From: Willem de Bruijn <willemdebruijn.kernel@gmail.com>
To: Akhilesh Samineni <akhilesh.samineni@broadcom.com>,
Willem de Bruijn <willemdebruijn.kernel@gmail.com>
Cc: davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
pabeni@redhat.com, andrew+netdev@lunn.ch, horms@kernel.org,
willemb@google.com, daniel.zahka@gmail.com,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
jayakrishnan.udayavarma@broadcom.com,
ajit.khaparde@broadcom.com, kiran.kella@broadcom.com,
sachin.suman@broadcom.com
Subject: Re: [net-next 1/3] psp: Support resetting statistics on a device
Date: Thu, 05 Mar 2026 09:25:37 -0500 [thread overview]
Message-ID: <willemdebruijn.kernel.128851f8834b9@gmail.com> (raw)
In-Reply-To: <CANQF7iAYmKUj_WeDgf4dg941Zxm5bBVzz=yvX17PmyKMOYe6ng@mail.gmail.com>
Akhilesh Samineni wrote:
> On Tue, Mar 3, 2026 at 2:45 AM Willem de Bruijn
> <willemdebruijn.kernel@gmail.com> wrote:
> >
> > Akhilesh Samineni wrote:
> > > Drivers may need to reset per-device PSP statistics to zero.
> >
> > The series does not include rationale why this may be needed.
> >
> > What makes PSP counters special in this regard?
> >
>
> The PSP supports dynamic administrative states, allowing it to be
> enabled or disabled during runtime. Currently, statistics are
> persistent across these state transitions, which can lead to baseline
> drift and complicate telemetry analysis.
How is this dynamic enable/disable configured, and can stats reset be
part of that, rather than a separate API?
> This patch introduces a statistics reset mechanism to allow userspace
> to clear accumulated counters. This is essential for establishing a
> deterministic baseline when re-enabling the device, ensuring that
> performance metrics and error counters reflect only the current device
> state.
next prev parent reply other threads:[~2026-03-05 14:25 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-02 19:53 [net-next 0/3] psp: Support PSP reset statistics Akhilesh Samineni
2026-03-02 19:53 ` [net-next 1/3] psp: Support resetting statistics on a device Akhilesh Samineni
2026-03-02 21:15 ` Willem de Bruijn
2026-03-05 10:54 ` Akhilesh Samineni
2026-03-05 14:25 ` Willem de Bruijn [this message]
2026-03-06 15:50 ` Akhilesh Samineni
2026-03-06 20:37 ` Willem de Bruijn
2026-03-05 14:59 ` Jakub Kicinski
2026-03-06 15:54 ` Akhilesh Samineni
2026-03-06 20:34 ` Jakub Kicinski
2026-03-02 19:53 ` [net-next 2/3] netdevsim: psp: Handle statistics reset Akhilesh Samineni
2026-03-02 19:53 ` [net-next 3/3] selftests: drv-net: psp: add reset statistics test Akhilesh Samineni
2026-03-02 23:05 ` Jakub Kicinski
2026-03-05 10:55 ` Akhilesh Samineni
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=willemdebruijn.kernel.128851f8834b9@gmail.com \
--to=willemdebruijn.kernel@gmail.com \
--cc=ajit.khaparde@broadcom.com \
--cc=akhilesh.samineni@broadcom.com \
--cc=andrew+netdev@lunn.ch \
--cc=daniel.zahka@gmail.com \
--cc=davem@davemloft.net \
--cc=edumazet@google.com \
--cc=horms@kernel.org \
--cc=jayakrishnan.udayavarma@broadcom.com \
--cc=kiran.kella@broadcom.com \
--cc=kuba@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=netdev@vger.kernel.org \
--cc=pabeni@redhat.com \
--cc=sachin.suman@broadcom.com \
--cc=willemb@google.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox