linux-kernel - Re: [RFC PATCH] perf: Split up buffer handling from core code

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Message-ID: <20110519172331.GF1956@nowhere>
Date:	Thu, 19 May 2011 19:23:33 +0200
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Borislav Petkov <bp@...en8.de>,
	LKML <linux-kernel@...r.kernel.org>,
	Stephane Eranian <eranian@...gle.com>
Subject: Re: [RFC PATCH] perf: Split up buffer handling from core code

On Thu, May 19, 2011 at 07:20:39PM +0200, Ingo Molnar wrote:
> 
> * Peter Zijlstra <a.p.zijlstra@...llo.nl> wrote:
> 
> > On Thu, 2011-05-19 at 16:59 +0200, Frederic Weisbecker wrote:
> > > I thought it would be nice to keep it inline for core use, as it's called
> > > pretty often from the overflow path.
> > 
> > That's what I meant.
> > 
> > > A solution is to have a perf_output_copy_inline() in internal.h
> > > and export it through perf_output_copy() in buffer.c 
> > 
> > If only "external inline" would work :-)
> > 
> > I'd call it __perf_output_copy() though, less typing.
> 
> Just __output_copy() please - if someone is looking at kernel/events/*.c then 
> it's pretty clear that it's related to perf.
> 
> I.e. non-exposed symbols should lose their perf_ prefixes.

Agreed, I'm fixing that.


> 
> Thanks,
> 
> 	Ingo
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