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