linux-kernel - Re: [GIT PULL] Performance Counters for Linux

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Message-ID: <20090612083544.65d88b40@lxorguk.ukuu.org.uk>
Date:	Fri, 12 Jun 2009 08:35:44 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Jiri Slaby <jirislaby@...il.com>, Sam Ravnborg <sam@...nborg.org>,
	Marcel Holtmann <marcel@...tmann.org>,
	Ingo Molnar <mingo@...e.hu>, Martin Bligh <mbligh@...gle.com>,
	Christoph Hellwig <hch@...radead.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Al Viro <viro@...iv.linux.org.uk>,
	"David S. Miller" <davem@...emloft.net>,
	Stephane Eranian <eranian@...glemail.com>,
	linux-kernel@...r.kernel.org, Paul Mackerras <paulus@...ba.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [GIT PULL] Performance Counters for Linux

> Sure, you'd always update the 'kernel-perftool' package (or whatever you'd 
> call it) when you update the kernel. But so what? It's going to be tiny. 
> And appropriate.
> 
> IOW, where's the downside?

Why you need to update the perftool not the kernel, which is very likely
to be the case early on. There are ways for vendors to cope anyway - such
as by deleting the tools directory from their kernel and keeping a
separate perftool package that gets updated now and then from the kernel
tree but is otherwise a fork

Alan
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