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author | Daniel J Walsh <dwalsh@redhat.com> | 2018-01-10 15:58:18 -0500 |
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committer | Atomic Bot <atomic-devel@projectatomic.io> | 2018-01-11 12:39:06 +0000 |
commit | dd0d35deb098b63f8c5be7ef9d8d63c16760221b (patch) | |
tree | 695d44a49d636e45e4121c9aecfb3d8c0e1cca06 /vendor/github.com/prometheus/procfs/buddyinfo.go | |
parent | e6be800ec633342aef656e0a2ed0bdc4519796d9 (diff) | |
download | podman-dd0d35deb098b63f8c5be7ef9d8d63c16760221b.tar.gz podman-dd0d35deb098b63f8c5be7ef9d8d63c16760221b.tar.bz2 podman-dd0d35deb098b63f8c5be7ef9d8d63c16760221b.zip |
Add support for shm-size.
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
Closes: #206
Approved by: TomSweeneyRedHat
Diffstat (limited to 'vendor/github.com/prometheus/procfs/buddyinfo.go')
-rw-r--r-- | vendor/github.com/prometheus/procfs/buddyinfo.go | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/vendor/github.com/prometheus/procfs/buddyinfo.go b/vendor/github.com/prometheus/procfs/buddyinfo.go deleted file mode 100644 index 680a9842a..000000000 --- a/vendor/github.com/prometheus/procfs/buddyinfo.go +++ /dev/null @@ -1,95 +0,0 @@ -// Copyright 2017 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" - "fmt" - "io" - "os" - "strconv" - "strings" -) - -// A BuddyInfo is the details parsed from /proc/buddyinfo. -// The data is comprised of an array of free fragments of each size. -// The sizes are 2^n*PAGE_SIZE, where n is the array index. -type BuddyInfo struct { - Node string - Zone string - Sizes []float64 -} - -// NewBuddyInfo reads the buddyinfo statistics. -func NewBuddyInfo() ([]BuddyInfo, error) { - fs, err := NewFS(DefaultMountPoint) - if err != nil { - return nil, err - } - - return fs.NewBuddyInfo() -} - -// NewBuddyInfo reads the buddyinfo statistics from the specified `proc` filesystem. -func (fs FS) NewBuddyInfo() ([]BuddyInfo, error) { - file, err := os.Open(fs.Path("buddyinfo")) - if err != nil { - return nil, err - } - defer file.Close() - - return parseBuddyInfo(file) -} - -func parseBuddyInfo(r io.Reader) ([]BuddyInfo, error) { - var ( - buddyInfo = []BuddyInfo{} - scanner = bufio.NewScanner(r) - bucketCount = -1 - ) - - for scanner.Scan() { - var err error - line := scanner.Text() - parts := strings.Fields(string(line)) - - if len(parts) < 4 { - return nil, fmt.Errorf("invalid number of fields when parsing buddyinfo") - } - - node := strings.TrimRight(parts[1], ",") - zone := strings.TrimRight(parts[3], ",") - arraySize := len(parts[4:]) - - if bucketCount == -1 { - bucketCount = arraySize - } else { - if bucketCount != arraySize { - return nil, fmt.Errorf("mismatch in number of buddyinfo buckets, previous count %d, new count %d", bucketCount, arraySize) - } - } - - sizes := make([]float64, arraySize) - for i := 0; i < arraySize; i++ { - sizes[i], err = strconv.ParseFloat(parts[i+4], 64) - if err != nil { - return nil, fmt.Errorf("invalid value in buddyinfo: %s", err) - } - } - - buddyInfo = append(buddyInfo, BuddyInfo{node, zone, sizes}) - } - - return buddyInfo, scanner.Err() -} |