Merge "Use APEX boot image for profilebootclasspath" am: 0726986b am: d10fe944

    // Read if we are using the profile configuration, do this at the start since the last ART args

    // take precedence.

    property_get("dalvik.vm.profilebootclasspath", propBuf, "");

    std::string profile_boot_class_path = propBuf;

    std::string profile_boot_class_path_flag = propBuf;

    // Empty means the property is unset and we should default to the phenotype property.

    // The possible values are {"true", "false", ""}

    if (profile_boot_class_path.empty()) {

        profile_boot_class_path = server_configurable_flags::GetServerConfigurableFlag(

    if (profile_boot_class_path_flag.empty()) {

        profile_boot_class_path_flag = server_configurable_flags::GetServerConfigurableFlag(

                RUNTIME_NATIVE_BOOT_NAMESPACE,

                PROFILE_BOOT_CLASS_PATH,

                /*default_value=*/ "");

    }

    if (profile_boot_class_path == "true") {

    const bool profile_boot_class_path = (profile_boot_class_path_flag == "true");

    if (profile_boot_class_path) {

        addOption("-Xcompiler-option");

        addOption("--count-hotness-in-compiled-code");

        addOption("-Xps-profile-boot-class-path");

        addOption("-Xps-profile-aot-code");

        addOption("-Xjitsaveprofilinginfo");

    }

    std::string use_apex_image =

    std::string use_apex_image_flag =

        server_configurable_flags::GetServerConfigurableFlag(RUNTIME_NATIVE_BOOT_NAMESPACE,

                                                             ENABLE_APEX_IMAGE,

                                                             /*default_value=*/ "");

    if (use_apex_image == "true") {

    // 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");

    if (use_apex_image) {

        addOption(kApexImageOption);

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

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