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authorPeter Zijlstra <peterz@infradead.org>2015-06-10 17:48:50 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2015-06-10 18:00:27 +0300
commit5610032135c05e7bf9cba231826577a01719d010 (patch)
tree37e91c544968493de3340b8a26b367965fd71de2 /tools
parentd7c72606d97e6f462a99b79e55b39808147d4c8b (diff)
downloadlinux-5610032135c05e7bf9cba231826577a01719d010.tar.xz
perf record: Amend option summaries
Because there's too many options and I cannot read, I frequently get confused between -c and -P, and try to do things like: perf record -P 50000 -- foo Which does not work; try and make the option description slightly longer and hopefully less confusing. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: http://lkml.kernel.org/r/20150610144850.GP19282@twins.programming.kicks-ass.net [ Do those changes on the man page as well ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
-rw-r--r--tools/perf/Documentation/perf-record.txt10
-rw-r--r--tools/perf/builtin-record.c7
2 files changed, 10 insertions, 7 deletions
diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt
index 280533ebf9df..6fdf78625c51 100644
--- a/tools/perf/Documentation/perf-record.txt
+++ b/tools/perf/Documentation/perf-record.txt
@@ -152,12 +152,16 @@ OPTIONS
-d::
--data::
- Sample addresses.
+ Record the sample addresses.
-T::
--timestamp::
- Sample timestamps. Use it with 'perf report -D' to see the timestamps,
- for instance.
+ Record the sample timestamps. Use it with 'perf report -D' to see the
+ timestamps, for instance.
+
+-P::
+--period::
+ Record the sample period.
-n::
--no-samples::
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index d3731cce7c1c..4d6cdeb94fe1 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -1027,10 +1027,9 @@ struct option __record_options[] = {
OPT_BOOLEAN('q', "quiet", &quiet, "don't print any message"),
OPT_BOOLEAN('s', "stat", &record.opts.inherit_stat,
"per thread counts"),
- OPT_BOOLEAN('d', "data", &record.opts.sample_address,
- "Sample addresses"),
- OPT_BOOLEAN('T', "timestamp", &record.opts.sample_time, "Sample timestamps"),
- OPT_BOOLEAN('P', "period", &record.opts.period, "Sample period"),
+ OPT_BOOLEAN('d', "data", &record.opts.sample_address, "Record the sample addresses"),
+ OPT_BOOLEAN('T', "timestamp", &record.opts.sample_time, "Record the sample timestamps"),
+ OPT_BOOLEAN('P', "period", &record.opts.period, "Record the sample period"),
OPT_BOOLEAN('n', "no-samples", &record.opts.no_samples,
"don't sample"),
OPT_BOOLEAN('N', "no-buildid-cache", &record.no_buildid_cache,