[SurfaceFlinger] Add deferred txn trace points.
Currently there is not enough trace information to track down jank that
is suspected to be related to deferred transactions, so adding some
trace points in this patch.
Bug: 134583193
Test: systrace
Change-Id: Iecc367dcfaa85877be0b9d9c179986bac52473f5
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index 898f3bc..bda7e43 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -19,12 +19,7 @@
#define LOG_TAG "Layer"
#define ATRACE_TAG ATRACE_TAG_GRAPHICS
-#include <math.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <sys/types.h>
-#include <algorithm>
-#include <mutex>
+#include "Layer.h"
#include <android-base/stringprintf.h>
#include <compositionengine/Display.h>
@@ -39,7 +34,11 @@
#include <gui/BufferItem.h>
#include <gui/LayerDebugInfo.h>
#include <gui/Surface.h>
+#include <math.h>
#include <renderengine/RenderEngine.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <sys/types.h>
#include <ui/DebugUtils.h>
#include <ui/GraphicBuffer.h>
#include <ui/PixelFormat.h>
@@ -49,12 +48,15 @@
#include <utils/StopWatch.h>
#include <utils/Trace.h>
+#include <algorithm>
+#include <mutex>
+#include <sstream>
+
#include "BufferLayer.h"
#include "ColorLayer.h"
#include "Colorizer.h"
#include "DisplayDevice.h"
#include "DisplayHardware/HWComposer.h"
-#include "Layer.h"
#include "LayerProtoHelper.h"
#include "LayerRejecter.h"
#include "MonitoredProducer.h"
@@ -677,6 +679,7 @@
if (!mCurrentState.modified) {
return;
}
+ ATRACE_CALL();
// If this transaction is waiting on the receipt of a frame, generate a sync
// point and send it to the remote layer.
@@ -693,6 +696,9 @@
} else {
auto syncPoint = std::make_shared<SyncPoint>(mCurrentState.frameNumber_legacy, this);
if (barrierLayer->addSyncPoint(syncPoint)) {
+ std::stringstream ss;
+ ss << "Adding sync point " << mCurrentState.frameNumber_legacy;
+ ATRACE_NAME(ss.str().c_str());
mRemoteSyncPoints.push_back(std::move(syncPoint));
} else {
// We already missed the frame we're supposed to synchronize
@@ -710,6 +716,7 @@
}
void Layer::popPendingState(State* stateToCommit) {
+ ATRACE_CALL();
*stateToCommit = mPendingStates[0];
mPendingStates.removeAt(0);
@@ -741,6 +748,7 @@
}
if (mRemoteSyncPoints.front()->frameIsAvailable()) {
+ ATRACE_NAME("frameIsAvailable");
// Apply the state update
popPendingState(stateToCommit);
stateUpdateAvailable = true;
@@ -749,6 +757,7 @@
mRemoteSyncPoints.front()->setTransactionApplied();
mRemoteSyncPoints.pop_front();
} else {
+ ATRACE_NAME("!frameIsAvailable");
break;
}
} else {
@@ -1195,6 +1204,7 @@
}
void Layer::deferTransactionUntil_legacy(const sp<Layer>& barrierLayer, uint64_t frameNumber) {
+ ATRACE_CALL();
mCurrentState.barrierLayer_legacy = barrierLayer;
mCurrentState.frameNumber_legacy = frameNumber;
// We don't set eTransactionNeeded, because just receiving a deferral