RetroArch/performance.h
2015-03-15 04:41:11 +01:00

137 lines
3.2 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2015 - Daniel De Matteis
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _RARCH_PERF_H
#define _RARCH_PERF_H
#include "general.h"
#include <retro_inline.h>
#ifdef __cplusplus
extern "C" {
#endif
#ifdef _WIN32
#define PERF_LOG_FMT "[PERF]: Avg (%s): %I64u ticks, %I64u runs.\n"
#else
#define PERF_LOG_FMT "[PERF]: Avg (%s): %llu ticks, %llu runs.\n"
#endif
/* Used internally by RetroArch. */
#define RARCH_PERFORMANCE_INIT(X) \
static struct retro_perf_counter X = {#X}; \
do { \
if (!(X).registered) \
rarch_perf_register(&(X)); \
} while(0)
#define RARCH_PERFORMANCE_START(X) rarch_perf_start(&(X))
#define RARCH_PERFORMANCE_STOP(X) rarch_perf_stop(&(X))
#ifndef MAX_COUNTERS
#define MAX_COUNTERS 64
#endif
extern const struct retro_perf_counter *perf_counters_rarch[MAX_COUNTERS];
extern const struct retro_perf_counter *perf_counters_libretro[MAX_COUNTERS];
extern unsigned perf_ptr_rarch;
extern unsigned perf_ptr_libretro;
/**
* rarch_get_perf_counter:
*
* Gets performance counter.
*
* Returns: performance counter.
**/
retro_perf_tick_t rarch_get_perf_counter(void);
/**
* rarch_get_time_usec:
*
* Gets time in microseconds.
*
* Returns: time in microseconds.
**/
retro_time_t rarch_get_time_usec(void);
void rarch_perf_register(struct retro_perf_counter *perf);
/* Same as rarch_perf_register, just for libretro cores. */
void retro_perf_register(struct retro_perf_counter *perf);
void retro_perf_clear(void);
void rarch_perf_log(void);
void retro_perf_log(void);
/**
* rarch_perf_start:
* @perf : pointer to performance counter
*
* Start performance counter.
**/
static INLINE void rarch_perf_start(struct retro_perf_counter *perf)
{
if (!g_extern.perfcnt_enable || !perf)
return;
perf->call_cnt++;
perf->start = rarch_get_perf_counter();
}
/**
* rarch_perf_stop:
* @perf : pointer to performance counter
*
* Stop performance counter.
**/
static INLINE void rarch_perf_stop(struct retro_perf_counter *perf)
{
if (!g_extern.perfcnt_enable || !perf)
return;
perf->total += rarch_get_perf_counter() - perf->start;
}
/**
* rarch_get_cpu_features:
*
* Gets CPU features..
*
* Returns: bitmask of all CPU features available.
**/
uint64_t rarch_get_cpu_features(void);
/**
* rarch_get_cpu_cores:
*
* Gets the amount of available CPU cores.
*
* Returns: amount of CPU cores available.
**/
unsigned rarch_get_cpu_cores(void);
#ifdef __cplusplus
}
#endif
#endif