跟踪点¶
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mlx5 驱动程序提供了内部跟踪点，用于使用内核跟踪点接口进行跟踪和调试（请参考 ftrace - 函数跟踪器）。
有关支持的 mlx5 事件列表，请查看 /sys/kernel/tracing/events/mlx5/。
tc 和 eswitch 卸载跟踪点
mlx5e_configure_flower: 跟踪 flower 过滤器操作和卸载到 mlx5 的 cookie
$ echo mlx5:mlx5e_configure_flower >> /sys/kernel/tracing/set_event $ cat /sys/kernel/tracing/trace ... tc-6535 [019] ...1 2672.404466: mlx5e_configure_flower: cookie=0000000067874a55 actions= REDIRECT
mlx5e_delete_flower: 跟踪从 mlx5 删除的 flower 过滤器操作和 cookie
$ echo mlx5:mlx5e_delete_flower >> /sys/kernel/tracing/set_event $ cat /sys/kernel/tracing/trace ... tc-6569 [010] .N.1 2686.379075: mlx5e_delete_flower: cookie=0000000067874a55 actions= NULL
mlx5e_stats_flower: 跟踪 flower 统计信息请求
$ echo mlx5:mlx5e_stats_flower >> /sys/kernel/tracing/set_event $ cat /sys/kernel/tracing/trace ... tc-6546 [010] ...1 2679.704889: mlx5e_stats_flower: cookie=0000000060eb3d6a bytes=0 packets=0 lastused=4295560217
mlx5e_tc_update_neigh_used_value: 跟踪卸载到 mlx5 的隧道规则邻居更新值
$ echo mlx5:mlx5e_tc_update_neigh_used_value >> /sys/kernel/tracing/set_event $ cat /sys/kernel/tracing/trace ... kworker/u48:4-8806 [009] ...1 55117.882428: mlx5e_tc_update_neigh_used_value: netdev: ens1f0 IPv4: 1.1.1.10 IPv6: ::ffff:1.1.1.10 neigh_used=1
mlx5e_rep_neigh_update: 跟踪由于邻居状态更改事件而计划的邻居更新任务
$ echo mlx5:mlx5e_rep_neigh_update >> /sys/kernel/tracing/set_event $ cat /sys/kernel/tracing/trace ... kworker/u48:7-2221 [009] ...1 1475.387435: mlx5e_rep_neigh_update: netdev: ens1f0 MAC: 24:8a:07:9a:17:9a IPv4: 1.1.1.10 IPv6: ::ffff:1.1.1.10 neigh_connected=1
网桥卸载跟踪点
mlx5_esw_bridge_fdb_entry_init: 跟踪卸载到 mlx5 的网桥 FDB 条目
$ echo mlx5:mlx5_esw_bridge_fdb_entry_init >> set_event $ cat /sys/kernel/tracing/trace ... kworker/u20:9-2217 [003] ...1 318.582243: mlx5_esw_bridge_fdb_entry_init: net_device=enp8s0f0_0 addr=e4:fd:05:08:00:02 vid=0 flags=0 used=0
mlx5_esw_bridge_fdb_entry_cleanup: 跟踪从 mlx5 删除的网桥 FDB 条目
$ echo mlx5:mlx5_esw_bridge_fdb_entry_cleanup >> set_event $ cat /sys/kernel/tracing/trace ... ip-2581 [005] ...1 318.629871: mlx5_esw_bridge_fdb_entry_cleanup: net_device=enp8s0f0_1 addr=e4:fd:05:08:00:03 vid=0 flags=0 used=16
mlx5_esw_bridge_fdb_entry_refresh: 跟踪在 mlx5 中刷新的网桥 FDB 条目卸载
$ echo mlx5:mlx5_esw_bridge_fdb_entry_refresh >> set_event $ cat /sys/kernel/tracing/trace ... kworker/u20:8-3849 [003] ...1 466716: mlx5_esw_bridge_fdb_entry_refresh: net_device=enp8s0f0_0 addr=e4:fd:05:08:00:02 vid=3 flags=0 used=0
mlx5_esw_bridge_vlan_create: 跟踪在 mlx5 representor 上添加的网桥 VLAN 对象
$ echo mlx5:mlx5_esw_bridge_vlan_create >> set_event $ cat /sys/kernel/tracing/trace ... ip-2560 [007] ...1 318.460258: mlx5_esw_bridge_vlan_create: vid=1 flags=6
mlx5_esw_bridge_vlan_cleanup: 跟踪从 mlx5 representor 删除的网桥 VLAN 对象
$ echo mlx5:mlx5_esw_bridge_vlan_cleanup >> set_event $ cat /sys/kernel/tracing/trace ... bridge-2582 [007] ...1 318.653496: mlx5_esw_bridge_vlan_cleanup: vid=2 flags=8
mlx5_esw_bridge_vport_init: 跟踪分配了网桥上层设备的 mlx5 vport
$ echo mlx5:mlx5_esw_bridge_vport_init >> set_event $ cat /sys/kernel/tracing/trace ... ip-2560 [007] ...1 318.458915: mlx5_esw_bridge_vport_init: vport_num=1
mlx5_esw_bridge_vport_cleanup: 跟踪从网桥上层设备中移除的 mlx5 vport
$ echo mlx5:mlx5_esw_bridge_vport_cleanup >> set_event $ cat /sys/kernel/tracing/trace ... ip-5387 [000] ...1 573713: mlx5_esw_bridge_vport_cleanup: vport_num=1
