diff options
Diffstat (limited to 'tools/allocation_tracking/track_allocations.py')
| -rw-r--r-- | tools/allocation_tracking/track_allocations.py | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/allocation_tracking/track_allocations.py b/tools/allocation_tracking/track_allocations.py index 2006217c2..dfc354eb5 100644 --- a/tools/allocation_tracking/track_allocations.py +++ b/tools/allocation_tracking/track_allocations.py @@ -1,6 +1,7 @@ from __future__ import division, absolute_import, print_function import numpy as np +import gc import inspect from alloc_hook import NumpyAllocHook @@ -35,12 +36,21 @@ class AllocationTracker(object): self.numpy_hook.__exit__() def hook(self, inptr, outptr, size): + # minimize the chances that the garbage collector kicks in during a + # cython __dealloc__ call and causes a double delete of the current + # object. To avoid this fully the hook would have to avoid all python + # api calls, e.g. by being implemented in C like python 3.4's + # tracemalloc module + gc_on = gc.isenabled() + gc.disable() if outptr == 0: # it's a free self.free_cb(inptr) elif inptr != 0: # realloc self.realloc_cb(inptr, outptr, size) else: # malloc self.alloc_cb(outptr, size) + if gc_on: + gc.enable() def alloc_cb(self, ptr, size): if size >= self.threshold: |