linux-kernel - Re: [patch] ratelimit performance counter interrupts

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Message-ID: <20090123135040.GA3102@elte.hu>
Date:	Fri, 23 Jan 2009 14:50:40 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Mike Galbraith <efault@....de>
Cc:	Rakib Mullick <rakib.mullick@...il.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [patch] ratelimit performance counter interrupts


* Mike Galbraith <efault@....de> wrote:

> On Fri, 2009-01-23 at 19:32 +0600, Rakib Mullick wrote:
> > On 1/23/09, Mike Galbraith <efault@....de> wrote:
> > 
> > >  + * Mamimum interrupt frequency of 100KHz per CPU
> > >  + */
> > 
> > Hi Mike, I think you misspelled the word Maximum here.
> 
> Yup, thanks.
> 
> Ratelimit performance counter interrupts to 100KHz per CPU.
> 
> Signed-off-by: Mike Galbraith <efault@....de>
> 
> ---
>  arch/x86/kernel/apic.c             |    2 +
>  arch/x86/kernel/cpu/perf_counter.c |   43 ++++++++++++++++++++++++++++++-------
>  include/linux/perf_counter.h       |    2 +
>  3 files changed, 40 insertions(+), 7 deletions(-)

Applied to tip/perfcounters/core, thanks Mike!

	Ingo
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