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

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Message-ID: <20110519172039.GA27370@elte.hu>
Date:	Thu, 19 May 2011 19:20:39 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	Frederic Weisbecker <fweisbec@...il.com>,
	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


* 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.

Thanks,

	Ingo
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