tools/gdb: decrese indentation to 4 spaces
This follows PEP 8 and matces other python code in systemd.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek
parent
06134457d2
commit
c544fc319c
|
|
@ -6,74 +6,74 @@ from __future__ import print_function
|
|||
import gdb
|
||||
|
||||
class sd_dump_hashmaps(gdb.Command):
|
||||
"dump systemd's hashmaps"
|
||||
"dump systemd's hashmaps"
|
||||
|
||||
def __init__(self):
|
||||
super(sd_dump_hashmaps, self).__init__("sd_dump_hashmaps", gdb.COMMAND_DATA, gdb.COMPLETE_NONE)
|
||||
def __init__(self):
|
||||
super(sd_dump_hashmaps, self).__init__("sd_dump_hashmaps", gdb.COMMAND_DATA, gdb.COMPLETE_NONE)
|
||||
|
||||
def invoke(self, arg, from_tty):
|
||||
d = gdb.parse_and_eval("hashmap_debug_list")
|
||||
all_entry_sizes = gdb.parse_and_eval("all_entry_sizes")
|
||||
all_direct_buckets = gdb.parse_and_eval("all_direct_buckets")
|
||||
uchar_t = gdb.lookup_type("unsigned char")
|
||||
ulong_t = gdb.lookup_type("unsigned long")
|
||||
debug_offset = gdb.parse_and_eval("(unsigned long)&((HashmapBase*)0)->debug")
|
||||
def invoke(self, arg, from_tty):
|
||||
d = gdb.parse_and_eval("hashmap_debug_list")
|
||||
all_entry_sizes = gdb.parse_and_eval("all_entry_sizes")
|
||||
all_direct_buckets = gdb.parse_and_eval("all_direct_buckets")
|
||||
uchar_t = gdb.lookup_type("unsigned char")
|
||||
ulong_t = gdb.lookup_type("unsigned long")
|
||||
debug_offset = gdb.parse_and_eval("(unsigned long)&((HashmapBase*)0)->debug")
|
||||
|
||||
print("type, hash, indirect, entries, max_entries, buckets, creator")
|
||||
while d:
|
||||
h = gdb.parse_and_eval("(HashmapBase*)((char*)%d - %d)" % (int(d.cast(ulong_t)), debug_offset))
|
||||
print("type, hash, indirect, entries, max_entries, buckets, creator")
|
||||
while d:
|
||||
h = gdb.parse_and_eval("(HashmapBase*)((char*)%d - %d)" % (int(d.cast(ulong_t)), debug_offset))
|
||||
|
||||
if h["has_indirect"]:
|
||||
storage_ptr = h["indirect"]["storage"].cast(uchar_t.pointer())
|
||||
n_entries = h["indirect"]["n_entries"]
|
||||
n_buckets = h["indirect"]["n_buckets"]
|
||||
else:
|
||||
storage_ptr = h["direct"]["storage"].cast(uchar_t.pointer())
|
||||
n_entries = h["n_direct_entries"]
|
||||
n_buckets = all_direct_buckets[int(h["type"])];
|
||||
if h["has_indirect"]:
|
||||
storage_ptr = h["indirect"]["storage"].cast(uchar_t.pointer())
|
||||
n_entries = h["indirect"]["n_entries"]
|
||||
n_buckets = h["indirect"]["n_buckets"]
|
||||
else:
|
||||
storage_ptr = h["direct"]["storage"].cast(uchar_t.pointer())
|
||||
n_entries = h["n_direct_entries"]
|
||||
n_buckets = all_direct_buckets[int(h["type"])];
|
||||
|
||||
t = ["plain", "ordered", "set"][int(h["type"])]
|
||||
t = ["plain", "ordered", "set"][int(h["type"])]
|
||||
|
||||
print("{}, {}, {}, {}, {}, {}, {} ({}:{})".format(t, h["hash_ops"], bool(h["has_indirect"]), n_entries, d["max_entries"], n_buckets, d["func"], d["file"], d["line"]))
|
||||
print("{}, {}, {}, {}, {}, {}, {} ({}:{})".format(t, h["hash_ops"], bool(h["has_indirect"]), n_entries, d["max_entries"], n_buckets, d["func"], d["file"], d["line"]))
|
||||
|
||||
if arg != "" and n_entries > 0:
