| Adam Gashlin | b73960d | 2007-02-14 03:34:55 +0000 | [diff] [blame] | 1 | /*************************************************************************** |
| 2 | * __________ __ ___. |
| 3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ |
| 4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / |
| 5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < |
| 6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ |
| 7 | * \/ \/ \/ \/ \/ |
| 8 | * |
| 9 | * Copyright (C) 2006-2007 Adam Gashlin (hcs) |
| 10 | * |
| 11 | * All files in this archive are subject to the GNU General Public License. |
| 12 | * See the file COPYING in the source tree root for full license agreement. |
| 13 | * |
| 14 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY |
| 15 | * KIND, either express or implied. |
| 16 | * |
| 17 | ****************************************************************************/ |
| 18 | |
| 19 | /* a fun simple elapsed time profiler */ |
| 20 | |
| 21 | #if defined(SPC_PROFILE) && defined(USEC_TIMER) |
| 22 | |
| 23 | #define CREATE_TIMER(name) static uint32_t spc_timer_##name##_start,\ |
| 24 | spc_timer_##name##_total |
| 25 | #define ENTER_TIMER(name) spc_timer_##name##_start=USEC_TIMER |
| 26 | #define EXIT_TIMER(name) spc_timer_##name##_total+=\ |
| 27 | (USEC_TIMER-spc_timer_##name##_start) |
| 28 | #define READ_TIMER(name) (spc_timer_##name##_total) |
| 29 | #define RESET_TIMER(name) spc_timer_##name##_total=0 |
| 30 | |
| 31 | #define PRINT_TIMER_PCT(bname,tname,nstr) ci->fdprintf( \ |
| 32 | logfd,"%10ld ",READ_TIMER(bname));\ |
| 33 | ci->fdprintf(logfd,"(%3d%%) " nstr "\t",\ |
| 34 | ((uint64_t)READ_TIMER(bname))*100/READ_TIMER(tname)) |
| 35 | |
| 36 | CREATE_TIMER(total); |
| 37 | CREATE_TIMER(render); |
| 38 | #if 0 |
| 39 | CREATE_TIMER(cpu); |
| 40 | CREATE_TIMER(dsp); |
| 41 | CREATE_TIMER(dsp_pregen); |
| 42 | CREATE_TIMER(dsp_gen); |
| 43 | CREATE_TIMER(dsp_mix); |
| 44 | #endif |
| 45 | |
| 46 | static void reset_profile_timers(void) { |
| 47 | RESET_TIMER(total); |
| 48 | RESET_TIMER(render); |
| 49 | #if 0 |
| 50 | RESET_TIMER(cpu); |
| 51 | RESET_TIMER(dsp); |
| 52 | RESET_TIMER(dsp_pregen); |
| 53 | RESET_TIMER(dsp_gen); |
| 54 | RESET_TIMER(dsp_mix); |
| 55 | #endif |
| 56 | } |
| 57 | |
| 58 | static int logfd=-1; |
| 59 | |
| 60 | static void print_timers(char * path) { |
| 61 | logfd = ci->open("/spclog.txt",O_WRONLY|O_CREAT|O_APPEND); |
| 62 | ci->fdprintf(logfd,"%s:\t",path); |
| 63 | ci->fdprintf(logfd,"%10ld total\t",READ_TIMER(total)); |
| 64 | PRINT_TIMER_PCT(render,total,"render"); |
| 65 | #if 0 |
| 66 | PRINT_TIMER_PCT(cpu,total,"CPU"); |
| 67 | PRINT_TIMER_PCT(dsp,total,"DSP"); |
| 68 | ci->fdprintf(logfd,"("); |
| 69 | PRINT_TIMER_PCT(dsp_pregen,dsp,"pregen"); |
| 70 | PRINT_TIMER_PCT(dsp_gen,dsp,"gen"); |
| 71 | PRINT_TIMER_PCT(dsp_mix,dsp,"mix"); |
| 72 | #endif |
| 73 | ci->fdprintf(logfd,"\n"); |
| 74 | |
| 75 | ci->close(logfd); |
| 76 | logfd=-1; |
| 77 | } |
| 78 | |
| 79 | #else |
| 80 | |
| 81 | #define CREATE_TIMER(name) |
| 82 | #define ENTER_TIMER(name) |
| 83 | #define EXIT_TIMER(name) |
| 84 | #define READ_TIMER(name) |
| 85 | #define RESET_TIMER(name) |
| 86 | #define print_timers(path) |
| 87 | #define reset_profile_timers() |
| 88 | |
| 89 | #endif |