commit c246440dc5b12d68cf63bf6e4fa0ea02af7c4247
author Vova Sharaienko <sharaienko@google.com> Thu Mar 23 20:52:49 2023 +0000
committer Vova Sharaienko <sharaienko@google.com> Fri Mar 24 21:39:53 2023 +0000
tree 6fb33c7087a9835308cee54f5852e25cd9a6e2b0
parent b634c6f5276c9a1c1a39cd098f14946cd51c7a1b

[TeX] Introduced Telemetry Express Logging APIs

- provided C++ Histogram metric logging API with UID

Bug: 266586106
Test: m
Change-Id: I2ee92d423be5f9c137fa160d8c744340972f8036

libstats/expresslog/Histogram.cpp

diff --git a/libstats/expresslog/Histogram.cpp b/libstats/expresslog/Histogram.cpp
index cb29a00..50bb343 100644
--- a/libstats/expresslog/Histogram.cpp
+++ b/libstats/expresslog/Histogram.cpp
@@ -71,5 +71,10 @@
     stats_write(EXPRESS_HISTOGRAM_SAMPLE_REPORTED, mMetricIdHash, /*count*/ 1, binIndex);
 }
 
+void Histogram::logSampleWithUid(int32_t uid, float sample) const {
+    const int binIndex = mBinOptions->getBinForSample(sample);
+    stats_write(EXPRESS_UID_HISTOGRAM_SAMPLE_REPORTED, mMetricIdHash, /*count*/ 1, binIndex, uid);
+}
+
 }  // namespace expresslog
 }  // namespace android

libstats/expresslog/include/Histogram.h

diff --git a/libstats/expresslog/include/Histogram.h b/libstats/expresslog/include/Histogram.h
index 8fdc1b6..49aee3d 100644
--- a/libstats/expresslog/include/Histogram.h
+++ b/libstats/expresslog/include/Histogram.h
@@ -72,6 +72,11 @@
      */
     void logSample(float sample) const;
 
+    /**
+     * Logs increment sample count for automatically calculated bin with uid
+     */
+    void logSampleWithUid(int32_t uid, float sample) const;
+
 private:
     const int64_t mMetricIdHash;
     const std::shared_ptr<BinOptions> mBinOptions;