mirror of
https://github.com/openharmony/ark_js_runtime.git
synced 2026-08-27 10:41:15 -04:00
wengchangcheng
cd90e396a7
details: 1. use hilog in ohos device 2. use panda logger in host issue: https://gitee.com/openharmony/ark_js_runtime/issues/I5FR5J Signed-off-by: wengchangcheng <wengchangcheng@huawei.com> Change-Id: I6f5de00751154bdb6aac3101515961a3a4432e80
125 lines
4.3 KiB
C++
125 lines
4.3 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/dfx/cpu_profiler/sampling_processor.h"
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#include <csignal>
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#include <sys/time.h>
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#include "ecmascript/dfx/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 *SamplingProcessor::thread_ = nullptr;
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bool SamplingProcessor::isStart_ = false;
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SamplingProcessor::SamplingProcessor(SamplesRecord *generator, const EcmaVM *vm, int interval, bool outToFile)
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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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outToFile_ = outToFile;
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}
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SamplingProcessor::~SamplingProcessor() {}
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bool SamplingProcessor::Run([[maybe_unused]] uint32_t threadIndex)
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{
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uint64_t startTime = 0;
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uint64_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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static int collectCount = 1;
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#if ECMASCRIPT_ENABLE_ACTIVE_CPUPROFILER
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JSThread *thread = GetJSThread();
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SamplesRecord::staticGcState_ = thread->GetGcState();
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if (!SamplesRecord::staticGcState_) {
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thread->SetGetStackSignal(true);
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if (sem_wait(&CpuProfiler::sem_[0]) != 0) {
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LOG_ECMA(ERROR) << "sem_[0] 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_ECMA(ERROR) << "pthread_kill signal failed";
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return false;
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}
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if (sem_wait(&CpuProfiler::sem_[0]) != 0) {
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LOG_ECMA(ERROR) << "sem_[0] 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, outToFile_);
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if (outToFile_) {
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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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}
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int64_t ts = interval_ - static_cast<int64_t>(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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if (outToFile_) {
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if (collectCount % 50 == 0) { // 50:The sampling times reached 50 times.
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WriteSampleDataToFile();
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}
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collectCount++;
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}
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}
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uint64_t stopTime = GetMicrosecondsTimeStamp();
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generator_->SetThreadStopTime(stopTime);
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if (sem_post(&CpuProfiler::sem_[1]) != 0) {
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LOG_ECMA(ERROR) << "sem_[1] post failed";
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return false;
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}
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return true;
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}
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uint64_t SamplingProcessor::GetMicrosecondsTimeStamp()
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{
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struct timeval time;
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gettimeofday(&time, nullptr);
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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 *SamplingProcessor::GetJSThread()
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{
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return thread_;
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}
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void SamplingProcessor::SetIsStart(bool isStart)
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{
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isStart_ = isStart;
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}
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void SamplingProcessor::WriteSampleDataToFile()
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{
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static int flag = 0;
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if (!generator_->fileHandle_.is_open() || generator_->GetSampleData().size() < 1024 * 1024) { // 1024 * 1024:1M
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return;
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}
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if (flag == 0) {
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generator_->fileHandle_ << generator_->GetSampleData();
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generator_->ClearSampleData();
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generator_->fileHandle_.close();
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generator_->fileHandle_.open(generator_->GetFileName().c_str(), std::ios::app);
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flag++;
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return;
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}
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generator_->fileHandle_ << generator_->GetSampleData();
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generator_->ClearSampleData();
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}
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} // namespace panda::ecmascript
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