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Merge "Optionally trigger CG in onTrimMemory()" into qt-dev

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This commit is contained in:
Makoto Onuki
2019-06-19 23:24:04 +00:00
committed by Android (Google) Code Review
parent 6f72636bb6 0a9ee1af2c
commit 71acb72cbd
1 changed files with 23 additions and 5 deletions
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28
core/java/android/app/ActivityThread.java
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@@ -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);