diff options
| -rw-r--r-- | Makefile | 2 | ||||
| -rwxr-xr-x | scripts/bloat-o-meter | 65 | ||||
| -rwxr-xr-x | scripts/bloatcheck | 60 |
3 files changed, 61 insertions, 66 deletions
@@ -22,7 +22,7 @@ baseline: toybox_unstripped @cp toybox_unstripped toybox_old bloatcheck: toybox_old toybox_unstripped - @scripts/bloat-o-meter toybox_old toybox_unstripped + @scripts/bloatcheck toybox_old toybox_unstripped instlist: toybox $(HOSTCC) $(CCFLAGS) -I . scripts/install.c -o instlist diff --git a/scripts/bloat-o-meter b/scripts/bloat-o-meter deleted file mode 100755 index 31364fe1..00000000 --- a/scripts/bloat-o-meter +++ /dev/null @@ -1,65 +0,0 @@ -#!/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) - for l in os.popen("readelf -S " + file).readlines(): - x = l.split() - if len(x)<6 or x[1] != ".rodata": continue - sym[".rodata"] = int(x[5], 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 "%-48s %7s %7s %+7s" % ("function", "old", "new", "delta") -for d, n in delta: - if d: print "%-48s %7s %7s %+7d" % (n, old.get(n,"-"), new.get(n,"-"), d) -print "-"*78 -total="(add/remove: %s/%s grow/shrink: %s/%s up/down: %s/%s)%%sTotal: %s bytes"\ - % (add, remove, grow, shrink, up, -down, up-down) -print total % (" "*(80-len(total))) diff --git a/scripts/bloatcheck b/scripts/bloatcheck new file mode 100755 index 00000000..a5a28f1c --- /dev/null +++ b/scripts/bloatcheck @@ -0,0 +1,60 @@ +#!/bin/bash + +if [ $# -ne 2 ] +then + echo "usage: bloatcheck old new" + exit 1 +fi + +addline() +{ + NEXT="$(printf "%s% $((50-${#LASTNAME}))d% 10d %10d" "$LASTNAME" "$OLD" "$NEW" "$DELTA")" + [ -z "$STUFF" ] && + STUFF="$NEXT" || + STUFF="$(printf "%s\n%s" "$STUFF" "$NEXT")" +} + +diff <(nm --size-sort "$1" | sort -k3,3) \ + <(nm --size-sort "$2" | sort -k3,3) | grep '^[<>]' | sort -k4,4 | \ +( +LASTNAME= +DELTA=0 +TOTAL=0 +OLD=0 +NEW=0 +STUFF= + +printf "name% 46s% 10s% 11s\n" old new delta +echo "-----------------------------------------------------------------------" +while read a b c d +do + THISNAME=$(echo " $d" | sed 's/[.][0-9]*$//') + + if [ "$LASTNAME" != "$THISNAME" ] + then + TOTAL=$(($TOTAL+$DELTA)) + [ $DELTA -ne 0 ] && addline + LASTNAME="$THISNAME" + DELTA=0 + OLD=0 + NEW=0 + fi + + SIZE=$(printf "%d" "0x$b") + if [ "$a" == "<" ] + then + OLD=$(($OLD+$SIZE)) + SIZE=$((-1*$SIZE)) + else + NEW=$(($NEW+$SIZE)) + fi + DELTA=$(($DELTA+$SIZE)) +done + +TOTAL=$(($TOTAL+$DELTA)) +[ $DELTA -ne 0 ] && addline + +echo "$STUFF" | sort -k4,4nr +echo "-----------------------------------------------------------------------" +printf "% 71d total\n" "$TOTAL" +) |