Re: [V2 RFC net-next PATCH 2/2] virtio_net: export more statisticsthrough ethtool

From: Ben Hutchings
Date: Thu Jun 07 2012 - 16:58:04 EST


On Thu, 2012-06-07 at 21:56 +0100, Ben Hutchings wrote:
> On Thu, 2012-06-07 at 13:39 -0700, Rick Jones wrote:
> > On 06/07/2012 01:24 PM, Ben Hutchings wrote:
> > > On Thu, 2012-06-07 at 13:05 -0700, David Miller wrote:
> > >> From: Ben Hutchings<bhutchings@xxxxxxxxxxxxxx>
> > >> Date: Thu, 7 Jun 2012 18:15:06 +0100
> > >>
> > >>> I would really like to see some sort of convention for presenting
> > >>> per-queue statistics through ethtool. At the moment we have a complete
> > >>> mess of different formats:
> > >>
> > >> Indeed. Probably ${QUEUE_TYPE}-${INDEX}-${STATISTIC} is best.
> > >> With an agreed upon list of queue types such as "rx", "tx", "rxtx"
> > >> etc.
> > >
> > > I think we should leave the type names open-ended, as there are other
> > > useful groupings like per-virtual-port. In that case the separator
> > > should be chosen to allow arbitrary type names without ambiguity.
> >
> > So you mean like something along the lines of the presence of say '.'
> > indicating indent a level:
> >
> > rx_bytes: 1234
> > myqueue1.rx_bytes: 234
> > myqueue2.rx_bytes: 345
> > ...
>
> Most drivers seem to want this sort of ordering/grouping:
>
> group0.foo
> group0.bar
> ...
> group1.foo
> group1.bar
> ...
>
> but if we have a standard way of indicating groups of statistics then
> the user can choose whether they want to reorder by type name.

I mean, whether they want to reorder/regroup by the final part of the
statistic name.

Ben.

--
Ben Hutchings, Staff Engineer, Solarflare
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.

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