From: Andi Kleen <andi@firstfloor.org>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: eranian@gmail.com, Andi Kleen <andi@firstfloor.org>,
David Miller <davem@davemloft.net>,
linux-kernel@vger.kernel.org, akpm@linux-foundation.org,
mingo@elte.hu, x86@kernel.org, sfr@canb.auug.org.au
Subject: Re: [patch 05/24] perfmon: X86 generic code (x86)
Date: Thu, 27 Nov 2008 14:50:26 +0100 [thread overview]
Message-ID: <20081127135026.GO6703@one.firstfloor.org> (raw)
In-Reply-To: <alpine.LFD.2.00.0811271430470.3325@localhost.localdomain>
On Thu, Nov 27, 2008 at 02:32:33PM +0100, Thomas Gleixner wrote:
> On Thu, 27 Nov 2008, stephane eranian wrote:
> > That's true for Intel.
> > On AMD64, I think you can get at most one sample out of a irq-off
> > region using IBS.
>
> Exactly the same amount which you get with the NMI/self_IPI out of an
> irq-off region.
True. It would really need a NMI safe queue.
-Andi
--
ak@linux.intel.com
next prev parent reply other threads:[~2008-11-27 13:40 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-26 8:42 [patch 05/24] perfmon: X86 generic code (x86) eranian
2008-11-26 11:33 ` Andi Kleen
2008-11-26 12:05 ` Stephen Rothwell
2008-11-26 12:22 ` Andi Kleen
2008-11-26 12:48 ` Stephen Rothwell
2008-11-26 13:32 ` Thomas Gleixner
2008-11-26 13:56 ` stephane eranian
2008-11-26 16:38 ` Thomas Gleixner
2008-11-27 9:51 ` stephane eranian
2008-11-27 10:56 ` Thomas Gleixner
2008-11-27 11:37 ` David Miller
2008-11-27 14:40 ` Thomas Gleixner
2008-11-26 13:35 ` Thomas Gleixner
2008-11-26 14:00 ` Andi Kleen
2008-11-26 21:18 ` Thomas Gleixner
2008-11-26 21:37 ` stephane eranian
2008-11-26 23:16 ` Thomas Gleixner
2008-11-27 9:38 ` stephane eranian
2008-11-26 22:54 ` Thomas Gleixner
2008-11-27 10:06 ` Andi Kleen
2008-11-27 10:09 ` stephane eranian
2008-11-27 10:29 ` Thomas Gleixner
2008-11-27 11:31 ` Andi Kleen
2008-11-27 11:35 ` stephane eranian
2008-11-27 11:42 ` David Miller
2008-11-27 11:49 ` Thomas Gleixner
2008-11-27 12:38 ` Andi Kleen
2008-11-27 12:31 ` stephane eranian
2008-11-27 12:46 ` Andi Kleen
2008-11-27 13:32 ` Thomas Gleixner
2008-11-27 13:37 ` stephane eranian
2008-11-27 13:51 ` Andi Kleen
2008-11-27 13:50 ` Andi Kleen [this message]
2008-11-27 11:52 ` Peter Zijlstra
2008-11-27 12:04 ` stephane eranian
2008-11-27 12:16 ` Peter Zijlstra
2008-11-27 12:32 ` Andi Kleen
2008-11-27 12:28 ` stephane eranian
2008-11-27 12:45 ` Andi Kleen
2008-11-27 13:30 ` stephane eranian
2008-11-27 13:49 ` Andi Kleen
2008-11-27 13:47 ` stephane eranian
-- strict thread matches above, loose matches on Subject: below --
2008-11-25 21:36 eranian
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