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Add testing for leaks in the windows pnp scanner

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Kovid Goyal 2012-09-09 22:19:39 +05:30
parent bcf5a4acfb
commit 7bba2267b0
1 changed files with 17 additions and 1 deletions
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18
src/calibre/devices/scanner.py
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@ -338,7 +338,7 @@ def test_for_mem_leak():
memory() # load the psutil library
for i in xrange(3): gc.collect()
for reps in (1, 10, 100, 1000, 10000):
for reps in (1, 10, 100, 1000):
for i in xrange(3): gc.collect()
h1 = gc_histogram()
startmem = memory()
@ -352,6 +352,22 @@ def test_for_mem_leak():
diff_hists(h1, gc_histogram())
prints()
if not iswindows:
return
for reps in (1, 10, 100, 1000):
for i in xrange(3): gc.collect()
h1 = gc_histogram()
startmem = memory()
for i in xrange(reps):
win_pnp_drives()
for i in xrange(3): gc.collect()
usedmem = memory(startmem)
prints('Memory used in %d repetitions of pnp_scan(): %.5f KB'%(reps,
1024*usedmem))
prints('Differences in python object counts:')
diff_hists(h1, gc_histogram())
prints()
def main(args=sys.argv):
test_for_mem_leak()