Re: [Xen-users] PCI passthrough, poor network performance in upload direction

["Luis F Urrea" <lfurrea@xxxxxxxxx>]

eth0      Link encap:Ethernet  HWaddr 00:10:18:32:01:07  
          inet addr:172.16.1.130  Bcast:172.16.1.255  Mask:255.255.255.128
          inet6 addr: fe80::210:18ff:fe32:107/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:355091 errors:0 dropped:0 overruns:0 frame:0
          TX packets:750511 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:37691559 (35.9 MiB)  TX bytes:1124647344 (1.0 GiB)
          Interrupt:17 

eth1      Link encap:Ethernet  HWaddr 00:10:18:2f:df:91  
          inet addr:172.16.0.139  Bcast:172.16.0.255  Mask:255.255.255.128
          inet6 addr: fe80::210:18ff:fe2f:df91/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:5973 errors:0 dropped:0 overruns:0 frame:0
          TX packets:3374 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:4131763 (3.9 MiB)  TX bytes:601655 (587.5 KiB)
          Interrupt:1


firewall:~# cat /proc/interrupts
           CPU0       
254:       9363        Phys-irq  eth1
255:     632464        Phys-irq  eth0
256:      67710     Dynamic-irq  timer0
257:          0     Dynamic-irq  resched0
258:          0     Dynamic-irq  callfunc0
259:        358     Dynamic-irq  xenbus
260:          0     Dynamic-irq  suspend
261:          0     Dynamic-irq  pcifront
262:         36     Dynamic-irq  xencons
263:      16841     Dynamic-irq  blkif
264:         12     Dynamic-irq  blkif
NMI:          0 
LOC:          0 
ERR:          0
MIS:          0

On Thu, Dec 11, 2008 at 2:47 PM, Thomas Halinka <lists@xxxxxxxxx> wrote:

Am Donnerstag, den 11.12.2008, 14:26 -0700 schrieb Luis F Urrea:

> Guest kernel is:
>
> 2.6.18.8-xen
>
> This is a paravirtualized Debian installation on the guest booted with
> PyGrub
>
> NICs are both:
>
> Broadcom NetXtreme BCM5722 Gig Ethernet PCI Express
>
> System:
> AMD Opteron 2212 2GHz
> 4 GB RAM
> on Dell Poweredge T105
>
> DomU's 512 MB RAM
>
> Driver is tg3 compiled from source on guest domain.

Please post _full-output_ from one of these interfaces

ifconfig ethX

and also

# cat /proc/interrupts

Thomas

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