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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0+
#
# Runs the C-language litmus tests specified on standard input, using up
# to the specified number of CPUs (defaulting to all of them) and placing
# the results in the specified directory (defaulting to the same place
# the litmus test came from).
#
# sh runlitmushist.sh
#
# Run from the Linux kernel tools/memory-model directory.
# This script uses environment variables produced by parseargs.sh.
#
# Copyright IBM Corporation, 2018
#
# Author: Paul E. McKenney <paulmck@linux.ibm.com>
. scripts/hwfnseg.sh
T=/tmp/runlitmushist.sh.$$
trap 'rm -rf $T' 0
mkdir $T
if test -d litmus
then
:
else
echo Directory \"litmus\" missing, aborting run.
exit 1
fi
# Prefixes for per-CPU scripts
for ((i=0;i<$LKMM_JOBS;i++))
do
echo T=$T >> $T/$i.sh
cat << '___EOF___' >> $T/$i.sh
runtest () {
if scripts/runlitmus.sh $1
then
if ! grep -q '^Observation ' $LKMM_DESTDIR/$1$2.out
then
echo ' !!! Herd failed, no Observation:' $1
fi
else
exitcode=$?
if test "$exitcode" -eq 124
then
exitmsg="timed out"
elif test "$exitcode" -eq 253
then
exitmsg=
else
exitmsg="failed, exit code $exitcode"
fi
if test -n "$exitmsg"
then
echo ' !!! Herd' ${exitmsg}: $1
fi
fi
}
___EOF___
done
awk -v q="'" -v b='\\' '
{
print "echo `grep " q "^P[0-9]" b "+(" q " " $0 " | tail -1 | sed -e " q "s/^P" b "([0-9]" b "+" b ")(.*$/" b "1/" q "` " $0
}' | sh | sort -k1n |
awk -v dq='"' -v hwfnseg="$hwfnseg" -v ncpu="$LKMM_JOBS" -v t="$T" '
{
print "if test -z " dq hwfnseg dq " || scripts/simpletest.sh " dq $2 dq
print "then"
print "\techo runtest " dq $2 dq " " hwfnseg " >> " t "/" NR % ncpu ".sh";
print "fi"
}
END {
for (i = 0; i < ncpu; i++) {
print "sh " t "/" i ".sh > " t "/" i ".sh.out 2>&1 &";
close(t "/" i ".sh");
}
print "wait";
}' | sh
cat $T/*.sh.out
if grep -q '!!!' $T/*.sh.out
then
echo ' ---' Summary: 1>&2
grep '!!!' $T/*.sh.out 1>&2
nfail="`grep '!!!' $T/*.sh.out | wc -l`"
echo 'Number of failed herd7 runs (e.g., timeout): ' $nfail 1>&2
exit 1
else
echo All runs completed successfully. 1>&2
exit 0
fi
|
