CentOS process resources occupy plateau cause analysis and command detailed explanation

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1. View the thread of the process:

Ps-eLf | egrep 'gateserver | UID'

2. Trace thread calls:

Strace-p 15530

3. Count the trumpet CPU time of function calls in the thread:

Strace-p 16334-c

Strace-p 15530-o out.file # Export to out.file file

4. Only the calls to the recv function are displayed:

Strace-p 5314-f-F-e recv

5. Gdb debug thread:

Gdb-p pid

6. View the file descriptor opened by the thread:

Lsof-p pid

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