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Commit 871023e6 authored by Adithya Srinivasan's avatar Adithya Srinivasan
Browse files

Add HWC composition queueing trace event 

As a part of the frame lifecycle, adding HWC_COMPOSITION_QUEUED event
from within SurfaceFlinger.

Test: Build, flash and run GAPID on any app
Bug: 140236090
Change-Id: I7277af4fc0368a684993ac44bb9be6668f6d2090
parent 46e9976b

services/surfaceflinger/Layer.h

+2 −0
Original line number Diff line number Diff line
@@ -601,6 +601,8 @@ public: 


    virtual sp<GraphicBuffer> getBuffer() const { return nullptr; }



    virtual uint64_t getCurrentFrameNumber() const { return mCurrentFrameNumber; }



    /*

     * Returns if a frame is ready

     */

services/surfaceflinger/SurfaceFlinger.cpp

+6 −1
Original line number Diff line number Diff line
@@ -1715,7 +1715,12 @@ void SurfaceFlinger::handleMessageRefresh() { 
    refreshArgs.layersWithQueuedFrames.reserve(mLayersWithQueuedFrames.size());

    for (sp<Layer> layer : mLayersWithQueuedFrames) {

        auto compositionLayer = layer->getCompositionLayer();

        if (compositionLayer) refreshArgs.layersWithQueuedFrames.push_back(compositionLayer.get());

        if (compositionLayer) {

            refreshArgs.layersWithQueuedFrames.push_back(compositionLayer.get());

            mFrameTracer->traceTimestamp(layer->getSequence(), layer->getCurrentBufferId(),

                                         layer->getCurrentFrameNumber(), systemTime(),

                                         FrameTracer::FrameEvent::HWC_COMPOSITION_QUEUED);

        }

    }



    refreshArgs.repaintEverything = mRepaintEverything.exchange(false);