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/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2016 - 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/>.
*/
#include <stdio.h>
#include <string.h>
#ifdef _WIN32
#include <direct.h>
#else
#include <unistd.h>
#endif
#include <features/features_cpu.h>
#include "performance_counters.h"
#include "general.h"
#include "compat/strl.h"
#include "verbosity.h"
#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
static struct retro_perf_counter *perf_counters_rarch[MAX_COUNTERS];
static struct retro_perf_counter *perf_counters_libretro[MAX_COUNTERS];
static unsigned perf_ptr_rarch;
static unsigned perf_ptr_libretro;
struct retro_perf_counter **retro_get_perf_counter_rarch(void)
{
return perf_counters_rarch;
}
struct retro_perf_counter **retro_get_perf_counter_libretro(void)
{
return perf_counters_libretro;
}
unsigned retro_get_perf_count_rarch(void)
{
return perf_ptr_rarch;
}
unsigned retro_get_perf_count_libretro(void)
{
return perf_ptr_libretro;
}
void rarch_perf_register(struct retro_perf_counter *perf)
{
if (
!runloop_ctl(RUNLOOP_CTL_IS_PERFCNT_ENABLE, NULL)
|| perf->registered
|| perf_ptr_rarch >= MAX_COUNTERS
)
return;
perf_counters_rarch[perf_ptr_rarch++] = perf;
perf->registered = true;
}
void performance_counter_register(struct retro_perf_counter *perf)
{
if (perf->registered || perf_ptr_libretro >= MAX_COUNTERS)
return;
perf_counters_libretro[perf_ptr_libretro++] = perf;
perf->registered = true;
}
void performance_counters_clear(void)
{
perf_ptr_libretro = 0;
memset(perf_counters_libretro, 0, sizeof(perf_counters_libretro));
}
static void log_counters(struct retro_perf_counter **counters, unsigned num)
{
unsigned i;
for (i = 0; i < num; i++)
{
if (counters[i]->call_cnt)
{
RARCH_LOG(PERF_LOG_FMT,
counters[i]->ident,
(unsigned long long)counters[i]->total /
(unsigned long long)counters[i]->call_cnt,
(unsigned long long)counters[i]->call_cnt);
}
}
}
void rarch_perf_log(void)
{
if (!runloop_ctl(RUNLOOP_CTL_IS_PERFCNT_ENABLE, NULL))
return;
RARCH_LOG("[PERF]: Performance counters (RetroArch):\n");
log_counters(perf_counters_rarch, perf_ptr_rarch);
}
void retro_perf_log(void)
{
RARCH_LOG("[PERF]: Performance counters (libretro):\n");
log_counters(perf_counters_libretro, perf_ptr_libretro);
}
int performance_counter_init(struct retro_perf_counter *perf, const char *name)
{
perf->ident = name;
if (!perf->registered)
rarch_perf_register(perf);
return 0;
}
void performance_counter_start(struct retro_perf_counter *perf)
{
if (!runloop_ctl(RUNLOOP_CTL_IS_PERFCNT_ENABLE, NULL) || !perf)
return;
perf->call_cnt++;
perf->start = cpu_features_get_perf_counter();
}
void performance_counter_stop(struct retro_perf_counter *perf)
{
if (!runloop_ctl(RUNLOOP_CTL_IS_PERFCNT_ENABLE, NULL) || !perf)
return;
perf->total += cpu_features_get_perf_counter() - perf->start;
}
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