linux-kernel - Re: [PATCH v3 6/9] perf, x86: handle multiple records in PEBS buffer

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Message-ID: <20140731152543.GX19379@twins.programming.kicks-ass.net>
Date:	Thu, 31 Jul 2014 17:25:43 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	"Yan, Zheng" <zheng.z.yan@...el.com>, linux-kernel@...r.kernel.org,
	mingo@...nel.org, acme@...radead.org, eranian@...gle.com
Subject: Re: [PATCH v3 6/9] perf, x86: handle multiple records in PEBS buffer

On Thu, Jul 31, 2014 at 07:44:12AM -0700, Andi Kleen wrote:
> "Yan, Zheng" <zheng.z.yan@...el.com> writes:
> >> 
> >> Please lock yourselves in room and do not come out until you can give a
> >> straight and coherent answer.
> >> 
> >
> > Andi,
> >
> > please confirm this
> 
> The hardware can merge PEBS events that happen nearby each other. 
> I was wrong earlier in stating the opposite.

OK, thanks!

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