Preload DexCaches

Bug: 11045348
Change-Id: I3025d8f95e157af602b0ae91d974cb5e6678fb3d

2 files changed, 9 insertions, 0 deletions

diff --git a/libart/src/main/java/dalvik/system/VMRuntime.java b/libart/src/main/java/dalvik/system/VMRuntime.java
index 19e18da..8f19e3a 100644
--- a/libart/src/main/java/dalvik/system/VMRuntime.java
+++ b/libart/src/main/java/dalvik/system/VMRuntime.java
@@ -240,4 +240,8 @@ public final class VMRuntime {
 
     public native void trimHeap();
     public native void concurrentGC();
+
+    public void preloadDexCaches() {
+        // Do nothing with ART, image generation already does this.
+    }
 }
diff --git a/libdvm/src/main/java/dalvik/system/VMRuntime.java b/libdvm/src/main/java/dalvik/system/VMRuntime.java
index cd4a9db..e1b4a00 100644
--- a/libdvm/src/main/java/dalvik/system/VMRuntime.java
+++ b/libdvm/src/main/java/dalvik/system/VMRuntime.java
@@ -237,4 +237,9 @@ public final class VMRuntime {
      * Registers a native free by reducing the number of native bytes accounted for.
      */
     public native void registerNativeFree(int bytes);
+
+    /**
+     * Fill in dex caches with classes, fields, and methods that are already loaded.
+     */
+    public native void preloadDexCaches();
 }