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[34.86.60.15]) by smtp.gmail.com with UTF8SMTPSA id 00721157ae682-79876c53644sm88927127b3.39.2026.03.05.06.25.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 Mar 2026 06:25:37 -0800 (PST) Date: Thu, 05 Mar 2026 09:25:37 -0500 From: Willem de Bruijn To: Akhilesh Samineni , Willem de Bruijn 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 Message-ID: In-Reply-To: References: <20260302195352.1015990-1-akhilesh.samineni@broadcom.com> <20260302195352.1015990-2-akhilesh.samineni@broadcom.com> Subject: Re: [net-next 1/3] psp: Support resetting statistics on a device Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Akhilesh Samineni wrote: > On Tue, Mar 3, 2026 at 2:45=E2=80=AFAM Willem de Bruijn > 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.=