From 3202ea65f85c5488926e01aa51d73d53dfe17e6e Mon Sep 17 00:00:00 2001 From: Dmytro Linkin Date: Tue, 1 Jun 2021 13:24:00 +0300 Subject: net/mlx5: E-switch, Add QoS tracepoints Add tracepoints to log QoS enabling/disabling/configuration for vports and rate groups. Signed-off-by: Dmytro Linkin Reviewed-by: Huy Nguyen Reviewed-by: Mark Bloch Reviewed-by: Saeed Mahameed --- .../device_drivers/ethernet/mellanox/mlx5.rst | 44 ++++++++++++++++++++++ 1 file changed, 44 insertions(+) (limited to 'Documentation') diff --git a/Documentation/networking/device_drivers/ethernet/mellanox/mlx5.rst b/Documentation/networking/device_drivers/ethernet/mellanox/mlx5.rst index ef8cb62e82a1..4b59cf2c599f 100644 --- a/Documentation/networking/device_drivers/ethernet/mellanox/mlx5.rst +++ b/Documentation/networking/device_drivers/ethernet/mellanox/mlx5.rst @@ -656,3 +656,47 @@ Bridge offloads tracepoints: $ cat /sys/kernel/debug/tracing/trace ... ip-5387 [000] ...1 573713: mlx5_esw_bridge_vport_cleanup: vport_num=1 + +Eswitch QoS tracepoints: + +- mlx5_esw_vport_qos_create: trace creation of transmit scheduler arbiter for vport:: + + $ echo mlx5:mlx5_esw_vport_qos_create >> /sys/kernel/debug/tracing/set_event + $ cat /sys/kernel/debug/tracing/trace + ... + <...>-23496 [018] .... 73136.838831: mlx5_esw_vport_qos_create: (0000:82:00.0) vport=2 tsar_ix=4 bw_share=0, max_rate=0 group=000000007b576bb3 + +- mlx5_esw_vport_qos_config: trace configuration of transmit scheduler arbiter for vport:: + + $ echo mlx5:mlx5_esw_vport_qos_config >> /sys/kernel/debug/tracing/set_event + $ cat /sys/kernel/debug/tracing/trace + ... + <...>-26548 [023] .... 75754.223823: mlx5_esw_vport_qos_config: (0000:82:00.0) vport=1 tsar_ix=3 bw_share=34, max_rate=10000 group=000000007b576bb3 + +- mlx5_esw_vport_qos_destroy: trace deletion of transmit scheduler arbiter for vport:: + + $ echo mlx5:mlx5_esw_vport_qos_destroy >> /sys/kernel/debug/tracing/set_event + $ cat /sys/kernel/debug/tracing/trace + ... + <...>-27418 [004] .... 76546.680901: mlx5_esw_vport_qos_destroy: (0000:82:00.0) vport=1 tsar_ix=3 + +- mlx5_esw_group_qos_create: trace creation of transmit scheduler arbiter for rate group:: + + $ echo mlx5:mlx5_esw_group_qos_create >> /sys/kernel/debug/tracing/set_event + $ cat /sys/kernel/debug/tracing/trace + ... + <...>-26578 [008] .... 75776.022112: mlx5_esw_group_qos_create: (0000:82:00.0) group=000000008dac63ea tsar_ix=5 + +- mlx5_esw_group_qos_config: trace configuration of transmit scheduler arbiter for rate group:: + + $ echo mlx5:mlx5_esw_group_qos_config >> /sys/kernel/debug/tracing/set_event + $ cat /sys/kernel/debug/tracing/trace + ... + <...>-27303 [020] .... 76461.455356: mlx5_esw_group_qos_config: (0000:82:00.0) group=000000008dac63ea tsar_ix=5 bw_share=100 max_rate=20000 + +- mlx5_esw_group_qos_destroy: trace deletion of transmit scheduler arbiter for group:: + + $ echo mlx5:mlx5_esw_group_qos_destroy >> /sys/kernel/debug/tracing/set_event + $ cat /sys/kernel/debug/tracing/trace + ... + <...>-27418 [006] .... 76547.187258: mlx5_esw_group_qos_destroy: (0000:82:00.0) group=000000007b576bb3 tsar_ix=1 -- cgit v1.2.3