libs/hwui/jni/GraphicsStatsService.cpp - platform/frameworks/base - Git at Google

 /*
  * Copyright (C) 2017 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 #undef LOG_TAG
 #define LOG_TAG "GraphicsStatsService"

 #include <JankTracker.h>
 #include <log/log.h>
 #include <nativehelper/ScopedPrimitiveArray.h>
 #include <nativehelper/ScopedUtfChars.h>
 #include <service/GraphicsStatsService.h>
 #include <stats_event.h>
 #include <stats_pull_atom_callback.h>
 #include <statslog.h>

 #include "android/graphics/jni_runtime.h"
 #include "GraphicsJNI.h"

 namespace android {

 using namespace android::uirenderer;

 static jint getAshmemSize(JNIEnv*, jobject) {
     return sizeof(ProfileData);
 }

 static jlong createDump(JNIEnv*, jobject, jint fd, jboolean isProto) {
     GraphicsStatsService::Dump* dump =
             GraphicsStatsService::createDump(fd,
                                              isProto ? GraphicsStatsService::DumpType::Protobuf
                                                      : GraphicsStatsService::DumpType::Text);
     return reinterpret_cast<jlong>(dump);
 }

 static void addToDump(JNIEnv* env, jobject, jlong dumpPtr, jstring jpath, jstring jpackage,
                       jlong versionCode, jlong startTime, jlong endTime, jbyteArray jdata) {
     std::string path;
     const ProfileData* data = nullptr;
     LOG_ALWAYS_FATAL_IF(jdata == nullptr && jpath == nullptr, "Path and data can't both be null");
     ScopedByteArrayRO buffer{env};
     if (jdata != nullptr) {
         buffer.reset(jdata);
         LOG_ALWAYS_FATAL_IF(buffer.size() != sizeof(ProfileData),
                             "Buffer size %zu doesn't match expected %zu!", buffer.size(),
                             sizeof(ProfileData));
         data = reinterpret_cast<const ProfileData*>(buffer.get());
     }
     if (jpath != nullptr) {
         ScopedUtfChars pathChars(env, jpath);
         LOG_ALWAYS_FATAL_IF(pathChars.size() <= 0 || !pathChars.c_str(),
                             "Failed to get path chars");
         path.assign(pathChars.c_str(), pathChars.size());
     }
     ScopedUtfChars packageChars(env, jpackage);
     LOG_ALWAYS_FATAL_IF(packageChars.size() <= 0 || !packageChars.c_str(),
                         "Failed to get path chars");
     GraphicsStatsService::Dump* dump = reinterpret_cast<GraphicsStatsService::Dump*>(dumpPtr);
     LOG_ALWAYS_FATAL_IF(!dump, "null passed for dump pointer");

     const std::string package(packageChars.c_str(), packageChars.size());
     GraphicsStatsService::addToDump(dump, path, package, versionCode, startTime, endTime, data);
 }

 static void addFileToDump(JNIEnv* env, jobject, jlong dumpPtr, jstring jpath) {
     ScopedUtfChars pathChars(env, jpath);
     LOG_ALWAYS_FATAL_IF(pathChars.size() <= 0 || !pathChars.c_str(), "Failed to get path chars");
     const std::string path(pathChars.c_str(), pathChars.size());
     GraphicsStatsService::Dump* dump = reinterpret_cast<GraphicsStatsService::Dump*>(dumpPtr);
     GraphicsStatsService::addToDump(dump, path);
 }

 static void finishDump(JNIEnv*, jobject, jlong dumpPtr) {
     GraphicsStatsService::Dump* dump = reinterpret_cast<GraphicsStatsService::Dump*>(dumpPtr);
     GraphicsStatsService::finishDump(dump);
 }

