Mercurial > hg > toybox
diff scripts/bloatcheck @ 492:f3169b2492f1
Replace GPL python debug script with BSD shell script.
author | Rob Landley <rob@landley.net> |
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date | Tue, 21 Feb 2012 21:27:10 -0600 |
parents | |
children | ca297cc8a204 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/scripts/bloatcheck Tue Feb 21 21:27:10 2012 -0600 @@ -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" +)