From: Simon Horman <horms@kernel.org>
To: Tariq Toukan <tariqt@nvidia.com>
Cc: Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Andrew Lunn <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
Jiri Pirko <jiri@resnulli.us>, Jonathan Corbet <corbet@lwn.net>,
Saeed Mahameed <saeedm@nvidia.com>,
Leon Romanovsky <leon@kernel.org>, Mark Bloch <mbloch@nvidia.com>,
netdev@vger.kernel.org, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org,
Gal Pressman <gal@nvidia.com>, Maor Gottlieb <maorg@nvidia.com>,
Moshe Shemesh <moshe@nvidia.com>,
Akiva Goldberger <agoldberger@nvidia.com>
Subject: Re: [PATCH net-next] net/mlx5: Expose uar access and odp page fault counters
Date: Fri, 26 Sep 2025 13:49:59 +0100 [thread overview]
Message-ID: <aNaL90oj8vyq9-A9@horms.kernel.org> (raw)
In-Reply-To: <1758797130-829564-1-git-send-email-tariqt@nvidia.com>
On Thu, Sep 25, 2025 at 01:45:30PM +0300, Tariq Toukan wrote:
> From: Akiva Goldberger <agoldberger@nvidia.com>
>
> Add three counters to vnic health reporter:
> bar_uar_access, odp_local_triggered_page_fault, and
> odp_remote_triggered_page_fault.
>
> - bar_uar_access
> number of WRITE or READ access operations to the UAR on the PCIe
> BAR.
> - odp_local_triggered_page_fault
> number of locally-triggered page-faults due to ODP.
> - odp_remote_triggered_page_fault
> number of remotly-triggered page-faults due to ODP.
>
> Example access:
> $ devlink health diagnose pci/0000:08:00.0 reporter vnic
> vNIC env counters:
> total_error_queues: 0 send_queue_priority_update_flow: 0
> comp_eq_overrun: 0 async_eq_overrun: 0 cq_overrun: 0
> invalid_command: 0 quota_exceeded_command: 0
> nic_receive_steering_discard: 0 icm_consumption: 1032
> bar_uar_access: 1279 odp_local_triggered_page_fault: 20
> odp_remote_triggered_page_fault: 34
>
> Signed-off-by: Akiva Goldberger <agoldberger@nvidia.com>
> Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
> Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Simon Horman <horms@kernel.org>
...
next prev parent reply other threads:[~2025-09-26 12:50 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-25 10:45 [PATCH net-next] net/mlx5: Expose uar access and odp page fault counters Tariq Toukan
2025-09-26 12:49 ` Simon Horman [this message]
2025-09-27 16:10 ` patchwork-bot+netdevbpf
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