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Diffstat (limited to 'pkg/sentry/control/proc.go')
| -rw-r--r-- | pkg/sentry/control/proc.go | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/pkg/sentry/control/proc.go b/pkg/sentry/control/proc.go index 1d88db12f..de7a0f3ab 100644 --- a/pkg/sentry/control/proc.go +++ b/pkg/sentry/control/proc.go @@ -404,3 +404,16 @@ func ttyName(tty *kernel.TTY) string { } return fmt.Sprintf("pts/%d", tty.Index) } + +// ContainerUsage retrieves per-container CPU usage. +func ContainerUsage(kr *kernel.Kernel) map[string]uint64 { + cusage := make(map[string]uint64) + for _, tg := range kr.TaskSet().Root.ThreadGroups() { + // We want each tg's usage including reaped children. + cid := tg.Leader().ContainerID() + stats := tg.CPUStats() + stats.Accumulate(tg.JoinedChildCPUStats()) + cusage[cid] += uint64(stats.UserTime.Nanoseconds()) + uint64(stats.SysTime.Nanoseconds()) + } + return cusage +} |