commit 24ee2da4d8845532593fd673a277cc95d505cd3f
author Eric Tan <taneric@google.com> Thu Sep 13 10:53:17 2018 -0700
committer Eric Tan <taneric@google.com> Thu Sep 13 10:53:17 2018 -0700
tree 9c20bce8b0129551d9ae3caefe3eea85efce3298
parent c5fee0a8854f5decd3b567d2383cd38f0aada4f4

Add version number to ReportPerformance::Histogram

Test: dumpsys media.log -r
Bug: 68148948
Change-Id: Ide3da6d4f079ed9d457c6c76374b14b9e0163a4e

media/libnblog/PerformanceAnalysis.cpp

diff --git a/media/libnblog/PerformanceAnalysis.cpp b/media/libnblog/PerformanceAnalysis.cpp
index ca9bc2c..94ad114 100644
--- a/media/libnblog/PerformanceAnalysis.cpp
+++ b/media/libnblog/PerformanceAnalysis.cpp
@@ -80,7 +80,7 @@
 std::string Histogram::toString() const {
     std::stringstream ss;
     static constexpr char kDivider = '|';
-    ss << mBinSize << "," << mNumBins << "," << mLow << ",{";
+    ss << kVersion << "," << mBinSize << "," << mNumBins << "," << mLow << ",{";
     bool first = true;
     if (mLowCount != 0) {
         ss << "-1" << kDivider << mLowCount;

media/libnblog/include/media/nblog/PerformanceAnalysis.h

diff --git a/media/libnblog/include/media/nblog/PerformanceAnalysis.h b/media/libnblog/include/media/nblog/PerformanceAnalysis.h
index 80eddb1..6893fee 100644
--- a/media/libnblog/include/media/nblog/PerformanceAnalysis.h
+++ b/media/libnblog/include/media/nblog/PerformanceAnalysis.h
@@ -112,6 +112,9 @@
     std::string toString() const;
 
 private:
+    // Histogram version number.
+    static constexpr int kVersion = 1;
+
     const double mBinSize;      // Size of each bucket
     const size_t mNumBins;      // Number of buckets in histogram range
     const double mLow;          // Lower bound of values