Merge "add dump report reason to reports" into pi-dev am: a194a6bee3
am: e0f7fc0a47

Change-Id: I4b97af127a219ded41891d90d44dd5940b7dd0af
diff --git a/cmds/statsd/src/StatsLogProcessor.cpp b/cmds/statsd/src/StatsLogProcessor.cpp
index d3aefed..d548c0a 100644
--- a/cmds/statsd/src/StatsLogProcessor.cpp
+++ b/cmds/statsd/src/StatsLogProcessor.cpp
@@ -64,6 +64,7 @@
 const int FIELD_ID_CURRENT_REPORT_ELAPSED_NANOS = 4;
 const int FIELD_ID_LAST_REPORT_WALL_CLOCK_NANOS = 5;
 const int FIELD_ID_CURRENT_REPORT_WALL_CLOCK_NANOS = 6;
+const int FIELD_ID_DUMP_REPORT_REASON = 8;
 
 #define NS_PER_HOUR 3600 * NS_PER_SEC
 
@@ -183,7 +184,7 @@
             mInReconnection = false;
             StatsdStats::getInstance().noteLogLost(currentTimestampNs);
             // Persist the data before we reset. Do we want this?
-            WriteDataToDiskLocked();
+            WriteDataToDiskLocked(CONFIG_RESET);
             // We see fresher event before we see the checkpoint. We might have lost data.
             // The best we can do is to reset.
             std::vector<ConfigKey> configKeys;
@@ -251,7 +252,7 @@
                            mAnomalyAlarmMonitor, mPeriodicAlarmMonitor);
     auto it = mMetricsManagers.find(key);
     if (it != mMetricsManagers.end()) {
-        WriteDataToDiskLocked(it->first);
+        WriteDataToDiskLocked(it->first, CONFIG_UPDATED);
     }
     if (newMetricsManager->isConfigValid()) {
         mUidMap->OnConfigUpdated(key);
@@ -292,6 +293,7 @@
  */
 void StatsLogProcessor::onDumpReport(const ConfigKey& key, const int64_t dumpTimeStampNs,
                                      const bool include_current_partial_bucket,
+                                     const DumpReportReason dumpReportReason,
                                      vector<uint8_t>* outData) {
     std::lock_guard<std::mutex> lock(mMetricsMutex);
 
@@ -317,7 +319,8 @@
         // Start of ConfigMetricsReport (reports).
         uint64_t reportsToken =
                 proto.start(FIELD_TYPE_MESSAGE | FIELD_COUNT_REPEATED | FIELD_ID_REPORTS);
-        onConfigMetricsReportLocked(key, dumpTimeStampNs, include_current_partial_bucket, &proto);
+        onConfigMetricsReportLocked(key, dumpTimeStampNs, include_current_partial_bucket,
+                                    dumpReportReason, &proto);
         proto.end(reportsToken);
         // End of ConfigMetricsReport (reports).
     } else {
@@ -346,6 +349,7 @@
 void StatsLogProcessor::onConfigMetricsReportLocked(const ConfigKey& key,
                                                     const int64_t dumpTimeStampNs,
                                                     const bool include_current_partial_bucket,
+                                                    const DumpReportReason dumpReportReason,
                                                     ProtoOutputStream* proto) {
     // We already checked whether key exists in mMetricsManagers in
     // WriteDataToDisk.
@@ -374,6 +378,8 @@
                 (long long)lastReportWallClockNs);
     proto->write(FIELD_TYPE_INT64 | FIELD_ID_CURRENT_REPORT_WALL_CLOCK_NANOS,
                 (long long)getWallClockNs());
+    // Dump report reason
+    proto->write(FIELD_TYPE_INT32 | FIELD_ID_DUMP_REPORT_REASON, dumpReportReason);
 }
 
 void StatsLogProcessor::resetConfigsLocked(const int64_t timestampNs,
@@ -409,7 +415,7 @@
     std::lock_guard<std::mutex> lock(mMetricsMutex);
     auto it = mMetricsManagers.find(key);
     if (it != mMetricsManagers.end()) {
-        WriteDataToDiskLocked(key);
+        WriteDataToDiskLocked(key, CONFIG_REMOVED);
         mMetricsManagers.erase(it);
         mUidMap->OnConfigRemoved(key);
     }
@@ -455,10 +461,11 @@
     }
 }
 
