Re: [PATCH] perf, record: Ammend option summaries

From: Arnaldo Carvalho de Melo
Date: Wed Jun 10 2015 - 13:28:00 EST


Em Wed, Jun 10, 2015 at 04:48:50PM +0200, Peter Zijlstra escreveu:
>
> 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.

Thanks, I'll check and update tools/perf/Documentation/perf-record.txt,
i.e. the man page.

- Arnaldo

> Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
> ---
> tools/perf/builtin-record.c | 7 +++----
> 1 file changed, 3 insertions(+), 4 deletions(-)
>
> diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
> index d3731cc..4d6cdeb 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,
--
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