1 #!/bin/sh
2 # SPDX-License-Identifier: GPL-2.0+
3 #
4 # Reruns the C-language litmus tests previously run that match the
5 # specified criteria, and compares the result to that of the previous
6 # runs from initlitmushist.sh and/or newlitmushist.sh.
7 #
8 # sh checklitmushist.sh
9 #
10 # Run from the Linux kernel tools/memory-model directory.
11 # See scripts/parseargs.sh for list of arguments.
12 #
13 # Copyright IBM Corporation, 2018
14 #
15 # Author: Paul E. McKenney <paulmck@linux.ibm.com>
16
17 . scripts/parseargs.sh
18
19 T=/tmp/checklitmushist.sh.$$
20 trap 'rm -rf $T' 0
21 mkdir $T
22
23 if test -d litmus
24 then
25 :
26 else
27 echo Run scripts/initlitmushist.sh first, need litmus repo.
28 exit 1
29 fi
30
31 # Create the results directory and populate it with subdirectories.
32 # The initial output is created here to avoid clobbering the output
33 # generated earlier.
34 mkdir $T/results
35 find litmus -type d -print | ( cd $T/results; sed -e 's/^/mkdir -p /' | sh )
36
37 # Create the list of litmus tests already run, then remove those that
38 # are excluded by this run's --procs argument.
39 ( cd $LKMM_DESTDIR; find litmus -name '*.litmus.out' -print ) |
40 sed -e 's/\.out$//' |
41 xargs -r grep -L "^P${LKMM_PROCS}"> $T/list-C-already
42 xargs < $T/list-C-already -r grep -L "^P${LKMM_PROCS}" > $T/list-C-short
43
44 # Redirect output, run tests, then restore destination directory.
45 destdir="$LKMM_DESTDIR"
46 LKMM_DESTDIR=$T/results; export LKMM_DESTDIR
47 scripts/runlitmushist.sh < $T/list-C-short > $T/runlitmushist.sh.out 2>&1
48 LKMM_DESTDIR="$destdir"; export LKMM_DESTDIR
49
50 # Move the newly generated .litmus.out files to .litmus.out.new files
51 # in the destination directory.
52 cdir=`pwd`
53 ddir=`awk -v c="$cdir" -v d="$LKMM_DESTDIR" \
54 'END { if (d ~ /^\//) print d; else print c "/" d; }' < /dev/null`
55 ( cd $T/results; find litmus -type f -name '*.litmus.out' -print |
56 sed -e 's,^.*$,cp & '"$ddir"'/&.new,' | sh )
57
58 sed < $T/list-C-short -e 's,^,'"$LKMM_DESTDIR/"',' |
59 sh scripts/cmplitmushist.sh
60 exit $?
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