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Commit 8ec75fbe authored by Jorim Jaggi's avatar Jorim Jaggi
Browse files

Use eventlog for latency tracking 

Change-Id: I82560bd0869bd4795ef350d8444f58f6d8672a7e
parent a45d790b

packages/SystemUI/src/com/android/systemui/EventLogTags.logtags

+6 −1
Original line number Diff line number Diff line
@@ -61,3 +61,8 @@ option java_package com.android.systemui; 
##       4: SYSTEM_REGISTER_USER     System sysui registers user's callbacks

##       5: SYSTEM_UNREGISTER_USER   System sysui unregisters user's callbacks (after death)

36060 sysui_recents_connection (type|1),(user|1)



# ---------------------------

# LatencyTracker.java

# ---------------------------

36070 sysui_latency (action|1|5),(latency|1|3)

packages/SystemUI/src/com/android/systemui/LatencyTracker.java

+2 −0
Original line number Diff line number Diff line
@@ -25,6 +25,7 @@ import android.os.Handler; 
import android.os.SystemClock;

import android.os.SystemProperties;

import android.os.Trace;

import android.util.EventLog;

import android.util.Log;

import android.util.SparseLongArray;
@@ -119,5 +120,6 @@ public class LatencyTracker { 
        Trace.asyncTraceEnd(Trace.TRACE_TAG_APP, NAMES[action], 0);

        long duration = endRtc - startRtc;

        Log.i(TAG, "action=" + action + " latency=" + duration);

        EventLog.writeEvent(EventLogTags.SYSUI_LATENCY, action, (int) duration);

    }

}