1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0+
3#
4# Run SRCU-lockdep tests and report any that fail to meet expectations.
5#
6# Copyright (C) 2021 Meta Platforms, Inc.
7#
8# Authors: Paul E. McKenney <paulmck@kernel.org>
9
10usage () {
11	echo "Usage: $scriptname optional arguments:"
12	echo "       --datestamp string"
13	exit 1
14}
15
16ds=`date +%Y.%m.%d-%H.%M.%S`-srcu_lockdep
17scriptname="$0"
18
19T="`mktemp -d ${TMPDIR-/tmp}/srcu_lockdep.sh.XXXXXX`"
20trap 'rm -rf $T' 0
21
22RCUTORTURE="`pwd`/tools/testing/selftests/rcutorture"; export RCUTORTURE
23PATH=${RCUTORTURE}/bin:$PATH; export PATH
24. functions.sh
25
26while test $# -gt 0
27do
28	case "$1" in
29	--datestamp)
30		checkarg --datestamp "(relative pathname)" "$#" "$2" '^[a-zA-Z0-9._/-]*$' '^--'
31		ds=$2
32		shift
33		;;
34	*)
35		echo Unknown argument $1
36		usage
37		;;
38	esac
39	shift
40done
41
42err=
43nerrs=0
44for d in 0 1
45do
46	for t in 0 1 2
47	do
48		for c in 1 2 3
49		do
50			err=
51			val=$((d*1000+t*10+c))
52			tools/testing/selftests/rcutorture/bin/kvm.sh --allcpus --duration 5s --configs "SRCU-P" --bootargs "rcutorture.test_srcu_lockdep=$val" --trust-make --datestamp "$ds/$val" > "$T/kvm.sh.out" 2>&1
53			ret=$?
54			mv "$T/kvm.sh.out" "$RCUTORTURE/res/$ds/$val"
55			if test "$d" -ne 0 && test "$ret" -eq 0
56			then
57				err=1
58				echo -n Unexpected success for > "$RCUTORTURE/res/$ds/$val/kvm.sh.err"
59			fi
60			if test "$d" -eq 0 && test "$ret" -ne 0
61			then
62				err=1
63				echo -n Unexpected failure for > "$RCUTORTURE/res/$ds/$val/kvm.sh.err"
64			fi
65			if test -n "$err"
66			then
67				grep "rcu_torture_init_srcu_lockdep: test_srcu_lockdep = " "$RCUTORTURE/res/$ds/$val/SRCU-P/console.log" | sed -e 's/^.*rcu_torture_init_srcu_lockdep://' >> "$RCUTORTURE/res/$ds/$val/kvm.sh.err"
68				cat "$RCUTORTURE/res/$ds/$val/kvm.sh.err"
69				nerrs=$((nerrs+1))
70			fi
71		done
72	done
73done
74if test "$nerrs" -ne 0
75then
76	exit 1
77fi
78exit 0
79