commit 91f6df3b650507e04e43eb41feac02f5f92d16d0
author Alec Mouri <alecmouri@google.com> Thu Jan 30 08:48:58 2020 -0800
committer Alec Mouri <alecmouri@google.com> Fri Jan 31 12:59:35 2020 -0800
tree 4ef814e6f115d533fe8118ada41abd3f5292590d
parent 329f126bd5a78f66620dd0b113681e88192d51ed

[TimeStats] Expose pathological latch counters

* Missed latch because the acquire fence didn't fire
* Latched early because the desired present time was bad

Bug: 135478131
Test: libsurfaceflinger_unittest

Change-Id: Id02a62c222cb497c05889dd198be5fea6d64893a

services/surfaceflinger/TimeStats/timestatsproto/TimeStatsHelper.cpp

diff --git a/services/surfaceflinger/TimeStats/timestatsproto/TimeStatsHelper.cpp b/services/surfaceflinger/TimeStats/timestatsproto/TimeStatsHelper.cpp
index 0ba90e2..1c910aa 100644
--- a/services/surfaceflinger/TimeStats/timestatsproto/TimeStatsHelper.cpp
+++ b/services/surfaceflinger/TimeStats/timestatsproto/TimeStatsHelper.cpp
@@ -83,6 +83,8 @@
     StringAppendF(&result, "packageName = %s\n", packageName.c_str());
     StringAppendF(&result, "totalFrames = %d\n", totalFrames);
     StringAppendF(&result, "droppedFrames = %d\n", droppedFrames);
+    StringAppendF(&result, "lateAcquireFrames = %d\n", lateAcquireFrames);
+    StringAppendF(&result, "badDesiredPresentFrames = %d\n", badDesiredPresentFrames);
     const auto iter = deltas.find("present2present");
     if (iter != deltas.end()) {
         StringAppendF(&result, "averageFPS = %.3f\n", 1000.0 / iter->second.averageTime());