svn commit: r271946 - in head/sys: dev/oce dev/vmware/vmxnet3 dev/xen/netfront kern net netinet ofed/drivers/net/mlx4 sys
Hans Petter Selasky
hps at selasky.org
Tue Sep 15 18:33:13 UTC 2015
Hi Adrian,
On 09/15/15 19:13, Adrian Chadd wrote:
> I know all of this. What I'm asking is different - what about the
> change(s) that broke/fixed the Xen network performance actually caused
> the change in behaviour? I know things are sensitive to how the mbufs
> are broken up - I'd like to see exactly this.
You need to add statistic counters to the network drivers in question,
how frequently packets are defragged and/or dropped in the TX path to
figure that out. Can we continue this discussion elsewhere?
--HPS
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