-void StatsLogProcessor::WriteDataToDiskLocked(const ConfigKey& key) {
+void StatsLogProcessor::WriteDataToDiskLocked(const ConfigKey& key,
+                                              const DumpReportReason dumpReportReason) {
     ProtoOutputStream proto;
     onConfigMetricsReportLocked(key, getElapsedRealtimeNs(),
-                                true /* include_current_partial_bucket*/, &proto);
+                                true /* include_current_partial_bucket*/, dumpReportReason, &proto);
     string file_name = StringPrintf("%s/%ld_%d_%lld", STATS_DATA_DIR,
          (long)getWallClockSec(), key.GetUid(), (long long)key.GetId());
     android::base::unique_fd fd(open(file_name.c_str(),
@@ -470,15 +477,15 @@
     proto.flush(fd.get());
 }
 
-void StatsLogProcessor::WriteDataToDiskLocked() {
+void StatsLogProcessor::WriteDataToDiskLocked(const DumpReportReason dumpReportReason) {
     for (auto& pair : mMetricsManagers) {
-        WriteDataToDiskLocked(pair.first);
+        WriteDataToDiskLocked(pair.first, dumpReportReason);
     }
 }
 
-void StatsLogProcessor::WriteDataToDisk() {
+void StatsLogProcessor::WriteDataToDisk(bool isShutdown) {
     std::lock_guard<std::mutex> lock(mMetricsMutex);
-    WriteDataToDiskLocked();
+    WriteDataToDiskLocked(DEVICE_SHUTDOWN);
 }
 
 void StatsLogProcessor::informPullAlarmFired(const int64_t timestampNs) {
diff --git a/cmds/statsd/src/StatsLogProcessor.h b/cmds/statsd/src/StatsLogProcessor.h
index b91b01d..c2337c1 100644
--- a/cmds/statsd/src/StatsLogProcessor.h
+++ b/cmds/statsd/src/StatsLogProcessor.h
@@ -32,6 +32,17 @@
 namespace os {
 namespace statsd {
 
+// Keep this in sync with DumpReportReason enum in stats_log.proto
+enum DumpReportReason {
+    DEVICE_SHUTDOWN = 1,
+    CONFIG_UPDATED = 2,
+    CONFIG_REMOVED = 3,
+    GET_DATA_CALLED = 4,
+    ADB_DUMP = 5,
+    CONFIG_RESET = 6,
+    STATSCOMPANION_DIED = 7
+};
+
 class StatsLogProcessor : public ConfigListener {
 public:
     StatsLogProcessor(const sp<UidMap>& uidMap, const sp<AlarmMonitor>& anomalyAlarmMonitor,
@@ -52,7 +63,8 @@
     size_t GetMetricsSize(const ConfigKey& key) const;
 
     void onDumpReport(const ConfigKey& key, const int64_t dumpTimeNs,
-                      const bool include_current_partial_bucket, vector<uint8_t>* outData);
+                      const bool include_current_partial_bucket,
+                      const DumpReportReason dumpReportReason, vector<uint8_t>* outData);
 
     /* Tells MetricsManager that the alarms in alarmSet have fired. Modifies anomaly alarmSet. */
     void onAnomalyAlarmFired(
@@ -65,7 +77,7 @@
             unordered_set<sp<const InternalAlarm>, SpHash<InternalAlarm>> alarmSet);
 
     /* Flushes data to disk. Data on memory will be gone after written to disk. */
-    void WriteDataToDisk();
+    void WriteDataToDisk(bool shutdown);
 
     inline sp<UidMap> getUidMap() {
         return mUidMap;
@@ -109,11 +121,12 @@
     void OnConfigUpdatedLocked(
         const int64_t currentTimestampNs, const ConfigKey& key, const StatsdConfig& config);
 
-    void WriteDataToDiskLocked();
-    void WriteDataToDiskLocked(const ConfigKey& key);
+    void WriteDataToDiskLocked(DumpReportReason dumpReportReason);
+    void WriteDataToDiskLocked(const ConfigKey& key, DumpReportReason dumpReportReason);
 
     void onConfigMetricsReportLocked(const ConfigKey& key, const int64_t dumpTimeStampNs,
                                      const bool include_current_partial_bucket,
+                                     const DumpReportReason dumpReportReason,
                                      util::ProtoOutputStream* proto);
 
