Merge "Add phenotype property for enabling profiling of boot class path" (1d6cec93) · Commits · e / os / android_frameworks_base

core/jni/AndroidRuntime.cpp

+21 −7

Original line number	Diff line number	Diff line
		@@ -245,6 +245,9 @@ static const char* kGenerationalCCRuntimeOption = "-Xgc:generational_cc";
		// Copying (CC) garbage collector.
		static const char* kNoGenerationalCCRuntimeOption = "-Xgc:nogenerational_cc";

		// Phenotype property name for enabling profiling the boot class path.
		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.
		@@ -690,6 +693,24 @@ int AndroidRuntime::startVm(JavaVM pJavaVM, JNIEnv pEnv, bool zygote, bool p
		char jdwpProviderBuf[sizeof("-XjdwpProvider:") - 1 + PROPERTY_VALUE_MAX];
		char bootImageBuf[sizeof("-Ximage:") - 1 + PROPERTY_VALUE_MAX];

		// 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;
		// 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(
		RUNTIME_NATIVE_BOOT_NAMESPACE,
		PROFILE_BOOT_CLASS_PATH,
		/default_value=/ "");
		}
		if (profile_boot_class_path == "true") {
		addOption("-Xps-profile-boot-class-path");
		addOption("-Xps-profile-aot-code");
		addOption("-Xjitsaveprofilinginfo");
		}

		std::string use_apex_image =
		server_configurable_flags::GetServerConfigurableFlag(RUNTIME_NATIVE_BOOT_NAMESPACE,
		ENABLE_APEX_IMAGE,
		@@ -807,13 +828,6 @@ int AndroidRuntime::startVm(JavaVM pJavaVM, JNIEnv pEnv, bool zygote, bool p
		parseRuntimeOption("dalvik.vm.jittransitionweight",
		jittransitionweightOptBuf,
		"-Xjittransitionweight:");

		property_get("dalvik.vm.profilebootimage", propBuf, "");
		if (strcmp(propBuf, "true") == 0) {
		addOption("-Xps-profile-boot-class-path");
		addOption("-Xps-profile-aot-code");
		}

		/*
		* Madvise related options.
		*/