mirror of
https://gitee.com/openharmony/arkcompiler_runtime_core
synced 2024-10-07 22:03:39 +00:00
98 lines
3.0 KiB
C++
98 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 "runtime/timing.h"
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#include <iomanip>
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#include "utils/logger.h"
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namespace panda {
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constexpr uint64_t NS_PER_SECOND = 1000000000;
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constexpr uint64_t NS_PER_MILLISECOND = 1000000;
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constexpr uint64_t NS_PER_MICROSECOND = 1000;
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std::string Timing::PrettyTimeNs(uint64_t duration)
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{
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uint64_t time_uint;
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std::string time_uint_name;
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uint64_t main_part;
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uint64_t fractional_part;
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if (duration > NS_PER_SECOND) {
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time_uint = NS_PER_SECOND;
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main_part = duration / time_uint;
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fractional_part = duration % time_uint / NS_PER_MILLISECOND;
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time_uint_name = "s";
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} else if (duration > NS_PER_MILLISECOND) {
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time_uint = NS_PER_MILLISECOND;
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main_part = duration / time_uint;
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fractional_part = duration % time_uint / NS_PER_MICROSECOND;
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time_uint_name = "ms";
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} else {
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time_uint = NS_PER_MICROSECOND;
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main_part = duration / time_uint;
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fractional_part = duration % time_uint;
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time_uint_name = "us";
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}
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std::stringstream ss;
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constexpr size_t FRACTION_WIDTH = 3U;
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ss << main_part << "." << std::setfill('0') << std::setw(FRACTION_WIDTH) << fractional_part << time_uint_name;
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return ss.str();
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}
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void Timing::Process()
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{
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PandaStack<PandaVector<TimeLabel>::iterator> label_stack;
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// NOLINTNEXTLINE(modernize-loop-convert)
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for (auto it = labels_.begin(); it != labels_.end(); it++) {
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if (it->GetType() == TimeLabelType::BEGIN) {
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label_stack.push(it);
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continue;
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}
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auto begin_it = label_stack.top();
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label_stack.pop();
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uint64_t duration = it->GetTime() - begin_it->GetTime();
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uint64_t cpu_duration = it->GetCPUTime() - begin_it->GetCPUTime();
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begin_it->SetTime(duration);
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begin_it->SetCPUTime(cpu_duration);
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}
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}
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PandaString Timing::Dump()
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{
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Process();
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PandaStringStream ss;
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std::string indent = " ";
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size_t indent_count = 0;
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for (auto &label : labels_) {
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if (label.GetType() == TimeLabelType::BEGIN) {
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for (size_t i = 0; i < indent_count; i++) {
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ss << indent;
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}
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ss << label.GetName() << " " << PrettyTimeNs(label.GetCPUTime()) << "/" << PrettyTimeNs(label.GetTime())
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<< std::endl;
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indent_count++;
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continue;
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}
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if (indent_count > 0U) {
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indent_count--;
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}
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}
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return ss.str();
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}
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} // namespace panda
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