Messages in this thread | | | Date | Sun, 10 Jun 2007 10:38:05 -0700 | From | "Mark Knecht" <> | Subject | Re: 2.6.21-rt9 - IRQ23 consuming a steady 2.7% of CPU |
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On 6/10/07, Ingo Molnar <mingo@elte.hu> wrote: > > * Mark Knecht <markknecht@gmail.com> wrote: > > > 23: 1739277 IO-APIC-fasteoi ohci_hcd:usb2, eth0 > > > 00:0a.0 Bridge: nVidia Corporation CK804 Ethernet Controller (rev a3) > > ok, that's forcedeth. Does that behavior go away if you revert the > change below, via patch -p0 -R ? > > but in general, -rt will track IRQ cpu usage accurately, while mainline > does not measure it at all when in idle. So a frequent IRQ on mainline > might be using up similar amounts of of CPU time as well, but it's not > reported. > > Ingo >
Ingo, GMail is being kranky. Can you please send the patch as a zipped attachment?
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