class_docstr: Time an individual call, but also output all the enter/exit calls.
class_docstr_tok: ["Time","an","individual","call",",","but","also","output","all","the","enter\/exit","calls","."]
code: def _log(self, s):
      print(s, file=sys.stderr)
  
imports: import collections
  import functools
  import math
  import os
  import sys
  import threading
  import time
label_desc: Use image node_id 3 for calling the TracingStopWatchContext obj's underlying member method code with example usage: obj._log(s) without return types