Add boot profile support
If the boot profile file exists, its passed to the runtime as an
image compiler option. Also pass speed-profile for this case.
Bug: 37966211
Test: make, flash, and look at logcat during boot
Change-Id: I72e16eb19df390eea6304c0419ae332d79f41409
diff --git a/core/jni/AndroidRuntime.cpp b/core/jni/AndroidRuntime.cpp
index 9d9828e..89e137b 100644
--- a/core/jni/AndroidRuntime.cpp
+++ b/core/jni/AndroidRuntime.cpp
@@ -792,19 +792,27 @@
"--compiler-filter=", "-Ximage-compiler-option");
}
- // Make sure there is a preloaded-classes file.
- if (!hasFile("/system/etc/preloaded-classes")) {
- ALOGE("Missing preloaded-classes file, /system/etc/preloaded-classes not found: %s\n",
- strerror(errno));
- return -1;
- }
- addOption("-Ximage-compiler-option");
- addOption("--image-classes=/system/etc/preloaded-classes");
-
- // If there is a compiled-classes file, push it.
- if (hasFile("/system/etc/compiled-classes")) {
+ // If there is a boot profile, it takes precedence over the image and preloaded classes.
+ if (hasFile("/system/etc/boot-image.prof")) {
addOption("-Ximage-compiler-option");
- addOption("--compiled-classes=/system/etc/compiled-classes");
+ addOption("--profile-file=/system/etc/boot-image.prof");
+ addOption("-Ximage-compiler-option");
+ addOption("--compiler-filter=speed-profile");
+ } else {
+ // Make sure there is a preloaded-classes file.
+ if (!hasFile("/system/etc/preloaded-classes")) {
+ ALOGE("Missing preloaded-classes file, /system/etc/preloaded-classes not found: %s\n",
+ strerror(errno));
+ return -1;
+ }
+ addOption("-Ximage-compiler-option");
+ addOption("--image-classes=/system/etc/preloaded-classes");
+
+ // If there is a compiled-classes file, push it.
+ if (hasFile("/system/etc/compiled-classes")) {
+ addOption("-Ximage-compiler-option");
+ addOption("--compiled-classes=/system/etc/compiled-classes");
+ }
}
property_get("dalvik.vm.image-dex2oat-flags", dex2oatImageFlagsBuf, "");