]> Gentwo Git Trees - linux/.git/commit
net/mlx5: Expose uar access and odp page fault counters
authorAkiva Goldberger <agoldberger@nvidia.com>
Thu, 25 Sep 2025 10:45:30 +0000 (13:45 +0300)
committerJakub Kicinski <kuba@kernel.org>
Sat, 27 Sep 2025 15:53:50 +0000 (08:53 -0700)
commite835faaed2f80ee8652f59a54703edceab04f0d9
tree829c4b002fe81fab579a105cf0fe365947c9a36e
parent1493c18fe8696bfc758a97130a485fc4e08387f5
net/mlx5: Expose uar access and odp page fault counters

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>
Link: https://patch.msgid.link/1758797130-829564-1-git-send-email-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Documentation/networking/devlink/mlx5.rst
drivers/net/ethernet/mellanox/mlx5/core/diag/reporter_vnic.c