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From: Ingo Molnar <mingo@elte.hu>
To: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
	Andi Kleen <ak@linux.intel.com>,
	Pekka Enberg <penberg@kernel.org>,
	Vince Weaver <vweaver1@eecs.utk.edu>,
	torvalds@linux-foundation.org, linux-kernel@vger.kernel.org,
	Peter Zijlstra <peterz@infradead.org>,
	Stephane Eranian <eranian@gmail.com>,
	Carl Love <carll@us.ibm.com>
Subject: Re: re-enable Nehalem raw Offcore-Events support
Date: Sun, 1 May 2011 19:55:05 +0200	[thread overview]
Message-ID: <20110501175505.GA27830@elte.hu> (raw)
In-Reply-To: <4DBC6BC1.5090102@linux.vnet.ibm.com>


* Corey Ashford <cjashfor@linux.vnet.ibm.com> wrote:

> Carl Love and I recently completed some work to add perf_events support for 
> the IBM Blue Waters machine's "CPU networking" chip, called the Torrent chip.  
> We did all of this work based on a RHEL 6 kernel (2.6.32ish), which doesn't 
> have Peter's more recent multi-PMU support.
> 
> I would say that most if not all of the events are not generalizable in the 
> sense that you are talking about; the events are very specific to the Torrent 
> chip. [...]

That's ok and not a problem.

The issue here are events that *are* generalizable.

> So if I'm understanding what you have said correctly, we would not be able to 
> get a forward port of this code committed without abstracting these events in 
> a away that's acceptable to the kernel community. [...]

If the number of events worth generalizing is the empty set that's ok.

Thanks,

	Ingo

  parent reply	other threads:[~2011-05-01 17:55 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-04-29 15:04 re-enable Nehalem raw Offcore-Events support Vince Weaver
2011-04-29 15:27 ` Andi Kleen
2011-04-29 16:49   ` Ingo Molnar
2011-04-29 16:42 ` Ingo Molnar
2011-04-29 18:01   ` Vince Weaver
2011-04-29 18:57     ` Ingo Molnar
2011-04-30  2:17       ` Vince Weaver
2011-04-30  7:14         ` Pekka Enberg
2011-04-30 20:47           ` Vince Weaver
2011-05-01 18:31             ` Ingo Molnar
2011-04-30  8:11         ` Borislav Petkov
2011-04-30 21:03           ` Vince Weaver
2011-05-09 11:01       ` stephane eranian
2011-05-10  9:35         ` Ingo Molnar
2011-04-29 22:16   ` Borislav Petkov
2011-04-30  1:49     ` Vince Weaver
2011-04-30  1:53   ` Vince Weaver
2011-04-30 20:58     ` Vince Weaver
2011-04-30 21:09       ` Alan Cox
2011-04-29 17:17 ` Pekka Enberg
2011-04-29 17:25   ` Andi Kleen
2011-04-29 17:37     ` Pekka Enberg
2011-04-29 17:46       ` Vince Weaver
2011-04-29 17:59         ` Pekka Enberg
2011-04-29 17:42     ` Thomas Gleixner
2011-04-30 20:06       ` Corey Ashford
2011-05-01  4:45         ` Andi Kleen
2011-05-01 18:00           ` Ingo Molnar
2011-05-01 17:55         ` Ingo Molnar [this message]
2011-05-02 18:32           ` Corey Ashford

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