Cannot control XL710 VF interrupte rate

JWang113 · ‎05-20-2016

Hi,

I'm doing the tuning job for XL710 VF on a FreeBSD10 VM (driver is ixlv-1.2.11) hosted on a kvm-hypervisor server (pf driver is i40e-1.4.25).

I found for each queue of the vf the interrupte rate is very high (>10000/sec).

As said in the datasheet, I tried to set I40E_VF_ITRN by the VF driver and set I40E_VPINT_RATEN by the PF driver. But this didn't work.

I have upgraded the NVM to 5.02 the latest version.

Could anybody help me resolve the issue?

idata · ‎05-24-2016

Hi fishingbear2,

You may want to try the updated drivers found in this link - https://sourceforge.net/projects/e1000/files/

Regards,

Vince

JWang113 · ‎05-24-2016

Thanks you Vince, but I'm using FreeBSD as VM OS. The lastest vf driver is 1.2.11 and the interrupt issue exists.

Regards,

JX

idata · ‎05-27-2016

Thanks JX, i'm currently checking your concern. Will update this thread as soon as possible.

regards,

Vince

idata · ‎07-19-2016

Hi JX,

Please try use the following command and feel free to update me the result>

Ethtool –c tx-usecs 125 rx-usecs 125, this should limit each queue to 8000 interrupts.

Thanks,

wb

idata · ‎07-25-2016

HI JX,

Have you tried the command I posted? Please feel free to update me the result.

thanks,

wb