3 # Copyright 2004 Matt Mackall <mpm@selenic.com>
5 # inspired by perl Bloat-O-Meter (c) 1997 by Andi Kleen
7 # This software may be used and distributed according to the terms
8 # of the GNU General Public License, incorporated herein by reference.
12 if len(sys.argv) != 3:
13 sys.stderr.write("usage: %s file1 file2\n" % sys.argv[0])
18 for l in os.popen("nm --size-sort " + file).readlines():
19 size, type, name = l[:-1].split()
21 # function names begin with '.' on 64-bit powerpc
22 if "." in name[1:]: name = "static." + name.split(".")[0]
23 sym[name] = sym.get(name, 0) + int(size, 16)
26 old = getsizes(sys.argv[1])
27 new = getsizes(sys.argv[2])
28 grow, shrink, add, remove, up, down = 0, 0, 0, 0, 0, 0
29 delta, common = [], {}
36 if name not in common:
39 delta.append((-old[name], name))
42 if name not in common:
45 delta.append((new[name], name))
48 d = new.get(name, 0) - old.get(name, 0)
49 if d>0: grow, up = grow+1, up+d
50 if d<0: shrink, down = shrink+1, down-d
51 delta.append((d, name))
56 print "add/remove: %s/%s grow/shrink: %s/%s up/down: %s/%s (%s)" % \
57 (add, remove, grow, shrink, up, -down, up-down)
58 print "%-40s %7s %7s %+7s" % ("function", "old", "new", "delta")
60 if d: print "%-40s %7s %7s %+7d" % (n, old.get(n,"-"), new.get(n,"-"), d)