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perf bench: Improve builtin-bench.c for more friendly output 

This patch makes output of perf bench more friendly.
Current style of putput, keeping user wait
and printing everything suddenly when we finish,
may confuse users.

So I improved it:

 | % perf bench sched messaging
 | # Running sched/messaging benchmark...  <- printed right after invocation
 | # 20 sender and receiver processes per group
 | # 10 groups == 400 processes run
 |
 |      Total time: 1.476 [sec]

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: <1257865442-20252-2-git-send-email-mitake@dcl.info.waseda.ac.jp>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Hitoshi Mitake 2009-11-11 00:04:00 +09:00 committed by Ingo Molnar
parent 8d8d61aadb
commit 79e295d4bd
1 changed files with 4 additions and 0 deletions
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4
tools/perf/builtin-bench.c
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@ -156,6 +156,10 @@ int cmd_bench(int argc, const char **argv, const char *prefix __used)
if (strcmp(subsystems[i].suites[j].name, argv[1]))
continue;
if (bench_format == BENCH_FORMAT_DEFAULT)
printf("# Running %s/%s benchmark...\n",
subsystems[i].name,
subsystems[i].suites[j].name);
status = subsystems[i].suites[j].fn(argc - 1,
argv + 1, prefix);
goto end;