def test_using_huge_pages():
t = ["AnonHugePages: 135168 kB", "HugePages_Total: 0"]
m = meminfo.MemInfo(context_wrap(t))
assert not m.huge_pages.using
assert m.huge_pages.using_transparent
t = ["AnonHugePages: 0 kB", "HugePages_Total: 123456"]
m = meminfo.MemInfo(context_wrap(t))
assert m.huge_pages.using
assert not m.huge_pages.using_transparent
def test_using_huge_pages():
t = ["AnonHugePages: 135168 kB", "HugePages_Total: 0"]
m = meminfo.MemInfo(context_wrap(t))
assert not m.huge_pages.using
assert m.huge_pages.using_transparent
t = [
"AnonHugePages: 0 kB",
"HugePages_Total: 123456",
"HugePages_Rsvd: 4096",
]
m = meminfo.MemInfo(context_wrap(t))
assert m.huge_pages.using
assert not m.huge_pages.using_transparent
assert m.huge_pages.total == 123456
assert m.huge_pages.reserved == 4096
def test_meminfo():
values = []
for l in MEMINFO.splitlines():
values.append(l.split()[1].strip())
m = meminfo.MemInfo(context_wrap(MEMINFO))
actual = [
m.total, m.free, m.available, m.buffers, m.cached, m.swap.cached,
m.active, m.inactive, m.anon.active, m.anon.inactive, m.file.active,
m.file.inactive, m.unevictable, m.mlocked, m.swap.total, m.swap.free,
m.dirty, m.writeback, m.anon.pages, m.mapped, m.shmem, m.slab.total,
m.slab.reclaimable, m.slab.unreclaimable, m.kernel_stack,
m.page_tables, m.nfs_unstable, m.bounce, m.writeback_tmp,
m.commit.limit, m.commit.total, m.vmalloc.total, m.vmalloc.used,
m.vmalloc.chunk, m.corrupted, m.huge_pages.anon, m.huge_pages.total,
m.huge_pages.free, m.huge_pages.reserved, m.huge_pages.surplus,
m.huge_pages.size, m.direct_map.kb, m.direct_map.mb
]
for i in range(len(actual)):
assert isinstance(
actual[i],
int), "Line %d's value is not an int: %s" % (i, type(actual[i]))
assert actual[i] == int(
values[i]) * 1024, "Line %d failed to match" % i
assert m.swap.used == (int(values[14]) - int(values[15]) -
int(values[5])) * 1024
assert m.used == (8009912 - 538760) * 1024
def test_meminfo_short():
# Test the various calculated properties when little or no data is
# available.
m = meminfo.MemInfo(context_wrap(MEMINFO_SHORT))
with pytest.raises(TypeError):
assert m.swap.used is None
with pytest.raises(TypeError):
assert m.used is None