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/* Copyright (C) 2013 BMW Group
* Author: Manfred Bathelt (manfred.bathelt@bmw.de)
* Author: Juergen Gehring (juergen.gehring@bmw.de)
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "StopWatch.h"
#include <cassert>
#include <ctime>
#define USEC_PER_SEC 1000000ULL
#define NSEC_PER_USEC 1000ULL
StopWatch::usec_t StopWatch::getTotalElapsedMicroseconds() const {
usec_t elapsed = totalElapsed_;
if (started_)
elapsed += getElapsed();
return elapsed;
}
StopWatch::usec_t StopWatch::getTotalElapsedSeconds() const {
return getTotalElapsedMicroseconds() / USEC_PER_SEC;
}
StopWatch::usec_t StopWatch::now() {
struct timespec ts;
assert(!clock_gettime(CLOCK_MONOTONIC, &ts));
return (usec_t) ts.tv_sec * USEC_PER_SEC + (usec_t) ts.tv_nsec / NSEC_PER_USEC;
}
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