netdev - [net-next 08/15] net/mlx5: Document previously implemented mlx5 tracepoints

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Message-Id: <20230204100854.388126-9-saeed@kernel.org>
Date:   Sat,  4 Feb 2023 02:08:47 -0800
From:   Saeed Mahameed <saeed@...nel.org>
To:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Eric Dumazet <edumazet@...gle.com>
Cc:     Saeed Mahameed <saeedm@...dia.com>, netdev@...r.kernel.org,
        Tariq Toukan <tariqt@...dia.com>,
        Rahul Rameshbabu <rrameshbabu@...dia.com>,
        Gal Pressman <gal@...dia.com>
Subject: [net-next 08/15] net/mlx5: Document previously implemented mlx5 tracepoints

From: Rahul Rameshbabu <rrameshbabu@...dia.com>

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

Signed-off-by: Rahul Rameshbabu <rrameshbabu@...dia.com>
Reviewed-by: Gal Pressman <gal@...dia.com>
Reviewed-by: Tariq Toukan <tariqt@...dia.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
---
 .../ethernet/mellanox/mlx5/tracepoints.rst    | 27 ++++++++++++++++---
 1 file changed, 24 insertions(+), 3 deletions(-)

diff --git a/Documentation/networking/device_drivers/ethernet/mellanox/mlx5/tracepoints.rst b/Documentation/networking/device_drivers/ethernet/mellanox/mlx5/tracepoints.rst
index 04f59189e75a..a9d3e123adc4 100644
--- a/Documentation/networking/device_drivers/ethernet/mellanox/mlx5/tracepoints.rst
+++ b/Documentation/networking/device_drivers/ethernet/mellanox/mlx5/tracepoints.rst
@@ -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
-- 
2.39.1