linux-kernel - Re: perf: tools/perf/design.txt is badly out of date

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Date:	Fri, 04 Jun 2010 11:48:28 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Corey Ashford <cjashfor@...ux.vnet.ibm.com>
Cc:	LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: Re: perf: tools/perf/design.txt is badly out of date

On Thu, 2010-06-03 at 16:39 -0700, Corey Ashford wrote:
> I had a glance at tools/perf/design.txt the other day, and it
> appears to be pretty far out of date.
> 
> Is design.txt a document that you want to keep the current way for
> historical reasons [and the up-to-date documentation placed somewhere
> else], or one that should be maintained?
> 
> I'm wondering if some/all of this documentation should move into
> include/linux/perf_event.h

Its the ineffiteble fate of everything Documentation/ to be out-dated.
But yeah, that file will be woefully inaccurate by now.

Yeah, I think making perf_event.h more explanatory would be good. But I
don't think we want to go overboard there either, if comments get too
large and unwieldy they tend to bitrot just as hard as Documentation/


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