1 /* 2 * Copyright (c) 2021 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 ECMASCRIPT_SAMPLING_PROCESSOR_H 17 #define ECMASCRIPT_SAMPLING_PROCESSOR_H 18 19 #include <csignal> 20 #include <cstdint> 21 22 #include "ecmascript/taskpool/task.h" 23 24 #include "libpandabase/macros.h" 25 26 namespace panda::ecmascript { 27 class SamplesRecord; 28 class JSThread; 29 class EcmaVM; 30 class SamplingProcessor : public Task { 31 public: 32 static uint64_t GetMicrosecondsTimeStamp(); 33 34 explicit SamplingProcessor(int32_t id, SamplesRecord *generator, int interval); 35 virtual ~SamplingProcessor(); 36 37 bool Run(uint32_t threadIndex) override; 38 39 NO_COPY_SEMANTIC(SamplingProcessor); 40 NO_MOVE_SEMANTIC(SamplingProcessor); 41 private: 42 SamplesRecord *generator_ = nullptr; 43 uint32_t interval_ = 0; 44 pthread_t pid_ = 0; 45 }; 46 } // namespace panda::ecmascript 47 #endif // ECMASCRIPT_SAMPLING_PROCESSOR_H 48