linux-kernel - Re: [PATCH] perf_counters: start documenting HAVE_PERF

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Date:	Fri, 12 Jun 2009 13:32:40 -0400
From:	Mike Frysinger <vapier.adi@...il.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] perf_counters: start documenting HAVE_PERF_COUNTERS 
	requirements

On Fri, Jun 12, 2009 at 13:30, Ingo Molnar wrote:
> * Mike Frysinger <vapier@...too.org> wrote:
>> Help out arch porters who want to support perf counters by listing some
>> basic requirements.
>>
>> Signed-off-by: Mike Frysinger <vapier@...too.org>
>> ---
>> i imagine more details would be good, but this is a starting point and
>> better than nothing
>>
>>  init/Kconfig          |    2 ++
>>  tools/perf/design.txt |   15 +++++++++++++++
>>  2 files changed, 17 insertions(+), 0 deletions(-)
>>
>> diff --git a/init/Kconfig b/init/Kconfig
>> index c649657..20f85b1 100644
>> --- a/init/Kconfig
>> +++ b/init/Kconfig
>> @@ -936,6 +936,8 @@ config AIO
>>
>>  config HAVE_PERF_COUNTERS
>>       bool
>> +     help
>> +       See end of tools/perf/design.txt
>>
>>  menu "Performance Counters"
>
> Applied, thanks Mike! I have made a small change: i changed it from
> help text into a regular comment. We usually use help texts for
> interactive Kconfig options - but this is not one.

yes, but i like the help text because when i use the kconfig search
option, it shows up.  otherwise doing a search for HAVE_PERF_COUNTERS
shows nothing useful.
-mike
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