 static void finishDumpInMemory(JNIEnv* env, jobject, jlong dumpPtr, jlong pulledData,
                                jboolean lastFullDay) {
     GraphicsStatsService::Dump* dump = reinterpret_cast<GraphicsStatsService::Dump*>(dumpPtr);
     AStatsEventList* data = reinterpret_cast<AStatsEventList*>(pulledData);
     GraphicsStatsService::finishDumpInMemory(dump, data, lastFullDay == JNI_TRUE);
 }

 static void saveBuffer(JNIEnv* env, jobject clazz, jstring jpath, jstring jpackage,
                        jlong versionCode, jlong startTime, jlong endTime, jbyteArray jdata) {
     ScopedByteArrayRO buffer(env, jdata);
     LOG_ALWAYS_FATAL_IF(buffer.size() != sizeof(ProfileData),
                         "Buffer size %zu doesn't match expected %zu!", buffer.size(),
                         sizeof(ProfileData));
     ScopedUtfChars pathChars(env, jpath);
     LOG_ALWAYS_FATAL_IF(pathChars.size() <= 0 || !pathChars.c_str(), "Failed to get path chars");
     ScopedUtfChars packageChars(env, jpackage);
     LOG_ALWAYS_FATAL_IF(packageChars.size() <= 0 || !packageChars.c_str(),
                         "Failed to get path chars");

     const std::string path(pathChars.c_str(), pathChars.size());
     const std::string package(packageChars.c_str(), packageChars.size());
     const ProfileData* data = reinterpret_cast<const ProfileData*>(buffer.get());
     GraphicsStatsService::saveBuffer(path, package, versionCode, startTime, endTime, data);
 }

 static jobject gGraphicsStatsServiceObject = nullptr;
 static jmethodID gGraphicsStatsService_pullGraphicsStatsMethodID;

 static JNIEnv* getJNIEnv() {
     JavaVM* vm = GraphicsJNI::getJavaVM();
     JNIEnv* env = nullptr;
     if (vm->GetEnv(reinterpret_cast<void**>(&env), JNI_VERSION_1_6) != JNI_OK) {
         if (vm->AttachCurrentThreadAsDaemon(&env, nullptr) != JNI_OK) {
             LOG_ALWAYS_FATAL("Failed to AttachCurrentThread!");
         }
     }
     return env;
 }

 // graphicsStatsPullCallback is invoked by statsd service to pull GRAPHICS_STATS atom.
 static AStatsManager_PullAtomCallbackReturn graphicsStatsPullCallback(int32_t atom_tag,
                                                                       AStatsEventList* data,
                                                                       void* cookie) {
     JNIEnv* env = getJNIEnv();
     if (!env) {
         return false;
     }
     if (gGraphicsStatsServiceObject == nullptr) {
         ALOGE("Failed to get graphicsstats service");
         return AStatsManager_PULL_SKIP;
     }

     for (bool lastFullDay : {true, false}) {
         env->CallVoidMethod(gGraphicsStatsServiceObject,
                             gGraphicsStatsService_pullGraphicsStatsMethodID,
                             (jboolean)(lastFullDay ? JNI_TRUE : JNI_FALSE),
                             reinterpret_cast<jlong>(data));
         if (env->ExceptionCheck()) {
             env->ExceptionDescribe();
             env->ExceptionClear();
             ALOGE("Failed to invoke graphicsstats service");
             return AStatsManager_PULL_SKIP;
         }
     }
     return AStatsManager_PULL_SUCCESS;
 }

 // Register a puller for GRAPHICS_STATS atom with the statsd service.
 static void nativeInit(JNIEnv* env, jobject javaObject) {
     gGraphicsStatsServiceObject = env->NewGlobalRef(javaObject);
     AStatsManager_PullAtomMetadata* metadata = AStatsManager_PullAtomMetadata_obtain();
     AStatsManager_PullAtomMetadata_setCoolDownMillis(metadata, 10);             // 10 milliseconds
     AStatsManager_PullAtomMetadata_setTimeoutMillis(metadata, 2 * MS_PER_SEC);  // 2 seconds

