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feat: support cpu stat on cgroups v2 (#1636)

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* feat: cpu stat

* feat: add cpu stat for cgroup2

* feat: add cpu stat for cgroup2, tidy mod

* feat: support cpu stat in cgroup v2
This commit is contained in:
Kevin Wan
2022-03-12 21:00:04 +08:00
committed by GitHub
parent 32c88b6352
commit c05d74b44c
4 changed files with 260 additions and 74 deletions
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15
core/stat/internal/cpu_linux.go
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@@ -24,7 +24,7 @@ var (
// if /proc not present, ignore the cpu calculation, like wsl linux
func init() {
cpus, err := perCpuUsage()
cpus, err := cpuSets()
if err != nil {
logx.Error(err)
return
@@ -117,15 +117,6 @@ func cpuSets() ([]uint64, error) {
return cg.cpus()
}
func perCpuUsage() ([]uint64, error) {
cg, err := currentCgroup()
if err != nil {
return nil, err
}
return cg.acctUsagePerCpu()
}
func systemCpuUsage() (uint64, error) {
lines, err := iox.ReadTextLines("/proc/stat", iox.WithoutBlank())
if err != nil {
@@ -157,10 +148,10 @@ func systemCpuUsage() (uint64, error) {
}
func totalCpuUsage() (usage uint64, err error) {
var cg *cgroup
var cg cgroup
if cg, err = currentCgroup(); err != nil {
return
}
return cg.acctUsageAllCpus()
return cg.usageAllCpus()
}