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Update prometheus/procfs

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Fixes: https://github.com/prometheus/node_exporter/issues/1721

Signed-off-by: Ben Kochie <superq@gmail.com>
This commit is contained in:
Ben Kochie 2020-06-06 09:00:09 +02:00
commit baa7ab732f
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GPG key ID: C646B23C9E3245F1
51 changed files with 2699 additions and 292 deletions
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21
vendor/github.com/prometheus/procfs/proc.go generated vendored
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@ -134,6 +134,27 @@ func (p Proc) CmdLine() ([]string, error) {
return strings.Split(string(bytes.TrimRight(data, string("\x00"))), string(byte(0))), nil
}
// 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
}
defer f.Close()
data, err := ioutil.ReadAll(f)
if err != nil {
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"))