netdev - Re: [PATCH net-next] net: page_pool: add pages and released

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Message-ID: <ZD5FWFik410qExT2@lore-desk>
Date:   Tue, 18 Apr 2023 09:23:04 +0200
From:   Lorenzo Bianconi <lorenzo@...nel.org>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     netdev@...r.kernel.org, hawk@...nel.org,
        ilias.apalodimas@...aro.org, davem@...emloft.net,
        edumazet@...gle.com, pabeni@...hat.com,
        lorenzo.bianconi@...hat.com, jdamato@...tly.com
Subject: Re: [PATCH net-next] net: page_pool: add pages and released_pages
 counters

> On Mon, 17 Apr 2023 23:39:40 +0200 Lorenzo Bianconi wrote:
> > > Yup, that sounds better.  
> > 
> > ack, fine. I am now wondering if these counters are useful just during
> > debugging or even in the normal use-case.
> 
> I was wondering about it too, FWIW, I think the most useful info is
> the number of outstanding references. But it may be a little too
> unflexible as a statistic. BPF attached to the trace point may be
> a better choice there, and tracepoints are already in place.

ack, I agree. Let's drop this patch in this case.

Regards,
Lorenzo

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