linux 进程、线程-凯发app官方网站

查看进程对应的线程
ps -lf 5629
得到进程的pid：
ps -ef | grep process_name | grep -v "grep" | awk '{print $2}'
查看进程的所有线程
# ps mp 6648 -o thread,tid
user %cpu pri scnt wchan user system tid
root 0.0 - - - - - -
root 0.0 24 - - - - 6648
root 0.0 21 - - - - 6650
root 1.0 24 - - - - 14214
root 0.0 23 - futex_ - - 14216
root 0.0 22 - 184466 - - 15374
root 0.0 23 - 184466 - - 15376
root 0.0 23 - 184466 - - 15378
root 0.0 23 - 184466 - - 15380
root 0.0 23 - 184466 - - 15392
root 0.0 23 - 184466 - - 15394
root 0.0 23 - 184466 - - 15398
查看所有子进程：
# pstree -p 6648
agent_executor(6648)─┬─tar(15601)───gzip(15607)
├─{agent_executor}(6650)
├─{agent_executor}(14214)
├─{agent_executor}(14216)
├─{agent_executor}(15374)
├─{agent_executor}(15376)
├─{agent_executor}(15378)
├─{agent_executor}(15380)
├─{agent_executor}(15392)
├─{agent_executor}(15394)
└─{agent_executor}(15398)
 
查看/proc/pid/status可以看到一些进程的当前状态：
name: bash
state: s (sleeping)
sleepavg: 98%
tgid: 11237
pid: 11237
ppid: 11235
tracerpid: 0
uid: 0 0 0 0
gid: 0 0 0 0
fdsize: 256
groups: 0 1 2 3 4 6 10 
vmpeak: 66260 kb
vmsize: 66228 kb
vmlck: 0 kb
vmhwm: 1684 kb
vmrss: 1684 kb
vmdata: 456 kb
vmstk: 88 kb
vmexe: 712 kb
vmlib: 1508 kb
vmpte: 68 kb
stabrk: 008c3000 kb
brk: 011b1000 kb
stastk: 7fff8b728170 kb
threads: 1
sigq: 1/30222
sigpnd: 0000000000000000
shdpnd: 0000000000000000
sigblk: 0000000000010000
sigign: 0000000000384004
sigcgt: 000000004b813efb
capinh: 0000000000000000
capprm: 00000000fffffeff
capeff: 00000000fffffeff
cpus_allowed: 00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000003
mems_allowed: 1