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| author | Dean Deng <deandeng@google.com> | 2020-11-19 16:50:25 -0800 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-11-19 16:52:25 -0800 |
| commit | d35a25cc887d2b52fb7e11ba23da6324054a43d0 (patch) | |
| tree | fefeb9efaeab8f31aec4411355cfd801e259108b | |
| parent | 4cf7956dde56b29dda4ffd2b8bcb3aa6121c71c3 (diff) | |
Add a helpful message in stuck task logs.
This also makes the formatting nicer; the caller will add ":\n" to the end of
the message.
PiperOrigin-RevId: 343397099
| -rw-r--r-- | pkg/sentry/watchdog/watchdog.go | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/pkg/sentry/watchdog/watchdog.go b/pkg/sentry/watchdog/watchdog.go index 1d1062aeb..8e3146d8d 100644 --- a/pkg/sentry/watchdog/watchdog.go +++ b/pkg/sentry/watchdog/watchdog.go @@ -338,6 +338,7 @@ func (w *Watchdog) report(offenders map[*kernel.Task]*offender, newTaskFound boo tid := w.k.TaskSet().Root.IDOfTask(t) buf.WriteString(fmt.Sprintf("\tTask tid: %v (goroutine %d), entered RunSys state %v ago.\n", tid, t.GoroutineID(), now.Sub(o.lastUpdateTime))) } + buf.WriteString("Search for 'goroutine <id>' in the stack dump to find the offending goroutine(s)") // Force stack dump only if a new task is detected. w.doAction(w.TaskTimeoutAction, newTaskFound, &buf) |