commit 45c41a890974b33382ef5a068275b1f9e5cae227
author TreeHugger Robot <treehugger-gerrit@google.com> Wed May 23 18:52:41 2018 +0000
committer Android (Google) Code Review <android-gerrit@google.com> Wed May 23 18:52:41 2018 +0000
tree db09cdf46acda94e4e86277bd54e1a701c55aab5
parent eb22a6bf9a31224b2df3f25675ecbf34c9f8cace
parent cfcdaa5c6c207657df9cb5ac8387a69277ef4141

Merge "surfaceflinger: Frame missed count added to dumpsys SF"

services/surfaceflinger/SurfaceFlinger.cpp

diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 108c929..2878b28 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -1466,6 +1466,7 @@
                     mPreviousPresentFence != Fence::NO_FENCE &&
                     (mPreviousPresentFence->getSignalTime() ==
                             Fence::SIGNAL_TIME_PENDING);
+            mFrameMissedCount += frameMissed;
             ATRACE_INT("FrameMissed", static_cast<int>(frameMissed));
             if (frameMissed) {
                 mTimeStats.incrementMissedFrames();
@@ -4341,6 +4342,8 @@
     dumpStaticScreenStats(result);
     result.append("\n");
 
+    result.appendFormat("Missed frame count: %u\n\n", mFrameMissedCount.load());
+
     dumpBufferingStats(result);
 
     /*

services/surfaceflinger/SurfaceFlinger.h

diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 4bb86c5..962c1dc 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -840,6 +840,7 @@
     LayerStats mLayerStats;
     TimeStats& mTimeStats = TimeStats::getInstance();
     bool mUseHwcVirtualDisplays = false;
+    std::atomic<uint32_t> mFrameMissedCount{0};
 
     // Restrict layers to use two buffers in their bufferqueues.
     bool mLayerTripleBufferingDisabled = false;