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Date: Tue, 1 May 2007 20:06:52 -0400 From: "Lee Revell" <rlrevell@...-job.com> To: "Kok, Auke" <auke-jan.h.kok@...el.com> Cc: "Michel Lespinasse" <walken@....org>, "Chuck Ebbert" <cebbert@...hat.com>, linux-kernel@...r.kernel.org, "Dave Jones" <davej@...hat.com>, "Jeb Cramer" <cramerj@...el.com>, "John Ronciak" <john.ronciak@...el.com>, "Jesse Brandeburg" <jesse.brandeburg@...el.com>, "Jeff Kirsher" <jeffrey.t.kirsher@...el.com> Subject: Re: 24 lost ticks with 2.6.20.10 kernel On 5/1/07, Kok, Auke <auke-jan.h.kok@...el.com> wrote: > Michel Lespinasse wrote: > > (I've added the E1000 maintainers to the thread as I found the issue > > seems to go away after I compile out that driver. For reference, I was > > trying to figure out why I lose exactly 24 ticks about every two > > seconds, as shown with report_lost_ticks. This is with a DQ965GF > > motherboard with onboard E1000). > > that's perfectly likely. The main issue is that we read the hardware stats every > two seconds and that can consume quite some time. It's strange that you are > losing that many ticks IMHO, but losing one or two might very well be. > Why do you have to disable all interrupts? Shouldn't it be sufficient to disable interrupts on the e1000 only? Lee - 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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