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|
#!/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" "$NEXT")"
}
do_bloatcheck()
{
LASTNAME=
DELTA=0
TOTAL=0
OLD=0
NEW=0
STUFF=
printf "name% 46s% 10s% 11s\n" old new delta
echo "-----------------------------------------------------------------------"
while read a b c d
do
THISNAME=$(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"
}
DIFF1=`mktemp base.XXXXXXX`
DIFF2=`mktemp bloat.XXXXXXX`
trap "rm $DIFF1 $DIFF2" EXIT
nm --size-sort "$1" | sort -k3,3 > $DIFF1
nm --size-sort "$2" | sort -k3,3 > $DIFF2
diff -U 0 $DIFF1 $DIFF2 | tail -n +3 | sed -n 's/^\([-+]\)/\1 /p' \
| sort -k4,4 | do_bloatcheck
|
