def _compute_speedscope(self):
for execution in self:
sp = Speedscope(init_stack_trace=json.loads(execution.init_stack_trace))
if execution.sql:
sp.add('sql', json.loads(execution.sql))
if execution.traces_async:
sp.add('frames', json.loads(execution.traces_async))
if execution.traces_sync:
sp.add('settrace', json.loads(execution.traces_sync))
result = json.dumps(sp.add_default().make())
execution.speedscope = base64.b64encode(result.encode('utf-8'))
def test_end_priority(self):
"""
If a sample as a time (usually a query) we expect to keep the complete frame
even if another concurent frame tics before the end of the current one:
frame duration should always be more reliable.
"""
async_profile = self.example_profile()['result']
sql_profile = self.example_profile()['result']
# make sql_profile a single frame from 2.5 to 5.5
sql_profile = [sql_profile[1]]
sql_profile[0]['start'] = 2.5
sql_profile[0]['time'] = 3
sql_profile[0]['query'] = 'SELECT 1'
sql_profile[0]['full_query'] = 'SELECT 1'
# some check to ensure the take makes sence
self.assertEqual(async_profile[1]['start'], 3)
self.assertEqual(async_profile[2]['start'], 4)
self.assertNotIn('query', async_profile[1]['stack'])
self.assertNotIn('time', async_profile[1]['stack'])
self.assertEqual(async_profile[1]['stack'], async_profile[2]['stack'])
# this last assertion is not really useful but ensures that the samples
# are consistent with the sql one, just missing tue query
sp = Speedscope(init_stack_trace=[])
sp.add('sql', async_profile)
sp.add('traces', sql_profile)
sp.add_output(['sql', 'traces'], complete=False)
res = sp.make()
profile_combined = res['profiles'][0]
events = [(e['at'] + 2, e['type'],
res['shared']['frames'][e['frame']]['name'])
for e in profile_combined['events']]
self.assertEqual(
events,
[
# pylint: disable=bad-continuation
(2.0, 'O', 'main'),
(2.0, 'O', 'do_stuff1'),
(2.5, 'O', 'execute'),
(2.5, 'O', "sql('SELECT 1')"),
(
5.5, 'C', "sql('SELECT 1')"
), # select ends at 5.5 as expected despite another concurent frame at 3 and 4
(5.5, 'C', 'execute'),
(6.0, 'O', 'check'),
(10.0, 'C', 'check'),
(10.35, 'C', 'do_stuff1'),
(10.35, 'C', 'main'),
])
def test_converts_profile_simple(self):
profile = self.example_profile()
sp = Speedscope(init_stack_trace=profile['init_stack_trace'])
sp.add('profile', profile['result'])
sp.add_output(['profile'], complete=False)
res = sp.make()
frames = res['shared']['frames']
self.assertEqual(len(frames), 4)
profile_combined = res['profiles'][0]
events = [(e['type'], e['frame']) for e in profile_combined['events']]
self.assertEqual(
events,
[
('O', 0), # /main
('O', 1), # /main/do_stuff1
('O', 2), # /main/do_stuff1/execute
('C', 2), # /main/do_stuff1
('O', 3), # /main/do_stuff1/check
('C', 3), # /main/do_stuff1
('C', 1), # /main
('C', 0), # /
])
self.assertEqual(profile_combined['events'][0]['at'], 0.0)
self.assertEqual(profile_combined['events'][-1]['at'], 8.35)
def test_converts_context(self):
stack = [
['file.py', 10, 'level1', 'level1'],
['file.py', 11, 'level2', 'level2'],
]
profile = {
'init_stack_trace': [['file.py', 1, 'level0', 'level0)']],
'result': [{ # init frame
'start': 2.0,
'exec_context': ((2, {'a': '1'}), (3, {'b': '1'})),
'stack': list(stack),
}, {
'start': 3.0,
'exec_context': ((2, {'a': '1'}), (3, {'b': '2'})),
'stack': list(stack),
}, { # final frame
'start': 10.35,
'exec_context': (),
'stack': None,
}],
}
sp = Speedscope(init_stack_trace=profile['init_stack_trace'])
sp.add('profile', profile['result'])
sp.add_output(['profile'], complete=True)
res = sp.make()
events = [(e['type'], res['shared']['frames'][e['frame']]['name'])
for e in res['profiles'][0]['events']]
self.assertEqual(
events,
[
# pylint: disable=bad-continuation
('O', 'level0'),
('O', 'a=1'),
('O', 'level1'),
('O', 'b=1'),
('O', 'level2'),
('C', 'level2'),
('C', 'b=1'),
('O', 'b=2'),
('O', 'level2'),
('C', 'level2'),
('C', 'b=2'),
('C', 'level1'),
('C', 'a=1'),
('C', 'level0'),
])
def test_convert_empty(self):
Speedscope().make()