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Message-ID: <18760.8982.774791.448768@cargo.ozlabs.ibm.com>
Date: Wed, 17 Dec 2008 08:52:22 +1100
From: Paul Mackerras <paulus@samba.org>
To: Vince Weaver <vince@deater.net>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>, Ingo Molnar <mingo@elte.hu>,
        linux-kernel@vger.kernel.org, Thomas Gleixner <tglx@linutronix.de>,
        Andrew Morton <akpm@linux-foundation.org>,
        Stephane Eranian <eranian@googlemail.com>,
        Eric Dumazet <dada1@cosmosbay.com>,
        Robert Richter <robert.richter@amd.com>,
        Arjan van de Ven <arjan@infradead.org>, Peter Anvin <hpa@zytor.com>,
        "David S. Miller" <davem@davemloft.net>,
        perfctr-devel@lists.sourceforge.net
Subject: Re: [patch] Performance Counters for Linux, v4
In-Reply-To: <Pine.LNX.4.64.0812161149430.6141@pianoman.cluster.toy>
References: <20081214212829.GA9435@elte.hu>
	<Pine.LNX.4.64.0812151243130.2773@pianoman.cluster.toy>
	<18758.53072.197695.277198@cargo.ozlabs.ibm.com>
	<1229438579.7025.21.camel@twins>
	<Pine.LNX.4.64.0812161149430.6141@pianoman.cluster.toy>
Sender: linux-kernel-owner@vger.kernel.org

Vince Weaver writes:
> 
> > On Tue, 2008-12-16 at 08:42 +1100, Paul Mackerras wrote:
> > Furthermore, I think output of tools such as time and now timec are most
> > relevant when compared between runs - that is, the change in values
> > between runs, not the absolute values as such. At least, that's what I
> > usually do:

Just for the record, I didn't write the quoted paragraph, Peter
Zijlstra did.

Paul.
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