Messages in this thread | | | Date | Tue, 21 Feb 2006 09:47:54 +0200 | From | Imre Gergely <> | Subject | irq balance problems? |
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hi
i have kernel 2.6.9, with FC2, on an AMD64 Dual Opteron.
[root@btv 28]# cat /proc/interrupts CPU0 CPU1 0: 22249515 39262513 IO-APIC-edge timer 1: 0 8 IO-APIC-edge i8042 2: 0 0 XT-PIC cascade 8: 0 0 IO-APIC-edge rtc 14: 1 13 IO-APIC-edge ide0 24: 10 441422068 IO-APIC-level ioc0, eth1 25: 171765170 5905 IO-APIC-level ioc1, eth2 28: 921 406066 IO-APIC-level eth0 NMI: 16960 6317 LOC: 61500529 61500464 ERR: 0 MIS: 0
i was wondering, if IRQ28's (eth0) affinity is set to the default "f"
[root@btv 28]# cat /proc/irq/prof_cpu_mask f [root@btv 28]# cat /proc/irq/28/smp_affinity f
and irqbalance is not running, why aren't the interrupts coming from eth0 balanced between the two processors? at least that's what i understood from the examples in Documentation/IRQ-affinity.txt. are there any other settings/kernel parameters/compile option one has to set?
(pls msg me in private, i'm not on the list.) thanks
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