From: Jakub Kicinski <kuba@kernel.org>
To: Lorenzo Bianconi <lorenzo@kernel.org>
Cc: netdev@vger.kernel.org, hawk@kernel.org,
ilias.apalodimas@linaro.org, davem@davemloft.net,
edumazet@google.com, pabeni@redhat.com,
lorenzo.bianconi@redhat.com, jdamato@fastly.com
Subject: Re: [PATCH net-next] net: page_pool: add pages and released_pages counters
Date: Mon, 17 Apr 2023 16:36:03 -0700 [thread overview]
Message-ID: <20230417163603.30be79bf@kernel.org> (raw)
In-Reply-To: <ZD28nJonfDPiW4F8@lore-desk>
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.
next prev parent reply other threads:[~2023-04-17 23:37 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-13 21:46 [PATCH net-next] net: page_pool: add pages and released_pages counters Lorenzo Bianconi
2023-04-15 1:46 ` Jakub Kicinski
2023-04-15 11:16 ` Lorenzo Bianconi
2023-04-17 18:12 ` Jakub Kicinski
2023-04-17 21:39 ` Lorenzo Bianconi
2023-04-17 23:36 ` Jakub Kicinski [this message]
2023-04-18 7:23 ` Lorenzo Bianconi
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