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authorTaras Madan <tarasmadan@google.com>2023-02-22 22:16:50 +0100
committerTaras Madan <tarasmadan@google.com>2023-02-24 12:47:23 +0100
commit4165372ec8fd142475a4e35fd0cf4f8042132208 (patch)
tree21cd62211b4dd80bee469054c5b65db77342333c /vendor/github.com/prometheus/procfs/stat.go
parent2b3ed821a493b8936c8bacfa6f8b4f1c90a00855 (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.go32
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
}
}