Eswitch QoS 跟踪点
mlx5_esw_vport_qos_create: 跟踪 vport 的发送调度器仲裁器的创建
$ echo mlx5:mlx5_esw_vport_qos_create >> /sys/kernel/tracing/set_event $ cat /sys/kernel/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: 跟踪 vport 的发送调度器仲裁器的配置
$ echo mlx5:mlx5_esw_vport_qos_config >> /sys/kernel/tracing/set_event $ cat /sys/kernel/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: 跟踪 vport 的发送调度器仲裁器的删除
$ echo mlx5:mlx5_esw_vport_qos_destroy >> /sys/kernel/tracing/set_event $ cat /sys/kernel/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: 跟踪速率组的发送调度器仲裁器的创建
$ echo mlx5:mlx5_esw_group_qos_create >> /sys/kernel/tracing/set_event $ cat /sys/kernel/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: 跟踪速率组的发送调度器仲裁器的配置
$ echo mlx5:mlx5_esw_group_qos_config >> /sys/kernel/tracing/set_event $ cat /sys/kernel/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: 跟踪组的发送调度器仲裁器的删除
$ echo mlx5:mlx5_esw_group_qos_destroy >> /sys/kernel/tracing/set_event $ cat /sys/kernel/tracing/trace ... <...>-27418 [006] .... 76547.187258: mlx5_esw_group_qos_destroy: (0000:82:00.0) group=000000007b576bb3 tsar_ix=1
SF 跟踪点
mlx5_sf_add: 跟踪 SF 端口的添加
$ echo mlx5:mlx5_sf_add >> /sys/kernel/tracing/set_event $ cat /sys/kernel/tracing/trace ... devlink-9363 [031] ..... 24610.188722: mlx5_sf_add: (0000:06:00.0) port_index=32768 controller=0 hw_id=0x8000 sfnum=88
mlx5_sf_free: 跟踪 SF 端口的释放
$ echo mlx5:mlx5_sf_free >> /sys/kernel/tracing/set_event $ cat /sys/kernel/tracing/trace ... devlink-9830 [038] ..... 26300.404749: mlx5_sf_free: (0000:06:00.0) port_index=32768 controller=0 hw_id=0x8000
mlx5_sf_activate: 跟踪 SF 端口的激活
$ echo mlx5:mlx5_sf_activate >> /sys/kernel/tracing/set_event $ cat /sys/kernel/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: 跟踪 SF 端口的停用
$ echo mlx5:mlx5_sf_deactivate >> /sys/kernel/tracing/set_event $ cat /sys/kernel/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: 跟踪硬件 SF 上下文的分配
$ echo mlx5:mlx5_sf_hwc_alloc >> /sys/kernel/tracing/set_event $ cat /sys/kernel/tracing/trace ... devlink-9775 [031] ..... 26296.385259: mlx5_sf_hwc_alloc: (0000:06:00.0) controller=0 hw_id=0x8000 sfnum=88
mlx5_sf_hwc_free: 跟踪硬件 SF 上下文的释放
$ echo mlx5:mlx5_sf_hwc_free >> /sys/kernel/tracing/set_event $ cat /sys/kernel/tracing/trace ... kworker/u128:3-9093 [046] ..... 24625.365771: mlx5_sf_hwc_free: (0000:06:00.0) hw_id=0x8000
mlx5_sf_hwc_deferred_free: 跟踪硬件 SF 上下文的延迟释放
$ echo mlx5:mlx5_sf_hwc_deferred_free >> /sys/kernel/tracing/set_event $ cat /sys/kernel/tracing/trace ... devlink-9519 [046] ..... 24624.400271: mlx5_sf_hwc_deferred_free: (0000:06:00.0) hw_id=0x8000
mlx5_sf_update_state: 跟踪 SF 上下文的状态更新
$ echo mlx5:mlx5_sf_update_state >> /sys/kernel/tracing/set_event $ cat /sys/kernel/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: 跟踪 SF vhca 事件和状态
$ echo mlx5:mlx5_sf_vhca_event >> /sys/kernel/tracing/set_event $ cat /sys/kernel/tracing/trace ... 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: 跟踪 SF 设备添加事件
$ echo mlx5:mlx5_sf_dev_add>> /sys/kernel/tracing/set_event $ cat /sys/kernel/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: 跟踪 SF 设备删除事件
$ echo mlx5:mlx5_sf_dev_del >> /sys/kernel/tracing/set_event $ cat /sys/kernel/tracing/trace ... kworker/u128:3-9093 [044] ..... 24624.400749: mlx5_sf_dev_del: (0000:06:00.0) sfdev=00000000fc5d96fd aux_id=4 hw_id=0x8000 sfnum=88