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From: Pablo Sebastian Greco <lkml@fliagreco.com.ar>
To: Arjan van de Ven <arjan@linux.intel.com>
Cc: Marc Donner <donner@dbd-breitband.de>, linux-kernel@vger.kernel.org
Subject: Re: cpu load balancing problem on smp
Date: Tue, 06 Feb 2007 16:57:18 -0300	[thread overview]
Message-ID: <45C8DD9E.7010309@fliagreco.com.ar> (raw)
In-Reply-To: <45C8CC2A.90403@linux.intel.com>

[-- Attachment #1: Type: text/plain, Size: 763 bytes --]

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 
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> 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.


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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

  reply	other threads:[~2007-02-06 19:57 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-06 17:32 Marc Donner
2007-02-06 18:09 ` Arjan van de Ven
2007-02-06 18:41   ` Marc Donner
2007-02-06 18:42     ` Arjan van de Ven
2007-02-06 19:57       ` Pablo Sebastian Greco [this message]
2007-02-06 20:12         ` Arjan van de Ven
2007-02-06 20:52           ` Pablo Sebastian Greco
2007-02-06 23:49       ` Marc Donner
2007-02-07  5:59         ` Arjan van de Ven
2007-02-07 21:32           ` Marc Donner
2007-02-08  8:42           ` David Lang
2007-02-09 15:12             ` Marc Donner

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