rockbox/lib/rbcodec/codecs/libspc/spc_profiler.h

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2006-2007 Adam Gashlin (hcs)
*
* This program 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 Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
/* a fun simple elapsed time profiler */
#ifndef _SPC_PROFILER_H_
#define _SPC_PROFILER_H_
#if defined(SPC_PROFILE) && defined(USEC_TIMER)
#ifdef SPC_DEFINE_PROFILER_TIMERS
#define CREATE_TIMER(name) uint32_t spc_timer_##name##_start,\
spc_timer_##name##_total
#else
#define CREATE_TIMER(name) extern uint32_t spc_timer_##name##_start,\
spc_timer_##name##_total
#endif
#define ENTER_TIMER(name) spc_timer_##name##_start=USEC_TIMER
#define EXIT_TIMER(name) spc_timer_##name##_total+=\
(USEC_TIMER-spc_timer_##name##_start)
#define READ_TIMER(name) (spc_timer_##name##_total)
#define RESET_TIMER(name) spc_timer_##name##_total=0
#define PRINT_TIMER_PCT(bname,tname,nstr) ci->fdprintf( \
logfd,"%10ld ",READ_TIMER(bname));\
ci->fdprintf(logfd,"(%3d%%) " nstr "\t",\
((uint64_t)READ_TIMER(bname))*100/READ_TIMER(tname))
CREATE_TIMER(total);
CREATE_TIMER(render);
#if 0
CREATE_TIMER(cpu);
CREATE_TIMER(dsp);
CREATE_TIMER(dsp_pregen);
CREATE_TIMER(dsp_gen);
CREATE_TIMER(dsp_mix);
#endif
void reset_profile_timers(void);
void print_timers(char * path);
#else
#define CREATE_TIMER(name)
#define ENTER_TIMER(name)
#define EXIT_TIMER(name)
#define READ_TIMER(name)
#define RESET_TIMER(name)
#define print_timers(path)
#define reset_profile_timers()
#endif
#endif /* _SPC_PROFILER_H_ */