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/*
* Copyright 2019 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.
*/
#pragma once
#include <graphicsenv/GpuStatsInfo.h>
#include <graphicsenv/GraphicsEnv.h>
#include <stats_pull_atom_callback.h>
#include <utils/String16.h>
#include <utils/Vector.h>
#include <mutex>
#include <unordered_map>
#include <vector>
namespace android {
class GpuStats {
public:
~GpuStats();
// Insert new gpu driver stats into global stats and app stats.
void insertDriverStats(const std::string& driverPackageName,
const std::string& driverVersionName, uint64_t driverVersionCode,
int64_t driverBuildTime, const std::string& appPackageName,
const int32_t vulkanVersion, GpuStatsInfo::Driver driver,
bool isDriverLoaded, int64_t driverLoadingTime);
// Insert target stats into app stats or potentially global stats as well.
void insertTargetStats(const std::string& appPackageName, const uint64_t driverVersionCode,
const GpuStatsInfo::Stats stats, const uint64_t value);
// dumpsys interface
void dump(const Vector<String16>& args, std::string* result);
// This limits the worst case number of loading times tracked.
static const size_t MAX_NUM_LOADING_TIMES = 50;
// Below limits the memory usage of GpuStats to be less than 10KB. This is
// the preferred number for statsd while maintaining nice data quality.
static const size_t MAX_NUM_APP_RECORDS = 100;
// The number of apps to remove when mAppStats fills up.
static const size_t APP_RECORD_HEADROOM = 10;
private:
// Friend class for testing.
friend class TestableGpuStats;
// Native atom puller callback registered in statsd.
static AStatsManager_PullAtomCallbackReturn pullAtomCallback(int32_t atomTag,
AStatsEventList* data,
void* cookie);
// Remove old packages from mAppStats.
void purgeOldDriverStats();
// Pull global into into global atom.
AStatsManager_PullAtomCallbackReturn pullGlobalInfoAtom(AStatsEventList* data);
// Pull app into into app atom.
AStatsManager_PullAtomCallbackReturn pullAppInfoAtom(AStatsEventList* data);
// Dump global stats
void dumpGlobalLocked(std::string* result);
// Dump app stats
void dumpAppLocked(std::string* result);
// Append cpuVulkanVersion and glesVersion to system driver stats
void interceptSystemDriverStatsLocked();
// Registers statsd callbacks if they have not already been registered
void registerStatsdCallbacksIfNeeded();
// GpuStats access should be guarded by mLock.
std::mutex mLock;
// True if statsd callbacks have been registered.
bool mStatsdRegistered = false;
// Key is driver version code.
std::unordered_map<uint64_t, GpuStatsGlobalInfo> mGlobalStats;
// Key is <app package name>+<driver version code>.
std::unordered_map<std::string, GpuStatsAppInfo> mAppStats;
};
} // namespace android
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