[dpdk-dev] ixgbevf missed stats

Lu, Wenzhuo wenzhuo.lu at intel.com
Fri Mar 11 01:47:49 CET 2016


Hi Yaron,

> -----Original Message-----
> From: Yaron Illouz [mailto:yaroni at radcom.com]
> Sent: Thursday, March 10, 2016 8:53 PM
> To: Lu, Wenzhuo; dev at dpdk.org
> Subject: RE: ixgbevf missed stats
> 
> So I can't know if there where dropps!!!
Missed means the RX buffer is not enough. What's in my mind is that there's only one buffer shared, so we cannot split it to every VF. So, for VF, we have to check the PF stats to know there's jam.

> Is this the same for dpdk with virtio? Can I know if there where dropps?
I think this's another story. Let's wait and see what the virtio experts will teach us :)

> 
> -----Original Message-----
> From: Lu, Wenzhuo [mailto:wenzhuo.lu at intel.com]
> Sent: Thursday, March 10, 2016 2:40 PM
> To: Yaron Illouz <yaroni at radcom.com>; dev at dpdk.org
> Subject: RE: ixgbevf missed stats
> 
> Hi Yaron,
> The stats of PF is done by HW. The bad news is I don' find anything for VF. I also
> doubt if there's corresponding stats for VF.
> 
> > -----Original Message-----
> > From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Yaron Illouz
> > Sent: Thursday, March 10, 2016 8:27 PM
> > To: dev at dpdk.org
> > Subject: [dpdk-dev] ixgbevf missed stats
> >
> > Hi
> >
> > There is no statistics of missed packet for ixgbevf in a vm.
> > How can I get these stats?
> > In ixgbe it is called imissed


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