linux-kernel - Re: [PATCH 1/3] perf: add context field to perf

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Message-ID: <4E11C9CC.2070909@redhat.com>
Date:	Mon, 04 Jul 2011 17:10:20 +0300
From:	Avi Kivity <avi@...hat.com>
To:	Frederic Weisbecker <fweisbec@...il.com>
CC:	Will Deacon <will.deacon@....com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"kvm@...r.kernel.org" <kvm@...r.kernel.org>,
	Ingo Molnar <mingo@...e.hu>,
	"a.p.zijlstra@...llo.nl" <a.p.zijlstra@...llo.nl>,
	"acme@...stprotocols.net" <acme@...stprotocols.net>,
	Jason Wessel <jason.wessel@...driver.com>
Subject: Re: [PATCH 1/3] perf: add context field to perf_event

On 07/04/2011 04:58 PM, Frederic Weisbecker wrote:
> Another thing I would like to do in the even longer term is to not use perf anymore
> for ptrace breakpoints, because that involves a heavy dependency and few people are
> happy with that. Instead we should just have a generic hook into the sched_switch()
> and handle pure ptrace breakpoints there. The central breakpoint API would still be
> there to reserve/schedule breakpoint resources between ptrace and perf.
>

'struct preempt_notifier' may be the hook you're looking for.

-- 
error compiling committee.c: too many arguments to function

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