linux-kernel - Re: [PATCH 7/7] perf: Add load latency monitoring on Intel Nehalem/Westmere v2

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Date:	Tue, 04 Jan 2011 15:03:24 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Lin Ming <ming.m.lin@...el.com>
Cc:	Ingo Molnar <mingo@...e.hu>, Andi Kleen <andi@...stfloor.org>,
	Stephane Eranian <eranian@...gle.com>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 7/7] perf: Add load latency monitoring on Intel
 Nehalem/Westmere v2

On Tue, 2011-01-04 at 12:59 +0100, Peter Zijlstra wrote:
> 
> Right, so I think I want this in 3 patches, one adding the load-latency
> extra reg thing and PERF_SAMPLE_ADDR usage, one adding
> PERF_SAMPLE_LATENCY and one adding PERF_SAMPLE_EXTRA, I really dislike
> the LATENCY_DATA name since that ties the extra data to the latency
> thing, which isn't at all true for other platforms.

Also, this wants a 4th patch to be fully mergable, we want to have
tools/perf/ support for these things..
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