     /* Check if we should send a broadcast if approaching memory limits and if we're over, we
diff --git a/cmds/statsd/src/StatsService.cpp b/cmds/statsd/src/StatsService.cpp
index d025337..5229071 100644
--- a/cmds/statsd/src/StatsService.cpp
+++ b/cmds/statsd/src/StatsService.cpp
@@ -592,7 +592,7 @@
         if (good) {
             vector<uint8_t> data;
             mProcessor->onDumpReport(ConfigKey(uid, StrToInt64(name)), getElapsedRealtimeNs(),
-                                     false /* include_current_bucket*/, &data);
+                                     false /* include_current_bucket*/, ADB_DUMP, &data);
             // TODO: print the returned StatsLogReport to file instead of printing to logcat.
             if (proto) {
                 for (size_t i = 0; i < data.size(); i ++) {
@@ -658,7 +658,7 @@
 
 status_t StatsService::cmd_write_data_to_disk(FILE* out) {
     fprintf(out, "Writing data to disk\n");
-    mProcessor->WriteDataToDisk();
+    mProcessor->WriteDataToDisk(false);
     return NO_ERROR;
 }
 
@@ -815,11 +815,10 @@
     return Status::ok();
 }
 
-Status StatsService::writeDataToDisk() {
+Status StatsService::informDeviceShutdown(bool isShutdown) {
     ENFORCE_UID(AID_SYSTEM);
-
-    VLOG("StatsService::writeDataToDisk");
-    mProcessor->WriteDataToDisk();
+    VLOG("StatsService::informDeviceShutdown");
+    mProcessor->WriteDataToDisk(isShutdown);
     return Status::ok();
 }
 
@@ -866,8 +865,8 @@
     IPCThreadState* ipc = IPCThreadState::self();
     VLOG("StatsService::getData with Pid %i, Uid %i", ipc->getCallingPid(), ipc->getCallingUid());
     ConfigKey configKey(ipc->getCallingUid(), key);
-    mProcessor->onDumpReport(configKey, getElapsedRealtimeNs(),
-                             false /* include_current_bucket*/, output);
+    mProcessor->onDumpReport(configKey, getElapsedRealtimeNs(), false /* include_current_bucket*/,
+                             GET_DATA_CALLED, output);
     return Status::ok();
 }
 
@@ -966,7 +965,7 @@
 
 void StatsService::binderDied(const wp <IBinder>& who) {
     ALOGW("statscompanion service died");
-    mProcessor->WriteDataToDisk();
+    mProcessor->WriteDataToDisk(STATSCOMPANION_DIED);
     mAnomalyAlarmMonitor->setStatsCompanionService(nullptr);
     mPeriodicAlarmMonitor->setStatsCompanionService(nullptr);
     SubscriberReporter::getInstance().setStatsCompanionService(nullptr);
diff --git a/cmds/statsd/src/StatsService.h b/cmds/statsd/src/StatsService.h
index b5957b5..e409a71 100644
--- a/cmds/statsd/src/StatsService.h
+++ b/cmds/statsd/src/StatsService.h
@@ -66,7 +66,7 @@
                                     const vector<String16>& app);
     virtual Status informOnePackage(const String16& app, int32_t uid, int64_t version);
     virtual Status informOnePackageRemoved(const String16& app, int32_t uid);
-    virtual Status writeDataToDisk();
+    virtual Status informDeviceShutdown(bool isShutdown);
 
     /**
      * Called right before we start processing events.
diff --git a/cmds/statsd/src/packages/UidMap.cpp b/cmds/statsd/src/packages/UidMap.cpp
index 8eb5327..2674171 100644
--- a/cmds/statsd/src/packages/UidMap.cpp
+++ b/cmds/statsd/src/packages/UidMap.cpp
@@ -221,7 +221,7 @@
     {
         lock_guard<mutex> lock(mMutex);
 
