diff options
| author | Taras Madan <tarasmadan@google.com> | 2023-02-22 22:16:50 +0100 |
|---|---|---|
| committer | Taras Madan <tarasmadan@google.com> | 2023-02-24 12:47:23 +0100 |
| commit | 4165372ec8fd142475a4e35fd0cf4f8042132208 (patch) | |
| tree | 21cd62211b4dd80bee469054c5b65db77342333c /vendor/github.com/prometheus/procfs/stat.go | |
| parent | 2b3ed821a493b8936c8bacfa6f8b4f1c90a00855 (diff) | |
dependencies: update
set go min requirements to 1.19
update dependencies
update vendor
Diffstat (limited to 'vendor/github.com/prometheus/procfs/stat.go')
| -rw-r--r-- | vendor/github.com/prometheus/procfs/stat.go | 32 |
1 files changed, 21 insertions, 11 deletions
diff --git a/vendor/github.com/prometheus/procfs/stat.go b/vendor/github.com/prometheus/procfs/stat.go index 6d8727541..586af48af 100644 --- a/vendor/github.com/prometheus/procfs/stat.go +++ b/vendor/github.com/prometheus/procfs/stat.go @@ -41,7 +41,7 @@ type CPUStat struct { // SoftIRQStat represent the softirq statistics as exported in the procfs stat file. // A nice introduction can be found at https://0xax.gitbooks.io/linux-insides/content/interrupts/interrupts-9.html -// It is possible to get per-cpu stats by reading /proc/softirqs +// It is possible to get per-cpu stats by reading `/proc/softirqs`. type SoftIRQStat struct { Hi uint64 Timer uint64 @@ -62,7 +62,7 @@ type Stat struct { // Summed up cpu statistics. CPUTotal CPUStat // Per-CPU statistics. - CPU []CPUStat + CPU map[int64]CPUStat // Number of times interrupts were handled, which contains numbered and unnumbered IRQs. IRQTotal uint64 // Number of times a numbered IRQ was triggered. @@ -145,7 +145,7 @@ func parseSoftIRQStat(line string) (SoftIRQStat, uint64, error) { // NewStat returns information about current cpu/process statistics. // See https://www.kernel.org/doc/Documentation/filesystems/proc.txt // -// Deprecated: use fs.Stat() instead +// Deprecated: Use fs.Stat() instead. func NewStat() (Stat, error) { fs, err := NewFS(fs.DefaultProcMountPoint) if err != nil { @@ -155,25 +155,38 @@ func NewStat() (Stat, error) { } // NewStat returns information about current cpu/process statistics. -// See https://www.kernel.org/doc/Documentation/filesystems/proc.txt +// See: https://www.kernel.org/doc/Documentation/filesystems/proc.txt // -// Deprecated: use fs.Stat() instead +// Deprecated: Use fs.Stat() instead. func (fs FS) NewStat() (Stat, error) { return fs.Stat() } // Stat returns information about current cpu/process statistics. -// See https://www.kernel.org/doc/Documentation/filesystems/proc.txt +// See: https://www.kernel.org/doc/Documentation/filesystems/proc.txt func (fs FS) Stat() (Stat, error) { fileName := fs.proc.Path("stat") data, err := util.ReadFileNoStat(fileName) if err != nil { return Stat{}, err } + procStat, err := parseStat(bytes.NewReader(data), fileName) + if err != nil { + return Stat{}, err + } + return procStat, nil +} - stat := Stat{} +// parseStat parses the metrics from /proc/[pid]/stat. +func parseStat(r io.Reader, fileName string) (Stat, error) { + var ( + scanner = bufio.NewScanner(r) + stat = Stat{ + CPU: make(map[int64]CPUStat), + } + err error + ) - scanner := bufio.NewScanner(bytes.NewReader(data)) for scanner.Scan() { line := scanner.Text() parts := strings.Fields(scanner.Text()) @@ -228,9 +241,6 @@ func (fs FS) Stat() (Stat, error) { if cpuID == -1 { stat.CPUTotal = cpuStat } else { - for int64(len(stat.CPU)) <= cpuID { - stat.CPU = append(stat.CPU, CPUStat{}) - } stat.CPU[cpuID] = cpuStat } } |
