[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] More network tests with xenoprofile this time
On Tuesday 31 May 2005 05:48 pm, Ian Pratt wrote: > > I have cpu util from polling xc_domain_get_cpu_usage() for > > both domains, which is (an exerpt from the whole run, in 3 > > second intervals): > > > > cpu0: [100.4] d0-0[100.4] > > cpu2: [045.1] d1-0[045.1] > > OK, so you're confident idle time would be reported OK if there was any. > > > > Is the Ethernet NIC sharing an interrupt with the USB > > > > controller per > > > > > chance? > > > > Not as far as I can tell: > > > > CPU0 > > 11: 6764395 Phys-irq ohci_hcd > > 24: 6037311 Phys-irq eth0 > > 260: 1688517 Dynamic-irq vif1.0 > > Anyone care to suggest hy ohci_hcd is taking so many interrupts? Looks > very fishy to me. I take it you're not using a USB Ethernet NIC? :-) The bladecenters have a shared USB connected to all the blades. I would imagine it is the keyboard/mouse or USB CDROM connected to this bus that is generating all of these interrupts. > What happens if you boot 'nousb' ? This shouldn't hurt anything, unless Andrew needs access to kdb or cdrom. Thanks, Jon _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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