1 /* 2 * Copyright (c) 2025 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef DFX_LITE_PERF_DUMP_H 17 #define DFX_LITE_PERF_DUMP_H 18 19 #include <cinttypes> 20 #include <memory> 21 #include <mutex> 22 23 #include "dfx_lperf.h" 24 #include "nocopyable.h" 25 26 namespace OHOS { 27 namespace HiviewDFX { 28 class LitePerfDumper final { 29 public: 30 static LitePerfDumper &GetInstance(); 31 void Perf(); 32 33 private: 34 LitePerfDumper() = default; 35 DISALLOW_COPY_AND_MOVE(LitePerfDumper); 36 37 int PerfProcess(LitePerfParam& lperf); 38 int32_t ReadLperfAndCheck(LitePerfParam& lperf); 39 int PerfRecord(int (&pipeWriteFd)[2], LitePerfParam& lperf); 40 void WriteSampleData(int bufFd, const std::string& data); 41 }; 42 } // namespace HiviewDFX 43 } // namespace OHOS 44 #endif // DFX_LITE_PERF_DUMP_H 45