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Red Hat Bugzilla – Attachment 291206 Details for
Bug 428196
CLOCKS_PER_SECOND clearly is not
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program that uses CPU for a specified amount of time and prints tms_utimes divided by CLOCKS_PER_SECOND
ttest.c (text/plain), 536 bytes, created by
Scott Mcdermott
on 2008-01-09 21:38:33 UTC
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Description:
program that uses CPU for a specified amount of time and prints tms_utimes divided by CLOCKS_PER_SECOND
Filename:
MIME Type:
Creator:
Scott Mcdermott
Created:
2008-01-09 21:38:33 UTC
Size:
536 bytes
patch
obsolete
>#define _GNU_SOURCE > >#include <sys/times.h> > >#include <stdio.h> >#include <time.h> >#include <signal.h> > >volatile int keepgoing = 1; > >void >handle_alarm (int ignored) >{ > keepgoing = 0; >} > >int >main (int argc, > char **argv) >{ > int i; > struct tms start, end; > unsigned long delta; > > alarm(strtoul(*++argv, NULL, 0)); > signal(SIGALRM, handle_alarm); > > times(&start); > for (i = 0; keepgoing; i++); > times(&end); > > delta = end.tms_utime - start.tms_utime; > printf("raw delta: %lu, secs: %d\n", delta, delta / CLOCKS_PER_SEC); > > return 0; >}
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bug 428196
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