Messages in this thread | | | Date | Thu, 9 Nov 2006 20:41:45 -0800 | From | Andrew Morton <> | Subject | Re: [Dumb question] 100k RTC interrupts/sec on SMP system: why? |
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On Thu, 9 Nov 2006 13:09:53 +0300 Paul P Komkoff Jr <i@stingr.net> wrote:
> Hi. > > I have a couple of old SMP systems (Dual P3 on Intel STL2 boards), on > which I experience the following: > procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu------ > 0 0 0 800752 45376 143064 0 0 0 8 96607 65 0 0 100 0 0 > 0 0 0 800752 45376 143064 0 0 0 0 96439 57 0 0 100 0 0 > > It's a completely idle system. Interrupts are coming from rtc. > This is a stock fedora SMP kernel. > > IIRC, some time ago (years) I've read that rtc can be used somehow in > SMP but I don't remember the specifics. So, maybe you are familiar > with this and can give out a quick answer - what this 100K > interrupts/sec are about, and how to get rid of them (if possible). >
I guess we could start with the full dmesg output and the kernel version? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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