51849738cf
Upgrade scripts/bloat-o-meter to handle the names gcc 4 gives static symbols. Signed-off-by: Rob Landley <rob@landley.net> Signed-off-by: Matt Mackall <mpm@selenic.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
1.6 KiB
Executable File
#!/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": if "." in name: 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)