[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] RE: [Xen-devel] Interrupt levels
> On Tue, Mar 08, 2005 at 11:07:53AM -0000, Ian Pratt wrote: > > Since processing timer interrupts are cheap there's no urgent fix > > required. > > The real question is why are you blocking/unblocking at a rate of > > 55k/second. > > Seems to be affecting my interactive latency though. I was going to > test a headless NX desktop install, I'll probably hold off on > that for a > little while. 55k interrupts/second will certainly make things seem sluggish. There's something bad happening on your system. > NFS, qmail, apache/php, imap and openvpn are the main > services. Very low > load. Two imap sessions, one openvpn sessions. Not more than > 2000 emails > per day. CRM114 and clamav virus/spam scanning. mutt. > > Postgres and mysql, on very low loads. > > vmstat intr figures for the guest domU domains is usually <30. > > I'm going reduce a dom0 kernel configure to the minimal and > see how that > functions. It would be very helpful if you could see whether you can reproduce this with just dom0, or with one of our stock 2.0-testing kernels. I'd like to get to the bottom of this before announcing 2.0.5. Ian ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_ide95&alloc_id396&op=click _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/xen-devel
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