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1What: /sys/class/net/<iface>/queues/rx-<queue>/rps_cpus2Date: March 20103KernelVersion: 2.6.354Contact: netdev@vger.kernel.org5Description:6 Mask of the CPU(s) currently enabled to participate into the7 Receive Packet Steering packet processing flow for this8 network device queue. Possible values depend on the number9 of available CPU(s) in the system.10 11What: /sys/class/net/<iface>/queues/rx-<queue>/rps_flow_cnt12Date: April 201013KernelVersion: 2.6.3514Contact: netdev@vger.kernel.org15Description:16 Number of Receive Packet Steering flows being currently17 processed by this particular network device receive queue.18 19What: /sys/class/net/<iface>/queues/tx-<queue>/tx_timeout20Date: November 201121KernelVersion: 3.322Contact: netdev@vger.kernel.org23Description:24 Indicates the number of transmit timeout events seen by this25 network interface transmit queue.26 27What: /sys/class/net/<iface>/queues/tx-<queue>/tx_maxrate28Date: March 201529KernelVersion: 4.130Contact: netdev@vger.kernel.org31Description:32 A Mbps max-rate set for the queue, a value of zero means disabled,33 default is disabled.34 35What: /sys/class/net/<iface>/queues/tx-<queue>/xps_cpus36Date: November 201037KernelVersion: 2.6.3838Contact: netdev@vger.kernel.org39Description:40 Mask of the CPU(s) currently enabled to participate into the41 Transmit Packet Steering packet processing flow for this42 network device transmit queue. Possible values depend on the43 number of available CPU(s) in the system.44 45What: /sys/class/net/<iface>/queues/tx-<queue>/xps_rxqs46Date: June 201847KernelVersion: 4.18.048Contact: netdev@vger.kernel.org49Description:50 Mask of the receive queue(s) currently enabled to participate51 into the Transmit Packet Steering packet processing flow for this52 network device transmit queue. Possible values depend on the53 number of available receive queue(s) in the network device.54 Default is disabled.55 56What: /sys/class/net/<iface>/queues/tx-<queue>/byte_queue_limits/hold_time57Date: November 201158KernelVersion: 3.359Contact: netdev@vger.kernel.org60Description:61 Indicates the hold time in milliseconds to measure the slack62 of this particular network device transmit queue.63 Default value is 1000.64 65What: /sys/class/net/<iface>/queues/tx-<queue>/byte_queue_limits/inflight66Date: November 201167KernelVersion: 3.368Contact: netdev@vger.kernel.org69Description:70 Indicates the number of bytes (objects) in flight on this71 network device transmit queue.72 73What: /sys/class/net/<iface>/queues/tx-<queue>/byte_queue_limits/limit74Date: November 201175KernelVersion: 3.376Contact: netdev@vger.kernel.org77Description:78 Indicates the current limit of bytes allowed to be queued79 on this network device transmit queue. This value is clamped80 to be within the bounds defined by limit_max and limit_min.81 82What: /sys/class/net/<iface>/queues/tx-<queue>/byte_queue_limits/limit_max83Date: November 201184KernelVersion: 3.385Contact: netdev@vger.kernel.org86Description:87 Indicates the absolute maximum limit of bytes allowed to be88 queued on this network device transmit queue. See89 include/linux/dynamic_queue_limits.h for the default value.90 91What: /sys/class/net/<iface>/queues/tx-<queue>/byte_queue_limits/limit_min92Date: November 201193KernelVersion: 3.394Contact: netdev@vger.kernel.org95Description:96 Indicates the absolute minimum limit of bytes allowed to be97 queued on this network device transmit queue. Default value is98 0.99 100What: /sys/class/net/<iface>/queues/tx-<queue>/byte_queue_limits/stall_thrs101Date: Jan 2024102KernelVersion: 6.9103Contact: netdev@vger.kernel.org104Description:105 Tx completion stall detection threshold in ms. Kernel will106 guarantee to detect all stalls longer than this threshold but107 may also detect stalls longer than half of the threshold.108 109What: /sys/class/net/<iface>/queues/tx-<queue>/byte_queue_limits/stall_cnt110Date: Jan 2024111KernelVersion: 6.9112Contact: netdev@vger.kernel.org113Description:114 Number of detected Tx completion stalls.115 116What: /sys/class/net/<iface>/queues/tx-<queue>/byte_queue_limits/stall_max117Date: Jan 2024118KernelVersion: 6.9119Contact: netdev@vger.kernel.org120Description:121 Longest detected Tx completion stall. Write 0 to clear.122