From 135677a71800c27d7747b5c86712d05a74392f62 Mon Sep 17 00:00:00 2001
From: Brad Fitzpatrick <bradfitz@android.com>
Date: Fri, 16 Apr 2010 16:55:41 -0700
Subject: [PATCH] For userdebug builds, enable Dalvik lock contention sampling.

Change-Id: I75cca6fc0ac0d0adfc059a8f82b2f6ae584361f3
---
 core/main.mk | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/core/main.mk b/core/main.mk
index 7553ede6be..014c0501e1 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -196,6 +196,9 @@ ifneq (,$(user_variant))
   ifeq ($(user_variant),userdebug)
     # Pick up some extra useful tools
     tags_to_install += debug
+
+    # Enable Dalvik lock contention logging for userdebug builds.
+    ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.lockprof.threshold=500
   else
     # Disable debugging in plain user builds.
     enable_target_debugging :=