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author | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
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committer | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
commit | 97327692361306d1e6259021bc425e32832fdb50 (patch) | |
tree | fe9088f3248ec61e24f404f21b9793cb644b7f01 /scripts/bloat-o-meter | |
parent | 2d05a8f663478a44e088d122e0d62109bbc801d0 (diff) | |
parent | a3a8b90b61e21be3dde9101c4e86c881e0f06210 (diff) | |
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dirty fix to merging
Diffstat (limited to 'scripts/bloat-o-meter')
-rwxr-xr-x | scripts/bloat-o-meter | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/scripts/bloat-o-meter b/scripts/bloat-o-meter new file mode 100755 index 00000000..6129020c --- /dev/null +++ b/scripts/bloat-o-meter @@ -0,0 +1,62 @@ +#!/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 "tTdDbBrR": + # strip generated symbols + if name[:6] == "__mod_": continue + # 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) |