> From: Andrew Lunn <[email protected]>
> Sent: Friday, May 10, 2024 7:59 AM
> To: Dan Jurgens <[email protected]>
> Cc: [email protected]; [email protected]; [email protected];
> [email protected]; [email protected];
> [email protected]; [email protected]; [email protected];
> [email protected]; Jiri Pirko <[email protected]>
> Subject: Re: [PATCH net-next 1/2] netdev: Add queue stats for TX stop and
> wake
> 
> On Thu, May 09, 2024 at 09:19:52PM +0000, Dan Jurgens wrote:
> > > From: Andrew Lunn <[email protected]>
> > > Sent: Thursday, May 9, 2024 3:47 PM
> > > To: Dan Jurgens <[email protected]>
> > > Subject: Re: [PATCH net-next 1/2] netdev: Add queue stats for TX
> > > stop and wake
> > >
> > > On Thu, May 09, 2024 at 11:32:15AM -0500, Daniel Jurgens wrote:
> > > > TX queue stop and wake are counted by some drivers.
> > > > Support reporting these via netdev-genl queue stats.
> > > >
> > > > +        name: tx-wake
> > > > +        doc: |
> > > > +          Number of times the tx queue was restarted.
> > > > +        type: uint
> > >
> > > I'm curious where these names came from. The opposite of stop would
> > > be start. The opposite of wake would be sleep. Are these meant to be
> > > opposites of each other? If they are opposites, why would they
> > > differ by more than 1? And if they can only differ by 1, why do we need
> both?
> >
> > The names come from the API. netif_tx_stop_queue,
> netif_tx_wake_queue.
> 
> O.K. So in that context, these names make sense. Maybe extend the doc:
> to mention these function names?
> 
> You say there are a few drivers with these counters? Does it make sense to
> actually push the increment into netif_tx_stop_queue(),
> netif_tx_wake_queue() so that they become available for all drivers?
> I've no idea what that implies...

It wouldn't be trivial. The stats are queried from the driver.

> 
>       Andrew

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