Merge "Optionally trigger CG in onTrimMemory()" into qt-dev am: 71acb72cbd am: 5b80149cce (38760689) · Commits · e / os / android_frameworks_base

core/java/android/app/ActivityThread.java

+23 −5

Original line number	Diff line number	Diff line
		@@ -2080,7 +2080,7 @@ public final class ActivityThread extends ClientTransactionHandler {
		@Override
		public final boolean queueIdle() {
		doGcIfNeeded();
		nPurgePendingResources();
		purgePendingResources();
		return false;
		}
		}
		@@ -2088,9 +2088,7 @@ public final class ActivityThread extends ClientTransactionHandler {
		final class PurgeIdler implements MessageQueue.IdleHandler {
		@Override
		public boolean queueIdle() {
		Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "purgePendingResources");
		nPurgePendingResources();
		Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER);
		purgePendingResources();
		return false;
		}
		}
		@@ -2460,13 +2458,17 @@ public final class ActivityThread extends ClientTransactionHandler {
		}

		void doGcIfNeeded() {
		doGcIfNeeded("bg");
		}

		void doGcIfNeeded(String reason) {
		mGcIdlerScheduled = false;
		final long now = SystemClock.uptimeMillis();
		//Slog.i(TAG, "**** WE MIGHT WANT TO GC: then=" + Binder.getLastGcTime()
		// + "m now=" + now);
		if ((BinderInternal.getLastGcTime()+MIN_TIME_BETWEEN_GCS) < now) {
		//Slog.i(TAG, "**** WE DO, WE DO WANT TO GC!");
		BinderInternal.forceGc("bg");
		BinderInternal.forceGc(reason);
		}
		}

		@@ -6006,6 +6008,16 @@ public final class ActivityThread extends ClientTransactionHandler {

		WindowManagerGlobal.getInstance().trimMemory(level);
		Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER);

		if (SystemProperties.getInt("debug.am.run_gc_trim_level", Integer.MAX_VALUE) <= level) {
		unscheduleGcIdler();
		doGcIfNeeded("tm");
		}
		if (SystemProperties.getInt("debug.am.run_mallopt_trim_level", Integer.MAX_VALUE)
		<= level) {
		unschedulePurgeIdler();
		purgePendingResources();
		}
		}

		private void setupGraphicsSupport(Context context) {
		@@ -7346,6 +7358,12 @@ public final class ActivityThread extends ClientTransactionHandler {
		throw new RuntimeException("Main thread loop unexpectedly exited");
		}

		private void purgePendingResources() {
		Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "purgePendingResources");
		nPurgePendingResources();
		Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER);
		}

		// ------------------ Regular JNI ------------------------
		private native void nPurgePendingResources();
		private native void nDumpGraphicsInfo(FileDescriptor fd);