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net/mlx5: Document previously implemented mlx5 tracepoints

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Tracepoints were previously implemented but not documented till this patch
series.

Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit is contained in:
Rahul Rameshbabu 2022-10-15 22:29:21 -07:00 committed by Saeed Mahameed
parent a12ba19269
commit e12ebbf0cc
1 changed files with 24 additions and 3 deletions
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27
Documentation/networking/device_drivers/ethernet/mellanox/mlx5/tracepoints.rst
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@ -165,6 +165,20 @@ SF tracepoints:
...
devlink-9830 [038] ..... 26300.404749: mlx5_sf_free: (0000:06:00.0) port_index=32768 controller=0 hw_id=0x8000
- mlx5_sf_activate: trace activation of the SF port::
$ echo mlx5:mlx5_sf_activate >> /sys/kernel/debug/tracing/set_event
$ cat /sys/kernel/debug/tracing/trace
...
devlink-29841 [008] ..... 3669.635095: mlx5_sf_activate: (0000:08:00.0) port_index=32768 controller=0 hw_id=0x8000
- mlx5_sf_deactivate: trace deactivation of the SF port::
$ echo mlx5:mlx5_sf_deactivate >> /sys/kernel/debug/tracing/set_event
$ cat /sys/kernel/debug/tracing/trace
...
devlink-29994 [008] ..... 4015.969467: mlx5_sf_deactivate: (0000:08:00.0) port_index=32768 controller=0 hw_id=0x8000
- mlx5_sf_hwc_alloc: trace allocating of the hardware SF context::
$ echo mlx5:mlx5_sf_hwc_alloc >> /sys/kernel/debug/tracing/set_event
@ -179,13 +193,20 @@ SF tracepoints:
...
kworker/u128:3-9093 [046] ..... 24625.365771: mlx5_sf_hwc_free: (0000:06:00.0) hw_id=0x8000
- mlx5_sf_hwc_deferred_free : trace deferred freeing of the hardware SF context::
- mlx5_sf_hwc_deferred_free: trace deferred freeing of the hardware SF context::
$ echo mlx5:mlx5_sf_hwc_deferred_free >> /sys/kernel/debug/tracing/set_event
$ cat /sys/kernel/debug/tracing/trace
...
devlink-9519 [046] ..... 24624.400271: mlx5_sf_hwc_deferred_free: (0000:06:00.0) hw_id=0x8000
- mlx5_sf_update_state: trace state updates for SF contexts::
$ echo mlx5:mlx5_sf_update_state >> /sys/kernel/debug/tracing/set_event
$ cat /sys/kernel/debug/tracing/trace
...
kworker/u20:3-29490 [009] ..... 4141.453530: mlx5_sf_update_state: (0000:08:00.0) port_index=32768 controller=0 hw_id=0x8000 state=2
- mlx5_sf_vhca_event: trace SF vhca event and state::
$ echo mlx5:mlx5_sf_vhca_event >> /sys/kernel/debug/tracing/set_event
@ -193,14 +214,14 @@ SF tracepoints:
...
kworker/u128:3-9093 [046] ..... 24625.365525: mlx5_sf_vhca_event: (0000:06:00.0) hw_id=0x8000 sfnum=88 vhca_state=1
- mlx5_sf_dev_add : trace SF device add event::
- mlx5_sf_dev_add: trace SF device add event::
$ echo mlx5:mlx5_sf_dev_add>> /sys/kernel/debug/tracing/set_event
$ cat /sys/kernel/debug/tracing/trace
...
kworker/u128:3-9093 [000] ..... 24616.524495: mlx5_sf_dev_add: (0000:06:00.0) sfdev=00000000fc5d96fd aux_id=4 hw_id=0x8000 sfnum=88
- mlx5_sf_dev_del : trace SF device delete event::
- mlx5_sf_dev_del: trace SF device delete event::
$ echo mlx5:mlx5_sf_dev_del >> /sys/kernel/debug/tracing/set_event
$ cat /sys/kernel/debug/tracing/trace