-        int32_t prevVersion = 0;
+        int64_t prevVersion = 0;
         auto key = std::make_pair(uid, app);
         auto it = mMap.find(key);
         if (it != mMap.end() && !it->second.deleted) {
@@ -324,8 +324,9 @@
                          (long long)record.timestampNs);
             proto->write(FIELD_TYPE_STRING | FIELD_ID_CHANGE_PACKAGE, record.package);
             proto->write(FIELD_TYPE_INT32 | FIELD_ID_CHANGE_UID, (int)record.uid);
-            proto->write(FIELD_TYPE_INT32 | FIELD_ID_CHANGE_NEW_VERSION, (int)record.version);
-            proto->write(FIELD_TYPE_INT32 | FIELD_ID_CHANGE_PREV_VERSION, (int)record.prevVersion);
+            proto->write(FIELD_TYPE_INT64 | FIELD_ID_CHANGE_NEW_VERSION, (long long)record.version);
+            proto->write(FIELD_TYPE_INT64 | FIELD_ID_CHANGE_PREV_VERSION,
+                         (long long)record.prevVersion);
             proto->end(changesToken);
         }
     }
@@ -338,8 +339,8 @@
         uint64_t token = proto->start(FIELD_TYPE_MESSAGE | FIELD_COUNT_REPEATED |
                                       FIELD_ID_SNAPSHOT_PACKAGE_INFO);
         proto->write(FIELD_TYPE_STRING | FIELD_ID_SNAPSHOT_PACKAGE_NAME, kv.first.second);
-        proto->write(FIELD_TYPE_INT32 | FIELD_ID_SNAPSHOT_PACKAGE_VERSION,
-                     (int)kv.second.versionCode);
+        proto->write(FIELD_TYPE_INT64 | FIELD_ID_SNAPSHOT_PACKAGE_VERSION,
+                     (long long)kv.second.versionCode);
         proto->write(FIELD_TYPE_INT32 | FIELD_ID_SNAPSHOT_PACKAGE_UID, kv.first.first);
         proto->write(FIELD_TYPE_BOOL | FIELD_ID_SNAPSHOT_PACKAGE_DELETED, kv.second.deleted);
         proto->end(token);
diff --git a/cmds/statsd/src/packages/UidMap.h b/cmds/statsd/src/packages/UidMap.h
index 7222e85..755b707 100644
--- a/cmds/statsd/src/packages/UidMap.h
+++ b/cmds/statsd/src/packages/UidMap.h
@@ -59,11 +59,11 @@
     const int64_t timestampNs;
     const string package;
     const int32_t uid;
-    const int32_t version;
-    const int32_t prevVersion;
+    const int64_t version;
+    const int64_t prevVersion;
 
     ChangeRecord(const bool isDeletion, const int64_t timestampNs, const string& package,
-                 const int32_t uid, const int32_t version, const int32_t prevVersion)
+                 const int32_t uid, const int64_t version, const int64_t prevVersion)
         : deletion(isDeletion),
           timestampNs(timestampNs),
           package(package),
diff --git a/cmds/statsd/src/stats_log.proto b/cmds/statsd/src/stats_log.proto
index e1b6386..447e4b7 100644
--- a/cmds/statsd/src/stats_log.proto
+++ b/cmds/statsd/src/stats_log.proto
@@ -197,6 +197,17 @@
 
   optional int64 current_report_wall_clock_nanos = 6;
 
+  enum DumpReportReason {
+      DEVICE_SHUTDOWN = 1;
+      CONFIG_UPDATED = 2;
+      CONFIG_REMOVED = 3;
+      GET_DATA_CALLED = 4;
+      ADB_DUMP = 5;
+      CONFIG_RESET = 6;
+      STATSCOMPANION_DIED = 7;
+  }
+  optional DumpReportReason dump_report_reason = 8;
+
   message Annotation {
       optional int64 field_int64 = 1;
       optional int32 field_int32 = 2;
@@ -212,6 +223,8 @@
   optional ConfigKey config_key = 1;
 
   repeated ConfigMetricsReport reports = 2;
+
+  reserved 10;
 }
 
 message StatsdStatsReport {
diff --git a/cmds/statsd/tests/StatsLogProcessor_test.cpp b/cmds/statsd/tests/StatsLogProcessor_test.cpp
index 91a40e3..004b235 100644
--- a/cmds/statsd/tests/StatsLogProcessor_test.cpp
+++ b/cmds/statsd/tests/StatsLogProcessor_test.cpp
@@ -139,7 +139,7 @@
 
     // Expect to get no metrics, but snapshot specified above in uidmap.
     vector<uint8_t> bytes;
-    p.onDumpReport(key, 1, false, &bytes);
+    p.onDumpReport(key, 1, false, ADB_DUMP, &bytes);
 
