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Use eventlog for latency tracking

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Change-Id: I82560bd0869bd4795ef350d8444f58f6d8672a7e
This commit is contained in:
Jorim Jaggi
2016-09-20 19:40:01 -07:00
parent a45d790bc7
commit 8ec75fbef3
2 changed files with 8 additions and 1 deletions
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7
packages/SystemUI/src/com/android/systemui/EventLogTags.logtags
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@@ -60,4 +60,9 @@ option java_package com.android.systemui;
## 3: USER_SYSTEM_UNBOUND Secondary user loses connection after system sysui has died
## 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)
36060 sysui_recents_connection (type|1),(user|1)
# ---------------------------
# LatencyTracker.java
# ---------------------------
36070 sysui_latency (action|1|5),(latency|1|3)

2
packages/SystemUI/src/com/android/systemui/LatencyTracker.java
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@@ -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);
}
}