1 What: /sys/class/net/<iface>/queues/rx-<queue>/rps_cpus 2 Date: March 2010 3 KernelVersion: 2.6.35 4 Contact: netdev@vger.kernel.org 5 Description: 6 Mask of the CPU(s) currently enabled to participate into the 7 Receive Packet Steering packet processing flow for this 8 network device queue. Possible values depend on the number 9 of available CPU(s) in the system. 10 11 What: /sys/class/net/<iface>/queues/rx-<queue>/rps_flow_cnt 12 Date: April 2010 13 KernelVersion: 2.6.35 14 Contact: netdev@vger.kernel.org 15 Description: 16 Number of Receive Packet Steering flows being currently 17 processed by this particular network device receive queue. 18 19 What: /sys/class/net/<iface>/queues/tx-<queue>/tx_timeout 20 Date: November 2011 21 KernelVersion: 3.3 22 Contact: netdev@vger.kernel.org 23 Description: 24 Indicates the number of transmit timeout events seen by this 25 network interface transmit queue. 26 27 What: /sys/class/net/<iface>/queues/tx-<queue>/tx_maxrate 28 Date: March 2015 29 KernelVersion: 4.1 30 Contact: netdev@vger.kernel.org 31 Description: 32 A Mbps max-rate set for the queue, a value of zero means disabled, 33 default is disabled. 34 35 What: /sys/class/net/<iface>/queues/tx-<queue>/xps_cpus 36 Date: November 2010 37 KernelVersion: 2.6.38 38 Contact: netdev@vger.kernel.org 39 Description: 40 Mask of the CPU(s) currently enabled to participate into the 41 Transmit Packet Steering packet processing flow for this 42 network device transmit queue. Possible values depend on the 43 number of available CPU(s) in the system. 44 45 What: /sys/class/net/<iface>/queues/tx-<queue>/xps_rxqs 46 Date: June 2018 47 KernelVersion: 4.18.0 48 Contact: netdev@vger.kernel.org 49 Description: 50 Mask of the receive queue(s) currently enabled to participate 51 into the Transmit Packet Steering packet processing flow for this 52 network device transmit queue. Possible values depend on the 53 number of available receive queue(s) in the network device. 54 Default is disabled. 55 56 What: /sys/class/net/<iface>/queues/tx-<queue>/byte_queue_limits/hold_time 57 Date: November 2011 58 KernelVersion: 3.3 59 Contact: netdev@vger.kernel.org 60 Description: 61 Indicates the hold time in milliseconds to measure the slack 62 of this particular network device transmit queue. 63 Default value is 1000. 64 65 What: /sys/class/net/<iface>/queues/tx-<queue>/byte_queue_limits/inflight 66 Date: November 2011 67 KernelVersion: 3.3 68 Contact: netdev@vger.kernel.org 69 Description: 70 Indicates the number of bytes (objects) in flight on this 71 network device transmit queue. 72 73 What: /sys/class/net/<iface>/queues/tx-<queue>/byte_queue_limits/limit 74 Date: November 2011 75 KernelVersion: 3.3 76 Contact: netdev@vger.kernel.org 77 Description: 78 Indicates the current limit of bytes allowed to be queued 79 on this network device transmit queue. This value is clamped 80 to be within the bounds defined by limit_max and limit_min. 81 82 What: /sys/class/net/<iface>/queues/tx-<queue>/byte_queue_limits/limit_max 83 Date: November 2011 84 KernelVersion: 3.3 85 Contact: netdev@vger.kernel.org 86 Description: 87 Indicates the absolute maximum limit of bytes allowed to be 88 queued on this network device transmit queue. See 89 include/linux/dynamic_queue_limits.h for the default value. 90 91 What: /sys/class/net/<iface>/queues/tx-<queue>/byte_queue_limits/limit_min 92 Date: November 2011 93 KernelVersion: 3.3 94 Contact: netdev@vger.kernel.org 95 Description: 96 Indicates the absolute minimum limit of bytes allowed to be 97 queued on this network device transmit queue. Default value is 98 0. 99 100 What: /sys/class/net/<iface>/queues/tx-<queue>/byte_queue_limits/stall_thrs 101 Date: Jan 2024 102 KernelVersion: 6.9 103 Contact: netdev@vger.kernel.org 104 Description: 105 Tx completion stall detection threshold in ms. Kernel will 106 guarantee to detect all stalls longer than this threshold but 107 may also detect stalls longer than half of the threshold. 108 109 What: /sys/class/net/<iface>/queues/tx-<queue>/byte_queue_limits/stall_cnt 110 Date: Jan 2024 111 KernelVersion: 6.9 112 Contact: netdev@vger.kernel.org 113 Description: 114 Number of detected Tx completion stalls. 115 116 What: /sys/class/net/<iface>/queues/tx-<queue>/byte_queue_limits/stall_max 117 Date: Jan 2024 118 KernelVersion: 6.9 119 Contact: netdev@vger.kernel.org 120 Description: 121 Longest detected Tx completion stall. Write 0 to clear.
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