From 8d74de55464c885b602b34252ee8721a9e810dcf Mon Sep 17 00:00:00 2001
From: Calin Juravle <calin@google.com>
Date: Wed, 27 Apr 2016 14:12:00 +0100
Subject: [PATCH] Read -Xjittransitionweight from system properties.

Bug: 27865109
Change-Id: I4a752a68693ac7d764d006f1282398c2e95ef1d0
---
 core/jni/AndroidRuntime.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/core/jni/AndroidRuntime.cpp b/core/jni/AndroidRuntime.cpp
index a6a4f6bf2d1b5..f889dd48a6ed8 100644
--- a/core/jni/AndroidRuntime.cpp
+++ b/core/jni/AndroidRuntime.cpp
@@ -594,6 +594,7 @@ int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv, bool zygote)
     char jitthresholdOptsBuf[sizeof("-Xjitthreshold:")-1 + PROPERTY_VALUE_MAX];
     char useJitProfilesOptsBuf[sizeof("-Xjitsaveprofilinginfo:")-1 + PROPERTY_VALUE_MAX];
     char jitprithreadweightOptBuf[sizeof("-Xjitprithreadweight:")-1 + PROPERTY_VALUE_MAX];
+    char jittransitionweightOptBuf[sizeof("-Xjittransitionweight:")-1 + PROPERTY_VALUE_MAX];
     char gctypeOptsBuf[sizeof("-Xgc:")-1 + PROPERTY_VALUE_MAX];
     char backgroundgcOptsBuf[sizeof("-XX:BackgroundGC=")-1 + PROPERTY_VALUE_MAX];
     char heaptargetutilizationOptsBuf[sizeof("-XX:HeapTargetUtilization=")-1 + PROPERTY_VALUE_MAX];
@@ -703,10 +704,15 @@ int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv, bool zygote)
     if (strcmp(useJitProfilesOptsBuf, "true") == 0) {
         addOption("-Xjitsaveprofilinginfo");
     }
+
     parseRuntimeOption("dalvik.vm.jitprithreadweight",
                        jitprithreadweightOptBuf,
                        "-Xjitprithreadweight:");
 
+    parseRuntimeOption("dalvik.vm.jittransitionweight",
+                       jittransitionweightOptBuf,
+                       "-Xjittransitionweight:");
+
     property_get("ro.config.low_ram", propBuf, "");
     if (strcmp(propBuf, "true") == 0) {
       addOption("-XX:LowMemoryMode");