Messages in this thread | | | Subject | Re: Should kirqd work on HT? | From | Nigel Cunningham <> | Date | Sat, 19 Feb 2005 20:07:43 +1100 |
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Hi Jeff.
On Sat, 2005-02-19 at 17:52, Jeff Garzik wrote: > Nigel Cunningham wrote: > What are the results of running irqbalanced?
You mean the debugging output? I can reenable it and record the results if that's what you mean.
>From memory though, it got to not_worth_the_effort via this code:
if (tmp_loaded == -1) { /* In the case of small number of heavy interrupt sources, * loading some of the cpus too much. We use Ingo's original * approach to rotate them around. */ if (!first_attempt && imbalance >= useful_load_threshold) { rotate_irqs_among_cpus(useful_load_threshold); return; } goto not_worth_the_effort; }
(arch/i386/kernel/io_apic.c:449.
Regards,
Nigel -- Nigel Cunningham Software Engineer, Canberra, Australia http://www.cyclades.com
Ph: +61 (2) 6292 8028 Mob: +61 (417) 100 574
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