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/*
* The MIT License
*
* Wavefront Alignment Algorithms
* Copyright (c) 2017 by Santiago Marco-Sola <santiagomsola@gmail.com>
*
* This file is part of Wavefront Alignment Algorithms.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* PROJECT: Wavefront Alignment Algorithms
* AUTHOR(S): Santiago Marco-Sola <santiagomsola@gmail.com>
* VERSION: v20.08.25
* DESCRIPTION: Simple time profiler
*/
#ifndef PROFILER_TIMER_H
#define PROFILER_TIMER_H
#include "profiler_counter.h"
/*
* Time Conversions
*/
#define TIME_DIFF_NS(start,end) ((end.tv_sec*1000000000 + end.tv_nsec) - (start.tv_sec*1000000000 + start.tv_nsec))
#define TIME_DIFF_S(start,end) ((end.tv_sec + end.tv_nsec/1E9) - (start.tv_sec + start.tv_nsec/1E9))
#define TIMER_CONVERT_NS_TO_US(time_ns) ((double)(time_ns)/1E3)
#define TIMER_CONVERT_NS_TO_MS(time_ns) ((double)(time_ns)/1E6)
#define TIMER_CONVERT_NS_TO_S(time_ns) ((double)(time_ns)/1E9)
#define TIMER_CONVERT_NS_TO_M(time_ns) ((double)(time_ns)/1E9/60.0)
#define TIMER_CONVERT_NS_TO_H(time_ns) ((double)(time_ns)/1E9/3600.0)
/*
* System time
*/
void timer_get_system_time(struct timespec *ts);
/*
* Timers
*/
typedef struct {
/* Timer */
struct timespec begin_timer; // Timer begin
/* Total time & samples taken */
profiler_counter_t time_ns;
uint64_t accumulated;
} profiler_timer_t;
void timer_start(profiler_timer_t* const timer);
void timer_stop(profiler_timer_t* const timer);
void timer_pause(profiler_timer_t* const timer);
void timer_continue(profiler_timer_t* const timer);
void timer_reset(profiler_timer_t* const timer);
uint64_t timer_get_current_lap_ns(profiler_timer_t* const timer);
uint64_t timer_get_current_total_ns(profiler_timer_t* const timer);
uint64_t timer_get_total_ns(const profiler_timer_t* const timer);
uint64_t timer_get_num_samples(const profiler_timer_t* const timer);
uint64_t timer_get_min_ns(const profiler_timer_t* const timer);
uint64_t timer_get_max_ns(const profiler_timer_t* const timer);
uint64_t timer_get_mean(const profiler_timer_t* const timer);
uint64_t timer_get_variance(const profiler_timer_t* const timer);
uint64_t timer_get_stddev(const profiler_timer_t* const timer);
void timer_print_total(
FILE* const stream,
const profiler_timer_t* const timer);
void timer_print(
FILE* const stream,
const profiler_timer_t* const timer,
const profiler_timer_t* const ref_timer);
#define TIMER_GET_TOTAL_US(timer) TIMER_CONVERT_NS_TO_US(timer_get_total_ns(timer))
#define TIMER_GET_TOTAL_MS(timer) TIMER_CONVERT_NS_TO_MS(timer_get_total_ns(timer))
#define TIMER_GET_TOTAL_S(timer) TIMER_CONVERT_NS_TO_S(timer_get_total_ns(timer))
#define TIMER_GET_TOTAL_M(timer) TIMER_CONVERT_NS_TO_M(timer_get_total_ns(timer))
#define TIMER_GET_TOTAL_H(timer) TIMER_CONVERT_NS_TO_H(timer_get_total_ns(timer))
#endif /* PROFILER_TIMER_H */
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