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Commit 56100321 authored by Peter Zijlstra's avatar Peter Zijlstra Committed by Arnaldo Carvalho de Melo
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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: default avatarPeter 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: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent d7c72606

tools/perf/Documentation/perf-record.txt

+7 −3
Original line number Diff line number Diff line
@@ -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::

tools/perf/builtin-record.c

+3 −4
Original line number Diff line number Diff line
@@ -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,