linux-kernel - Re: x86 force enabling perf events

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Message-ID: <20130930073040.GB13967@gmail.com>
Date:	Mon, 30 Sep 2013 09:30:40 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	fweisbec@...il.com, linux-kernel@...r.kernel.org, x86@...nel.org,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: x86 force enabling perf events


* Andi Kleen <andi@...stfloor.org> wrote:

> 
> Frederic,
> 
> I noticed that an allnoconfig x86 build builds perf events.

The most straightforward way to support stripped-down kernels disabling 
perf events would be to allow hardware breakpoint support to be 
disable-able, under CONFIG_EXPERT=y or so.

Thanks,

	Ingo
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