272     """dummy context manager"""

   272     """dummy context manager"""

   273     def __enter__(self):

   273     def __enter__(self):

   274         pass

   274         pass

   275     def __exit__(self, *args):

   275     def __exit__(self, *args):

   276         pass

   276         pass

   277 

   279 

   278 def gettimer(ui, opts=None):

   280 def gettimer(ui, opts=None):

   279     """return a timer function and formatter: (timer, formatter)

   281     """return a timer function and formatter: (timer, formatter)

   280 

   282 

   281     This function exists to gather the creation of formatter in a single

   283     This function exists to gather the creation of formatter in a single

   403     gc.collect()

   405     gc.collect()

   404     results = []

   406     results = []

   405     begin = util.timer()

   407     begin = util.timer()

   406     count = 0

   408     count = 0

   407     if profiler is None:

   409     if profiler is None:

   409     for i in xrange(prerun):

   411     for i in xrange(prerun):

   410         if setup is not None:

   412         if setup is not None:

   411             setup()

   413             setup()

   412         func()

   414         func()

   413     keepgoing = True

   415     keepgoing = True

   415         if setup is not None:

   417         if setup is not None:

   416             setup()

   418             setup()

   417         with profiler:

   419         with profiler:

   418             with timeone() as item:

   420             with timeone() as item:

   419                 r = func()

   421                 r = func()

   420         count += 1

   423         count += 1

   421         results.append(item[0])

   424         results.append(item[0])

   422         cstop = util.timer()

   425         cstop = util.timer()

   423         # Look for a stop condition.

   426         # Look for a stop condition.

   424         elapsed = cstop - begin

   427         elapsed = cstop - begin