$ ip address
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: enp0s31f6: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel state DOWN group default qlen 1000
link/ether 98:fa:9b:2c:ba:fd brd ff:ff:ff:ff:ff:ff
3: wlp3s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
link/ether 84:fd:d1:8e:b6:4c brd ff:ff:ff:ff:ff:ff
inet 192.168.0.120/24 brd 192.168.0.255 scope global dynamic noprefixroute wlp3s0
valid_lft 4376sec preferred_lft 4376sec
inet6 fe80::ee8:c6d6:d9a5:cffc/64 scope link noprefixroute
valid_lft forever preferred_lft forever
powertop
The battery reports a discharge rate of 6.15 W
The energy consumed was 126 J
The estimated remaining time is 2 hours, 53 minutes
Summary: 981.3 wakeups/second, 0.0 GPU ops/seconds, 0.0 VFS ops/sec and 71.4% CPU use
Power est. Usage Events/s Category Description
2.89 W 0.0 pkts/s Device Network interface: enp0s31f6 (e1000e)
2.18 W 10.6% Device Display backlight
368 mW 2.0 pkts/s Device Network interface: wlp3s0 (iwlwifi)
118 mW 212.6 ms/s 37.8 kWork intel_atomic_commit_work
48.0 mW 86.5 ms/s 1.0 Process [PID 5241] /usr/lib/firefox/firefox
41.8 mW 75.4 ms/s 0.9 Process [PID 1436248] /usr/lib/firefox/firefox
19.0 mW 34.1 ms/s 0.9 Process [PID 5322] /usr/lib/firefox/firefox
16.9 mW 30.5 ms/s 0.6 Process [PID 5324] /usr/lib/firefox/firefox
13.4 mW 19.0 ms/s 0.7 Process [PID 1736] picom -b
7.83 mW 12.5 ms/s 5.6 Process [PID 1453] /usr/lib/Xorg :0 -seat seat
7.57 mW 13.6 ms/s 3.4 Process [PID 5193] /usr/lib/firefox/firefox
6.51 mW 11.7 ms/s 0.25 Process [PID 5321] /usr/lib/firefox/firefox
5.84 mW 10.4 ms/s 0.7 Process [PID 1849] /usr/lib/xfce4/panel/wrappe
5.43 mW 9.8 ms/s 1.4 Process [PID 5254] /usr/lib/firefox/firefox
4.93 mW 8.9 ms/s 18.9 Interrupt [9] acpi
4.73 mW 8.5 ms/s 341.4 Timer tick_sched_timer
4.46 mW 8.0 ms/s 0.6 Interrupt [7] sched(softirq)
4.15 mW 7.5 ms/s 1.0 Process [PID 5119] /usr/lib/firefox/firefox
3.57 mW 6.4 ms/s 0.3 Process [PID 5145] /usr/lib/firefox/firefox
3.22 mW 3.3 ms/s 0.5 Process [PID 5226] /usr/lib/firefox/firefox
2.25 mW 4.1 ms/s 0.00 Process [PID 1429341] [kworker/0:1]
1.80 mW 3.3 ms/s 0.15 kWork wb_workfn
1.78 mW 3.2 ms/s 3.3 Interrupt [9] RCU(softirq)
1.67 mW 3.0 ms/s 0.25 Process [PID 506] /usr/bin/python /usr/bin/aut
1.52 mW 2.7 ms/s 23.4 Interrupt [158] i915
1.39 mW 2.5 ms/s 0.25 Process [PID 1845] /usr/lib/xfce4/panel/wrappe
1.37 mW 2.5 ms/s 0.20 Process [PID 1842] /usr/lib/xfce4/panel/wrappe
1.28 mW 2.3 ms/s 0.5 Process [PID 5154] /usr/lib/firefox/firefox
1.24 mW 2.2 ms/s 15.3 Interrupt [0] HI_SOFTIRQ
1.23 mW 351.8 us/s 0.5 Process [PID 1442099] awk
1.23 mW 2.2 ms/s 349.4 kWork dbs_work_handler
答案1
正如@jordanm 提到的，它是一个以太网端口。
以下是端口的命名约定：
enp4s10f1 pci 0000:04:0a.1
| | | | | | | |
| | | | domain <- 0000 | | |
| | | | | | |
en| | | --> ethernet | | |
| | | | | |
p4| | --> prefix/bus number (4) <-- 04 | |
| | | |
s10| --> slot/device number (10) <-- 10 |
| |
f1 --> function number (1) <-- 1
您正在经历我们在网络世界中所说的“禁用”或“停用”端口。正如您在此处所看到的state DOWN，该端口在物理上仍然可用并正在消耗电量，但在软件级别被禁止传递流量。不幸的是，在 Linux 中，完全关闭端口的唯一方法是删除该端口的驱动程序。在这种情况下，未使用的端口消耗的电量非常小，因此不值得您花时间尝试完全关闭其电源。