From cd0caf5e8e8056ee714d8da5d4f76d08feabca5c Mon Sep 17 00:00:00 2001 From: Mathieu Chartier Date: Fri, 13 Oct 2017 11:29:27 -0700 Subject: [PATCH] Add property reading logic for dalvik.vm.madvise-random The property is passed to runtime init as -XX:MadviseRandomAccess. Bug: 67772594 Test: make and getprop Change-Id: I7cbab5d028067810276bc58c312806ea3785f93f --- core/jni/AndroidRuntime.cpp | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/core/jni/AndroidRuntime.cpp b/core/jni/AndroidRuntime.cpp index 5afd067506017..c522bc46184d8 100644 --- a/core/jni/AndroidRuntime.cpp +++ b/core/jni/AndroidRuntime.cpp @@ -615,6 +615,7 @@ int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv, bool zygote) char jitprithreadweightOptBuf[sizeof("-Xjitprithreadweight:")-1 + PROPERTY_VALUE_MAX]; char jittransitionweightOptBuf[sizeof("-Xjittransitionweight:")-1 + PROPERTY_VALUE_MAX]; char hotstartupsamplesOptsBuf[sizeof("-Xps-hot-startup-method-samples:")-1 + PROPERTY_VALUE_MAX]; + char madviseRandomOptsBuf[sizeof("-XX:MadviseRandomAccess:")-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]; @@ -741,6 +742,11 @@ int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv, bool zygote) jittransitionweightOptBuf, "-Xjittransitionweight:"); + /* + * Madvise related options. + */ + parseRuntimeOption("dalvik.vm.madvise-random", madviseRandomOptsBuf, "-XX:MadviseRandomAccess:"); + /* * Profile related options. */