linux-kernel - Re: re-enable Nehalem raw Offcore-Events support

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Message-ID: <20110501183120.GA29964@elte.hu>
Date:	Sun, 1 May 2011 20:31:20 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Vince Weaver <vweaver1@...s.utk.edu>
Cc:	Pekka Enberg <penberg@...nel.org>, torvalds@...ux-foundation.org,
	linux-kernel@...r.kernel.org,
	Peter Zijlstra <peterz@...radead.org>,
	Stephane Eranian <eranian@...il.com>,
	Andi Kleen <ak@...ux.intel.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: re-enable Nehalem raw Offcore-Events support


* Vince Weaver <vweaver1@...s.utk.edu> wrote:

> I spend a lot of time dealing with developers who use perf-counter related 
> interfaces all the time.  They complain to me *constantly* about the 
> drawbacks of perf_events, because PAPI is one step up from the kernel.
> 
> I try to get them to interact with the kernel people, but they won't.  Do you 
> know why?  Because they feel like the perf_events developers are rude at 
> best, unhelpful in general, and actively anti-anyone-not-using-perf.

Arnaldo, the maintainer of perf tooling (and with whom most users complaining 
about perf would be interacting) is one of the most responsive maintainers and 
developers i've ever seen. I have not seen him brush off a single user 
bugreport or complaint, ever - let alone be 'unhelpful' or be anti-anyone. 
Ditto for Peter.

They didnt even brush *you* off, ever.

Let me guess, you just made that argument up, right?

	Ingo
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