def fn():
s = lltype.malloc(S)
s.u = lltype.malloc(U)
a = lltype.malloc(A, 1000)
gcref1 = lltype.cast_opaque_ptr(llmemory.GCREF, s)
int1 = rgc.get_rpy_memory_usage(gcref1)
assert 8 <= int1 <= 32
gcref2 = lltype.cast_opaque_ptr(llmemory.GCREF, s.u)
int2 = rgc.get_rpy_memory_usage(gcref2)
assert 4*9 <= int2 <= 8*12
gcref3 = lltype.cast_opaque_ptr(llmemory.GCREF, a)
int3 = rgc.get_rpy_memory_usage(gcref3)
assert 4*1001 <= int3 <= 8*1010
return 0
def fn():
s = lltype.malloc(S)
s.u = lltype.malloc(U)
a = lltype.malloc(A, 1000)
gcref1 = lltype.cast_opaque_ptr(llmemory.GCREF, s)
int1 = rgc.get_rpy_memory_usage(gcref1)
assert 8 <= int1 <= 32
gcref2 = lltype.cast_opaque_ptr(llmemory.GCREF, s.u)
int2 = rgc.get_rpy_memory_usage(gcref2)
assert 4*9 <= int2 <= 8*12
gcref3 = lltype.cast_opaque_ptr(llmemory.GCREF, a)
int3 = rgc.get_rpy_memory_usage(gcref3)
assert 4*1001 <= int3 <= 8*1010
return 0
def test_get_memory_usage():
class X(object):
pass
x1 = X()
n = rgc.get_rpy_memory_usage(rgc.cast_instance_to_gcref(x1))
assert n >= 8 and n <= 64
def get_rpy_memory_usage(space, w_obj):
"""Return the memory usage of just the given object or GcRef.
This does not include the internal structures of the object."""
gcref = unwrap(space, w_obj)
size = rgc.get_rpy_memory_usage(gcref)
if size < 0:
raise missing_operation(space)
return space.wrap(size)
def test_get_memory_usage():
class X(object):
pass
x1 = X()
n = rgc.get_rpy_memory_usage(rgc.cast_instance_to_gcref(x1))
assert n >= 8 and n <= 64