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Commit f99e70e9 authored by Mathieu Chartier's avatar Mathieu Chartier
Browse files

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
parent 0ae7e7a9

core/jni/AndroidRuntime.cpp

+20 −12
Original line number Diff line number Diff line
@@ -792,6 +792,13 @@ int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv, bool zygote) 
                            "--compiler-filter=", "-Ximage-compiler-option");

    }



    // 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("--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",
@@ -806,6 +813,7 @@ int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv, bool zygote) 
            addOption("-Ximage-compiler-option");

            addOption("--compiled-classes=/system/etc/compiled-classes");

        }

    }



    property_get("dalvik.vm.image-dex2oat-flags", dex2oatImageFlagsBuf, "");

    parseExtraOpts(dex2oatImageFlagsBuf, "-Ximage-compiler-option");