diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2015-06-10 16:48:50 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-06-10 17:00:27 +0200 |
| commit | 5610032135c05e7bf9cba231826577a01719d010 (patch) | |
| tree | 37e91c544968493de3340b8a26b367965fd71de2 /tools/perf | |
| parent | perf tools: Avoid possible race condition in copyfile() (diff) | |
| download | linux-5610032135c05e7bf9cba231826577a01719d010.tar.xz linux-5610032135c05e7bf9cba231826577a01719d010.zip | |
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/perf')
| -rw-r--r-- | tools/perf/Documentation/perf-record.txt | 10 | ||||
| -rw-r--r-- | tools/perf/builtin-record.c | 7 |
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, |