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