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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
/**
* \file ScopedTimer.cpp
*/
#include "ScopedTimer.h"
#include "ScopedTimable.h"
namespace tests {
namespace storePerftools {
namespace common {
ScopedTimer::ScopedTimer(double& elapsed) :
m_elapsed(elapsed)
{
::clock_gettime(CLOCK_REALTIME, &m_startTime);
}
ScopedTimer::ScopedTimer(ScopedTimable& st) :
m_elapsed(st.getElapsedRef())
{
::clock_gettime(CLOCK_REALTIME, &m_startTime);
}
ScopedTimer::~ScopedTimer()
{
::timespec stopTime;
::clock_gettime(CLOCK_REALTIME, &stopTime);
m_elapsed = _s_getDoubleTime(stopTime) - _s_getDoubleTime(m_startTime);
}
// static
double ScopedTimer::_s_getDoubleTime(const ::timespec& ts)
{
return ts.tv_sec + (double(ts.tv_nsec) / 1e9);
}
}}} // namespace tests::storePerftools::common
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