[Notes] [Git][BuildStream/buildstream][master] 3 commits: _profile.py: Add timestamp to the logs

[James Ennis <gitlab mg gitlab com>]

Title: GitLab

James Ennis pushed to branch master at BuildStream / buildstream

Commits:

• 63b02f7c
  by James Ennis at 2019-01-17T15:13:27Z

  _profile.py: Add timestamp to the logs
  

• f64ee46f
  by James Ennis at 2019-01-17T17:02:28Z

  _profile.py: Write binaries as well as logs
  
  Private class methods which write the logs and write the binaries
  have been added to Profile. The binaries are able to be used
  by various visualisation tools.
  

• 2cb37a7e
  by James Ennis at 2019-01-18T09:31:24Z

  Merge branch 'jennis/profiling_outputs_binaries' into 'master'
  
  Make the profiler output binaries (which can be used to visualise the data)
  
  See merge request BuildStream/buildstream!1082

1 changed file:

• buildstream/_profile.py

Changes:

buildstream/_profile.py

---

...	...	@@ -62,15 +62,24 @@ class Profile():
62	62	def end(self):
63	63	self.profiler.disable()
64	64
	65	+ dt = datetime.datetime.fromtimestamp(self.start)
	66	+ timestamp = dt.strftime('%Y%m%dT%H%M%S')
	67	+
65	68	filename = self.key.replace('/', '-')
66	69	filename = filename.replace('.', '-')
67		- filename = os.path.join(os.getcwd(), 'profile-' + filename + '.log')
	70	+ filename = os.path.join(os.getcwd(), 'profile-' + timestamp + '-' + filename)
68	71
69		- with open(filename, "a", encoding="utf-8") as f:
	72	+ time_ = dt.strftime('%Y-%m-%d %H:%M:%S') # Human friendly format
	73	+ self.__write_log(filename + '.log', time_)
	74	+
	75	+ self.__write_binary(filename + '.cprofile')
70	76
71		- dt = datetime.datetime.fromtimestamp(self.start)
72		- time_ = dt.strftime('%Y-%m-%d %H:%M:%S')
	77	+ ########################################
	78	+ # Private Methods #
	79	+ ########################################
73	80
	81	+ def __write_log(self, filename, time_):
	82	+ with open(filename, "a", encoding="utf-8") as f:
74	83	heading = '================================================================\n'
75	84	heading += 'Profile for key: {}\n'.format(self.key)
76	85	heading += 'Started at: {}\n'.format(time_)
...	...	@@ -81,6 +90,9 @@ class Profile():
81	90	ps = pstats.Stats(self.profiler, stream=f).sort_stats('cumulative')
82	91	ps.print_stats()
83	92
	93	+ def __write_binary(self, filename):
	94	+ self.profiler.dump_stats(filename)
	95	+
84	96
85	97	# profile_start()
86	98	#

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