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Date: Tue, 29 May 2012 10:39:12 +0200 From: Peter Zijlstra <a.p.zijlstra@...llo.nl> To: Ulrich Drepper <drepper@...il.com> Cc: Jiri Olsa <jolsa@...hat.com>, Andi Kleen <andi@...stfloor.org>, acme@...hat.com, mingo@...e.hu, paulus@...ba.org, cjashfor@...ux.vnet.ibm.com, fweisbec@...il.com, linux-kernel@...r.kernel.org, tglx@...utronix.de Subject: Re: [RFCv2 0/8] perf tool: Add new event group management On Sun, 2012-05-27 at 03:56 -0400, Ulrich Drepper wrote: > Therefore it is important to recognize when two groups > can be scheduled concurrently even if the total number of counters > needed would be high but due to intersections it is possible. We currently don't do counter multiplexing like that. I'd love to see a readable and efficient implementation of that though, preferably in the core and not the arch code. -- 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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