b73960d3b9
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12298 a1c6a512-1295-4272-9138-f99709370657
89 lines
2.6 KiB
C
89 lines
2.6 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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*
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* Copyright (C) 2006-2007 Adam Gashlin (hcs)
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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/* a fun simple elapsed time profiler */
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#if defined(SPC_PROFILE) && defined(USEC_TIMER)
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#define CREATE_TIMER(name) static uint32_t spc_timer_##name##_start,\
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spc_timer_##name##_total
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#define ENTER_TIMER(name) spc_timer_##name##_start=USEC_TIMER
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#define EXIT_TIMER(name) spc_timer_##name##_total+=\
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(USEC_TIMER-spc_timer_##name##_start)
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#define READ_TIMER(name) (spc_timer_##name##_total)
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#define RESET_TIMER(name) spc_timer_##name##_total=0
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#define PRINT_TIMER_PCT(bname,tname,nstr) ci->fdprintf( \
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logfd,"%10ld ",READ_TIMER(bname));\
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ci->fdprintf(logfd,"(%3d%%) " nstr "\t",\
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((uint64_t)READ_TIMER(bname))*100/READ_TIMER(tname))
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CREATE_TIMER(total);
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CREATE_TIMER(render);
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#if 0
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CREATE_TIMER(cpu);
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CREATE_TIMER(dsp);
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CREATE_TIMER(dsp_pregen);
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CREATE_TIMER(dsp_gen);
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CREATE_TIMER(dsp_mix);
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#endif
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static void reset_profile_timers(void) {
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RESET_TIMER(total);
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RESET_TIMER(render);
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#if 0
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RESET_TIMER(cpu);
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RESET_TIMER(dsp);
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RESET_TIMER(dsp_pregen);
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RESET_TIMER(dsp_gen);
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RESET_TIMER(dsp_mix);
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#endif
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}
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static int logfd=-1;
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static void print_timers(char * path) {
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logfd = ci->open("/spclog.txt",O_WRONLY|O_CREAT|O_APPEND);
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ci->fdprintf(logfd,"%s:\t",path);
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ci->fdprintf(logfd,"%10ld total\t",READ_TIMER(total));
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PRINT_TIMER_PCT(render,total,"render");
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#if 0
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PRINT_TIMER_PCT(cpu,total,"CPU");
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PRINT_TIMER_PCT(dsp,total,"DSP");
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ci->fdprintf(logfd,"(");
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PRINT_TIMER_PCT(dsp_pregen,dsp,"pregen");
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PRINT_TIMER_PCT(dsp_gen,dsp,"gen");
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PRINT_TIMER_PCT(dsp_mix,dsp,"mix");
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#endif
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ci->fdprintf(logfd,"\n");
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ci->close(logfd);
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logfd=-1;
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}
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#else
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#define CREATE_TIMER(name)
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#define ENTER_TIMER(name)
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#define EXIT_TIMER(name)
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#define READ_TIMER(name)
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#define RESET_TIMER(name)
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#define print_timers(path)
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#define reset_profile_timers()
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#endif
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