1 #!/usr/bin/env python3 !! 1 #!/usr/bin/python 2 # 2 # 3 # Copyright 2004 Matt Mackall <mpm@selenic.com> 3 # Copyright 2004 Matt Mackall <mpm@selenic.com> 4 # 4 # 5 # inspired by perl Bloat-O-Meter (c) 1997 by A 5 # inspired by perl Bloat-O-Meter (c) 1997 by Andi Kleen 6 # 6 # 7 # This software may be used and distributed ac 7 # This software may be used and distributed according to the terms 8 # of the GNU General Public License, incorpora 8 # of the GNU General Public License, incorporated herein by reference. 9 9 10 import sys, os, re, argparse !! 10 import sys, os, re 11 from signal import signal, SIGPIPE, SIG_DFL << 12 11 13 signal(SIGPIPE, SIG_DFL) !! 12 if len(sys.argv) != 3: >> 13 sys.stderr.write("usage: %s file1 file2\n" % sys.argv[0]) >> 14 sys.exit(-1) 14 15 15 parser = argparse.ArgumentParser(description=" !! 16 def getsizes(file): 16 group = parser.add_mutually_exclusive_group() << 17 group.add_argument('-c', help='categorize outp << 18 group.add_argument('-d', help='Show delta of D << 19 group.add_argument('-t', help='Show delta of t << 20 parser.add_argument('-p', dest='prefix', help= << 21 parser.add_argument('file1', help='First file << 22 parser.add_argument('file2', help='Second file << 23 << 24 args = parser.parse_args() << 25 << 26 re_NUMBER = re.compile(r'\.[0-9]+') << 27 << 28 def getsizes(file, format): << 29 sym = {} 17 sym = {} 30 nm = "nm" !! 18 for l in os.popen("nm --size-sort " + file).readlines(): 31 if args.prefix: !! 19 size, type, name = l[:-1].split() 32 nm = "{}nm".format(args.prefix) !! 20 if type in "tTdDbBrR": 33 !! 21 # strip generated symbols 34 with os.popen("{} --size-sort {}".format(n !! 22 if name.startswith("__mod_"): continue 35 for line in f: !! 23 if name.startswith("SyS_"): continue 36 if line.startswith("\n") or ":" in !! 24 if name.startswith("compat_SyS_"): continue 37 continue !! 25 if name == "linux_banner": continue 38 size, type, name = line.split() !! 26 # statics and some other optimizations adds random .NUMBER 39 if type in format: !! 27 name = re.sub(r'\.[0-9]+', '', name) 40 # strip generated symbols !! 28 sym[name] = sym.get(name, 0) + int(size, 16) 41 if name.startswith("__mod_"): << 42 if name.startswith("__se_sys") << 43 if name.startswith("__se_compa << 44 if name.startswith("__addressa << 45 if name == "linux_banner": con << 46 if name == "vermagic": continu << 47 # statics and some other optim << 48 name = re_NUMBER.sub('', name) << 49 sym[name] = sym.get(name, 0) + << 50 return sym 29 return sym 51 30 52 def calc(oldfile, newfile, format): !! 31 old = getsizes(sys.argv[1]) 53 old = getsizes(oldfile, format) !! 32 new = getsizes(sys.argv[2]) 54 new = getsizes(newfile, format) !! 33 grow, shrink, add, remove, up, down = 0, 0, 0, 0, 0, 0 55 grow, shrink, add, remove, up, down = 0, 0 !! 34 delta, common = [], {} 56 delta, common = [], {} !! 35 57 otot, ntot = 0, 0 !! 36 for a in old: 58 !! 37 if a in new: 59 for a in old: !! 38 common[a] = 1 60 if a in new: !! 39 61 common[a] = 1 !! 40 for name in old: 62 !! 41 if name not in common: 63 for name in old: !! 42 remove += 1 64 otot += old[name] !! 43 down += old[name] 65 if name not in common: !! 44 delta.append((-old[name], name)) 66 remove += 1 !! 45 67 down += old[name] !! 46 for name in new: 68 delta.append((-old[name], name)) !! 47 if name not in common: 69 !! 48 add += 1 70 for name in new: !! 49 up += new[name] 71 ntot += new[name] !! 50 delta.append((new[name], name)) 72 if name not in common: << 73 add += 1 << 74 up += new[name] << 75 delta.append((new[name], name)) << 76 51 77 for name in common: !! 52 for name in common: 78 d = new.get(name, 0) - old.get(name, 0 53 d = new.get(name, 0) - old.get(name, 0) 79 if d>0: grow, up = grow+1, up+d 54 if d>0: grow, up = grow+1, up+d 80 if d<0: shrink, down = shrink+1, down- 55 if d<0: shrink, down = shrink+1, down-d 81 delta.append((d, name)) 56 delta.append((d, name)) 82 57 83 delta.sort(reverse=True) !! 58 delta.sort() 84 return grow, shrink, add, remove, up, down !! 59 delta.reverse() 85 60 86 def print_result(symboltype, symbolformat): !! 61 print("add/remove: %s/%s grow/shrink: %s/%s up/down: %s/%s (%s)" % \ 87 grow, shrink, add, remove, up, down, delta !! 62 (add, remove, grow, shrink, up, -down, up-down)) 88 calc(args.file1, args.file2, symbolformat) !! 63 print("%-40s %7s %7s %+7s" % ("function", "old", "new", "delta")) 89 !! 64 for d, n in delta: 90 print("add/remove: %s/%s grow/shrink: %s/% !! 65 if d: print("%-40s %7s %7s %+7d" % (n, old.get(n,"-"), new.get(n,"-"), d)) 91 (add, remove, grow, shrink, up, -dow << 92 print("%-40s %7s %7s %+7s" % (symboltype, << 93 for d, n in delta: << 94 if d: print("%-40s %7s %7s %+7d" % (n, << 95 << 96 if otot: << 97 percent = (ntot - otot) * 100.0 / otot << 98 else: << 99 percent = 0 << 100 print("Total: Before=%d, After=%d, chg %+. << 101 << 102 if args.c: << 103 print_result("Function", "tTwW") << 104 print_result("Data", "dDbBvV") << 105 print_result("RO Data", "rR") << 106 elif args.d: << 107 print_result("Data", "dDbBrRvV") << 108 elif args.t: << 109 print_result("Function", "tTwW") << 110 else: << 111 print_result("Function", "tTdDbBrRvVwW") <<
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