlabRatio = vp.PInt64()
+ case "min_unmapped_ratio":
+ vm.MinUnmappedRatio = vp.PInt64()
+ case "mmap_min_addr":
+ vm.MmapMinAddr = vp.PInt64()
+ case "nr_hugepages":
+ vm.NrHugepages = vp.PInt64()
+ case "nr_hugepages_mempolicy":
+ vm.NrHugepagesMempolicy = vp.PInt64()
+ case "nr_overcommit_hugepages":
+ vm.NrOvercommitHugepages = vp.PInt64()
+ case "numa_stat":
+ vm.NumaStat = vp.PInt64()
+ case "numa_zonelist_order":
+ vm.NumaZonelistOrder = value
+ case "oom_dump_tasks":
+ vm.OomDumpTasks = vp.PInt64()
+ case "oom_kill_allocating_task":
+ vm.OomKillAllocatingTask = vp.PInt64()
+ case "overcommit_kbytes":
+ vm.OvercommitKbytes = vp.PInt64()
+ case "overcommit_memory":
+ vm.OvercommitMemory = vp.PInt64()
+ case "overcommit_ratio":
+ vm.OvercommitRatio = vp.PInt64()
+ case "page-cluster":
+ vm.PageCluster = vp.PInt64()
+ case "panic_on_oom":
+ vm.PanicOnOom = vp.PInt64()
+ case "percpu_pagelist_fraction":
+ vm.PercpuPagelistFraction = vp.PInt64()
+ case "stat_interval":
+ vm.StatInterval = vp.PInt64()
+ case "swappiness":
+ vm.Swappiness = vp.PInt64()
+ case "user_reserve_kbytes":
+ vm.UserReserveKbytes = vp.PInt64()
+ case "vfs_cache_pressure":
+ vm.VfsCachePressure = vp.PInt64()
+ case "watermark_boost_factor":
+ vm.WatermarkBoostFactor = vp.PInt64()
+ case "watermark_scale_factor":
+ vm.WatermarkScaleFactor = vp.PInt64()
+ case "zone_reclaim_mode":
+ vm.ZoneReclaimMode = vp.PInt64()
+ }
+ if err := vp.Err(); err != nil {
+ return nil, err
+ }
+ }
+
+ return &vm, nil
+}
diff --git a/vendor/github.com/prometheus/procfs/zoneinfo.go b/vendor/github.com/prometheus/procfs/zoneinfo.go
new file mode 100644
index 000000000..e941503d5
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/zoneinfo.go
@@ -0,0 +1,196 @@
+// Copyright 2019 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build !windows
+
+package procfs
+
+import (
+ "bytes"
+ "fmt"
+ "io/ioutil"
+ "regexp"
+ "strings"
+
+ "github.com/prometheus/procfs/internal/util"
+)
+
+// Zoneinfo holds info parsed from /proc/zoneinfo.
+type Zoneinfo struct {
+ Node string
+ Zone string
+ NrFreePages *int64
+ Min *int64
+ Low *int64
+ High *int64
+ Scanned *int64
+ Spanned *int64
+ Present *int64
+ Managed *int64
+ NrActiveAnon *int64
+ NrInactiveAnon *int64
+ NrIsolatedAnon *int64
+ NrAnonPages *int64
+ NrAnonTransparentHugepages *int64
+ NrActiveFile *int64
+ NrInactiveFile *int64
+ NrIsolatedFile *int64
+ NrFilePages *int64
+ NrSlabReclaimable *int64
+ NrSlabUnreclaimable *int64
+ NrMlockStack *int64
+ NrKernelStack *int64
+ NrMapped *int64
+ NrDirty *int64
+ NrWriteback *int64
+ NrUnevictable *int64
+ NrShmem *int64
+ NrDirtied *int64
+ NrWritten *int64
+ NumaHit *int64
+ NumaMiss *int64
+ NumaForeign *int64
+ NumaInterleave *int64
+ NumaLocal *int64
+ NumaOther *int64
+ Protection []*int64
+}
+
+var nodeZoneRE = regexp.MustCompile(`(\d+), zone\s+(\w+)`)
+
+// Zoneinfo parses an zoneinfo-file (/proc/zoneinfo) and returns a slice of
+// structs containing the relevant info. More information available here:
+// https://www.kernel.org/doc/Documentation/sysctl/vm.txt
+func (fs FS) Zoneinfo() ([]Zoneinfo, error) {
+ data, err := ioutil.ReadFile(fs.proc.Path("zoneinfo"))
+ if err != nil {
+ return nil, fmt.Errorf("error reading zoneinfo %s: %s", fs.proc.Path("zoneinfo"), err)
+ }
+ zoneinfo, err := parseZoneinfo(data)
+ if err != nil {
+ return nil, fmt.Errorf("error parsing zoneinfo %s: %s", fs.proc.Path("zoneinfo"), err)
+ }
+ return zoneinfo, nil
+}
+
