| /* |
| * Copyright (C) 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. |
| */ |
| |
| #ifndef _CPU_USAGE_H_ |
| #define _CPU_USAGE_H_ |
| |
| #include <statstype.h> |
| |
| #define CPU_USAGE_BUFFER_SIZE (6 * 30) |
| #define TOP_PROCESS_COUNT (5) |
| #define CPU_USAGE_PROFILE_THRESHOLD (50) |
| |
| #define PROCPROF_THRESHOLD "cpu.procprof.threshold" |
| #define CPU_DISABLED "cpu.disabled" |
| #define CPU_DEBUG "cpu.debug" |
| #define CPU_TOPCOUNT "cpu.topcount" |
| |
| namespace android { |
| namespace pixel { |
| namespace perfstatsd { |
| |
| struct CpuData { |
| uint64_t cpuUsage; |
| uint64_t cpuTime; |
| uint64_t userUsage; |
| uint64_t sysUsage; |
| uint64_t ioUsage; |
| }; |
| |
| struct ProcData { |
| uint32_t pid; |
| std::string name; |
| float usageRatio; |
| uint64_t usage; |
| uint64_t user; |
| uint64_t system; |
| }; |
| |
| class CpuUsage : public StatsType { |
| public: |
| CpuUsage(void); |
| void refresh(void); |
| void setOptions(const std::string &key, const std::string &value); |
| |
| private: |
| std::chrono::system_clock::time_point mLast; |
| uint32_t mCores; // cpu core num |
| uint32_t mProfileThreshold; |
| uint32_t mTopcount; |
| bool mDisabled; |
| bool mProfileProcess; |
| CpuData mPrevUsage; // cpu usage of last record |
| std::vector<CpuData> mPrevCoresUsage; // cpu usage per core of last record |
| std::unordered_map<uint32_t, ProcData> mPrevProcdata; // <pid, last_usage> |
| uint64_t mDiffCpu; |
| float mTotalRatio; |
| void getOverallUsage(std::chrono::system_clock::time_point &, std::string *); |
| void profileProcess(std::string *); |
| }; |
| |
| struct ProcdataCompare { |
| // sort process by usage percentage in descending order |
| bool operator()(const ProcData &a, const ProcData &b) const { |
| return a.usageRatio < b.usageRatio; |
| } |
| }; |
| |
| } // namespace perfstatsd |
| } // namespace pixel |
| } // namespace android |
| |
| #endif /* _CPU_USAGE_H_ */ |