netbird/gvisor
0
0
Fork 0
mirror of https://github.com/netbirdio/gvisor.git synced 2026-05-22 17:12:49 -07:00
Code Issues Packages Projects Releases Wiki Activity

Add metric for startup watchdog timeout

Browse Source 
PiperOrigin-RevId: 314570894
This commit is contained in:
Michael Pratt
2020-06-03 11:37:10 -07:00
committed by gVisor bot
parent fa9c905505
commit b2e2a081a8
1 changed files with 7 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
pkg/sentry/watchdog/watchdog.go
+7 -1
View File
@@ -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)