Merge "Adds StatsLatencyLogger library." into tm-dev (18b9d159) · Commits · e / os / android_packages_apps_Trebuchet

quickstep/src/com/android/quickstep/logging/StatsLogCompatManager.java

+60 −0

Original line number	Diff line number	Diff line
		@@ -110,6 +110,11 @@ public class StatsLogCompatManager extends StatsLogManager {
		return new StatsCompatLogger(mContext, mActivityContext);
		}

		@Override
		protected StatsLatencyLogger createLatencyLogger() {
		return new StatsCompatLatencyLogger(mContext, mActivityContext);
		}

		/**
		* Synchronously writes an itemInfo to stats log
		*/
		@@ -422,6 +427,61 @@ public class StatsLogCompatManager extends StatsLogManager {
		}
		}

		/**
		* Helps to construct and log statsd compatible latency events.
		*/
		private static class StatsCompatLatencyLogger implements StatsLatencyLogger {
		private final Context mContext;
		private final Optional<ActivityContext> mActivityContext;
		private InstanceId mInstanceId = DEFAULT_INSTANCE_ID;
		private LatencyType mType = LatencyType.UNKNOWN;
		private long mLatencyInMillis;

		StatsCompatLatencyLogger(Context context, ActivityContext activityContext) {
		mContext = context;
		mActivityContext = Optional.ofNullable(activityContext);
		}

		@Override
		public StatsLatencyLogger withInstanceId(InstanceId instanceId) {
		this.mInstanceId = instanceId;
		return this;
		}

		@Override
		public StatsLatencyLogger withType(LatencyType type) {
		this.mType = type;
		return this;
		}

		@Override
		public StatsLatencyLogger withLatency(long latencyInMillis) {
		this.mLatencyInMillis = latencyInMillis;
		return this;
		}

		@Override
		public void log(EventEnum event) {
		if (IS_VERBOSE) {
		String name = (event instanceof Enum) ? ((Enum) event).name() :
		event.getId() + "";

		Log.d(TAG, mInstanceId == DEFAULT_INSTANCE_ID
		? String.format("\n%s = %dms\n", name, mLatencyInMillis)
		: String.format("\n%s = %dms (InstanceId:%s)\n", name,
		mLatencyInMillis, mInstanceId));
		}

		SysUiStatsLog.write(SysUiStatsLog.LAUNCHER_LATENCY,
		event.getId(), // event_id
		mInstanceId.getId(), // instance_id
		0, // package_id
		mLatencyInMillis, // latency_in_millis
		mType.getId() //type
		);
		}
		}

		private static int getCardinality(LauncherAtom.ItemInfo info) {
		switch (info.getContainerInfo().getContainerCase()) {
		case PREDICTED_HOTSEAT_CONTAINER:

src/com/android/launcher3/logging/StatsLogManager.java

+69 −1

Original line number	Diff line number	Diff line
		@@ -562,7 +562,7 @@ public class StatsLogManager implements ResourceBasedOverride {
		}

		/**
		* Helps to construct and write the log message.
		* Helps to construct and log launcher event.
		*/
		public interface StatsLogger {

		@@ -661,6 +661,58 @@ public class StatsLogManager implements ResourceBasedOverride {
		}
		}

		/**
		* Helps to construct and log latency event.
		*/
		public interface StatsLatencyLogger {

		enum LatencyType {
		UNKNOWN(0),
		COLD(1),
		HOT(2);

		private final int mId;

		LatencyType(int id) {
		this.mId = id;
		}

		public int getId() {
		return mId;
		}

		}

		/**
		* Sets {@link InstanceId} of log message.
		*/
		default StatsLatencyLogger withInstanceId(InstanceId instanceId) {
		return this;
		}


		/**
		* Sets latency of the event.
		*/
		default StatsLatencyLogger withLatency(long latencyInMillis) {
		return this;
		}

		/**
		* Sets {@link LatencyType} of log message.
		*/
		default StatsLatencyLogger withType(LatencyType type) {
		return this;
		}


		/**
		* Builds the final message and logs it as {@link EventEnum}.
		*/
		default void log(EventEnum event) {
		}
		}

		/**
		* Returns new logger object.
		*/
		@@ -672,11 +724,27 @@ public class StatsLogManager implements ResourceBasedOverride {
		return logger;
		}

		/**
		* Returns new latency logger object.
		*/
		public StatsLatencyLogger latencyLogger() {
		StatsLatencyLogger logger = createLatencyLogger();
		if (mInstanceId != null) {
		logger.withInstanceId(mInstanceId);
		}
		return logger;
		}

		protected StatsLogger createLogger() {
		return new StatsLogger() {
		};
		}

		protected StatsLatencyLogger createLatencyLogger() {
		return new StatsLatencyLogger() {
		};
		}

		/**
		* Sets InstanceId to every new {@link StatsLogger} object returned by {@link #logger()} when
		* not-null.