Merge "Dump jank tagging to event log"

# See system/core/logcat/event.logtags for a description of the format of this file.

option java_package com.android.internal.jank;

# Marks a request to start tracing a CUJ. Doesn't mean the request was executed.

37001 jank_cuj_events_begin_request (CUJ Type|1|5)

# Marks a request to end tracing a CUJ. Doesn't mean the request was executed.

37002 jank_cuj_events_end_request (CUJ Type|1|5)

# Marks a request to cancel tracing a CUJ. Doesn't mean the request was executed.

37003 jank_cuj_events_cancel_request (CUJ Type|1|5)

    public boolean begin(@NonNull Configuration.Builder builder) {

        try {

            final Configuration config = builder.build();

            EventLogTags.writeJankCujEventsBeginRequest(config.mCujType);

            final TrackerResult result = new TrackerResult();

            final boolean success = config.getHandler().runWithScissors(

                    () -> result.mResult = beginInternal(config), EXECUTOR_TASK_TIMEOUT);

     * @return boolean true if the tracker is ended successfully, false otherwise.

     */

    public boolean end(@CujType int cujType) {

        EventLogTags.writeJankCujEventsEndRequest(cujType);

        FrameTracker tracker = getTracker(cujType);

        // Skip this call since we haven't started a trace yet.

        if (tracker == null) return false;

     * @return boolean true if the tracker is cancelled successfully, false otherwise.

     */

    public boolean cancel(@CujType int cujType) {

        EventLogTags.writeJankCujEventsCancelRequest(cujType);

        return cancel(cujType, REASON_CANCEL_NORMAL);

    }