Merge "Skip writing metrics to disk if it's entirely composed of no_report_metric" into pi-dev am: 3f57b16deb

am: ef16759cdd

Change-Id: I68f6ff7f259acd0ac43c7e34bf259e35bcc2fd1a

cmds/statsd/src/StatsLogProcessor.cpp

@@ -503,7 +503,8 @@ void StatsLogProcessor::flushIfNecessaryLocked(
 void StatsLogProcessor::WriteDataToDiskLocked(const ConfigKey& key,
                                               const int64_t timestampNs,
                                               const DumpReportReason dumpReportReason) {
-    if (mMetricsManagers.find(key) == mMetricsManagers.end()) {
+    if (mMetricsManagers.find(key) == mMetricsManagers.end() ||
+        !mMetricsManagers.find(key)->second->shouldWriteToDisk()) {
         return;
     }
     ProtoOutputStream proto;

cmds/statsd/src/metrics/MetricsManager.h

@@ -67,6 +67,10 @@ public:
         return !mAllowedPkg.empty();
     }
 
+    bool shouldWriteToDisk() const {
+        return mNoReportMetricIds.size() != mAllMetricProducers.size();
+    }
+
     void dumpStates(FILE* out, bool verbose);
 
     inline bool isInTtl(const int64_t timestampNs) const {