Merge "dumpsys: dump multiple types of info in one run" am: 9c6e104763 am: 41cb4e4d4f (8fab4aad) · Commits · e / os / android_frameworks_native

cmds/dumpstate/dumpstate.cpp

+2 −2

Original line number	Diff line number	Diff line
		@@ -1237,7 +1237,7 @@ static Dumpstate::RunStatus RunDumpsysTextByPriority(const std::string& title, i
		std::string path(title);
		path.append(" - ").append(String8(service).c_str());
		size_t bytes_written = 0;
		status_t status = dumpsys.startDumpThread(Dumpsys::Type::DUMP, service, args);
		status_t status = dumpsys.startDumpThread(Dumpsys::TYPE_DUMP, service, args);
		if (status == OK) {
		dumpsys.writeDumpHeader(STDOUT_FILENO, service, priority);
		std::chrono::duration<double> elapsed_seconds;
		@@ -1316,7 +1316,7 @@ static Dumpstate::RunStatus RunDumpsysProto(const std::string& title, int priori
		path.append("_HIGH");
		}
		path.append(kProtoExt);
		status_t status = dumpsys.startDumpThread(Dumpsys::Type::DUMP, service, args);
		status_t status = dumpsys.startDumpThread(Dumpsys::TYPE_DUMP, service, args);
		if (status == OK) {
		status = ds.AddZipEntryFromFd(path, dumpsys.getDumpFd(), service_timeout);
		bool dumpTerminated = (status == OK);

cmds/dumpsys/dumpsys.cpp

+43 −31

Original line number	Diff line number	Diff line
		@@ -62,13 +62,14 @@ static void usage() {
		"usage: dumpsys\n"
		" To dump all services.\n"
		"or:\n"
		" dumpsys [-t TIMEOUT] [--priority LEVEL] [--pid] [--thread] [--help \| -l \| "
		"--skip SERVICES "
		" dumpsys [-t TIMEOUT] [--priority LEVEL] [--dump] [--pid] [--thread] [--help \| "
		"-l \| --skip SERVICES "
		"\| SERVICE [ARGS]]\n"
		" --help: shows this help\n"
		" -l: only list services, do not dump them\n"
		" -t TIMEOUT_SEC: TIMEOUT to use in seconds instead of default 10 seconds\n"
		" -T TIMEOUT_MS: TIMEOUT to use in milliseconds instead of default 10 seconds\n"
		" --dump: ask the service to dump itself (this is the default)\n"
		" --pid: dump PID instead of usual dump\n"
		" --proto: filter services that support dumping data in proto format. Dumps\n"
		" will be in proto format.\n"
		@@ -127,10 +128,11 @@ int Dumpsys::main(int argc, char* const argv[]) {
		bool showListOnly = false;
		bool skipServices = false;
		bool asProto = false;
		Type type = Type::DUMP;
		int dumpTypeFlags = 0;
		int timeoutArgMs = 10000;
		int priorityFlags = IServiceManager::DUMP_FLAG_PRIORITY_ALL;
		static struct option longOptions[] = {{"help", no_argument, 0, 0},
		{"dump", no_argument, 0, 0},
		{"pid", no_argument, 0, 0},
		{"priority", required_argument, 0, 0},
		{"proto", no_argument, 0, 0},
		@@ -168,12 +170,14 @@ int Dumpsys::main(int argc, char* const argv[]) {
		usage();
		return -1;
		}
		} else if (!strcmp(longOptions[optionIndex].name, "dump")) {
		dumpTypeFlags \|= TYPE_DUMP;
		} else if (!strcmp(longOptions[optionIndex].name, "pid")) {
		type = Type::PID;
		dumpTypeFlags \|= TYPE_PID;
		} else if (!strcmp(longOptions[optionIndex].name, "stability")) {
		type = Type::STABILITY;
		dumpTypeFlags \|= TYPE_STABILITY;
		} else if (!strcmp(longOptions[optionIndex].name, "thread")) {
		type = Type::THREAD;
		dumpTypeFlags \|= TYPE_THREAD;
		}
		break;

		@@ -211,6 +215,10 @@ int Dumpsys::main(int argc, char* const argv[]) {
		}
		}

		if (dumpTypeFlags == 0) {
		dumpTypeFlags = TYPE_DUMP;
		}

		for (int i = optind; i < argc; i++) {
		if (skipServices) {
		skippedServices.add(String16(argv[i]));
		@@ -263,7 +271,7 @@ int Dumpsys::main(int argc, char* const argv[]) {
		const String16& serviceName = services[i];
		if (IsSkipped(skippedServices, serviceName)) continue;

		if (startDumpThread(type, serviceName, args) == OK) {
		if (startDumpThread(dumpTypeFlags, serviceName, args) == OK) {
		bool addSeparator = (N > 1);
		if (addSeparator) {
		writeDumpHeader(STDOUT_FILENO, serviceName, priorityFlags);
		@@ -330,18 +338,21 @@ void Dumpsys::setServiceArgs(Vector<String16>& args, bool asProto, int priorityF
		}
		}

		static status_t dumpPidToFd(const sp<IBinder>& service, const unique_fd& fd) {
		static status_t dumpPidToFd(const sp<IBinder>& service, const unique_fd& fd, bool exclusive) {
		pid_t pid;
		status_t status = service->getDebugPid(&pid);
		if (status != OK) {
		return status;
		}
		if (!exclusive) {
		WriteStringToFd("Service host process PID: ", fd.get());
		}
		WriteStringToFd(std::to_string(pid) + "\n", fd.get());
		return OK;
		}

		static status_t dumpStabilityToFd(const sp<IBinder>& service, const unique_fd& fd) {
		WriteStringToFd(internal::Stability::debugToString(service) + "\n", fd);
		WriteStringToFd("Stability: " + internal::Stability::debugToString(service) + "\n", fd);
		return OK;
		}

