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add LatencyTracker tracing cancel / timeout events

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Bug: 265850090
Test: manual invoke hotword trigger collecting trace and verify in
Perfetto UI that trace has cancel and timeout events

Change-Id: Ie5acefe043575b198ce1fbd1526cc82116649cb3
This commit is contained in:
Nicholas Ambur
2023-02-13 19:00:50 +00:00
parent 65a2a1e7fd
commit 3f793d7daa
1 changed files with 8 additions and 4 deletions
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12
core/java/com/android/internal/util/LatencyTracker.java
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@@ -611,23 +611,27 @@ public class LatencyTracker {
void begin(@NonNull Runnable timeoutAction) { void begin(@NonNull Runnable timeoutAction) {
mStartRtc = SystemClock.elapsedRealtime(); mStartRtc = SystemClock.elapsedRealtime();
Trace.asyncTraceBegin(TRACE_TAG_APP, traceName(), 0); Trace.asyncTraceForTrackBegin(TRACE_TAG_APP, traceName(), traceName(), 0);
// start counting timeout. // start counting timeout.
mTimeoutRunnable = timeoutAction; mTimeoutRunnable = () -> {
Trace.instantForTrack(TRACE_TAG_APP, traceName(), "timeout");
timeoutAction.run();
};
BackgroundThread.getHandler() BackgroundThread.getHandler()
.postDelayed(mTimeoutRunnable, TimeUnit.SECONDS.toMillis(15)); .postDelayed(mTimeoutRunnable, TimeUnit.SECONDS.toMillis(15));
} }
void end() { void end() {
mEndRtc = SystemClock.elapsedRealtime(); mEndRtc = SystemClock.elapsedRealtime();
Trace.asyncTraceEnd(TRACE_TAG_APP, traceName(), 0); Trace.asyncTraceForTrackEnd(TRACE_TAG_APP, traceName(), 0);
BackgroundThread.getHandler().removeCallbacks(mTimeoutRunnable); BackgroundThread.getHandler().removeCallbacks(mTimeoutRunnable);
mTimeoutRunnable = null; mTimeoutRunnable = null;
} }
void cancel() { void cancel() {
Trace.asyncTraceEnd(TRACE_TAG_APP, traceName(), 0); Trace.instantForTrack(TRACE_TAG_APP, traceName(), "cancel");
Trace.asyncTraceForTrackEnd(TRACE_TAG_APP, traceName(), 0);
BackgroundThread.getHandler().removeCallbacks(mTimeoutRunnable); BackgroundThread.getHandler().removeCallbacks(mTimeoutRunnable);
mTimeoutRunnable = null; mTimeoutRunnable = null;
} }