class_docstr: server protocol. Methods from classes that subclass Server can be called
  transparently from a client
class_docstr_tok: ["server","protocol",".","Methods","from","classes","that","subclass","Server","can","be","called","transparently","from","a","client"]
code: def get_ps_stats(self):
      ret = ""
      f = os.popen(
          "echo ============ `hostname` uptime:; uptime;"
          + "echo ============ self:; "
          + "ps -p %d -o pid,vsize,rss,%%cpu,nlwp,psr; " % os.getpid()
          + "echo ============ run queue:;"
          + "ps ar -o user,pid,%cpu,%mem,ni,nlwp,psr,vsz,rss,cputime,command"
      )
      for l in f:
          ret += l
      return ret
  
imports: import os
  import pickle
  import sys
  import _thread
  import traceback
  import socket
  import logging
label_desc: Use image node_id 6 for calling the Server obj's underlying member method code with example usage: obj.get_ps_stats() and returns: ret