		@@ -362,7 +373,14 @@ static status_t dumpThreadsToFd(const sp<IBinder>& service, const unique_fd& fd)
		return OK;
		}

		status_t Dumpsys::startDumpThread(Type type, const String16& serviceName,
		static void reportDumpError(const String16& serviceName, status_t error, const char* context) {
		if (error == OK) return;

		std::cerr << "Error with service '" << serviceName << "' while " << context << ": "
		<< statusToString(error) << std::endl;
		}

		status_t Dumpsys::startDumpThread(int dumpTypeFlags, const String16& serviceName,
		const Vector<String16>& args) {
		sp<IBinder> service = sm_->checkService(serviceName);
		if (service == nullptr) {
		@@ -383,29 +401,23 @@ status_t Dumpsys::startDumpThread(Type type, const String16& serviceName,

		// dump blocks until completion, so spawn a thread..
		activeThread_ = std::thread([=, remote_end{std::move(remote_end)}]() mutable {
		status_t err = 0;

		switch (type) {
		case Type::DUMP:
		err = service->dump(remote_end.get(), args);
		break;
		case Type::PID:
		err = dumpPidToFd(service, remote_end);
		break;
		case Type::STABILITY:
		err = dumpStabilityToFd(service, remote_end);
		break;
		case Type::THREAD:
		err = dumpThreadsToFd(service, remote_end);
		break;
		default:
		std::cerr << "Unknown dump type" << static_cast<int>(type) << std::endl;
		return;
		if (dumpTypeFlags & TYPE_PID) {
		status_t err = dumpPidToFd(service, remote_end, dumpTypeFlags == TYPE_PID);
		reportDumpError(serviceName, err, "dumping PID");
		}
		if (dumpTypeFlags & TYPE_STABILITY) {
		status_t err = dumpStabilityToFd(service, remote_end);
		reportDumpError(serviceName, err, "dumping stability");
		}
		if (dumpTypeFlags & TYPE_THREAD) {
		status_t err = dumpThreadsToFd(service, remote_end);
		reportDumpError(serviceName, err, "dumping thread info");
		}

		if (err != OK) {
		std::cerr << "Error dumping service info status_t: " << statusToString(err) << " "
		<< serviceName << std::endl;
		// other types always act as a header, this is usually longer
		if (dumpTypeFlags & TYPE_DUMP) {
		status_t err = service->dump(remote_end.get(), args);
		reportDumpError(serviceName, err, "dumping");
		}
		});
		return OK;

cmds/dumpsys/dumpsys.h

+7 −6

Original line number	Diff line number	Diff line
		@@ -51,24 +51,25 @@ class Dumpsys {
		*/
		static void setServiceArgs(Vector<String16>& args, bool asProto, int priorityFlags);

		enum class Type {
		DUMP, // dump using `dump` function
		PID, // dump pid of server only
		STABILITY, // dump stability information of server
		THREAD, // dump thread usage of server only
		enum Type {
		TYPE_DUMP = 0x1, // dump using `dump` function
		TYPE_PID = 0x2, // dump pid of server only
		TYPE_STABILITY = 0x4, // dump stability information of server
		TYPE_THREAD = 0x8, // dump thread usage of server only
		};

		/**
		* Starts a thread to connect to a service and get its dump output. The thread redirects
		* the output to a pipe. Thread must be stopped by a subsequent call to {@code
		* stopDumpThread}.
		* @param dumpTypeFlags operations to perform
		* @param serviceName
		* @param args list of arguments to pass to service dump method.
		* @return {@code OK} thread is started successfully.
		* {@code NAME_NOT_FOUND} service could not be found.
		* {@code != OK} error
		*/
		status_t startDumpThread(Type type, const String16& serviceName,
		status_t startDumpThread(int dumpTypeFlags, const String16& serviceName,
		const Vector<String16>& args);

		/**

cmds/dumpsys/tests/dumpsys_test.cpp

+23 −1

Original line number	Diff line number	Diff line
		@@ -200,7 +200,7 @@ class DumpsysTest : public Test {
		CaptureStdout();
		CaptureStderr();
		dump_.setServiceArgs(args, supportsProto, priorityFlags);
		status_t status = dump_.startDumpThread(Dumpsys::Type::DUMP, serviceName, args);
		status_t status = dump_.startDumpThread(Dumpsys::TYPE_DUMP, serviceName, args);
		EXPECT_THAT(status, Eq(0));
		status = dump_.writeDump(STDOUT_FILENO, serviceName, std::chrono::milliseconds(500), false,
		elapsedDuration, bytesWritten);
		@@ -627,6 +627,28 @@ TEST_F(DumpsysTest, ListServiceWithThread) {
		AssertOutputFormat(format);
		}

		// Tests 'dumpsys --thread --stability'
		TEST_F(DumpsysTest, ListAllServicesWithMultipleOptions) {
		ExpectListServices({"Locksmith", "Valet"});
		ExpectCheckService("Locksmith");
		ExpectCheckService("Valet");

		CallMain({"--pid", "--stability"});
		AssertRunningServices({"Locksmith", "Valet"});

		AssertOutputContains(std::to_string(getpid()));
		AssertOutputContains("stability");
		}

		// Tests 'dumpsys --pid --stability service_name'
		TEST_F(DumpsysTest, ListServiceWithMultipleOptions) {
		ExpectCheckService("Locksmith");
		CallMain({"--pid", "--stability", "Locksmith"});

		AssertOutputContains(std::to_string(getpid()));
		AssertOutputContains("stability");
		}

		TEST_F(DumpsysTest, GetBytesWritten) {
		const char* serviceName = "service2";
		const char* dumpContents = "dump1";