mirror of https://gitee.com/bigwinds/arangodb
60 lines
1.9 KiB
C++
60 lines
1.9 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2014-2016 ArangoDB GmbH, Cologne, Germany
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/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
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///
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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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/// Copyright holder is ArangoDB GmbH, Cologne, Germany
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///
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/// @author Jan Steemann
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////////////////////////////////////////////////////////////////////////////////
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#ifndef ARANGODB_BASICS_PERFORMANCE_LOG_SCOPE_H
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#define ARANGODB_BASICS_PERFORMANCE_LOG_SCOPE_H 1
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#include "Basics/Common.h"
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#include "Logger/Logger.h"
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namespace arangodb {
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class PerformanceLogScope {
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public:
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PerformanceLogScope(PerformanceLogScope const&) = delete;
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PerformanceLogScope& operator=(PerformanceLogScope const&) = delete;
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explicit PerformanceLogScope(std::string const& message, double minElapsedTime = 0.0)
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: _message(message), _start(TRI_microtime()), _minElapsedTime(minElapsedTime) {
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LOG_TOPIC("f2a96", TRACE, Logger::PERFORMANCE) << _message;
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}
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~PerformanceLogScope() {
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double const elapsed = TRI_microtime() - _start;
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if (elapsed >= _minElapsedTime) {
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LOG_TOPIC("4ada1", TRACE, Logger::PERFORMANCE)
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<< "[timer] " << Logger::FIXED(elapsed) << " s, " << _message;
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}
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}
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private:
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std::string const _message;
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double const _start;
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double const _minElapsedTime;
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};
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} // namespace arangodb
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#endif
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