SF: Implement FrameStats directly in FrameTimeline
Bug: 241394120
Test: builds, atest CtsUiAutomationTestCases:android.app.uiautomation.cts.UiAutomationTest#testWindowContentFrameStats$
Flag: com.android.graphics.surfaceflinger.flags.deprecate_frame_tracker
Change-Id: I3f12d504e821a6ba15a26604eb56f317c9d59a18
diff --git a/services/surfaceflinger/Layer.h b/services/surfaceflinger/Layer.h
index a2716c6..c234a75 100644
--- a/services/surfaceflinger/Layer.h
+++ b/services/surfaceflinger/Layer.h
@@ -18,6 +18,7 @@
#include <android/gui/DropInputMode.h>
#include <android/gui/ISurfaceComposerClient.h>
+#include <com_android_graphics_surfaceflinger_flags.h>
#include <ftl/small_map.h>
#include <gui/BufferQueue.h>
#include <gui/LayerState.h>
@@ -44,6 +45,7 @@
#include <scheduler/Seamlessness.h>
#include <cstdint>
+#include <functional>
#include <optional>
#include <vector>
@@ -433,8 +435,12 @@
uint32_t mTransactionFlags{0};
+ // Leverages FrameTimeline to generate FrameStats. Since FrameTimeline already has the data,
+ // statistical history needs to only be tracked by count of frames.
+ // TODO: Deprecate the '--latency-clear' and get rid of this.
+ std::atomic<uint16_t> mFrameStatsHistorySize;
// Timestamp history for UIAutomation. Thread safe.
- FrameTracker mFrameTracker;
+ FrameTracker mDeprecatedFrameTracker;
// main thread
sp<NativeHandle> mSidebandStream;
@@ -556,6 +562,9 @@
std::vector<std::pair<frontend::LayerHierarchy::TraversalPath, sp<LayerFE>>> mLayerFEs;
bool mHandleAlive = false;
+ std::optional<std::reference_wrapper<frametimeline::FrameTimeline>> getTimeline() const {
+ return *mFlinger->mFrameTimeline;
+ }
};
std::ostream& operator<<(std::ostream& stream, const Layer::FrameRate& rate);