commit fb571ea6f81e911817e01daada55d0a6b538e8d7
author Alec Mouri <alecmouri@google.com> Thu Jan 24 18:42:10 2019 -0800
committer Alec Mouri <alecmouri@google.com> Fri Feb 01 22:49:31 2019 -0800
tree 7b2fb752a7f79860d939206346173cdd6cf450d3
parent 8a0222e629b82dda35840aa74eeec55bcc16999d

Add refresh rate stats to TimeStats.

Bug: 122905821
Test: libsurfaceflinger_test
Test: dumpsys SurfaceFlinger --timestats -dump --proto
Change-Id: I99b38497f054f86bebba0813134f1c1eaf632b47

services/surfaceflinger/TimeStats/TimeStats.cpp

diff --git a/services/surfaceflinger/TimeStats/TimeStats.cpp b/services/surfaceflinger/TimeStats/TimeStats.cpp
index 8d3776b..78c6e74 100644
--- a/services/surfaceflinger/TimeStats/TimeStats.cpp
+++ b/services/surfaceflinger/TimeStats/TimeStats.cpp
@@ -32,6 +32,8 @@
 
 namespace android {
 
+namespace impl {
+
 void TimeStats::parseArgs(bool asProto, const Vector<String16>& args, std::string& result) {
     ATRACE_CALL();
 
@@ -450,6 +452,15 @@
     mPowerTime.powerMode = powerMode;
 }
 
+void TimeStats::recordRefreshRate(uint32_t fps, nsecs_t duration) {
+    std::lock_guard<std::mutex> lock(mMutex);
+    if (mTimeStats.refreshRateStats.count(fps)) {
+        mTimeStats.refreshRateStats[fps] += duration;
+    } else {
+        mTimeStats.refreshRateStats.insert({fps, duration});
+    }
+}
+
 void TimeStats::flushAvailableGlobalRecordsToStatsLocked() {
     ATRACE_CALL();
 
@@ -547,6 +558,7 @@
     mTimeStats.clientCompositionFrames = 0;
     mTimeStats.displayOnTime = 0;
     mTimeStats.presentToPresent.hist.clear();
+    mTimeStats.refreshRateStats.clear();
     mPowerTime.prevTime = systemTime();
     mGlobalRecord.prevPresentTime = 0;
     mGlobalRecord.presentFences.clear();
@@ -580,4 +592,6 @@
     }
 }
 
+} // namespace impl
+
 } // namespace android