61 lines
1.7 KiB
Python
61 lines
1.7 KiB
Python
#!/usr/bin/python
|
|
#
|
|
# Copyright 2004 Matt Mackall <mpm@selenic.com>
|
|
#
|
|
# inspired by perl Bloat-O-Meter (c) 1997 by Andi Kleen
|
|
#
|
|
# This software may be used and distributed according to the terms
|
|
# of the GNU General Public License, incorporated herein by reference.
|
|
|
|
import sys, os, re
|
|
|
|
if len(sys.argv) != 3:
|
|
sys.stderr.write("usage: %s file1 file2\n" % sys.argv[0])
|
|
sys.exit(-1)
|
|
|
|
def getsizes(file):
|
|
sym = {}
|
|
for l in os.popen("nm --size-sort " + file).readlines():
|
|
size, type, name = l[:-1].split()
|
|
if type in "tTdDbB":
|
|
# function names begin with '.' on 64-bit powerpc
|
|
if "." in name[1:]: name = "static." + name.split(".")[0]
|
|
sym[name] = sym.get(name, 0) + int(size, 16)
|
|
return sym
|
|
|
|
old = getsizes(sys.argv[1])
|
|
new = getsizes(sys.argv[2])
|
|
grow, shrink, add, remove, up, down = 0, 0, 0, 0, 0, 0
|
|
delta, common = [], {}
|
|
|
|
for a in old:
|
|
if a in new:
|
|
common[a] = 1
|
|
|
|
for name in old:
|
|
if name not in common:
|
|
remove += 1
|
|
down += old[name]
|
|
delta.append((-old[name], name))
|
|
|
|
for name in new:
|
|
if name not in common:
|
|
add += 1
|
|
up += new[name]
|
|
delta.append((new[name], name))
|
|
|
|
for name in common:
|
|
d = new.get(name, 0) - old.get(name, 0)
|
|
if d>0: grow, up = grow+1, up+d
|
|
if d<0: shrink, down = shrink+1, down-d
|
|
delta.append((d, name))
|
|
|
|
delta.sort()
|
|
delta.reverse()
|
|
|
|
print "add/remove: %s/%s grow/shrink: %s/%s up/down: %s/%s (%s)" % \
|
|
(add, remove, grow, shrink, up, -down, up-down)
|
|
print "%-40s %7s %7s %+7s" % ("function", "old", "new", "delta")
|
|
for d, n in delta:
|
|
if d: print "%-40s %7s %7s %+7d" % (n, old.get(n,"-"), new.get(n,"-"), d)
|