     ConfigMetricsReportList output;
     output.ParseFromArray(bytes.data(), bytes.size());
@@ -167,7 +167,7 @@
 
     // Expect to get no metrics, but snapshot specified above in uidmap.
     vector<uint8_t> bytes;
-    p.onDumpReport(key, 1, false, &bytes);
+    p.onDumpReport(key, 1, false, ADB_DUMP, &bytes);
 
     ConfigMetricsReportList output;
     output.ParseFromArray(bytes.data(), bytes.size());
diff --git a/cmds/statsd/tests/e2e/Attribution_e2e_test.cpp b/cmds/statsd/tests/e2e/Attribution_e2e_test.cpp
index 4f035be..3b24341 100644
--- a/cmds/statsd/tests/e2e/Attribution_e2e_test.cpp
+++ b/cmds/statsd/tests/e2e/Attribution_e2e_test.cpp
@@ -144,7 +144,8 @@
     }
     ConfigMetricsReportList reports;
     vector<uint8_t> buffer;
-    processor->onDumpReport(cfgKey, bucketStartTimeNs + 4 * bucketSizeNs + 1, false, &buffer);
+    processor->onDumpReport(cfgKey, bucketStartTimeNs + 4 * bucketSizeNs + 1, false, ADB_DUMP,
+                            &buffer);
     EXPECT_TRUE(buffer.size() > 0);
     EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
     EXPECT_EQ(reports.reports_size(), 1);
@@ -286,7 +287,8 @@
     }
     ConfigMetricsReportList reports;
     vector<uint8_t> buffer;
-    processor->onDumpReport(cfgKey, bucketStartTimeNs + 4 * bucketSizeNs + 1, false, &buffer);
+    processor->onDumpReport(cfgKey, bucketStartTimeNs + 4 * bucketSizeNs + 1, false, ADB_DUMP,
+                            &buffer);
     EXPECT_TRUE(buffer.size() > 0);
     EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
     EXPECT_EQ(reports.reports_size(), 1);
diff --git a/cmds/statsd/tests/e2e/DimensionInCondition_e2e_combination_AND_cond_test.cpp b/cmds/statsd/tests/e2e/DimensionInCondition_e2e_combination_AND_cond_test.cpp
index 0758fd0..934b951 100644
--- a/cmds/statsd/tests/e2e/DimensionInCondition_e2e_combination_AND_cond_test.cpp
+++ b/cmds/statsd/tests/e2e/DimensionInCondition_e2e_combination_AND_cond_test.cpp
@@ -172,8 +172,8 @@
 
             ConfigMetricsReportList reports;
             vector<uint8_t> buffer;
-            processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1,
-                                    false, &buffer);
+            processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false,
+                                    ADB_DUMP, &buffer);
             EXPECT_TRUE(buffer.size() > 0);
             EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
 
@@ -490,7 +490,7 @@
             ConfigMetricsReportList reports;
             vector<uint8_t> buffer;
             processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false,
-                                    &buffer);
+                                    ADB_DUMP, &buffer);
             EXPECT_TRUE(buffer.size() > 0);
             EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
 
@@ -733,7 +733,8 @@
 
         ConfigMetricsReportList reports;
         vector<uint8_t> buffer;
-        processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false, &buffer);
+        processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false, ADB_DUMP,
+                                &buffer);
         EXPECT_TRUE(buffer.size() > 0);
         EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
 
diff --git a/cmds/statsd/tests/e2e/DimensionInCondition_e2e_combination_OR_cond_test.cpp b/cmds/statsd/tests/e2e/DimensionInCondition_e2e_combination_OR_cond_test.cpp
index e74be1e..9f20754 100644
--- a/cmds/statsd/tests/e2e/DimensionInCondition_e2e_combination_OR_cond_test.cpp
+++ b/cmds/statsd/tests/e2e/DimensionInCondition_e2e_combination_OR_cond_test.cpp
@@ -130,7 +130,8 @@
 
     ConfigMetricsReportList reports;
     vector<uint8_t> buffer;
-    processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false, &buffer);
+    processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false, ADB_DUMP,
+                            &buffer);
     EXPECT_TRUE(buffer.size() > 0);
     EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
 
