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#!/bin/sh
# SPDX-License-Identifier: GPL-2.0+
#
# Runs the C-language litmus tests having a maximum number of processes
# to run, defaults to 6.
#
# sh checkghlitmus.sh
#
# Run from the Linux kernel tools/memory-model directory. See the
# parseargs.sh scripts for arguments.
. scripts/parseargs.sh
T=/tmp/checkghlitmus.sh.$$
trap 'rm -rf $T' 0
mkdir $T
# Clone the repository if it is not already present.
if test -d litmus
then
:
else
git clone https://github.com/paulmckrcu/litmus
( cd litmus; git checkout origin/master )
fi
# Create any new directories that have appeared in the github litmus
# repo since the last run.
if test "$LKMM_DESTDIR" != "."
then
find litmus -type d -print |
( cd "$LKMM_DESTDIR"; sed -e 's/^/mkdir -p /' | sh )
fi
# Create a list of the C-language litmus tests previously run.
( cd $LKMM_DESTDIR; find litmus -name '*.litmus.out' -print ) |
sed -e 's/\.out$//' |
xargs -r egrep -l '^ \* Result: (Never|Sometimes|Always|DEADLOCK)' |
xargs -r grep -L "^P${LKMM_PROCS}"> $T/list-C-already
# Create a list of C-language litmus tests with "Result:" commands and
# no more than the specified number of processes.
find litmus -name '*.litmus' -exec grep -l -m 1 "^C " {} \; > $T/list-C
xargs < $T/list-C -r egrep -l '^ \* Result: (Never|Sometimes|Always|DEADLOCK)' > $T/list-C-result
xargs < $T/list-C-result -r grep -L "^P${LKMM_PROCS}" > $T/list-C-result-short
# Form list of tests without corresponding .litmus.out files
sort $T/list-C-already $T/list-C-result-short | uniq -u > $T/list-C-needed
# Run any needed tests.
if scripts/runlitmushist.sh < $T/list-C-needed > $T/run.stdout 2> $T/run.stderr
then
errs=
else
errs=1
fi
sed < $T/list-C-result-short -e 's,^,scripts/judgelitmus.sh ,' |
sh > $T/judge.stdout 2> $T/judge.stderr
if test -n "$errs"
then
cat $T/run.stderr 1>&2
fi
grep '!!!' $T/judge.stdout
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