|
||||
dib_raw_addr = storage_ptr + (all_entry_sizes[h["type"]] * n_buckets)
|
||||
if arg != "" and n_entries > 0:
|
||||
dib_raw_addr = storage_ptr + (all_entry_sizes[h["type"]] * n_buckets)
|
||||
|
||||
histogram = {}
|
||||
for i in xrange(0, n_buckets):
|
||||
dib = int(dib_raw_addr[i])
|
||||
histogram[dib] = histogram.get(dib, 0) + 1
|
||||
histogram = {}
|
||||
for i in xrange(0, n_buckets):
|
||||
dib = int(dib_raw_addr[i])
|
||||
histogram[dib] = histogram.get(dib, 0) + 1
|
||||
|
||||
for dib in sorted(iter(histogram)):
|
||||
if dib != 255:
|
||||
print("{:>3} {:>8} {} of entries".format(dib, histogram[dib], 100.0*histogram[dib]/n_entries))
|
||||
else:
|
||||
print("{:>3} {:>8} {} of slots".format(dib, histogram[dib], 100.0*histogram[dib]/n_buckets))
|
||||
print("mean DIB of entries: {}".format(sum([dib*histogram[dib] for dib in iter(histogram) if dib != 255])*1.0/n_entries))
|
||||
for dib in sorted(iter(histogram)):
|
||||
if dib != 255:
|
||||
print("{:>3} {:>8} {} of entries".format(dib, histogram[dib], 100.0*histogram[dib]/n_entries))
|
||||
else:
|
||||
print("{:>3} {:>8} {} of slots".format(dib, histogram[dib], 100.0*histogram[dib]/n_buckets))
|
||||
print("mean DIB of entries: {}".format(sum([dib*histogram[dib] for dib in iter(histogram) if dib != 255])*1.0/n_entries))
|
||||
|
||||
blocks = []
|
||||
current_len = 1
|
||||
prev = int(dib_raw_addr[0])
|
||||
for i in xrange(1, n_buckets):
|
||||
dib = int(dib_raw_addr[i])
|
||||
if (dib == 255) != (prev == 255):
|
||||
if prev != 255:
|
||||
blocks += [[i, current_len]]
|
||||
current_len = 1
|
||||
else:
|
||||
current_len += 1
|
||||
blocks = []
|
||||
current_len = 1
|
||||
prev = int(dib_raw_addr[0])
|
||||
for i in xrange(1, n_buckets):
|
||||
dib = int(dib_raw_addr[i])
|
||||
if (dib == 255) != (prev == 255):
|
||||
if prev != 255:
|
||||
blocks += [[i, current_len]]
|
||||
current_len = 1
|
||||
else:
|
||||
current_len += 1
|
||||
|
||||
prev = dib
|
||||
if prev != 255:
|
||||
blocks += [[i, current_len]]
|
||||
# a block may be wrapped around
|
||||
if len(blocks) > 1 and blocks[0][0] == blocks[0][1] and blocks[-1][0] == n_buckets - 1:
|
||||
blocks[0][1] += blocks[-1][1]
|
||||
blocks = blocks[0:-1]
|
||||
print("max block: {}".format(max(blocks, key=lambda a: a[1])))
|
||||
print("sum block lens: {}".format(sum(b[1] for b in blocks)))
|
||||
print("mean block len: {}".format((1.0 * sum(b[1] for b in blocks) / len(blocks))))
|
||||
prev = dib
|
||||
if prev != 255:
|
||||
blocks += [[i, current_len]]
|
||||
# a block may be wrapped around
|
||||
if len(blocks) > 1 and blocks[0][0] == blocks[0][1] and blocks[-1][0] == n_buckets - 1:
|
||||
blocks[0][1] += blocks[-1][1]
|
||||
blocks = blocks[0:-1]
|
||||
print("max block: {}".format(max(blocks, key=lambda a: a[1])))
|
||||
print("sum block lens: {}".format(sum(b[1] for b in blocks)))
|
||||
print("mean block len: {}".format((1.0 * sum(b[1] for b in blocks) / len(blocks))))
|
||||
|
||||
d = d["debug_list_next"]
|
||||
d = d["debug_list_next"]
|
||||
|
||||
sd_dump_hashmaps()
|
||||
|
|
|
|||
Loading…
Reference in New Issue