Messages in this thread | | | Date | Fri, 23 Feb 2007 08:39:13 -0600 | From | Robert Hancock <> | Subject | Re: irq balancing question |
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Imre Gergely wrote: > hi > > i have a SMP with 2x duo-core Opteron processors, and i have an ethernet card > (eth0). i want to balance the interrupts generated by the card to all 4 > processors. i can do this by writing to smp_affinity, but on another machine it > get's done by "default", without doing anything. > > is this irq balancing a feature in the chipset, or driver, or kernel ? i got > the idea of the smp_affinity stuff, and i've set it to "f", but nothing > happens, i mean i see only one CPU getting the interrupts. > > i'm using kernel 2.6.18, but tried with 2.6.19, too.
You need to run the irqbalance daemon to do this, unless the interrupts are distributed in hardware (which only some machines do).
-- Robert Hancock Saskatoon, SK, Canada To email, remove "nospam" from hancockr@nospamshaw.ca Home Page: http://www.roberthancock.com/
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