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authorPaul Holzinger <pholzing@redhat.com>2022-09-08 15:32:44 +0200
committerPaul Holzinger <pholzing@redhat.com>2022-09-09 11:58:20 +0200
commiteb28a1c08469d56494006d0f2c64933ab7078d01 (patch)
treedbacf86cf194955f34f09ec56d2df284321e2ae7 /vendor/github.com/prometheus/procfs/proc_smaps.go
parent7e2f002b0751c2c24e9c243495cbc313d0c3c103 (diff)
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update buildah and c/common to latest
also includes bumps for c/storage and c/image Signed-off-by: Paul Holzinger <pholzing@redhat.com>
Diffstat (limited to 'vendor/github.com/prometheus/procfs/proc_smaps.go')
-rw-r--r--vendor/github.com/prometheus/procfs/proc_smaps.go165
1 files changed, 0 insertions, 165 deletions
diff --git a/vendor/github.com/prometheus/procfs/proc_smaps.go b/vendor/github.com/prometheus/procfs/proc_smaps.go
deleted file mode 100644
index a576a720a..000000000
--- a/vendor/github.com/prometheus/procfs/proc_smaps.go
+++ /dev/null
@@ -1,165 +0,0 @@
-// 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
- }
-}