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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
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