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perf bench: Modify builtin-pipe.c for processing common options 

This patch modifies builtin-pipe.c for processing common
options. The first option added is "--format".
Users of perf bench will be able to specify output style by
--format.

Usage example:

 % ./perf bench sched pipe		# with no style specify
 (executing 1000000 pipe operations between two tasks)

         Total time:5.855 sec
                 5.855061 usecs/op
                 170792 ops/sec

 % ./perf bench --format=simple sched pipe # specified simple
 5.988

Signed-off-by: Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1257808802-9420-5-git-send-email-mitake@dcl.info.waseda.ac.jp>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Hitoshi Mitake 2009-11-10 08:20:02 +09:00 committed by Ingo Molnar
parent cced06c62a
commit 158ba827f6
1 changed files with 14 additions and 8 deletions
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22
tools/perf/bench/sched-pipe.c
View File

@ -30,14 +30,10 @@
#define LOOPS_DEFAULT 1000000
static int loops = LOOPS_DEFAULT;
static int simple = 0;
static const struct option options[] = {
OPT_INTEGER('l', "loop", &loops,
"Specify number of loops"),
OPT_BOOLEAN('s', "simple-output", &simple,
"Do simple output (this maybe useful for"
"processing by scripts or graph tools like gnuplot)"),
OPT_END()
};
@ -94,10 +90,8 @@ int bench_sched_pipe(int argc, const char **argv,
return 0;
}
if (simple)
printf("%lu.%03lu\n",
diff.tv_sec, diff.tv_usec / 1000);
else {
switch (bench_format) {
case BENCH_FORMAT_DEFAULT:
printf("(executing %d pipe operations between two tasks)\n\n",
loops);
@ -111,6 +105,18 @@ int bench_sched_pipe(int argc, const char **argv,
printf("\t\t%d ops/sec\n",
(int)((double)loops /
((double)result_usec / (double)1000000)));
break;
case BENCH_FORMAT_SIMPLE:
printf("%lu.%03lu\n",
diff.tv_sec, diff.tv_usec / 1000);
break;
default:
/* reaching here is something disaster */
fprintf(stderr, "Unknown format:%d\n", bench_format);
exit(1);
break;
}
return 0;