From 0c759504f5955a62815a3775c47a1310f5788f7e Mon Sep 17 00:00:00 2001
From: Jorim Jaggi <jjaggi@google.com>
Date: Fri, 18 Jan 2019 14:10:26 +0100
Subject: [PATCH] Trace oom adjustment

Test: systrace
Bug: 122505787
Change-Id: I3d316711bb4db66c59f2d4b0abf4505734cb86b3
---
 services/core/java/com/android/server/am/OomAdjuster.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/services/core/java/com/android/server/am/OomAdjuster.java b/services/core/java/com/android/server/am/OomAdjuster.java
index dc033691eea5f..be910d46a8adf 100644
--- a/services/core/java/com/android/server/am/OomAdjuster.java
+++ b/services/core/java/com/android/server/am/OomAdjuster.java
@@ -58,6 +58,7 @@ import android.os.PowerManagerInternal;
 import android.os.Process;
 import android.os.RemoteException;
 import android.os.SystemClock;
+import android.os.Trace;
 import android.os.UserHandle;
 import android.util.ArraySet;
 import android.util.Slog;
@@ -184,6 +185,7 @@ public final class OomAdjuster {
 
     @GuardedBy("mService")
     final void updateOomAdjLocked() {
+        Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "updateOomAdj");
         mService.mOomAdjProfiler.oomAdjStarted();
         final ProcessRecord TOP_APP = mService.getTopAppLocked();
         final long now = SystemClock.uptimeMillis();
@@ -568,6 +570,7 @@ public final class OomAdjuster {
             }
         }
         mService.mOomAdjProfiler.oomAdjEnded();
+        Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER);
     }
 
     private final ComputeOomAdjWindowCallback mTmpComputeOomAdjWindowCallback =