     AStatsManager_setPullAtomCallback(android::util::GRAPHICS_STATS, metadata,
                                       &graphicsStatsPullCallback, nullptr);

     AStatsManager_PullAtomMetadata_release(metadata);
 }

 static void nativeDestructor(JNIEnv* env, jobject javaObject) {
     AStatsManager_clearPullAtomCallback(android::util::GRAPHICS_STATS);
     env->DeleteGlobalRef(gGraphicsStatsServiceObject);
     gGraphicsStatsServiceObject = nullptr;
 }

 } // namespace android
 using namespace android;

 static const JNINativeMethod sMethods[] =
         {{"nGetAshmemSize", "()I", (void*)getAshmemSize},
          {"nCreateDump", "(IZ)J", (void*)createDump},
          {"nAddToDump", "(JLjava/lang/String;Ljava/lang/String;JJJ[B)V", (void*)addToDump},
          {"nAddToDump", "(JLjava/lang/String;)V", (void*)addFileToDump},
          {"nFinishDump", "(J)V", (void*)finishDump},
          {"nFinishDumpInMemory", "(JJZ)V", (void*)finishDumpInMemory},
          {"nSaveBuffer", "(Ljava/lang/String;Ljava/lang/String;JJJ[B)V", (void*)saveBuffer},
          {"nativeInit", "()V", (void*)nativeInit},
          {"nativeDestructor", "()V", (void*)nativeDestructor}};

 int register_android_graphics_GraphicsStatsService(JNIEnv* env) {
     jclass graphicsStatsService_class =
             FindClassOrDie(env, "android/graphics/GraphicsStatsService");
     gGraphicsStatsService_pullGraphicsStatsMethodID =
             GetMethodIDOrDie(env, graphicsStatsService_class, "pullGraphicsStats", "(ZJ)V");
     return jniRegisterNativeMethods(env, "android/graphics/GraphicsStatsService", sMethods,
                                     NELEM(sMethods));
 }
	/*
	* Copyright (C) 2017 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	#undef LOG_TAG
	#define LOG_TAG "GraphicsStatsService"

	#include <JankTracker.h>
	#include <log/log.h>
	#include <nativehelper/ScopedPrimitiveArray.h>
	#include <nativehelper/ScopedUtfChars.h>
	#include <service/GraphicsStatsService.h>
	#include <stats_event.h>
	#include <stats_pull_atom_callback.h>
	#include <statslog.h>

	#include "android/graphics/jni_runtime.h"
	#include "GraphicsJNI.h"

	namespace android {

	using namespace android::uirenderer;

	static jint getAshmemSize(JNIEnv*, jobject) {
	return sizeof(ProfileData);
	}

	static jlong createDump(JNIEnv*, jobject, jint fd, jboolean isProto) {
	GraphicsStatsService::Dump* dump =
	GraphicsStatsService::createDump(fd,
	isProto ? GraphicsStatsService::DumpType::Protobuf
	: GraphicsStatsService::DumpType::Text);
	return reinterpret_cast<jlong>(dump);
	}

	static void addToDump(JNIEnv* env, jobject, jlong dumpPtr, jstring jpath, jstring jpackage,
	jlong versionCode, jlong startTime, jlong endTime, jbyteArray jdata) {
	std::string path;
	const ProfileData* data = nullptr;
	LOG_ALWAYS_FATAL_IF(jdata == nullptr && jpath == nullptr, "Path and data can't both be null");
	ScopedByteArrayRO buffer{env};
	if (jdata != nullptr) {
	buffer.reset(jdata);
	LOG_ALWAYS_FATAL_IF(buffer.size() != sizeof(ProfileData),
	"Buffer size %zu doesn't match expected %zu!", buffer.size(),
	sizeof(ProfileData));
	data = reinterpret_cast<const ProfileData*>(buffer.get());
	}
	if (jpath != nullptr) {
	ScopedUtfChars pathChars(env, jpath);
	LOG_ALWAYS_FATAL_IF(pathChars.size() <= 0 \|\| !pathChars.c_str(),
	"Failed to get path chars");
	path.assign(pathChars.c_str(), pathChars.size());
	}
	ScopedUtfChars packageChars(env, jpackage);
	LOG_ALWAYS_FATAL_IF(packageChars.size() <= 0 \|\| !packageChars.c_str(),
	"Failed to get path chars");
	GraphicsStatsService::Dump* dump = reinterpret_cast<GraphicsStatsService::Dump*>(dumpPtr);
	LOG_ALWAYS_FATAL_IF(!dump, "null passed for dump pointer");

