#!/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>
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 echoAll runs completed successfully. 1>&2
exit 0 fi
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