Re: Should kirqd work on HT?

From: Martin J. Bligh
Date: Sun Feb 20 2005 - 09:48:23 EST


> I've noticed this problem for a while, but only now decided to ask.
> Interrupt balancing doesn't do anything on my system.
>
> CPU0 CPU1
> 0: 31931808 0 IO-APIC-edge timer
> 1: 76595 0 IO-APIC-edge i8042
> 8: 1 0 IO-APIC-edge rtc
> 9: 1 0 IO-APIC-level acpi
> 14: 122 1 IO-APIC-edge ide0
> 16: 4074456 0 IO-APIC-level uhci_hcd, uhci_hcd, radeon@PCI:1:0:0
> 17: 4295132 0 IO-APIC-level Intel ICH5
> 18: 2070933 0 IO-APIC-level libata, uhci_hcd, eth0
> 19: 887311 0 IO-APIC-level uhci_hcd
> 22: 572530 0 IO-APIC-level ath0
> NMI: 31931749 31931636 (I've since disabled the nmi_watchdog)
> LOC: 31931252 31931251
> ERR: 0
> MIS: 0
>
> I enabled the debugging and found that it doesn't think it's worth the
> effort. Is that correct? Not a complaint, just curious!

I think it's nothing to do with HT, just the rate you're sending intterrupts
at isn't high enough to bother rotating.

M.

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