Analysis command for high usage of CentOS process resources

1. view the thread of the process: ps-eLf | egrep & #39; gateserver | UID & #39; 2. trace thread call: strace-p155303, statistical thread function call small CPU time: strace-p16334-cstrace-p15530-oout.file # output to out. file 4. only rec 1 is displayed. view the thread of the process:
Ps-eLf | egrep 'gateserver | uid'

2. trace thread call:
Strace-p 15530

3. count the CPU time for function calls in the thread:
Struts-p 16334-c
Strace-p 15530-o out. file # output to the out. file

4. only display the call of the recv function:
Strace-p 5314-f-F-e recv

5. gdb debugging thread:
Gdb-p pid

6. view the file descriptor opened by the thread:

Lsof-p pid

Ps: http://www.aiezu.com/code/strace_lsof_ps_gdb.html