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/*
* Copyright (c) 2017 Cisco and/or its affiliates.
* Licensed 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 parc_TimingGeneric.h
* @brief Macros for timing code
*
* We cannot do any better than gettimeofday
*
*/
#ifndef libparc_parc_TimingLinux_h
#define libparc_parc_TimingLinux_h
#include <stdint.h>
#include <time.h>
#include <sys/time.h>
#ifdef PARCTIMING_GENERIC
#define _private_parcTiming_Init(prefix) \
struct timeval prefix ## _ts0, prefix ## _ts1, prefix ## _delta;
#define _private_parcTiming_Start(prefix) \
gettimeofday(&(prefix ## _ts0), NULL);
#define _private_parcTiming_Stop(prefix) \
gettimeofday(&(prefix ## _ts1), NULL);
static inline uint64_t
_parcTimingGeneric_Delta(const struct timeval *t0, const struct timeval *t1)
{
struct timeval delta;
timersub(t1, t0, &delta);
return (uint64_t) delta.tv_sec * 1000000ULL + delta.tv_usec;
}
#define _private_parcTiming_Delta(prefix) _parcTimingGeneric_Delta(&(prefix ## _ts0), &(prefix ## _ts1))
// No teardown work that we need to do
#define _private_parcTiming_Fini(prefix)
#endif // PARCTIMING_GENERIC
#endif // libparc_parc_TimingLinux_h
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