	const std::string package(packageChars.c_str(), packageChars.size());
	GraphicsStatsService::addToDump(dump, path, package, versionCode, startTime, endTime, data);
	}

	static void addFileToDump(JNIEnv* env, jobject, jlong dumpPtr, jstring jpath) {
	ScopedUtfChars pathChars(env, jpath);
	LOG_ALWAYS_FATAL_IF(pathChars.size() <= 0 \|\| !pathChars.c_str(), "Failed to get path chars");
	const std::string path(pathChars.c_str(), pathChars.size());
	GraphicsStatsService::Dump* dump = reinterpret_cast<GraphicsStatsService::Dump*>(dumpPtr);
	GraphicsStatsService::addToDump(dump, path);
	}

	static void finishDump(JNIEnv*, jobject, jlong dumpPtr) {
	GraphicsStatsService::Dump* dump = reinterpret_cast<GraphicsStatsService::Dump*>(dumpPtr);
	GraphicsStatsService::finishDump(dump);
	}

	static void finishDumpInMemory(JNIEnv* env, jobject, jlong dumpPtr, jlong pulledData,
	jboolean lastFullDay) {
	GraphicsStatsService::Dump* dump = reinterpret_cast<GraphicsStatsService::Dump*>(dumpPtr);
	AStatsEventList* data = reinterpret_cast<AStatsEventList*>(pulledData);
	GraphicsStatsService::finishDumpInMemory(dump, data, lastFullDay == JNI_TRUE);
	}

	static void saveBuffer(JNIEnv* env, jobject clazz, jstring jpath, jstring jpackage,
	jlong versionCode, jlong startTime, jlong endTime, jbyteArray jdata) {
	ScopedByteArrayRO buffer(env, jdata);
	LOG_ALWAYS_FATAL_IF(buffer.size() != sizeof(ProfileData),
	"Buffer size %zu doesn't match expected %zu!", buffer.size(),
	sizeof(ProfileData));
	ScopedUtfChars pathChars(env, jpath);
	LOG_ALWAYS_FATAL_IF(pathChars.size() <= 0 \|\| !pathChars.c_str(), "Failed to get path chars");
	ScopedUtfChars packageChars(env, jpackage);
	LOG_ALWAYS_FATAL_IF(packageChars.size() <= 0 \|\| !packageChars.c_str(),
	"Failed to get path chars");

	const std::string path(pathChars.c_str(), pathChars.size());
	const std::string package(packageChars.c_str(), packageChars.size());
	const ProfileData* data = reinterpret_cast<const ProfileData*>(buffer.get());
	GraphicsStatsService::saveBuffer(path, package, versionCode, startTime, endTime, data);
	}

	static jobject gGraphicsStatsServiceObject = nullptr;
	static jmethodID gGraphicsStatsService_pullGraphicsStatsMethodID;

	static JNIEnv* getJNIEnv() {
	JavaVM* vm = GraphicsJNI::getJavaVM();
	JNIEnv* env = nullptr;
	if (vm->GetEnv(reinterpret_cast<void**>(&env), JNI_VERSION_1_6) != JNI_OK) {
	if (vm->AttachCurrentThreadAsDaemon(&env, nullptr) != JNI_OK) {
	LOG_ALWAYS_FATAL("Failed to AttachCurrentThread!");
	}
	}
	return env;
	}

