class_docstr: Profile reader to read paddle profile files, support for frontend api in lib.py.
      
class_docstr_tok: ["Profile","reader","to","read","paddle","profile","files",",","support","for","frontend","api","in","lib.py","."]
code: def get_run_manager(self, run):
      if run in self.run_managers:
          self.run_managers[run].join()
          return self.run_managers[run]
      else:
          return None
  
imports: import os
  import re
  from multiprocessing import Process
  from multiprocessing import Queue
  from threading import Lock
  from threading import Thread
  import packaging.version
  from .parser.const_description import *
  from .parser.event_node import load_profiler_json
  from .parser.event_node import ProfilerResult
  from .parser.utils import RedirectStdStreams
  from .run_manager import RunManager
  from visualdl.io import bfile
label_desc: Use image node_id 4 for calling the ProfilerReader obj's underlying member method code with example usage: obj.get_run_manager(run) and returns: self, None