linux-kernel - Re: [GIT PULL] perf fixes

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Date:	Mon, 28 Oct 2013 09:28:48 +0100
From:	Markus Trippelsdorf <markus@...ppelsdorf.de>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Arnaldo Carvalho de Melo <acme@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Stephane Eranian <eranian@...gle.com>
Subject: Re: [GIT PULL] perf fixes

On 2013.10.26 at 14:24 +0200, Ingo Molnar wrote:
>  - Reversal of the new 'MMAP2' extended mmap record ABI, introduced 
>    in this merge window. (Patches were proposed to fix it but it was
>    all a bit late and we felt it's safer to just delay the ABI one
>    more kernel release and do it right.)

commit 3090ffb5a2515990182f3f55b0688a7817325488
Author: Stephane Eranian <eranian@...gle.com>
Date:   Thu Oct 17 19:32:15 2013 +0200

    perf: Disable PERF_RECORD_MMAP2 support

The commit above breaks "perf top" on my system, because it causes only
[kernel] symbols to show up in the list. When I revert the commit I get
the usual mixture of userspace and kernel symbols in the list.

-- 
Markus
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