linux-kernel - Re: [PATCH V8 3/8] perf, x86: handle multiple records in PEBS buffer

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Message-ID: <20150508112912.GF27504@twins.programming.kicks-ass.net>
Date:	Fri, 8 May 2015 13:29:12 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	Kan Liang <kan.liang@...el.com>, mingo@...nel.org,
	acme@...radead.org, eranian@...gle.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH V8 3/8] perf, x86: handle multiple records in PEBS buffer

On Fri, May 08, 2015 at 01:05:47PM +0200, Andi Kleen wrote:
> > The first issue is that the 'status' field of the PEBS record is a copy
> > of the GLOBAL_STATUS MSR at PEBS assist time. To see why this is a
> 
> I wanted to mention that Skylake has this issue fixed. The status
> field in PEBS is now only the counter that triggered the PEBS record.

Yes, just read the latest SDM on this, great!
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