@@ -342,7 +343,8 @@
 
     ConfigMetricsReportList reports;
     vector<uint8_t> buffer;
-    processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false, &buffer);
+    processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false, ADB_DUMP,
+                            &buffer);
     EXPECT_TRUE(buffer.size() > 0);
     EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
 
@@ -522,7 +524,8 @@
 
         ConfigMetricsReportList reports;
         vector<uint8_t> buffer;
-        processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false, &buffer);
+        processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false, ADB_DUMP,
+                                &buffer);
         EXPECT_TRUE(buffer.size() > 0);
         EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
 
@@ -720,7 +723,8 @@
 
         ConfigMetricsReportList reports;
         vector<uint8_t> buffer;
-        processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false, &buffer);
+        processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false, ADB_DUMP,
+                                &buffer);
         EXPECT_TRUE(buffer.size() > 0);
         EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
 
diff --git a/cmds/statsd/tests/e2e/DimensionInCondition_e2e_simple_cond_test.cpp b/cmds/statsd/tests/e2e/DimensionInCondition_e2e_simple_cond_test.cpp
index c32048b..3f193ac 100644
--- a/cmds/statsd/tests/e2e/DimensionInCondition_e2e_simple_cond_test.cpp
+++ b/cmds/statsd/tests/e2e/DimensionInCondition_e2e_simple_cond_test.cpp
@@ -143,7 +143,7 @@
             ConfigMetricsReportList reports;
             vector<uint8_t> buffer;
             processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false,
-                                    &buffer);
+                                    ADB_DUMP, &buffer);
             EXPECT_TRUE(buffer.size() > 0);
             EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
 
@@ -435,7 +435,7 @@
             ConfigMetricsReportList reports;
             vector<uint8_t> buffer;
             processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false,
-                                    &buffer);
+                                    ADB_DUMP, &buffer);
             EXPECT_TRUE(buffer.size() > 0);
             EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
 
@@ -652,7 +652,8 @@
 
         ConfigMetricsReportList reports;
         vector<uint8_t> buffer;
-        processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false, &buffer);
+        processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false, ADB_DUMP,
+                                &buffer);
         EXPECT_TRUE(buffer.size() > 0);
         EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
 
diff --git a/cmds/statsd/tests/e2e/GaugeMetric_e2e_pull_test.cpp b/cmds/statsd/tests/e2e/GaugeMetric_e2e_pull_test.cpp
index 9561fcf..f4ad0ce 100644
--- a/cmds/statsd/tests/e2e/GaugeMetric_e2e_pull_test.cpp
+++ b/cmds/statsd/tests/e2e/GaugeMetric_e2e_pull_test.cpp
@@ -122,7 +122,8 @@
 
     ConfigMetricsReportList reports;
     vector<uint8_t> buffer;
-    processor->onDumpReport(cfgKey, configAddedTimeNs + 7 * bucketSizeNs + 10, false, &buffer);
+    processor->onDumpReport(cfgKey, configAddedTimeNs + 7 * bucketSizeNs + 10, false, ADB_DUMP,
+                            &buffer);
     EXPECT_TRUE(buffer.size() > 0);
     EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
     EXPECT_EQ(1, reports.reports_size());
@@ -240,7 +241,8 @@
 
     ConfigMetricsReportList reports;
     vector<uint8_t> buffer;
-    processor->onDumpReport(cfgKey, configAddedTimeNs + 8 * bucketSizeNs + 10, false, &buffer);
+    processor->onDumpReport(cfgKey, configAddedTimeNs + 8 * bucketSizeNs + 10, false, ADB_DUMP,
+                            &buffer);
     EXPECT_TRUE(buffer.size() > 0);
     EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
     EXPECT_EQ(1, reports.reports_size());
@@ -340,7 +342,8 @@
 
