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

[Ben Hutchings <bhutchings@xxxxxxxxxxxxxx>]

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.

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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