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-rw-r--r--tools/memory-model/scripts/newlitmushist.sh61
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diff --git a/tools/memory-model/scripts/newlitmushist.sh b/tools/memory-model/scripts/newlitmushist.sh
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+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Runs the C-language litmus tests matching the specified criteria
+# that do not already have a corresponding .litmus.out file, and does
+# not judge the result.
+#
+# sh newlitmushist.sh
+#
+# Run from the Linux kernel tools/memory-model directory.
+# See scripts/parseargs.sh for list of arguments.
+#
+# Copyright IBM Corporation, 2018
+#
+# Author: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
+
+. scripts/parseargs.sh
+
+T=/tmp/newlitmushist.sh.$$
+trap 'rm -rf $T' 0
+mkdir $T
+
+if test -d litmus
+then
+ :
+else
+ echo Run scripts/initlitmushist.sh first, need litmus repo.
+ exit 1
+fi
+
+# Create any new directories that have appeared in the github litmus
+# repo since the last run.
+if test "$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 grep -L "^P${LKMM_PROCS}"> $T/list-C-already
+
+# Form full list of litmus tests with no more than the specified
+# number of processes (per the --procs argument).
+find litmus -name '*.litmus' -exec grep -l -m 1 "^C " {} \; > $T/list-C-all
+xargs < $T/list-C-all -r grep -L "^P${LKMM_PROCS}" > $T/list-C-short
+
+# Form list of new tests. Note: This does not handle litmus-test deletion!
+sort $T/list-C-already $T/list-C-short | uniq -u > $T/list-C-new
+
+# Form list of litmus tests that have changed since the last run.
+sed < $T/list-C-short -e 's,^.*$,if test & -nt '"$LKMM_DESTDIR"'/&.out; then echo &; fi,' > $T/list-C-script
+sh $T/list-C-script > $T/list-C-newer
+
+# Merge the list of new and of updated litmus tests: These must be (re)run.
+sort -u $T/list-C-new $T/list-C-newer > $T/list-C-needed
+
+scripts/runlitmushist.sh < $T/list-C-needed
+
+exit 0