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author | Jef <jef@targetspot.com> | 2024-09-24 08:54:57 -0400 |
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committer | Jef <jef@targetspot.com> | 2024-09-24 08:54:57 -0400 |
commit | 20d28e80a5c861a9d5f449ea911ab75b4f37ad0d (patch) | |
tree | 12f17f78986871dd2cfb0a56e5e93b545c1ae0d0 /Src/Plugins/Visualization/vis_avs/TIMING.C | |
parent | 537bcbc86291b32fc04ae4133ce4d7cac8ebe9a7 (diff) | |
download | winamp-20d28e80a5c861a9d5f449ea911ab75b4f37ad0d.tar.gz |
Initial community commit
Diffstat (limited to 'Src/Plugins/Visualization/vis_avs/TIMING.C')
-rw-r--r-- | Src/Plugins/Visualization/vis_avs/TIMING.C | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/Src/Plugins/Visualization/vis_avs/TIMING.C b/Src/Plugins/Visualization/vis_avs/TIMING.C new file mode 100644 index 00000000..b32b8743 --- /dev/null +++ b/Src/Plugins/Visualization/vis_avs/TIMING.C @@ -0,0 +1,69 @@ +#include "timing.h" + +#ifdef TIMING +#ifndef __alpha + +#include <stdio.h> + +static struct { + unsigned int st_time[2]; + unsigned int cycles; + unsigned int calls; +} timingInfo[64]; + +static int timingEnters; + +static void rdtsc(unsigned int t[2]) +{ + __asm + { + mov esi, t + _emit 0xf + _emit 0x31 + mov [esi], eax + mov [esi+4], edx + } +} + +void _timingInit(void) +{ + memset(timingInfo,0,sizeof(timingInfo)); +} + +void _timingEnter(int which) +{ + // if (!timingEnters++) __asm cli + rdtsc(timingInfo[which].st_time); +} + +void _timingLeave(int which) +{ + unsigned int t[2]; + rdtsc(t); +// if (!--timingEnters) __asm sti + if (t[1]==timingInfo[which].st_time[1]) + { + timingInfo[which].cycles += t[0]-timingInfo[which].st_time[0]; + } + else + { + timingInfo[which].cycles += t[0]+(0xffffffff-timingInfo[which].st_time[0]); + } + timingInfo[which].calls++; +} + +void _timingPrint(void) +{ + int x; + FILE *fp = fopen("C:\\timings.txt","wt"); + for (x = 0; x < sizeof(timingInfo)/sizeof(timingInfo[0]); x ++) + { + if (timingInfo[x].calls) + fprintf(fp,"%d: %d calls, %d clocks/call\n",x,timingInfo[x].calls,timingInfo[x].cycles/timingInfo[x].calls); + } + timingInit(); + fclose(fp); +} + +#endif +#endif |