42 lines
1.3 KiB
C++
42 lines
1.3 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2017
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#include "td/utils/Timer.h"
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#include "td/utils/format.h"
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#include "td/utils/logging.h"
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//#include "td/utils/Slice.h" // TODO move StringBuilder implementation to cpp, remove header
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#include "td/utils/Time.h"
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namespace td {
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Timer::Timer() : start_time_(Time::now()) {
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}
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StringBuilder &operator<<(StringBuilder &string_builder, const Timer &timer) {
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return string_builder << "in " << Time::now() - timer.start_time_;
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}
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PerfWarningTimer::PerfWarningTimer(string name, double max_duration)
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: name_(std::move(name)), start_at_(Time::now()), max_duration_(max_duration) {
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}
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PerfWarningTimer::PerfWarningTimer(PerfWarningTimer &&other)
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: name_(std::move(other.name_)), start_at_(other.start_at_), max_duration_(other.max_duration_) {
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other.start_at_ = 0;
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}
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PerfWarningTimer::~PerfWarningTimer() {
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if (start_at_ == 0) {
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return;
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}
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double duration = Time::now() - start_at_;
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LOG_IF(WARNING, duration > max_duration_)
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<< "SLOW: " << tag("name", name_) << tag("duration", format::as_time(duration));
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}
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} // namespace td
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