     ConfigMetricsReportList reports;
     vector<uint8_t> buffer;
-    processor->onDumpReport(cfgKey, configAddedTimeNs + 7 * bucketSizeNs + 10, false, &buffer);
+    processor->onDumpReport(cfgKey, configAddedTimeNs + 7 * bucketSizeNs + 10, false, ADB_DUMP,
+                            &buffer);
     EXPECT_TRUE(buffer.size() > 0);
     EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
     EXPECT_EQ(1, reports.reports_size());
diff --git a/cmds/statsd/tests/e2e/GaugeMetric_e2e_push_test.cpp b/cmds/statsd/tests/e2e/GaugeMetric_e2e_push_test.cpp
index d79cb33..98372ff 100644
--- a/cmds/statsd/tests/e2e/GaugeMetric_e2e_push_test.cpp
+++ b/cmds/statsd/tests/e2e/GaugeMetric_e2e_push_test.cpp
@@ -149,7 +149,8 @@
         }
         ConfigMetricsReportList reports;
         vector<uint8_t> buffer;
-        processor->onDumpReport(cfgKey, bucketStartTimeNs + 3 * bucketSizeNs, false, &buffer);
+        processor->onDumpReport(cfgKey, bucketStartTimeNs + 3 * bucketSizeNs, false, ADB_DUMP,
+                                &buffer);
         EXPECT_TRUE(buffer.size() > 0);
         EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
         EXPECT_EQ(1, reports.reports_size());
diff --git a/cmds/statsd/tests/e2e/MetricConditionLink_e2e_test.cpp b/cmds/statsd/tests/e2e/MetricConditionLink_e2e_test.cpp
index 4ace382..8020787 100644
--- a/cmds/statsd/tests/e2e/MetricConditionLink_e2e_test.cpp
+++ b/cmds/statsd/tests/e2e/MetricConditionLink_e2e_test.cpp
@@ -200,7 +200,8 @@
     }
     ConfigMetricsReportList reports;
     vector<uint8_t> buffer;
-    processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs - 1, false, &buffer);
+    processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs - 1, false, ADB_DUMP,
+                            &buffer);
     EXPECT_TRUE(buffer.size() > 0);
     EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
     EXPECT_EQ(reports.reports_size(), 1);
@@ -315,7 +316,8 @@
     ConfigMetricsReportList reports;
     vector<uint8_t> buffer;
 
-    processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false, &buffer);
+    processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false, ADB_DUMP,
+                            &buffer);
     EXPECT_TRUE(buffer.size() > 0);
     EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
     EXPECT_EQ(reports.reports_size(), 1);
diff --git a/cmds/statsd/tests/e2e/PartialBucket_e2e_test.cpp b/cmds/statsd/tests/e2e/PartialBucket_e2e_test.cpp
index a34aaf0..d646f73 100644
--- a/cmds/statsd/tests/e2e/PartialBucket_e2e_test.cpp
+++ b/cmds/statsd/tests/e2e/PartialBucket_e2e_test.cpp
@@ -46,7 +46,7 @@
     IPCThreadState* ipc = IPCThreadState::self();
     ConfigKey configKey(ipc->getCallingUid(), kConfigKey);
     processor->onDumpReport(configKey, timestamp, include_current /* include_current_bucket*/,
-                            &output);
+                            ADB_DUMP, &output);
     ConfigMetricsReportList reports;
     reports.ParseFromArray(output.data(), output.size());
     EXPECT_EQ(1, reports.reports_size());
diff --git a/cmds/statsd/tests/e2e/ValueMetric_pull_e2e_test.cpp b/cmds/statsd/tests/e2e/ValueMetric_pull_e2e_test.cpp
index 62b6fcc..a01e91f 100644
--- a/cmds/statsd/tests/e2e/ValueMetric_pull_e2e_test.cpp
+++ b/cmds/statsd/tests/e2e/ValueMetric_pull_e2e_test.cpp
@@ -117,7 +117,8 @@
 
     ConfigMetricsReportList reports;
     vector<uint8_t> buffer;
-    processor->onDumpReport(cfgKey, configAddedTimeNs + 7 * bucketSizeNs + 10, false, &buffer);
+    processor->onDumpReport(cfgKey, configAddedTimeNs + 7 * bucketSizeNs + 10, false, ADB_DUMP,
+                            &buffer);
     EXPECT_TRUE(buffer.size() > 0);
     EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
     EXPECT_EQ(1, reports.reports_size());
@@ -220,7 +221,8 @@
 
