ebbaf55e09
New option TEST_DEBUG=1 turns on test framework debugging, which currently consists of printing difference in allocated objects/memory and also creates reference graphs for any unfreed VppPapiProvider/VPP objects - these take a lot of memory and thus should be freed regularly. Change-Id: I29db0c1341009d4b5c5df9222d14f3095883fd0f Signed-off-by: Klement Sekera <ksekera@cisco.com>
40 lines
1.1 KiB
Python
40 lines
1.1 KiB
Python
import gc
|
|
import pprint
|
|
import vpp_papi
|
|
from vpp_papi_provider import VppPapiProvider
|
|
import objgraph
|
|
from pympler import tracker
|
|
tr = tracker.SummaryTracker()
|
|
|
|
"""
|
|
Internal debug module
|
|
|
|
The module provides functions for debugging test framework
|
|
"""
|
|
|
|
|
|
def on_tear_down_class(cls):
|
|
gc.collect()
|
|
tr.print_diff()
|
|
objects = gc.get_objects()
|
|
counter = 0
|
|
with open(cls.tempdir + '/python_objects.txt', 'w') as f:
|
|
interesting = [
|
|
o for o in objects
|
|
if isinstance(o, (VppPapiProvider, vpp_papi.VPP))]
|
|
del objects
|
|
gc.collect()
|
|
for o in interesting:
|
|
objgraph.show_backrefs([o], max_depth=5,
|
|
filename="%s/%s.png" %
|
|
(cls.tempdir, counter))
|
|
counter += 1
|
|
refs = gc.get_referrers(o)
|
|
pp = pprint.PrettyPrinter(indent=2)
|
|
f.write("%s\n" % pp.pformat(o))
|
|
for r in refs:
|
|
try:
|
|
f.write("%s\n" % pp.pformat(r))
|
|
except:
|
|
f.write("%s\n" % type(r))
|