def test_new_reference(self):
tracemalloc.clear_traces()
# gc.collect() indirectly calls PyList_ClearFreeList()
support.gc_collect()
# Create a list and "destroy it": put it in the PyListObject free list
obj = []
obj = None
# Create a list which should reuse the previously created empty list
obj = []
nframe = tracemalloc.get_traceback_limit()
frames = get_frames(nframe, -3)
obj_traceback = tracemalloc.Traceback(frames, min(len(frames), nframe))
traceback = tracemalloc.get_object_traceback(obj)
self.assertIsNotNone(traceback)
self.assertEqual(traceback, obj_traceback)
def display(self, count=10, group_by="line", cumulative=False, file=None,
callback=None):
if group_by == 'address':
traces = True
elif cumulative:
traces = (tracemalloc.get_traceback_limit() > 1)
else:
traces = False
snapshot = tracemalloc.Snapshot.create(traces=traces)
if self.metrics:
add_metrics(snapshot)
if callback is not None:
callback(snapshot)
self.display_snapshot(snapshot,
count=count,
group_by=group_by,
cumulative=cumulative,
file=file)
return snapshot
def allocate_bytes(size):
nframe = tracemalloc.get_traceback_limit()
bytes_len = (size - EMPTY_STRING_SIZE)
frames = get_frames(nframe, 1)
data = b'x' * bytes_len
return data, tracemalloc.Traceback(frames)
def update_event(self, inp=-1):
self.set_output_val(0, tracemalloc.get_traceback_limit())
def allocate_bytes(size):
nframe = tracemalloc.get_traceback_limit()
bytes_len = (size - EMPTY_STRING_SIZE)
frames = get_frames(nframe, 1)
data = b'x' * bytes_len
return data, tracemalloc.Traceback(frames)
)
elif incomplete:
print('\n'.join(tracemalloc.Traceback(incomplete[0]).format()))
print(' ...')
else:
print('no traceback found')
# abbreviations
do_q = do_quit
do_l = do_list
do_n = do_next
do_p = do_print
do_tb = do_traceback
if __name__ == '__main__':
if not tracemalloc.is_tracing():
sys.exit('specify tracing depth using -X tracemalloc=N')
del sys.argv[0]
path = sys.argv[0]
with open(path, 'r') as f:
src = f.read()
code = compile(src, path, 'exec')
gc.set_debug(gc.DEBUG_SAVEALL)
print('executing {} tracing at depth {}'.format(
path, tracemalloc.get_traceback_limit()))
try:
exec(code)
finally:
explore_cycles()
fname = 'E:/var/log/ulex/interface_18010.log'
with open(fname) as words:
words = list(words)
for Word in words:
prefix = Word[:30]
counts[prefix] += 1
#print('Top prefixes:', counts.most_common(30))
#snapshot = tracemalloc.take_snapshot()
#display_top(snapshot)
time2 = tracemalloc.take_snapshot().filter_traces((
tracemalloc.Filter(False, "<frozen importlib._bootstrap>"),
tracemalloc.Filter(False, "<frozen importlib._bootstrap_external>"),
tracemalloc.Filter(False, "<unknown>"),
))
stats = time2.compare_to(time1, 'filename')
print(tracemalloc.get_traced_memory())
print(tracemalloc.get_traceback_limit())
for stat in stats:
print(stat)
#print(stat.traceback.format())
'''top_stat = time2.statistics('traceback')
stats = iter(top_stat)
for stat in stats:
print(stat.traceback.format())'''