// for debugging, show goroutine trace on receipt of USR1. uninstall by calling
// Stop on the returned object
func InstallStackTracer() stopper.Stopper {
signals := make(chan os.Signal, 1)
signal.Notify(signals, traceSignal)
stopper := stopper.NewChanStopper()
go func() {
defer func() {
signal.Stop(signals)
close(signals)
}()
for {
select {
case <-signals:
log.Print(instrumentation.GetStackTrace(true))
case <-stopper.Chan:
return
}
}
}()
return stopper
}
func TestGetStackTrace(t *testing.T) {
instrumentation.GetStackTrace(false)
instrumentation.GetStackTrace(true)
}
func GetStackTrace(all bool) string {
return instrumentation.GetStackTrace(all)
}