	// graphicsStatsPullCallback is invoked by statsd service to pull GRAPHICS_STATS atom.
	static AStatsManager_PullAtomCallbackReturn graphicsStatsPullCallback(int32_t atom_tag,
	AStatsEventList* data,
	void* cookie) {
	JNIEnv* env = getJNIEnv();
	if (!env) {
	return false;
	}
	if (gGraphicsStatsServiceObject == nullptr) {
	ALOGE("Failed to get graphicsstats service");
	return AStatsManager_PULL_SKIP;
	}

	for (bool lastFullDay : {true, false}) {
	env->CallVoidMethod(gGraphicsStatsServiceObject,
	gGraphicsStatsService_pullGraphicsStatsMethodID,
	(jboolean)(lastFullDay ? JNI_TRUE : JNI_FALSE),
	reinterpret_cast<jlong>(data));
	if (env->ExceptionCheck()) {
	env->ExceptionDescribe();
	env->ExceptionClear();
	ALOGE("Failed to invoke graphicsstats service");
	return AStatsManager_PULL_SKIP;
	}
	}
	return AStatsManager_PULL_SUCCESS;
	}

	// Register a puller for GRAPHICS_STATS atom with the statsd service.
	static void nativeInit(JNIEnv* env, jobject javaObject) {
	gGraphicsStatsServiceObject = env->NewGlobalRef(javaObject);
	AStatsManager_PullAtomMetadata* metadata = AStatsManager_PullAtomMetadata_obtain();
	AStatsManager_PullAtomMetadata_setCoolDownMillis(metadata, 10); // 10 milliseconds
	AStatsManager_PullAtomMetadata_setTimeoutMillis(metadata, 2 * MS_PER_SEC); // 2 seconds

	AStatsManager_setPullAtomCallback(android::util::GRAPHICS_STATS, metadata,
	&graphicsStatsPullCallback, nullptr);

	AStatsManager_PullAtomMetadata_release(metadata);
	}

	static void nativeDestructor(JNIEnv* env, jobject javaObject) {
	AStatsManager_clearPullAtomCallback(android::util::GRAPHICS_STATS);
	env->DeleteGlobalRef(gGraphicsStatsServiceObject);
	gGraphicsStatsServiceObject = nullptr;
	}

	} // namespace android
	using namespace android;

	static const JNINativeMethod sMethods[] =
	{{"nGetAshmemSize", "()I", (void*)getAshmemSize},
	{"nCreateDump", "(IZ)J", (void*)createDump},
	{"nAddToDump", "(JLjava/lang/String;Ljava/lang/String;JJJ[B)V", (void*)addToDump},
	{"nAddToDump", "(JLjava/lang/String;)V", (void*)addFileToDump},
	{"nFinishDump", "(J)V", (void*)finishDump},
	{"nFinishDumpInMemory", "(JJZ)V", (void*)finishDumpInMemory},
	{"nSaveBuffer", "(Ljava/lang/String;Ljava/lang/String;JJJ[B)V", (void*)saveBuffer},
	{"nativeInit", "()V", (void*)nativeInit},
	{"nativeDestructor", "()V", (void*)nativeDestructor}};

	int register_android_graphics_GraphicsStatsService(JNIEnv* env) {
	jclass graphicsStatsService_class =
	FindClassOrDie(env, "android/graphics/GraphicsStatsService");
	gGraphicsStatsService_pullGraphicsStatsMethodID =
	GetMethodIDOrDie(env, graphicsStatsService_class, "pullGraphicsStats", "(ZJ)V");
	return jniRegisterNativeMethods(env, "android/graphics/GraphicsStatsService", sMethods,
	NELEM(sMethods));
	}