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

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Date:	Thu, 11 Jun 2009 12:46:56 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Marcel Holtmann <marcel@...tmann.org>,
	Christoph Hellwig <hch@...radead.org>,
	Ingo Molnar <mingo@...e.hu>,
	"David S. Miller" <davem@...emloft.net>,
	Stephane Eranian <eranian@...glemail.com>,
	linux-kernel@...r.kernel.org, Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [GIT PULL] Performance Counters for Linux

On Thu, Jun 11, 2009 at 09:38:32AM -0700, Linus Torvalds wrote:
> > so do you expect us to merge stuff like ip, iw, rfkill, crda, the WiMAX
> > tools, the Bluetooth ones and whatever we have that are all have the
> > same issues to be merged into the kernel source code as well.
> 
> No. Only stuff that I expect to be really close to hardware, and used for 
> kernel purposes.

Did you take a look a tools/perf/?  There is nothing close to hardware
at all.  It's all pretty highly abstracted away from anything resembling
the hardware through the perfcounters interface.

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