2 physical CPUs, 12 cores and 48 threads
查看物理CPU个数
(venv2) LIST_2080Ti@ubuntu-SYS-7049GP-TRT:~$ cat /proc/cpuinfo| grep "physical id"| sort| uniq| wc -l
2
查看每个物理CPU的核数
(venv2) LIST_2080Ti@ubuntu-SYS-7049GP-TRT:~$ cat /proc/cpuinfo| grep "cpu cores"| uniq
cpu cores : 12
查看逻辑CPU个数（线程）
(venv2) LIST_2080Ti@ubuntu-SYS-7049GP-TRT:~$ cat /proc/cpuinfo| grep "processor"| wc -l
48
查看具体CPU数
(venv2) LIST_2080Ti@ubuntu-SYS-7049GP-TRT:~$ cat /proc/cpuinfo| grep "physical id"| sort| uniq
physical id : 0
physical id : 1
查看CPU信息
cat /proc/cpuinfo
查看内存信息
cat /proc/meminfo
查看CPU型号
(venv2) LIST_2080Ti@ubuntu-SYS-7049GP-TRT:~$ cat /proc/cpuinfo | grep name | sort | uniq
model name : Intel(R) Xeon(R) Gold 5118 CPU @ 2.30GHzOr check directly like this:
lscpu
Use the linux top command to view core usage
top - 22:31:54 up 30 days, 20:52, 3 users, load average: 4.89, 4.76, 4.74
Tasks: 910 total, 2 running, 907 sleeping, 0 stopped, 1 zombie
%Cpu(s): 9.9 us, 1.5 sy, 0.0 ni, 88.6 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
MiB Mem : 257575.3 total, 22421.6 free, 118739.3 used, 116414.3 buff/cache
MiB Swap: 2048.0 total, 2010.7 free, 37.2 used. 136199.8 avail Mem
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
3310303 LIST_20+ 20 0 55.6g 28.5g 539232 S 147.0 11.3 1114:26 python
3310418 LIST_20+ 20 0 54.1g 27.0g 540144 S 143.1 10.7 1131:21 python
3310518 LIST_20+ 20 0 52.0g 25.3g 544500 S 141.8 10.0 1131:05 python
3310011 LIST_20+ 20 0 57.6g 30.6g 541192 R 99.3 12.2 1099:30 python
3299063 LIST_20+ 20 0 12784 4768 3116 S 1.3 0.0 10:30.50 top
3321730 LIST_20+ 20 0 12680 4844 3248 R 1.0 0.0 0:00.75 top
3214837 LIST_20+ 20 0 973100 62688 33612 S 0.7 0.0 1:08.64 node
3214799 LIST_20+ 20 0 1331592 496620 36356 S 0.3 0.2 8:50.24 node
3219854 LIST_20+ 20 0 11.3g 573292 39928 S 0.3 0.2 6:55.66 node
3292017 root 20 0 0 0 0 I 0.3 0.0 0:18.21 kworker/22:1-events
3317425 root 20 0 0 0 0 I 0.3 0.0 0:04.74 kworker/15:1-events
3318410 root 20 0 0 0 0 I 0.3 0.0 0:01.62 kworker/14:1-events
3320904 root 20 0 0 0 0 I 0.3 0.0 0:00.21 kworker/u96:2-poll_megasas0_status
1 root 20 0 169796 13084 8296 S 0.0 0.0 2:21.74 systemd
2 root 20 0 0 0 0 S 0.0 0.0 0:01.22 kthreadd
3 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 rcu_gp
4 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 rcu_par_gp
5 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 slub_flushwq
6 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 netns
8 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 kworker/0:0H-events_highpri The meaning of the parameters in the first paragraph of top is as follows:
List Field Meaning
More explanation: Detailed explanation of Linux top command: Continuously monitor the running status of the process
reference:
How does Linux check the number of CPU cores? -Linux operation and maintenance-PHP Chinese Network