mirror of
https://github.com/openharmony/ark_js_runtime.git
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zhangyukun
a97747fe18
Signed-off-by: zhangyukun <zhangyukun8@huawei.com> Change-Id: Ic66a9e649de8c0ce530483296fe323b8f50621fb
91 lines
3.0 KiB
C++
91 lines
3.0 KiB
C++
/*
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* Copyright (c) 2021 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "ecmascript/cpu_profiler/profile_processor.h"
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#include <csignal>
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#include <sys/time.h>
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#include "ecmascript/cpu_profiler/cpu_profiler.h"
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#include "ecmascript/interpreter/interpreter.h"
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namespace panda::ecmascript {
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JSThread *ProfileProcessor::thread_ = nullptr;
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bool ProfileProcessor::isStart_ = true;
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ProfileProcessor::ProfileProcessor(ProfileGenerator *generator, const EcmaVM *vm, int interval)
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{
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generator_ = generator;
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interval_ = interval;
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pid_ = pthread_self();
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thread_ = vm->GetAssociatedJSThread();
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}
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ProfileProcessor::~ProfileProcessor() {}
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bool ProfileProcessor::Run(uint32_t threadIndex)
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{
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time_t startTime = 0;
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time_t endTime = 0;
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startTime = GetMicrosecondsTimeStamp();
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generator_->SetThreadStartTime(startTime);
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while (isStart_) {
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#if ECMASCRIPT_ENABLE_ACTIVE_CPUPROFILER
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JSThread *thread = GetJSThread();
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ProfileGenerator::staticGcState_ = thread->GetGcState();
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if (!ProfileGenerator::staticGcState_) {
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thread->SetGetStackSignal(true);
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if (sem_wait(&CpuProfiler::sem_) != 0) {
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LOG(ERROR, RUNTIME) << "sem_ wait failed";
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}
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}
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#else
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if (pthread_kill(pid_, SIGINT) != 0) {
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LOG(ERROR, RUNTIME) << "pthread_kill signal failed";
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return false;
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}
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if (sem_wait(&CpuProfiler::sem_) != 0) {
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LOG(ERROR, RUNTIME) << "sem_ wait failed";
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return false;
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}
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#endif
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endTime = GetMicrosecondsTimeStamp();
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generator_->AddSample(CpuProfiler::staticFrameStack_, endTime);
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if (generator_->GetMethodNodes().size() >= 10 || // 10:Number of nodes currently stored
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generator_->GetSamples().size() == 100) { // 100:Number of Samples currently stored
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generator_->WriteMethodsAndSampleInfo(false);
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}
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time_t ts = interval_ - (endTime - startTime);
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if (ts > 0) {
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usleep(ts);
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}
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startTime = GetMicrosecondsTimeStamp();
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}
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return true;
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}
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time_t ProfileProcessor::GetMicrosecondsTimeStamp()
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{
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struct timeval time;
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gettimeofday(&time, NULL);
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return (time.tv_sec * 1000000 + time.tv_usec); // 1000000:Second to subtle
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}
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JSThread *ProfileProcessor::GetJSThread()
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{
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return thread_;
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}
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void ProfileProcessor::SetIsStart(bool isStart)
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{
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isStart_ = isStart;
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}
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} // namespace panda::ecmascript
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