Date: Thu, 27 Jan 2011 18:39:32 +0100 From: Damien Fleuriot <ml@my.gd> To: Jeremy Chadwick <freebsd@jdc.parodius.com> Cc: freebsd-stable@freebsd.org, "Vogel, Jack" <jack.vogel@intel.com>, freebsd-pf@freebsd.org Subject: Re: High interrupt rate on a PF box + performance Message-ID: <4D41ADD4.6050507@my.gd> In-Reply-To: <20110127173723.GA36846@icarus.home.lan> References: <4D41417A.20904@my.gd> <20110127172724.GA36587@icarus.home.lan> <4D41ABF1.1010405@my.gd> <20110127173723.GA36846@icarus.home.lan>
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On 1/27/11 6:37 PM, Jeremy Chadwick wrote:
> On Thu, Jan 27, 2011 at 06:31:29PM +0100, Damien Fleuriot wrote:
>>
>>
>> On 1/27/11 6:27 PM, Jeremy Chadwick wrote:
>>> On Thu, Jan 27, 2011 at 10:57:14AM +0100, Damien Fleuriot wrote:
>>>> Hello list,
>>>>
>>>> I have a problem with interrupts, network cards, and PF performance.
>>>>
>>>> We have 2 firewalls running FreeBSD 8.0 for the current master and
>>>> FreeBSD 8.1 for the backup host, which I upgraded just yesterday.
>>>>
>>>> [...]
>>>>
>>>> vmstat -i
>>>> ---
>>>> interrupt total rate
>>>> irq14: ata0 36 0
>>>> irq16: mfi0 353244 1
>>>> irq21: uhci0 uhci+ 461504 1
>>>> cpu0: timer 615183815 1996
>>>> irq256: bce0 1015412475 3295
>>>> irq257: igb0 1067318584 3464
>>>> irq258: igb0 695648752 2258
>>>> irq259: igb0 2 0
>>>> irq260: igb1 11503857 37
>>>> irq261: igb1 506598 1
>>>> irq262: igb1 69 0
>>>> irq269: bce1 790820 2
>>>> cpu1: timer 615183757 1996
>>>> cpu2: timer 615197165 1996
>>>> cpu3: timer 615197165 1996
>>>> Total 5252757843 17050
>>>
>>> There are changes to the igb(4) driver which are in RELENG_8 (8-STABLE),
>>> and some which will be in the upcoming 8.2-RELEASE, which may address
>>> this. Jack Vogel of Intel would be able to confirm for sure; CC'ing him
>>> here.
>>>
>>> Could you please provide output from the following commands?
>>>
>>> * pciconf -lvcb (only include igbX entries, thanks)
>>> * sysctl -a | grep msi
>>>
>>> Thanks.
>>>
>>> I can't help with the CARP-related issues or other stuff you're
>>> experiencing. These issues may all be separate problems, hard to say.
>>>
>>
>
> What you did here was "pciconf -lvcb | grep igb", or something
> equivalent.
Indeed, my bad.
igb0@pci0:14:0:0: class=0x020000 card=0x145a8086 chip=0x10d68086
rev=0x02 hdr=0x00
vendor = 'Intel Corporation'
device = '82575GB Gigabit Network Connection'
class = network
subclass = ethernet
bar [10] = type Memory, range 32, base 0xfd0e0000, size 131072,
enabled
bar [14] = type Memory, range 32, base 0xfce00000, size 2097152,
enabled
bar [18] = type I/O Port, range 32, base 0xdce0, size 32, enabled
bar [1c] = type Memory, range 32, base 0xfd0dc000, size 16384, enabled
cap 01[40] = powerspec 2 supports D0 D3 current D0
cap 05[50] = MSI supports 1 message, 64 bit
cap 11[60] = MSI-X supports 10 messages in map 0x1c enabled
cap 10[a0] = PCI-Express 2 endpoint max data 256(256) link x4(x4)
igb1@pci0:14:0:1: class=0x020000 card=0x145a8086 chip=0x10d68086
rev=0x02 hdr=0x00
vendor = 'Intel Corporation'
device = '82575GB Gigabit Network Connection'
class = network
subclass = ethernet
bar [10] = type Memory, range 32, base 0xfd0a0000, size 131072,
enabled
bar [14] = type Memory, range 32, base 0xfcc00000, size 2097152,
enabled
bar [18] = type I/O Port, range 32, base 0xdcc0, size 32, enabled
bar [1c] = type Memory, range 32, base 0xfd0d8000, size 16384, enabled
cap 01[40] = powerspec 2 supports D0 D3 current D0
cap 05[50] = MSI supports 1 message, 64 bit
cap 11[60] = MSI-X supports 10 messages in map 0x1c enabled
cap 10[a0] = PCI-Express 2 endpoint max data 256(256) link x4(x4)
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