projects/linux·blob master · refs

80 lines · 2.4 KiB

1#!/bin/sh
2# SPDX-License-Identifier: GPL-2.0+
3#
4# Without the -hw argument, runs a herd7 test and outputs verification
5# results to a file whose name is that of the specified litmus test,
6# but with ".out" appended.
7#
8# If the --hw argument is specified, this script translates the .litmus
9# C-language file to the specified type of assembly and verifies that.
10# But in this case, litmus tests using complex synchronization (such as
11# locking, RCU, and SRCU) are cheerfully ignored.
12#
13# Either way, return the status of the herd7 command.
14#
15# Usage:
16# runlitmus.sh file.litmus
17#
18# Run this in the directory containing the memory model, specifying the
19# pathname of the litmus test to check. The caller is expected to have
20# properly set up the LKMM environment variables.
21#
22# Copyright IBM Corporation, 2019
23#
24# Author: Paul E. McKenney <[email protected]>
25
26litmus=$1
27if test -f "$litmus" -a -r "$litmus"
28then
29 :
30else
31 echo ' !!! ' error: \"$litmus\" is not a readable file
32 exit 255
33fi
34
35if test -z "$LKMM_HW_MAP_FILE" -o ! -e $LKMM_DESTDIR/$litmus.out
36then
37 # LKMM run
38 herdoptions=${LKMM_HERD_OPTIONS--conf linux-kernel.cfg}
39 echo Herd options: $herdoptions > $LKMM_DESTDIR/$litmus.out
40 /usr/bin/time $LKMM_TIMEOUT_CMD herd7 $herdoptions $litmus >> $LKMM_DESTDIR/$litmus.out 2>&1
41 ret=$?
42 if test -z "$LKMM_HW_MAP_FILE"
43 then
44 exit $ret
45 fi
46 echo " --- " Automatically generated LKMM output for '"'--hw $LKMM_HW_MAP_FILE'"' run
47fi
48
49# Hardware run
50
51T=/tmp/checklitmushw.sh.$$
52trap 'rm -rf $T' 0 2
53mkdir $T
54
55# Generate filenames
56mapfile="Linux2${LKMM_HW_MAP_FILE}.map"
57themefile="$T/${LKMM_HW_MAP_FILE}.theme"
58herdoptions="-model $LKMM_HW_CAT_FILE"
59hwlitmus=`echo $litmus | sed -e 's/\.litmus$/.litmus.'${LKMM_HW_MAP_FILE}'/'`
60hwlitmusfile=`echo $hwlitmus | sed -e 's,^.*/,,'`
61
62# Don't run on litmus tests with complex synchronization
63if ! scripts/simpletest.sh $litmus
64then
65 echo ' --- ' error: \"$litmus\" contains locking, RCU, or SRCU
66 exit 254
67fi
68
69# Generate the assembly code and run herd7 on it.
70gen_theme7 -n 10 -map $mapfile -call Linux.call > $themefile
71jingle7 -v -theme $themefile $litmus > $LKMM_DESTDIR/$hwlitmus 2> $T/$hwlitmusfile.jingle7.out
72if grep -q "Generated 0 tests" $T/$hwlitmusfile.jingle7.out
73then
74 echo ' !!! ' jingle7 failed, errors in $hwlitmus.err
75 cp $T/$hwlitmusfile.jingle7.out $LKMM_DESTDIR/$hwlitmus.err
76 exit 253
77fi
78/usr/bin/time $LKMM_TIMEOUT_CMD herd7 -unroll 0 $LKMM_DESTDIR/$hwlitmus > $LKMM_DESTDIR/$hwlitmus.out 2>&1
79
80exit $?