[tip:perf/core] perf bench: List output formatting options on ' perf bench -h'

[tip-bot for Ingo Molnar]

Commit-ID:  7a46a8fd13bd60584687f417cd35935965f29ae2
Gitweb:     http://git.kernel.org/tip/7a46a8fd13bd60584687f417cd35935965f29ae2
Author:     Ingo Molnar <mingo@xxxxxxxxxx>
AuthorDate: Mon, 19 Oct 2015 10:04:22 +0200
Committer:  Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Mon, 19 Oct 2015 16:03:53 -0300

perf bench: List output formatting options on 'perf bench -h'

So 'perf bench -h' is not very helpful when printing the help line
about the output formatting options:

    -f, --format <default>
                              Specify format style

There are two output format styles, 'default' and 'simple', so improve
the help text to:

    -f, --format <default|simple>
                              Specify the output formatting style

Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Hitoshi Mitake <mitake@xxxxxxxxxxxxxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/1445241870-24854-7-git-send-email-mingo@xxxxxxxxxx
[ Removed leftovers from the mem-functions.c rename ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/perf/builtin-bench.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/builtin-bench.c b/tools/perf/builtin-bench.c
index f67934d..1b58521 100644
--- a/tools/perf/builtin-bench.c
+++ b/tools/perf/builtin-bench.c
@@ -110,7 +110,7 @@ int bench_format = BENCH_FORMAT_DEFAULT;
 unsigned int bench_repeat = 10; /* default number of times to repeat the run */
 
 static const struct option bench_options[] = {
-	OPT_STRING('f', "format", &bench_format_str, "default", "Specify format style"),
+	OPT_STRING('f', "format", &bench_format_str, "default|simple", "Specify the output formatting style"),
 	OPT_UINTEGER('r', "repeat",  &bench_repeat,   "Specify amount of times to repeat the run"),
 	OPT_END()
 };
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