Send boot completed to statsd
Bug: 153384066
Test: m -j
Change-Id: I3f91241851a93d0869dad210bc278b3a1ba6b762
diff --git a/apex/statsd/aidl/android/os/IStatsd.aidl b/apex/statsd/aidl/android/os/IStatsd.aidl
index db80650..80308d2 100644
--- a/apex/statsd/aidl/android/os/IStatsd.aidl
+++ b/apex/statsd/aidl/android/os/IStatsd.aidl
@@ -31,6 +31,11 @@
oneway void systemRunning();
/**
+ * Tell the stats daemon that the android system has finished booting.
+ */
+ oneway void bootCompleted();
+
+ /**
* Tell the stats daemon that the StatsCompanionService is up and running.
* Two-way binder call so that caller knows message received.
*/
diff --git a/apex/statsd/service/java/com/android/server/stats/StatsCompanion.java b/apex/statsd/service/java/com/android/server/stats/StatsCompanion.java
index c1ba73f..dc477a5 100644
--- a/apex/statsd/service/java/com/android/server/stats/StatsCompanion.java
+++ b/apex/statsd/service/java/com/android/server/stats/StatsCompanion.java
@@ -87,6 +87,9 @@
if (phase == PHASE_THIRD_PARTY_APPS_CAN_START) {
mStatsCompanionService.systemReady();
}
+ if (phase == PHASE_BOOT_COMPLETED) {
+ mStatsCompanionService.bootCompleted();
+ }
}
}
diff --git a/apex/statsd/service/java/com/android/server/stats/StatsCompanionService.java b/apex/statsd/service/java/com/android/server/stats/StatsCompanionService.java
index aad5112..7162229 100644
--- a/apex/statsd/service/java/com/android/server/stats/StatsCompanionService.java
+++ b/apex/statsd/service/java/com/android/server/stats/StatsCompanionService.java
@@ -112,6 +112,18 @@
private final HashMap<Long, String> mDeletedFiles = new HashMap<>();
private final CompanionHandler mHandler;
+ // Flag that is set when PHASE_BOOT_COMPLETED is triggered in the StatsCompanion lifecycle. This
+ // and the flag mSentBootComplete below is used for synchronization to ensure that the boot
+ // complete signal is only ever sent once to statsd. Two signals are needed because
+ // #sayHiToStatsd can be called from both statsd and #onBootPhase
+ // PHASE_THIRD_PARTY_APPS_CAN_START.
+ @GuardedBy("sStatsdLock")
+ private boolean mBootCompleted = false;
+ // Flag that is set when IStatsd#bootCompleted is called. This flag ensures that boot complete
+ // signal is only ever sent once.
+ @GuardedBy("sStatsdLock")
+ private boolean mSentBootComplete = false;
+
public StatsCompanionService(Context context) {
super();
mContext = context;
@@ -704,6 +716,19 @@
List.of(appUpdateReceiver, userUpdateReceiver, shutdownEventReceiver));
final long token = Binder.clearCallingIdentity();
+
+ // Used so we can call statsd.bootComplete() outside of the lock.
+ boolean shouldSendBootComplete = false;
+ synchronized (sStatsdLock) {
+ if (mBootCompleted && !mSentBootComplete) {
+ mSentBootComplete = true;
+ shouldSendBootComplete = true;
+ }
+ }
+ if (shouldSendBootComplete) {
+ statsd.bootCompleted();
+ }
+
try {
// Pull the latest state of UID->app name, version mapping when
// statsd starts.
@@ -765,6 +790,7 @@
mContext.unregisterReceiver(receiver);
}
statsdNotReadyLocked();
+ mSentBootComplete = false;
}
}
}
@@ -774,6 +800,28 @@
mStatsManagerService.statsdNotReady();
}
+ void bootCompleted() {
+ IStatsd statsd = getStatsdNonblocking();
+ synchronized (sStatsdLock) {
+ mBootCompleted = true;
+ if (mSentBootComplete) {
+ // do not send a boot complete a second time.
+ return;
+ }
+ if (statsd == null) {
+ // Statsd is not yet ready.
+ // Delay the boot completed ping to {@link #sayHiToStatsd()}
+ return;
+ }
+ mSentBootComplete = true;
+ }
+ try {
+ statsd.bootCompleted();
+ } catch (RemoteException e) {
+ Log.e(TAG, "Failed to notify statsd that boot completed");
+ }
+ }
+
@Override
protected void dump(FileDescriptor fd, PrintWriter writer, String[] args) {
if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
diff --git a/cmds/statsd/src/StatsService.cpp b/cmds/statsd/src/StatsService.cpp
index d51bf77..dd1d400 100644
--- a/cmds/statsd/src/StatsService.cpp
+++ b/cmds/statsd/src/StatsService.cpp
@@ -1054,6 +1054,14 @@
return Status::ok();
}
+Status StatsService::bootCompleted() {
+ ENFORCE_UID(AID_SYSTEM);
+
+ VLOG("StatsService::bootCompleted was called");
+
+ return Status::ok();
+}
+
void StatsService::Startup() {
mConfigManager->Startup();
mProcessor->LoadActiveConfigsFromDisk();
diff --git a/cmds/statsd/src/StatsService.h b/cmds/statsd/src/StatsService.h
index ca01eeb..23d4c1b 100644
--- a/cmds/statsd/src/StatsService.h
+++ b/cmds/statsd/src/StatsService.h
@@ -64,6 +64,7 @@
virtual Status systemRunning();
virtual Status statsCompanionReady();
+ virtual Status bootCompleted();
virtual Status informAnomalyAlarmFired();
virtual Status informPollAlarmFired();
virtual Status informAlarmForSubscriberTriggeringFired();