commit 407c0be727bb77360494f8cbc5aa879515e15484
author Jorim Jaggi <jjaggi@google.com> Mon Aug 01 13:31:55 2016 +0200
committer Jorim Jaggi <jjaggi@google.com> Tue Aug 02 11:06:46 2016 +0200
tree 0482d1ba4719b8593a92ee7fa7bee6d8c6c1679f
parent dbe6fdb05be5dc7b988c542cbbde7788f15b775f

Only get trace name if tracing is enabled

String formatting creates new objects, so only do it if needed.

Bug: 30549756
Change-Id: I8035357c2b9c3066ef7663b938654f698a2321bc

core/java/android/os/Looper.java

diff --git a/core/java/android/os/Looper.java b/core/java/android/os/Looper.java
index b58ff1f..d299672 100644
--- a/core/java/android/os/Looper.java
+++ b/core/java/android/os/Looper.java
@@ -147,7 +147,7 @@
             }
 
             final long traceTag = me.mTraceTag;
-            if (traceTag != 0) {
+            if (traceTag != 0 && Trace.isTagEnabled(traceTag)) {
                 Trace.traceBegin(traceTag, msg.target.getTraceName(msg));
             }
             try {