apps/codecs/libspc/spc_profiler.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2006-2007 Adam Gashlin (hcs)
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 /* a fun simple elapsed time profiler */
  23 #ifndef _SPC_PROFILER_H_
  24 #define _SPC_PROFILER_H_
  25
  26 #if defined(SPC_PROFILE) && defined(USEC_TIMER)
  27
  28 #ifdef SPC_DEFINE_PROFILER_TIMERS
  29 #define CREATE_TIMER(name) uint32_t spc_timer_##name##_start,\
  30     spc_timer_##name##_total
  31 #else
  32 #define CREATE_TIMER(name) extern uint32_t spc_timer_##name##_start,\
  33     spc_timer_##name##_total
  34 #endif
  35
  36 #define ENTER_TIMER(name) spc_timer_##name##_start=USEC_TIMER
  37 #define EXIT_TIMER(name) spc_timer_##name##_total+=\
  38     (USEC_TIMER-spc_timer_##name##_start)
  39 #define READ_TIMER(name) (spc_timer_##name##_total)
  40 #define RESET_TIMER(name) spc_timer_##name##_total=0
  41
  42 #define PRINT_TIMER_PCT(bname,tname,nstr) ci->fdprintf( \
  43     logfd,"%10ld ",READ_TIMER(bname));\
  44     ci->fdprintf(logfd,"(%3d%%) " nstr "\t",\
  45     ((uint64_t)READ_TIMER(bname))*100/READ_TIMER(tname))
  46
  47 CREATE_TIMER(total);
  48 CREATE_TIMER(render);
  49 #if 0
  50 CREATE_TIMER(cpu);
  51 CREATE_TIMER(dsp);
  52 CREATE_TIMER(dsp_pregen);
  53 CREATE_TIMER(dsp_gen);
  54 CREATE_TIMER(dsp_mix);
  55 #endif
  56
  57 void reset_profile_timers(void);
  58 void print_timers(char * path);
  59
  60 #else
  61
  62 #define CREATE_TIMER(name)
  63 #define ENTER_TIMER(name)
  64 #define EXIT_TIMER(name)
  65 #define READ_TIMER(name)
  66 #define RESET_TIMER(name)
  67 #define print_timers(path)
  68 #define reset_profile_timers()
  69
  70 #endif
  71
  72 #endif /* _SPC_PROFILER_H_ */