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// Copyright (C) 2015-2017 Bayerische Motoren Werke Aktiengesellschaft (BMW AG)
// 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.hpp"
#include <cassert>
#include <ctime>
#define USEC_PER_SEC 1000000ULL
#define NSEC_PER_USEC 1000ULL
stop_watch::usec_t stop_watch::get_total_elapsed_microseconds() const {
usec_t elapsed = total_elapsed_;
if (started_)
elapsed += get_elapsed();
return elapsed;
}
stop_watch::usec_t stop_watch::get_total_elapsed_seconds() const {
return get_total_elapsed_microseconds() / USEC_PER_SEC;
}
stop_watch::usec_t stop_watch::now() {
struct timespec ts;
const int ret = clock_gettime(CLOCK_MONOTONIC_RAW, &ts);
assert(!ret);
static_cast<void>(ret); // prevent warning in release build
return (usec_t) ts.tv_sec * USEC_PER_SEC + (usec_t) ts.tv_nsec / NSEC_PER_USEC;
}
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