     ConfigMetricsReportList reports;
     vector<uint8_t> buffer;
-    processor->onDumpReport(cfgKey, configAddedTimeNs + 9 * bucketSizeNs + 10, false, &buffer);
+    processor->onDumpReport(cfgKey, configAddedTimeNs + 9 * bucketSizeNs + 10, false, ADB_DUMP,
+                            &buffer);
     EXPECT_TRUE(buffer.size() > 0);
     EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
     EXPECT_EQ(1, reports.reports_size());
diff --git a/cmds/statsd/tests/e2e/WakelockDuration_e2e_test.cpp b/cmds/statsd/tests/e2e/WakelockDuration_e2e_test.cpp
index 55bf4be..974e442 100644
--- a/cmds/statsd/tests/e2e/WakelockDuration_e2e_test.cpp
+++ b/cmds/statsd/tests/e2e/WakelockDuration_e2e_test.cpp
@@ -127,7 +127,8 @@
     FeedEvents(config, processor);
     vector<uint8_t> buffer;
     ConfigMetricsReportList reports;
-    processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs - 1, false, &buffer);
+    processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs - 1, false, ADB_DUMP,
+                            &buffer);
     EXPECT_TRUE(buffer.size() > 0);
     EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
 
@@ -161,7 +162,8 @@
     vector<uint8_t> buffer;
     ConfigMetricsReportList reports;
 
-    processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false, &buffer);
+    processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false, ADB_DUMP,
+                            &buffer);
     EXPECT_TRUE(buffer.size() > 0);
     EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
     EXPECT_EQ(reports.reports_size(), 1);
@@ -208,7 +210,8 @@
         processor->OnLogEvent(event.get());
     }
 
-    processor->onDumpReport(cfgKey, bucketStartTimeNs + 6 * bucketSizeNs + 1, false, &buffer);
+    processor->onDumpReport(cfgKey, bucketStartTimeNs + 6 * bucketSizeNs + 1, false, ADB_DUMP,
+                            &buffer);
     EXPECT_TRUE(buffer.size() > 0);
     EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
     EXPECT_EQ(reports.reports_size(), 1);
@@ -237,7 +240,8 @@
     FeedEvents(config, processor);
     ConfigMetricsReportList reports;
     vector<uint8_t> buffer;
-    processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs - 1, false, &buffer);
+    processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs - 1, false, ADB_DUMP,
+                            &buffer);
     EXPECT_TRUE(buffer.size() > 0);
 
     EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
@@ -262,7 +266,8 @@
     FeedEvents(config, processor);
     ConfigMetricsReportList reports;
     vector<uint8_t> buffer;
-    processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false, &buffer);
+    processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false, ADB_DUMP,
+                            &buffer);
     EXPECT_TRUE(buffer.size() > 0);
     EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
     EXPECT_EQ(reports.reports_size(), 1);
@@ -304,7 +309,8 @@
         processor->OnLogEvent(event.get());
     }
 
-    processor->onDumpReport(cfgKey, bucketStartTimeNs + 6 * bucketSizeNs + 1, false, &buffer);
+    processor->onDumpReport(cfgKey, bucketStartTimeNs + 6 * bucketSizeNs + 1, false, ADB_DUMP,
+                            &buffer);
     EXPECT_TRUE(buffer.size() > 0);
     EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
     EXPECT_EQ(reports.reports_size(), 1);
diff --git a/core/java/android/os/IStatsManager.aidl b/core/java/android/os/IStatsManager.aidl
index 6b3b93a..36c5deb 100644
--- a/core/java/android/os/IStatsManager.aidl
+++ b/core/java/android/os/IStatsManager.aidl
@@ -54,9 +54,9 @@
     void informAlarmForSubscriberTriggeringFired();
 
     /**
-     * Tells statsd to store data to disk.
+     * Tells statsd that the device is about to shutdown.
      */
-    void writeDataToDisk();
+    void informDeviceShutdown(boolean isShutdown);
 
     /**
      * Inform statsd what the version and package are for each uid. Note that each array should
diff --git a/services/core/java/com/android/server/stats/StatsCompanionService.java b/services/core/java/com/android/server/stats/StatsCompanionService.java
index 401f74c..d1b48480 100644
--- a/services/core/java/com/android/server/stats/StatsCompanionService.java
+++ b/services/core/java/com/android/server/stats/StatsCompanionService.java
@@ -426,7 +426,7 @@
                     return;
                 }
                 try {
-                    sStatsd.writeDataToDisk();
+                  sStatsd.informDeviceShutdown(true);
                 } catch (Exception e) {
                     Slog.w(TAG, "Failed to inform statsd of a shutdown event.", e);
                 }