+func parseZoneinfo(zoneinfoData []byte) ([]Zoneinfo, error) {
+
+ zoneinfo := []Zoneinfo{}
+
+ zoneinfoBlocks := bytes.Split(zoneinfoData, []byte("\nNode"))
+ for _, block := range zoneinfoBlocks {
+ var zoneinfoElement Zoneinfo
+ lines := strings.Split(string(block), "\n")
+ for _, line := range lines {
+
+ if nodeZone := nodeZoneRE.FindStringSubmatch(line); nodeZone != nil {
+ zoneinfoElement.Node = nodeZone[1]
+ zoneinfoElement.Zone = nodeZone[2]
+ continue
+ }
+ if strings.HasPrefix(strings.TrimSpace(line), "per-node stats") {
+ zoneinfoElement.Zone = ""
+ continue
+ }
+ parts := strings.Fields(strings.TrimSpace(line))
+ if len(parts) < 2 {
+ continue
+ }
+ vp := util.NewValueParser(parts[1])
+ switch parts[0] {
+ case "nr_free_pages":
+ zoneinfoElement.NrFreePages = vp.PInt64()
+ case "min":
+ zoneinfoElement.Min = vp.PInt64()
+ case "low":
+ zoneinfoElement.Low = vp.PInt64()
+ case "high":
+ zoneinfoElement.High = vp.PInt64()
+ case "scanned":
+ zoneinfoElement.Scanned = vp.PInt64()
+ case "spanned":
+ zoneinfoElement.Spanned = vp.PInt64()
+ case "present":
+ zoneinfoElement.Present = vp.PInt64()
+ case "managed":
+ zoneinfoElement.Managed = vp.PInt64()
+ case "nr_active_anon":
+ zoneinfoElement.NrActiveAnon = vp.PInt64()
+ case "nr_inactive_anon":
+ zoneinfoElement.NrInactiveAnon = vp.PInt64()
+ case "nr_isolated_anon":
+ zoneinfoElement.NrIsolatedAnon = vp.PInt64()
+ case "nr_anon_pages":
+ zoneinfoElement.NrAnonPages = vp.PInt64()
+ case "nr_anon_transparent_hugepages":
+ zoneinfoElement.NrAnonTransparentHugepages = vp.PInt64()
+ case "nr_active_file":
+ zoneinfoElement.NrActiveFile = vp.PInt64()
+ case "nr_inactive_file":
+ zoneinfoElement.NrInactiveFile = vp.PInt64()
+ case "nr_isolated_file":
+ zoneinfoElement.NrIsolatedFile = vp.PInt64()
+ case "nr_file_pages":
+ zoneinfoElement.NrFilePages = vp.PInt64()
+ case "nr_slab_reclaimable":
+ zoneinfoElement.NrSlabReclaimable = vp.PInt64()
+ case "nr_slab_unreclaimable":
+ zoneinfoElement.NrSlabUnreclaimable = vp.PInt64()
+ case "nr_mlock_stack":
+ zoneinfoElement.NrMlockStack = vp.PInt64()
+ case "nr_kernel_stack":
+ zoneinfoElement.NrKernelStack = vp.PInt64()
+ case "nr_mapped":
+ zoneinfoElement.NrMapped = vp.PInt64()
+ case "nr_dirty":
+ zoneinfoElement.NrDirty = vp.PInt64()
+ case "nr_writeback":
+ zoneinfoElement.NrWriteback = vp.PInt64()
+ case "nr_unevictable":
+ zoneinfoElement.NrUnevictable = vp.PInt64()
+ case "nr_shmem":
+ zoneinfoElement.NrShmem = vp.PInt64()
+ case "nr_dirtied":
+ zoneinfoElement.NrDirtied = vp.PInt64()
+ case "nr_written":
+ zoneinfoElement.NrWritten = vp.PInt64()
+ case "numa_hit":
+ zoneinfoElement.NumaHit = vp.PInt64()
+ case "numa_miss":
+ zoneinfoElement.NumaMiss = vp.PInt64()
+ case "numa_foreign":
+ zoneinfoElement.NumaForeign = vp.PInt64()
+ case "numa_interleave":
+ zoneinfoElement.NumaInterleave = vp.PInt64()
+ case "numa_local":
+ zoneinfoElement.NumaLocal = vp.PInt64()
+ case "numa_other":
+ zoneinfoElement.NumaOther = vp.PInt64()
+ case "protection:":
+ protectionParts := strings.Split(line, ":")
+ protectionValues := strings.Replace(protectionParts[1], "(", "", 1)
+ protectionValues = strings.Replace(protectionValues, ")", "", 1)
+ protectionValues = strings.TrimSpace(protectionValues)
+ protectionStringMap := strings.Split(protectionValues, ", ")
+ val, err := util.ParsePInt64s(protectionStringMap)
+ if err == nil {
+ zoneinfoElement.Protection = val
+ }
+ }
+
+ }
+
+ zoneinfo = append(zoneinfo, zoneinfoElement)
+ }
+ return zoneinfo, nil
+}