Merge "Add ability to dump events in a timeline view." am: 255a171c5d am: 3b27d69612 (bfea5cdb) · Commits · e / os / android_frameworks_base

telecomm/java/android/telecom/Log.java

+17 −0

Original line number	Diff line number	Diff line
		@@ -268,6 +268,23 @@ public class Log {
		}
		}

		/**
		* Dumps the events in a timeline format.
		* @param pw The {@link IndentingPrintWriter} to write to.
		* @hide
		*/
		public static void dumpEventsTimeline(IndentingPrintWriter pw) {
		// If the Events logger has not been initialized, then there have been no events logged.
		// Don't load it now!
		synchronized (sSingletonSync) {
		if (sEventManager != null) {
		getEventManager().dumpEventsTimeline(pw);
		} else {
		pw.println("No Historical Events Logged.");
		}
		}
		}

		/**
		* Enable or disable extended telecom logging.
		*

telecomm/java/android/telecom/Logging/EventManager.java

+39 −1

Original line number	Diff line number	Diff line
		@@ -19,6 +19,7 @@ package android.telecom.Logging;
		import android.annotation.NonNull;
		import android.telecom.Log;
		import android.text.TextUtils;
		import android.util.Pair;

		import com.android.internal.annotations.VisibleForTesting;
		import com.android.internal.util.IndentingPrintWriter;
		@@ -27,6 +28,7 @@ import java.text.DateFormat;
		import java.text.SimpleDateFormat;
		import java.util.ArrayList;
		import java.util.Collections;
		import java.util.Comparator;
		import java.util.Date;
		import java.util.HashMap;
		import java.util.IllegalFormatException;
		@@ -35,6 +37,7 @@ import java.util.List;
		import java.util.Locale;
		import java.util.Map;
		import java.util.concurrent.LinkedBlockingQueue;
		import java.util.stream.Collectors;

		/**
		* A utility class that provides the ability to define Events that a subsystem deems important, and
		@@ -49,6 +52,7 @@ public class EventManager {
		public static final String TAG = "Logging.Events";
		@VisibleForTesting
		public static final int DEFAULT_EVENTS_TO_CACHE = 10; // Arbitrarily chosen.
		private final DateFormat sDateFormat = new SimpleDateFormat("HH:mm:ss.SSS");

		public interface Loggable {
		/**
		@@ -169,7 +173,6 @@ public class EventManager {
		}
		}

		private final DateFormat sDateFormat = new SimpleDateFormat("HH:mm:ss.SSS");
		private final List<Event> mEvents = new LinkedList<>();
		private final Loggable mRecordEntry;

		@@ -308,6 +311,41 @@ public class EventManager {
		pw.decreaseIndent();
		}

		/**
		* Dumps events in a timeline format.
		* @param pw The {@link IndentingPrintWriter} to output the timeline to.
		* @hide
		*/
		public void dumpEventsTimeline(IndentingPrintWriter pw) {
		pw.println("Historical Events (sorted by time):");

		// Flatten event records out for sorting.
		List<Pair<Loggable, Event>> events = new ArrayList<>();
		for (EventRecord er : mEventRecords) {
		for (Event ev : er.getEvents()) {
		events.add(new Pair<>(er.getRecordEntry(), ev));
		}
		}

		// Sort by event time.
		Comparator<Pair<Loggable, Event>> byEventTime = (e1, e2) -> {
		return Long.compare(e1.second.time, e2.second.time);
		};
		events.sort(byEventTime);

		pw.increaseIndent();
		for (Pair<Loggable, Event> event : events) {
		pw.print(sDateFormat.format(new Date(event.second.time)));
		pw.print(",");
		pw.print(event.first.getId());
		pw.print(",");
		pw.print(event.second.eventId);
		pw.print(",");
		pw.println(event.second.data);
		}
		pw.decreaseIndent();
		}

		public void changeEventCacheSize(int newSize) {

		// Resize the event queue.