commit 1d0136d322899cd9db4416c22873ee7ed01d843a
author Bookatz <bookatz@google.com> Fri Dec 01 11:13:32 2017 -0800
committer Bookatz <bookatz@google.com> Thu Dec 07 17:59:30 2017 -0800
tree 95f260a1efbe1d74b5e2289da8710cddb210f62a
parent 3834e91e1341af979c17def675369071da7ad882

Anomaly detection statsdstats

Adds statsdstats for tracking the number of anomaly alarms registered.

Test: adb shell data/nativetest64/statsd_test/statsd_test
Bug: 67978682
Change-Id: I4aa0539a13c60ccb3b7fd2a4f41c4ad867f3a4ea

cmds/statsd/src/guardrail/StatsdStats.cpp

diff --git a/cmds/statsd/src/guardrail/StatsdStats.cpp b/cmds/statsd/src/guardrail/StatsdStats.cpp
index 2957457..a48ebc3 100644
--- a/cmds/statsd/src/guardrail/StatsdStats.cpp
+++ b/cmds/statsd/src/guardrail/StatsdStats.cpp
@@ -46,6 +46,7 @@
 const int FIELD_ID_METRIC_STATS = 6;
 const int FIELD_ID_ATOM_STATS = 7;
 const int FIELD_ID_UIDMAP_STATS = 8;
+const int FIELD_ID_ANOMALY_ALARM_STATS = 9;
 
 const int FIELD_ID_MATCHER_STATS_NAME = 1;
 const int FIELD_ID_MATCHER_STATS_COUNT = 2;
@@ -59,6 +60,8 @@
 const int FIELD_ID_ATOM_STATS_TAG = 1;
 const int FIELD_ID_ATOM_STATS_COUNT = 2;
 
+const int FIELD_ID_ANOMALY_ALARMS_REGISTERED = 1;
+
 // TODO: add stats for pulled atoms.
 StatsdStats::StatsdStats() {
     mPushedAtomStats.resize(android::util::kMaxPushedAtomId + 1);
@@ -219,6 +222,11 @@
     matcherStats[name]++;
 }
 
+void StatsdStats::noteRegisteredAnomalyAlarmChanged() {
+    lock_guard<std::mutex> lock(mLock);
+    mAnomalyAlarmRegisteredStats++;
+}
+
 void StatsdStats::noteAtomLogged(int atomId, int32_t timeSec) {
     lock_guard<std::mutex> lock(mLock);
 
@@ -246,6 +254,7 @@
     mConditionStats.clear();
     mMetricsStats.clear();
     std::fill(mPushedAtomStats.begin(), mPushedAtomStats.end(), 0);
+    mAnomalyAlarmRegisteredStats = 0;
     mMatcherStats.clear();
     for (auto& config : mConfigStats) {
         config.second.clear_broadcast_sent_time_sec();
@@ -386,6 +395,15 @@
         }
     }
 
+    if (mAnomalyAlarmRegisteredStats > 0) {
+        VLOG("********AnomalyAlarmStats stats***********");
+        long long token = proto.start(FIELD_TYPE_MESSAGE | FIELD_ID_ANOMALY_ALARM_STATS);
+        proto.write(FIELD_TYPE_INT32 | FIELD_ID_ANOMALY_ALARMS_REGISTERED,
+                    mAnomalyAlarmRegisteredStats);
+        proto.end(token);
+        VLOG("Anomaly alarm registrations: %d", mAnomalyAlarmRegisteredStats);
+    }
+
     const int numBytes = mUidMapStats.ByteSize();
     vector<char> buffer(numBytes);
     mUidMapStats.SerializeToArray(&buffer[0], numBytes);