/usr/bin/undertaker-busybox-tree is in undertaker 1.6.1-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 | #!/bin/bash
#
# Runs undertaker on a busybox source tree
#
# Copyright (C) 2012 Manuel Zerpies <manuel.f.zerpies@ww.stud.uni-erlangen.de>
# Copyright (C) 2014 Stefan Hengelein <stefan.hengelein@informatik.stud.uni-erlangen.de>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# This script is indented to run the undertaker on a whole busybox
# tree. It will determine which files to be processed and how many
# threads can be started according to the count of processors your
# machine has. It assumes, that you have run busybox-kconfigdump
# before, in order to create the models.
#
# scan for deads by default
MODE="scan-deads"
while getopts m:t:civh OPT; do
case $OPT in
m)
MODELS="$OPTARG"
;;
t)
PROCESSORS="$OPTARG"
;;
c)
MODE="calc-coverage"
;;
v)
echo "undertaker-busybox-tree"
exit
;;
h)
echo "\`undertaker-busybox-tree' drives the undertaker over a whole busybox-tree"
echo
echo "Usage: ${0##*/} [-m DIR] [-t PROCS] [-c]"
echo " -m <modeldir> Specify the directory for the models"
echo " (default: models)"
echo " -t <count> Number of analyzing processes"
echo " (default: _NPROCESSORS_ONLN)"
echo " -c Do coverage analysis instead of dead block search"
exit
;;
esac
done
shift $(( OPTIND - 1 ))
OPTIND=1
MODELS=${MODELS:-models}
PROCESSORS=${PROCESSORS:-$(getconf _NPROCESSORS_ONLN)}
if [ ! -f Config.in ]; then
echo "Not run in an busybox tree. Please run inside an busybox tree without arguments"
exit 1
else
echo "Running on Busybox Version $(git describe || echo '(no git)')"
fi
if ! which undertaker > /dev/null; then
echo "No undertaker binary found."
exit 1
fi
if ! ls "$MODELS"/busybox.model >/dev/null 2>&1; then
echo "No models found, please call undertaker-kconfigdump"
exit
fi
if [ "$MODE" = "calc-coverage" ]; then
find -type f -name '*.c' \
! -regex '^./scripts.*' -print > undertaker-coverage-worklist
files=`wc -l <undertaker-coverage-worklist`
echo "Calculating partial configurations (greedy variant) on $files files"
undertaker -j coverage -C min -t "$PROCESSORS" -b undertaker-coverage-worklist \
-m "$MODELS"/busybox.model 2>&1 |
grep '^I: ./' > coverage.txt
if [ ! -s coverage.txt ]; then
echo "Coverage analysis failed!"
exit 1
fi
echo "TOP 50 variable files:"
awk -F'I: ' '/^I: / { print $2 }' < coverage.txt |
awk -F, '/Found Solutions/ { printf "%s %s\n", $2, $1 }' |
sort -n -r |
head -n 50 | tee coverage.stats
fi
if [ "$MODE" = "scan-deads" ]; then
find -type f -name "*.[hcS]" \
! -regex '^./scripts.*' \
-exec grep -q -E '^#else' {} \; -print | shuf > undertaker-worklist
# delete potentially confusing .dead files first
find . -type f -name '*dead' -delete
echo "Analyzing $(wc -l < undertaker-worklist) files with $PROCESSORS threads."
undertaker -t "$PROCESSORS" -b undertaker-worklist -m "$MODELS"/busybox.model
printf "\n\nFound %s global defects\n" "$(find . -name '*dead'| grep globally | wc -l)"
exit 0
fi
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