diff options
| author | Jagadeesh Pakaravoor <jpakaravoor@google.com> | 2021-03-01 15:43:17 -0800 |
|---|---|---|
| committer | Jagadeesh Pakaravoor <jpakaravoor@google.com> | 2021-03-10 15:39:57 -0800 |
| commit | 28a5a1d51b6383dd61bab822b38f574018873096 (patch) | |
| tree | 76e08fd844287825ec922647d2a348ac46950414 /core/jni/AndroidRuntime.cpp | |
| parent | 36f5f53a6102b893f8a29de337696d95ff63827d (diff) | |
Add madvising of .odex, .vdex and .art files
1. When mmaping {.art, .odex, .vdex} files madvise them to
MADV_WILLNEED
2. Add system properties to limit the madvise size/range
Test: presubmit
Bug: 178853586
Change-Id: I7bd882e3e1021d48f00f297c4dd1d5a8098c087d
Diffstat (limited to 'core/jni/AndroidRuntime.cpp')
| -rw-r--r-- | core/jni/AndroidRuntime.cpp | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/core/jni/AndroidRuntime.cpp b/core/jni/AndroidRuntime.cpp index c01f741862b1..ed84434adff5 100644 --- a/core/jni/AndroidRuntime.cpp +++ b/core/jni/AndroidRuntime.cpp @@ -630,6 +630,12 @@ int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv, bool zygote, bool p char saveResolvedClassesDelayMsOptsBuf[ sizeof("-Xps-save-resolved-classes-delay-ms:")-1 + PROPERTY_VALUE_MAX]; char madviseRandomOptsBuf[sizeof("-XX:MadviseRandomAccess:")-1 + PROPERTY_VALUE_MAX]; + char madviseWillNeedFileSizeVdex[ + sizeof("-XMadviseWillNeedVdexFileSize:")-1 + PROPERTY_VALUE_MAX]; + char madviseWillNeedFileSizeOdex[ + sizeof("-XMadviseWillNeedOdexFileSize:")-1 + PROPERTY_VALUE_MAX]; + char madviseWillNeedFileSizeArt[ + sizeof("-XMadviseWillNeedArtFileSize:")-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]; @@ -838,6 +844,22 @@ int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv, bool zygote, bool p parseRuntimeOption("dalvik.vm.madvise-random", madviseRandomOptsBuf, "-XX:MadviseRandomAccess:"); /* + * Use default platform configuration as limits for madvising, + * when no properties are specified. + */ + parseRuntimeOption("dalvik.vm.madvise.vdexfile.size", + madviseWillNeedFileSizeVdex, + "-XMadviseWillNeedVdexFileSize:"); + + parseRuntimeOption("dalvik.vm.madvise.odexfile.size", + madviseWillNeedFileSizeOdex, + "-XMadviseWillNeedOdexFileSize:"); + + parseRuntimeOption("dalvik.vm.madvise.artfile.size", + madviseWillNeedFileSizeArt, + "-XMadviseWillNeedArtFileSize:"); + + /* * Profile related options. */ parseRuntimeOption("dalvik.vm.hot-startup-method-samples", hotstartupsamplesOptsBuf, |