可以显示所有的线程
top -Hp pid
[root@jiangyi01.sqa.zmf /home/ahao.mah]
#top -Hp 41330
top - 22:49:40 up 27 days, 1:28, 3 users, load average: 1.04, 1.04, 1.02
Threads: 13 total, 0 running, 13 sleeping, 0 stopped, 0 zombie
%Cpu(s): 1.5 us, 2.9 sy, 0.0 ni, 95.5 id, 0.1 wa, 0.0 hi, 0.0 si, 0.0 st
KiB Mem : 98794984 total, 79462560 free, 2018012 used, 17314416 buff/cache
KiB Swap: 0 total, 0 free, 0 used. 82800656 avail Mem
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
41330 root 20 0 598280 24044 10968 S 0.0 0.0 0:00.15 docker
41333 root 20 0 598280 24044 10968 S 0.0 0.0 0:04.02 docker
41334 root 20 0 598280 24044 10968 S 0.0 0.0 0:00.00 docker
41335 root 20 0 598280 24044 10968 S 0.0 0.0 0:08.33 docker
41336 root 20 0 598280 24044 10968 S 0.0 0.0 0:00.04 docker
41337 root 20 0 598280 24044 10968 S 0.0 0.0 0:08.19 docker
41342 root 20 0 598280 24044 10968 S 0.0 0.0 0:00.04 docker
41343 root 20 0 598280 24044 10968 S 0.0 0.0 0:08.24 docker
41526 root 20 0 598280 24044 10968 S 0.0 0.0 0:00.09 docker
44452 root 20 0 598280 24044 10968 S 0.0 0.0 0:07.94 docker
44580 root 20 0 598280 24044 10968 S 0.0 0.0 0:08.28 docker
44612 root 20 0 598280 24044 10968 S 0.0 0.0 0:04.22 docker
87188 root 20 0 598280 24044 10968 S 0.0 0.0 0:03.95 docker
VIRT 表示 Virtual Memory 虚拟内存
RES 表示 Resident Memory 驻留内存
SHR 表示 shared memory 共享内存
RES 表示 进程占用的 物理内存数，实际使用数，而非申请的内存数