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Log the number of ANRs skipped

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Test: unit tests
Change-Id: Ifd40c86e6c6372891cb7ac239ddf0501a3569554
Bug: 266089185
This commit is contained in:
Olivier Gaillard
2023-01-16 11:35:56 +00:00
parent e1ea2188f5
commit e55067deb1
1 changed files with 26 additions and 19 deletions
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45
services/core/java/com/android/server/am/ProcessErrorStateRecord.java
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@@ -49,6 +49,7 @@ import android.util.SparseBooleanArray;
import com.android.internal.annotations.CompositeRWLock;
import com.android.internal.annotations.GuardedBy;
import com.android.internal.annotations.VisibleForTesting;
import com.android.internal.expresslog.Counter;
import com.android.internal.os.ProcessCpuTracker;
import com.android.internal.os.TimeoutRecord;
import com.android.internal.os.anr.AnrLatencyTracker;
@@ -260,6 +261,28 @@ class ProcessErrorStateRecord {
mDialogController = new ErrorDialogController(app);
}
@GuardedBy("mService")
boolean skipAnrLocked(String annotation) {
// PowerManager.reboot() can block for a long time, so ignore ANRs while shutting down.
if (mService.mAtmInternal.isShuttingDown()) {
Slog.i(TAG, "During shutdown skipping ANR: " + this + " " + annotation);
return true;
} else if (isNotResponding()) {
Slog.i(TAG, "Skipping duplicate ANR: " + this + " " + annotation);
return true;
} else if (isCrashing()) {
Slog.i(TAG, "Crashing app skipping ANR: " + this + " " + annotation);
return true;
} else if (mApp.isKilledByAm()) {
Slog.i(TAG, "App already killed by AM skipping ANR: " + this + " " + annotation);
return true;
} else if (mApp.isKilled()) {
Slog.i(TAG, "Skipping died app ANR: " + this + " " + annotation);
return true;
}
return false;
}
void appNotResponding(String activityShortComponentName, ApplicationInfo aInfo,
String parentShortComponentName, WindowProcessController parentProcess,
boolean aboveSystem, TimeoutRecord timeoutRecord,
@@ -302,26 +325,10 @@ class ProcessErrorStateRecord {
// Store annotation here as instance above will not be hit on all paths.
setAnrAnnotation(annotation);
// PowerManager.reboot() can block for a long time, so ignore ANRs while shutting down.
if (mService.mAtmInternal.isShuttingDown()) {
Slog.i(TAG, "During shutdown skipping ANR: " + this + " " + annotation);
latencyTracker.anrSkippedProcessErrorStateRecordAppNotResponding();
return;
} else if (isNotResponding()) {
Slog.i(TAG, "Skipping duplicate ANR: " + this + " " + annotation);
latencyTracker.anrSkippedProcessErrorStateRecordAppNotResponding();
return;
} else if (isCrashing()) {
Slog.i(TAG, "Crashing app skipping ANR: " + this + " " + annotation);
latencyTracker.anrSkippedProcessErrorStateRecordAppNotResponding();
return;
} else if (mApp.isKilledByAm()) {
Slog.i(TAG, "App already killed by AM skipping ANR: " + this + " " + annotation);
latencyTracker.anrSkippedProcessErrorStateRecordAppNotResponding();
return;
} else if (mApp.isKilled()) {
Slog.i(TAG, "Skipping died app ANR: " + this + " " + annotation);
Counter.logIncrement("stability_anr.value_total_anrs");
if (skipAnrLocked(annotation)) {
latencyTracker.anrSkippedProcessErrorStateRecordAppNotResponding();
Counter.logIncrement("stability_anr.value_skipped_anrs");
return;
}