[test1280@localhost ~]$ pidstat -t -p 11029
Linux 2.6.32-642.el6.x86_64 (localhost.localdomain) 	02/27/2019 	_x86_64_	(4 CPU)

11:20:39 AM      TGID       TID    %usr %system  %guest    %CPU   CPU  Command
11:20:39 AM     11029         -    0.00    0.00    0.00    0.00     1  main
11:20:39 AM         -     11029    0.00    0.00    0.00    0.00     1  |__main
11:20:39 AM         -     11030    0.00    0.00    0.00    0.00     1  |__main
11:20:39 AM         -     11031    0.00    0.00    0.00    0.00     0  |__main
11:20:39 AM         -     11032    0.00    0.00    0.00    0.00     3  |__main