Messages in this thread |  | | Subject | Re: SMP and CPU1 not showing interrupts in /proc/interrupts | From | Arjan van de Ven <> | Date | 23 Feb 2003 14:52:39 +0100 |
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On Sun, 2003-02-23 at 10:42, James Harper wrote: > somewhere between about 2.5.53 and 2.5.62 my /proc/interrupts has gone > from an approximately even distribution of interrupts between CPU0 and > CPU1 to grossly uneven: > > CPU0 CPU1 > 0: 13223321 2233217 IO-APIC-edge timer > 1: 13442 0 IO-APIC-edge i8042 > 2: 0 0 XT-PIC cascade > 3: 291874 0 IO-APIC-edge serial > 8: 3 0 IO-APIC-edge rtc > 9: 0 0 IO-APIC-edge acpi > 14: 18932 0 IO-APIC-edge ide0 > 15: 14 0 IO-APIC-edge ide1 > 16: 190607 1 IO-APIC-level eth0, nvidia > 17: 3214 0 IO-APIC-level bttv0 > 18: 14249 1 IO-APIC-level ide2 > 19: 121942 0 IO-APIC-level uhci-hcd, wlan0 > NMI: 0 0 > LOC: 15458218 15458423 > ERR: 0 > MIS: 0 > > if i really hit the system hard then CPU1 will start accruing interrupts > but in a mostly idle state CPU1 just sits on its bum and lets CPU0 > handle them all, with the exception of irq #0, for some reason.
could you try the irqbalanced daemon for interrupt balancing:
http://people.redhat.com/arjanv/irqbalance/irqbalance-0.05.tar.gz
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