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Date: Thu, 11 Nov 2010 21:12:59 +0100 From: Andi Kleen <andi@...stfloor.org> To: Peter Zijlstra <a.p.zijlstra@...llo.nl> Cc: Andi Kleen <andi@...stfloor.org>, Corey Ashford <cjashfor@...ux.vnet.ibm.com>, Andi Kleen <ak@...ux.intel.com>, linux-kernel@...r.kernel.org, fweisbec@...il.com, mingo@...e.hu, acme@...hat.com, eranian@...gle.com Subject: Re: [PATCH 2/3] perf: Add support for extra parameters for raw events On Thu, Nov 11, 2010 at 08:59:47PM +0100, Peter Zijlstra wrote: > On Thu, 2010-11-11 at 20:49 +0100, Andi Kleen wrote: > > > I think it would have parsed OK, but it is a confusing syntax to > > > look at. I should point out that there are also the u,k,h modifiers > > > which can be specified, even on raw events, so the full syntax looks > > > something like: > > > > > > -e rXXXX[+YYYY][:u|:k|:h] > > > > Ok I can fix the help text for that. > > If we're frobbing it in the existing config qword, do we still need > special syntax? No, it could be all merged then. > > Also, I think we can use the same mechanism to program the > PEBS-load-latency MSR, right? I haven't looked at that, but if it's a per core resource the infrastructure can be reused at least. -Andi -- ak@...ux.intel.com -- Speaking for myself only. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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