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| author | Michael Pratt <mpratt@google.com> | 2020-06-03 11:33:39 -0700 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-06-03 11:37:10 -0700 |
| commit | b2e2a081a8a180764677111ae3c0b6179be81d31 (patch) | |
| tree | b5017081fd26d332118bdf3275d42edc5440011e | |
| parent | fa9c9055053172ba8653c9543e4195e0207c7543 (diff) | |
Add metric for startup watchdog timeout
PiperOrigin-RevId: 314570894
| -rw-r--r-- | pkg/sentry/watchdog/watchdog.go | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/pkg/sentry/watchdog/watchdog.go b/pkg/sentry/watchdog/watchdog.go index 26ce1077f..e2894f9f5 100644 --- a/pkg/sentry/watchdog/watchdog.go +++ b/pkg/sentry/watchdog/watchdog.go @@ -77,7 +77,10 @@ var DefaultOpts = Opts{ // trigger it. const descheduleThreshold = 1 * time.Second -var stuckTasks = metric.MustCreateNewUint64Metric("/watchdog/stuck_tasks_detected", true /* sync */, "Cumulative count of stuck tasks detected") +var ( + stuckStartup = metric.MustCreateNewUint64Metric("/watchdog/stuck_startup_detected", true /* sync */, "Incremented once on startup watchdog timeout") + stuckTasks = metric.MustCreateNewUint64Metric("/watchdog/stuck_tasks_detected", true /* sync */, "Cumulative count of stuck tasks detected") +) // Amount of time to wait before dumping the stack to the log again when the same task(s) remains stuck. var stackDumpSameTaskPeriod = time.Minute @@ -220,6 +223,9 @@ func (w *Watchdog) waitForStart() { // We are fine. return } + + stuckStartup.Increment() + var buf bytes.Buffer buf.WriteString(fmt.Sprintf("Watchdog.Start() not called within %s", w.StartupTimeout)) w.doAction(w.StartupTimeoutAction, false, &buf) |