def test_iter_no_intersection_end(self):
specs = [bt2.ComponentSpec('ctf', 'fs', _3EVENTS_INTERSECT_TRACE_PATH)]
notif_iter = bt2.TraceCollectionNotificationIterator(
specs,
notification_types=[bt2.EventNotification],
end=13515309.000000075)
self.assertEqual(len(list(notif_iter)), 5)
def test_iter_intersection_subscribe(self):
specs = [bt2.ComponentSpec('ctf', 'fs', _3EVENTS_INTERSECT_TRACE_PATH)]
notif_iter = bt2.TraceCollectionNotificationIterator(
specs,
stream_intersection_mode=True,
notification_types=[bt2.EventNotification])
self.assertEqual(len(list(notif_iter)), 3)
def test_iter_intersection_no_path_param(self):
specs = [bt2.ComponentSpec('text', 'dmesg', {'read-from-stdin': True})]
with self.assertRaises(bt2.Error):
notif_iter = bt2.TraceCollectionNotificationIterator(
specs,
stream_intersection_mode=True,
notification_types=[bt2.EventNotification])
def test_iter_custom_filter(self):
src_spec = bt2.ComponentSpec('ctf', 'fs',
_3EVENTS_INTERSECT_TRACE_PATH)
flt_spec = bt2.ComponentSpec('utils', 'trimmer', {
'end': 13515309000000075,
})
notif_iter = bt2.TraceCollectionNotificationIterator(
src_spec, flt_spec, notification_types=[bt2.EventNotification])
self.assertEqual(len(list(notif_iter)), 5)
def _get_trace_notifs(self):
del self._cc
del self._sc
del self._ec
del self._stream
del self._writer
specs = [bt2.ComponentSpec('ctf', 'fs', self._trace_path)]
notif_iter = bt2.TraceCollectionNotificationIterator(specs)
return list(notif_iter)
def _get_event_declarations(self):
notif_iter = bt2.TraceCollectionNotificationIterator(
[bt2.ComponentSpec('ctf', 'fs', self._path)])
# raises if the trace contains no streams
first_notif = next(notif_iter)
assert (type(first_notif) is bt2.StreamBeginningNotification)
trace = first_notif.stream.stream_class.trace
ec_iters = [sc.values() for sc in trace.values()]
return map(reader_event_declaration._create_event_declaration,
itertools.chain(*ec_iters))
def test_debug_info(self):
debug_info_data_dir = os.environ['DEBUG_INFO_DATA_DIR']
trace_path = os.path.join(debug_info_data_dir, 'trace')
target_prefix = os.path.join(debug_info_data_dir, '..', '..')
src = bt2.ComponentSpec('ctf', 'fs', trace_path)
flt = bt2.ComponentSpec('lttng-utils', 'debug-info', {
'target-prefix': target_prefix,
})
it = bt2.TraceCollectionNotificationIterator(src, flt,
[bt2.EventNotification])
notifs = list(it)
debug_info = notifs[2].event['debug_info']
self.assertEqual(debug_info['bin'], 'libhello_so+0x14d4')
self.assertEqual(debug_info['func'], 'foo+0xa9')
self.assertEqual(debug_info['src'], 'libhello.c:7')
debug_info = notifs[3].event['debug_info']
self.assertEqual(debug_info['bin'], 'libhello_so+0x15a6')
self.assertEqual(debug_info['func'], 'bar+0xa9')
self.assertEqual(debug_info['src'], 'libhello.c:13')
def test_iter_specs_not_list(self):
spec = bt2.ComponentSpec('ctf', 'fs', _3EVENTS_INTERSECT_TRACE_PATH)
notif_iter = bt2.TraceCollectionNotificationIterator(
spec, notification_types=[bt2.EventNotification])
self.assertEqual(len(list(notif_iter)), 8)
def test_iter_no_intersection(self):
specs = [bt2.ComponentSpec('ctf', 'fs', _3EVENTS_INTERSECT_TRACE_PATH)]
notif_iter = bt2.TraceCollectionNotificationIterator(specs)
self.assertEqual(len(list(notif_iter)), 28)
def test_create_end_datetime(self):
specs = [bt2.ComponentSpec('ctf', 'fs', _3EVENTS_INTERSECT_TRACE_PATH)]
notif_iter = bt2.TraceCollectionNotificationIterator(
specs, end=datetime.datetime.now())
def test_create_begin_s(self):
specs = [bt2.ComponentSpec('ctf', 'fs', _3EVENTS_INTERSECT_TRACE_PATH)]
notif_iter = bt2.TraceCollectionNotificationIterator(
specs, begin=19457.918232)
def test_create_no_such_plugin(self):
specs = [bt2.ComponentSpec('77', '101', _3EVENTS_INTERSECT_TRACE_PATH)]
with self.assertRaises(bt2.Error):
notif_iter = bt2.TraceCollectionNotificationIterator(specs)
def test_create_wrong_end_type(self):
specs = [bt2.ComponentSpec('ctf', 'fs', _3EVENTS_INTERSECT_TRACE_PATH)]
with self.assertRaises(TypeError):
notif_iter = bt2.TraceCollectionNotificationIterator(specs,
begin='lel')