Messages in this thread | | | Date | Wed, 27 Aug 2008 00:14:07 +0400 | From | Evgeniy Polyakov <> | Subject | Re: loaded router, excessive getnstimeofday in oprofile |
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On Fri, Aug 22, 2008 at 04:57:40AM +0300, Denys Fedoryshchenko (denys@visp.net.lb) wrote: > I have loaded router (~650 Mbps In+Out), based on 2xAMD Opteron 248, Sun Fire > X4100. HPET timer available (TSC seems not available on this platform). > Network interfaces is onboard, connected over PCI-X. > > Right now i am using only one processor, cause using only one interface and > interrupts stick to it. Other is almost not used. > At peak time i notice in mpstat, that this processor is almost "dead", and if > i run minor application consuming resources - ping over this router will be > terrible. For me it is clear - system overloaded. I did oprofile, and here is > result (at low load time, but at peak time it is very similar).
Do you have any packet sockets in this system? Like running dhcp daemon?
-- Evgeniy Polyakov
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