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Commit 9ac03a05 authored by Nicolas Geoffray's avatar Nicolas Geoffray
Browse files

Use new image location for JIT Zygote. 

Bug:119800099
Test: boots, correct image is being picked up, correct files are being
pinned

Change-Id: I7add3006b0d72b005daabb6609d954b466985304
parent 6521c744

core/jni/AndroidRuntime.cpp

+12 −10
Original line number Diff line number Diff line
@@ -209,9 +209,11 @@ static const char* kNoGenerationalCCRuntimeOption = "-Xgc:nogenerational_cc"; 
static const char* PROFILE_BOOT_CLASS_PATH = "profilebootclasspath";



// Feature flag name for running the JIT in Zygote experiment, b/119800099.

static const char* ENABLE_APEX_IMAGE = "enable_apex_image";

// Flag to pass to the runtime when using the apex image.

static const char* kApexImageOption = "-Ximage:/system/framework/apex.art";

// TODO: Rename the server-level flag or remove.

static const char* ENABLE_JITZYGOTE_IMAGE = "enable_apex_image";

// Flag to pass to the runtime when using the JIT Zygote image.

static const char* kJitZygoteImageOption =

        "-Ximage:boot.art:/nonx/boot-framework.art!/system/etc/boot-image.prof";



// Feature flag name for disabling lock profiling.

static const char* DISABLE_LOCK_PROFILING = "disable_lock_profiling";
@@ -687,16 +689,16 @@ int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv, bool zygote, bool p 
        addOption("-Xjitsaveprofilinginfo");

    }



    std::string use_apex_image_flag =

    std::string use_jitzygote_image_flag =

            server_configurable_flags::GetServerConfigurableFlag(RUNTIME_NATIVE_BOOT_NAMESPACE,

                                                             ENABLE_APEX_IMAGE,

                                                                 ENABLE_JITZYGOTE_IMAGE,

                                                                 /*default_value=*/"");

    // Use the APEX boot image for boot class path profiling to get JIT samples on BCP methods.

    // Also use the APEX boot image if it's explicitly enabled via configuration flag.

    const bool use_apex_image = profile_boot_class_path || (use_apex_image_flag == "true");

    const bool use_apex_image = profile_boot_class_path || (use_jitzygote_image_flag == "true");

    if (use_apex_image) {

        addOption(kApexImageOption);

        ALOGI("Using Apex boot image: '%s'\n", kApexImageOption);

        ALOGI("Using JIT Zygote image: '%s'\n", kJitZygoteImageOption);

        addOption(kJitZygoteImageOption);

    } else if (parseRuntimeOption("dalvik.vm.boot-image", bootImageBuf, "-Ximage:")) {

        ALOGI("Using dalvik.vm.boot-image: '%s'\n", bootImageBuf);

    } else {

core/res/res/values/config.xml

+2 −2
Original line number Diff line number Diff line
@@ -3402,8 +3402,8 @@ 
    <!-- True if assistant app should be pinned via Pinner Service -->

    <bool name="config_pinnerAssistantApp">false</bool>



    <!-- List of files pinned by the Pinner Service with the apex boot image b/119800099 -->

    <string-array translatable="false" name="config_apexBootImagePinnerServiceFiles">

    <!-- List of files pinned by the Pinner Service with the JIT Zygote boot image b/119800099 -->

    <string-array translatable="false" name="config_jitzygoteBootImagePinnerServiceFiles">

    </string-array>



    <!-- Number of days preloaded file cache should be preserved on a device before it can be

core/res/res/values/symbols.xml

+1 −1
Original line number Diff line number Diff line
@@ -3037,7 +3037,7 @@ 
  <java-symbol type="bool" name="config_pinnerCameraApp" />

  <java-symbol type="bool" name="config_pinnerHomeApp" />

  <java-symbol type="bool" name="config_pinnerAssistantApp" />

  <java-symbol type="array" name="config_apexBootImagePinnerServiceFiles" />

  <java-symbol type="array" name="config_jitzygoteBootImagePinnerServiceFiles" />



  <java-symbol type="string" name="config_doubleTouchGestureEnableFile" />

services/core/java/com/android/server/PinnerService.java

+4 −3
Original line number Diff line number Diff line
@@ -272,10 +272,11 @@ public final class PinnerService extends SystemService { 
    private void handlePinOnStart() {

        final String bootImage = SystemProperties.get("dalvik.vm.boot-image", "");

        String[] filesToPin = null;

        if (bootImage.endsWith("apex.art")) {

            // Use the files listed for that specific boot image

        if (bootImage.endsWith("boot-image.prof")) {

            // Use the files listed for that specific boot image.

            // TODO: find a better way to know we're using the JIT zygote configuration.

            filesToPin = mContext.getResources().getStringArray(

                  com.android.internal.R.array.config_apexBootImagePinnerServiceFiles);

                  com.android.internal.R.array.config_jitzygoteBootImagePinnerServiceFiles);

        } else {

            // Files to pin come from the overlay and can be specified per-device config

            filesToPin = mContext.getResources().getStringArray(