def _helper(self, node: drgn.Object, offset: int) -> Iterable[drgn.Object]:
if node == sdb.get_typed_null(node.type_):
return
lchild = node.avl_child[0]
yield from self._helper(lchild, offset)
obj = sdb.create_object("void *", int(node) - offset)
yield obj
rchild = node.avl_child[1]
yield from self._helper(rchild, offset)
def pretty_print(self, metaslabs, indent=0):
first_time = True
for msp in metaslabs:
if not self.args.histogram and not self.args.weight:
Metaslab.print_metaslab(msp, first_time, indent)
if self.args.histogram:
spacemap = msp.ms_sm
if spacemap != sdb.get_typed_null(spacemap.type_):
histogram = spacemap.sm_phys.smp_histogram
print_histogram(histogram, 32, spacemap.sm_shift)
if self.args.weight:
Metaslab.metaslab_weight_print(msp, first_time, indent)
first_time = False
def pretty_print(self,
metaslabs: Iterable[drgn.Object],
indent: int = 0) -> None:
first_time = True
for msp in metaslabs:
if not self.args.weight:
Metaslab.print_metaslab(msp, first_time, indent)
if self.args.histogram:
spacemap = msp.ms_sm
if spacemap != sdb.get_typed_null(spacemap.type_):
histogram = spacemap.sm_phys.smp_histogram
ZFSHistogram.print_histogram(histogram,
int(spacemap.sm_shift),
indent + 5)
if self.args.weight:
Metaslab.metaslab_weight_print(msp, first_time, indent)
first_time = False
def print_metaslab(msp: drgn.Object, print_header: bool,
indent: int) -> None:
spacemap = msp.ms_sm
if print_header:
print(
"".ljust(indent),
"ADDR".ljust(18),
"ID".rjust(4),
"OFFSET".rjust(16),
"FREE".rjust(8),
"FRAG".rjust(5),
"UCMU".rjust(8),
)
print("".ljust(indent), "-" * 65)
free = msp.ms_size
if spacemap != sdb.get_typed_null(spacemap.type_):
free -= spacemap.sm_phys.smp_alloc
ufrees = msp.ms_unflushed_frees.rt_space
uallocs = msp.ms_unflushed_allocs.rt_space
free = free + ufrees - uallocs
uchanges_free_mem = msp.ms_unflushed_frees.rt_root.bt_num_nodes
uchanges_free_mem *= BTREE_LEAF_SIZE
uchanges_alloc_mem = msp.ms_unflushed_allocs.rt_root.bt_num_nodes
uchanges_alloc_mem *= BTREE_LEAF_SIZE
uchanges_mem = uchanges_free_mem + uchanges_alloc_mem
print(
"".ljust(indent),
hex(msp).ljust(16),
str(int(msp.ms_id)).rjust(4),
hex(msp.ms_start).rjust(16),
nicenum(free).rjust(8),
end="",
)
if msp.ms_fragmentation == -1:
print("-".rjust(6), end="")
else:
print((str(int(msp.ms_fragmentation)) + "%").rjust(6), end="")
print(nicenum(uchanges_mem).rjust(9))
def sum_histograms(
metaslabs: Iterable[drgn.Object]) -> Tuple[drgn.Object, int]:
shift = -1
length = 1
first_time = True
histsum: List[int] = []
for msp in metaslabs:
if msp.ms_sm == sdb.get_typed_null(msp.ms_sm.type_):
continue
histogram = msp.ms_sm.sm_phys.smp_histogram
if first_time:
shift = int(msp.ms_sm.sm_shift)
length = len(histogram)
histsum = [0] * length
assert length == len(histogram)
assert shift == int(msp.ms_sm.sm_shift)
for (bucket, value) in enumerate(histogram):
histsum[bucket] += int(value)
first_time = False
return sdb.create_object(f'uint64_t[{length}]', histsum), shift