Add Application OnCreate timestamp to AppStartInfo (129c68ba) · Commits · e / os / android_frameworks_base

core/java/android/app/ActivityThread.java

+4 −1

Original line number	Diff line number	Diff line
		@@ -7435,6 +7435,7 @@ public final class ActivityThread extends ClientTransactionHandler
		}
		mDdmSyncStageUpdater.next(Stage.Running);

		long timestampApplicationOnCreateNs = 0;
		try {
		// If the app is being launched for full backup or restore, bring it up in
		// a restricted environment with the base application class.
		@@ -7477,8 +7478,10 @@ public final class ActivityThread extends ClientTransactionHandler
		+ data.instrumentationName + ": " + e.toString(), e);
		}
		try {
		timestampApplicationOnCreateNs = SystemClock.elapsedRealtimeNanos();
		mInstrumentation.callApplicationOnCreate(app);
		} catch (Exception e) {
		timestampApplicationOnCreateNs = 0;
		if (!mInstrumentation.onException(app, e)) {
		throw new RuntimeException(
		"Unable to create application " + app.getClass().getName()
		@@ -7516,7 +7519,7 @@ public final class ActivityThread extends ClientTransactionHandler
		}

		try {
		mgr.finishAttachApplication(mStartSeq);
		mgr.finishAttachApplication(mStartSeq, timestampApplicationOnCreateNs);
		} catch (RemoteException ex) {
		throw ex.rethrowFromSystemServer();
		}

core/java/android/app/IActivityManager.aidl

+1 −1

Original line number	Diff line number	Diff line
		@@ -196,7 +196,7 @@ interface IActivityManager {
		oneway void finishReceiver(in IBinder who, int resultCode, in String resultData, in Bundle map,
		boolean abortBroadcast, int flags);
		void attachApplication(in IApplicationThread app, long startSeq);
		void finishAttachApplication(long startSeq);
		void finishAttachApplication(long startSeq, long timestampApplicationOnCreateNs);
		List<ActivityManager.RunningTaskInfo> getTasks(int maxNum);
		@UnsupportedAppUsage
		void moveTaskToFront(in IApplicationThread caller, in String callingPackage, int task,

core/java/android/app/activity_manager.aconfig

+10 −0

Original line number	Diff line number	Diff line
		@@ -40,3 +40,13 @@ flag {
		description: "Add a new callback in Service to indicate a FGS has reached its timeout."
		bug: "317799821"
		}

		flag {
		namespace: "system_performance"
		name: "app_start_info_timestamps"
		description: "Additional timestamps."
		bug: "287153617"
		metadata {
		purpose: PURPOSE_BUGFIX
		}
		}

services/core/java/com/android/server/am/ActivityManagerService.java

+14 −4

Original line number	Diff line number	Diff line
		@@ -5034,7 +5034,7 @@ public class ActivityManagerService extends IActivityManager.Stub
		}

		@Override
		public final void finishAttachApplication(long startSeq) {
		public final void finishAttachApplication(long startSeq, long timestampApplicationOnCreateNs) {
		final int pid = Binder.getCallingPid();
		final int uid = Binder.getCallingUid();

		@@ -5054,6 +5054,11 @@ public class ActivityManagerService extends IActivityManager.Stub
		} finally {
		Binder.restoreCallingIdentity(origId);
		}

		if (android.app.Flags.appStartInfoTimestamps() && timestampApplicationOnCreateNs > 0) {
		addStartInfoTimestampInternal(ApplicationStartInfo.START_TIMESTAMP_APPLICATION_ONCREATE,
		timestampApplicationOnCreateNs, UserHandle.getUserId(uid), uid);
		}
		}

		private void handleBindApplicationTimeoutSoft(ProcessRecord app, int softTimeoutMillis) {
		@@ -10253,10 +10258,15 @@ public class ActivityManagerService extends IActivityManager.Stub
		mUserController.handleIncomingUser(Binder.getCallingPid(), callingUid, userId, true,
		ALLOW_NON_FULL, "addStartInfoTimestamp", null);

		final String packageName = Settings.getPackageNameForUid(mContext, callingUid);
		addStartInfoTimestampInternal(key, timestampNs, userId, callingUid);
		}

		mProcessList.getAppStartInfoTracker().addTimestampToStart(packageName,
		UserHandle.getUid(userId, UserHandle.getAppId(callingUid)), timestampNs, key);
		private void addStartInfoTimestampInternal(int key, long timestampNs, int userId, int uid) {
		mProcessList.getAppStartInfoTracker().addTimestampToStart(
		Settings.getPackageNameForUid(mContext, uid),
		UserHandle.getUid(userId, UserHandle.getAppId(uid)),
		timestampNs,
		key);
		}

		@Override

services/tests/mockingservicestests/src/com/android/server/am/AsyncProcessStartTest.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -197,7 +197,7 @@ public class AsyncProcessStartTest {
		+ Arrays.toString(invocation.getArguments()));
		if (!wedge) {
		if (mRealAms.mConstants.mEnableWaitForFinishAttachApplication) {
		mRealAms.finishAttachApplication(0);
		mRealAms.finishAttachApplication(0, 0);
		}
		}
		return null;