Do not output empty metric reports.
Test: statsd unit test passed.
Change-Id: I296edbe621eaea72ad2e1dfe656698302614c0f3
diff --git a/cmds/statsd/src/metrics/CountMetricProducer.cpp b/cmds/statsd/src/metrics/CountMetricProducer.cpp
index ef27210..0455f6a 100644
--- a/cmds/statsd/src/metrics/CountMetricProducer.cpp
+++ b/cmds/statsd/src/metrics/CountMetricProducer.cpp
@@ -112,6 +112,9 @@
void CountMetricProducer::onDumpReportLocked(const uint64_t dumpTimeNs,
ProtoOutputStream* protoOutput) {
flushIfNeededLocked(dumpTimeNs);
+ if (mPastBuckets.empty()) {
+ return;
+ }
protoOutput->write(FIELD_TYPE_INT64 | FIELD_ID_ID, (long long)mMetricId);
protoOutput->write(FIELD_TYPE_INT64 | FIELD_ID_START_REPORT_NANOS, (long long)mStartTimeNs);