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from cStringIO import StringIO
from rpython.jit.tool.loopcounter import count_loops_and_bridges
def test_loopcounter():
log = StringIO("""
[1200] {stuff
...
[1201] stuff}
[120a] {jit-mem-looptoken-alloc
allocating Loop # 0
[120b] jit-mem-looptoken-alloc}
[1300] {jit-mem-looptoken-alloc
allocating Bridge # 1 of Loop # 0
[1301] jit-mem-looptoken-alloc}
[1400] {jit-mem-looptoken-alloc
allocating Bridge # 2 of Loop # 0
[1401] jit-mem-looptoken-alloc}
[1500] {jit-mem-looptoken-alloc
allocating Loop # 1
[1501] jit-mem-looptoken-alloc}
[1600] {jit-mem-looptoken-free
freeing Loop # 0 with 2 attached bridges
[1601] jit-mem-looptoken-free}
""")
lines = list(count_loops_and_bridges(log))
assert lines == [
# time total loops bridges
(0x00a, 1, 1, 0),
(0x100, 2, 1, 1),
(0x200, 3, 1, 2),
(0x300, 4, 2, 2),
(0x400, 1, 1, 0),
]
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