Messages in this thread | | | Date | Tue, 06 Feb 2007 16:57:18 -0300 | From | Pablo Sebastian Greco <> | Subject | Re: cpu load balancing problem on smp |
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Arjan van de Ven wrote: > Marc Donner wrote: >>> >>> see http://www.irqbalance.org to get irqbalance >> >> I now have tried irqloadbalance, but the same problem. > > > can you send me the output of > > cat /proc/interrupts > > (taken when you are or have been loading the network) > > maybe there's something fishy going on > - > To unsubscribe from this list: send the line "unsubscribe > linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > Please take a look at this, taken from the same machine running different vanilla kernels on fc6. Current 2.6.19 fedora kernel, looks like 2.6.20rc3 (non mm) in the attachment.
2.6.20-rc3 [root@squid ~]# rpm -q irqbalance irqbalance-0.55-2.fc6 [root@squid ~]# uptime 11:51:50 up 6 days, 30 min, 3 users, load average: 5.31, 5.08, 4.02 [root@squid ~]# service irqbalance status irqbalance (pid 2310) is running... [root@squid ~]# cat /proc/interrupts CPU0 CPU1 CPU2 CPU3 0: 520209517 0 0 0 IO-APIC-edge timer 1: 12 0 0 0 IO-APIC-edge i8042 8: 1 0 0 0 IO-APIC-edge rtc 9: 0 0 0 0 IO-APIC-fasteoi acpi 12: 103 0 0 0 IO-APIC-edge i8042 14: 0 0 0 0 IO-APIC-edge libata 15: 0 0 0 0 IO-APIC-edge libata 20: 138736 188194096 0 6797630 IO-APIC-fasteoi libata 22: 0 0 0 0 IO-APIC-fasteoi uhci_hcd:usb2, uhci_hcd:usb4 23: 0 0 0 0 IO-APIC-fasteoi uhci_hcd:usb1, uhci_hcd:usb3, ehci_hcd:usb5 2296: 1367 0 0 849270653 PCI-MSI-edge eth1 2297: 1022 835083968 0 0 PCI-MSI-edge eth0 NMI: 47756 146249 47617 146186 LOC: 516828752 517331906 516828611 517331771 ERR: 0 2.6.20-rc3-mm1 [root@squid kernel]# uptime 12:17:54 up 1 day, 21:58, 2 users, load average: 9.47, 9.79, 10.28 [root@squid kernel]# cat /proc/interrupts CPU0 CPU1 CPU2 CPU3 0: 60031592 61350247 22273772 21780215 IO-APIC-edge timer 1: 0 6 1 1 IO-APIC-edge i8042 8: 0 0 1 0 IO-APIC-edge rtc 9: 0 0 0 0 IO-APIC-fasteoi acpi 12: 148 283 104 136 IO-APIC-edge i8042 14: 0 0 0 0 IO-APIC-edge libata 15: 0 0 0 0 IO-APIC-edge libata 20: 10482795 1477821 93306 641628 IO-APIC-fasteoi libata 22: 0 0 0 0 IO-APIC-fasteoi uhci_hcd:usb2, uhci_hcd:usb4 23: 0 0 0 0 IO-APIC-fasteoi uhci_hcd:usb1, uhci_hcd:usb3, ehci_hcd:usb5 2296: 427 426 436 134563009 PCI-MSI-edge eth1 2297: 252 252 135926471 257 PCI-MSI-edge eth0 NMI: 0 0 0 0 LOC: 164661140 165163503 164660992 165163305 ERR: 0
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