Re: ixg(4) performances

[Stephan <stephanwib%googlemail.com@localhost>]

Hi,

did you measure raw TCP and UDP throughput using iperf or netperf?


Regards,

Stephan

2014-07-01 8:56 GMT+02:00 Emmanuel Dreyfus <manu%netbsd.org@localhost>:
> Hello
>
> I experiment 10 GE link with ixb(4), but the result is really weak: The
> two machines have a direct link through a SFTP+ câble, and copying a file
> over NFS I get a throughput of 1.8 Mb/s, which is less than 2% of the
> link capacity. Any idea of where to look for imrovement?
>
> Here is dmesg output for the boards:
> ixg0 at pci5 dev 0 function 0: Intel(R) PRO/10GbE PCI-Express Network Driver, 
> Version - 2.3.10
> ixg0: clearing prefetchable bit
> ixg0: interrupting at ioapic0 pin 18
> ixg0: PCI Express Bus: Speed 2.5Gb/s Width x8
> ixg1 at pci5 dev 0 function 1: Intel(R) PRO/10GbE PCI-Express Network Driver, 
> Version - 2.3.10
> ixg1: clearing prefetchable bit
> ixg1: interrupting at ioapic0 pin 19
> ixg1: PCI Express Bus: Speed 2.5Gb/s Width x8
>
>
>
> --
> Emmanuel Dreyfus
> manu%netbsd.org@localhost