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Message-ID: <20120206202722.GA556@aftab> Date: Mon, 6 Feb 2012 21:27:22 +0100 From: Borislav Petkov <bp@...64.org> To: Peter Zijlstra <peterz@...radead.org> Cc: Stephane Eranian <eranian@...gle.com>, linux-kernel@...r.kernel.org, acme@...hat.com, mingo@...e.hu, robert.richter@....com, eric.dumazet@...il.com, Andreas Herrmann <andreas.herrmann3@....com> Subject: Re: [BUG] perf: perf sched warning possibly due to clock granularity on AMD On Mon, Feb 06, 2012 at 05:54:19PM +0100, Peter Zijlstra wrote: > On Mon, 2012-02-06 at 17:46 +0100, Borislav Petkov wrote: > > > across all CPUs in the entire system. > > > > Right, by the "entire system" you mean consistent across cores and > > sockets but not necessarily across cabinets, as in the comment above, > > correct? > > > > If so, let me ask around if this holds true too. > > Every CPU available to the kernel. So if you run a single system image > across your cabinets, then yes those too. Ok, but what about that sentence "(but not across cabinets - we turn it off in that case explicitly.)" - I don't see any place where it is turned off explicitly... Maybe a stale comment? -- Regards/Gruss, Boris. Advanced Micro Devices GmbH Einsteinring 24, 85609 Dornach GM: Alberto Bozzo Reg: Dornach, Landkreis Muenchen HRB Nr. 43632 WEEE Registernr: 129 19551 -- 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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