1#!/bin/bash
2#
3# Run a series of 14 tests under KVM.  These are not particularly
4# well-selected or well-tuned, but are the current set.  Run from the
5# top level of the source tree.
6#
7# Edit the definitions below to set the locations of the various directories,
8# as well as the test duration.
9#
10# Usage: sh kvm.sh [ options ]
11#
12# This program is free software; you can redistribute it and/or modify
13# it under the terms of the GNU General Public License as published by
14# the Free Software Foundation; either version 2 of the License, or
15# (at your option) any later version.
16#
17# This program is distributed in the hope that it will be useful,
18# but WITHOUT ANY WARRANTY; without even the implied warranty of
19# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20# GNU General Public License for more details.
21#
22# You should have received a copy of the GNU General Public License
23# along with this program; if not, write to the Free Software
24# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
25#
26# Copyright (C) IBM Corporation, 2011
27#
28# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
29
30scriptname=$0
31args="$*"
32
33dur=30
34KVM=`pwd`/tools/testing/selftests/rcutorture; export KVM
35builddir=${KVM}/b1
36resdir=""
37configs=""
38ds=`date +%Y.%m.%d-%H:%M:%S`
39kversion=""
40
41usage () {
42	echo "Usage: $scriptname optional arguments:"
43	echo "       --bootargs kernel-boot-arguments"
44	echo "       --builddir absolute-pathname"
45	echo "       --buildonly"
46	echo "       --configs \"config-file list\""
47	echo "       --datestamp string"
48	echo "       --duration minutes"
49	echo "       --interactive"
50	echo "       --kversion vN.NN"
51	echo "       --mac nn:nn:nn:nn:nn:nn"
52	echo "       --qemu-cmd qemu-system-..."
53	echo "       --results absolute-pathname"
54	echo "       --relbuilddir relative-pathname"
55	exit 1
56}
57
58# checkarg --argname argtype $# arg mustmatch cannotmatch
59checkarg () {
60	if test $3 -le 1
61	then
62		echo $1 needs argument $2 matching \"$5\"
63		usage
64	fi
65	if echo "$4" | grep -q -e "$5"
66	then
67		:
68	else
69		echo $1 $2 \"$4\" must match \"$5\"
70		usage
71	fi
72	if echo "$4" | grep -q -e "$6"
73	then
74		echo $1 $2 \"$4\" must not match \"$6\"
75		usage
76	fi
77}
78
79while test $# -gt 0
80do
81	case "$1" in
82	--bootargs)
83		checkarg --bootargs "(list of kernel boot arguments)" "$#" "$2" '.*' '^--'
84		RCU_BOOTARGS="$2"
85		shift
86		;;
87	--builddir)
88		checkarg --builddir "(absolute pathname)" "$#" "$2" '^/' error
89		builddir=$2
90		gotbuilddir=1
91		shift
92		;;
93	--buildonly)
94		RCU_BUILDONLY=1; export RCU_BUILDONLY
95		;;
96	--configs)
97		checkarg --configs "(list of config files)" "$#" "$2" '^[^/]*$' '^--'
98		configs="$2"
99		shift
100		;;
101	--datestamp)
102		checkarg --datestamp "(relative pathname)" "$#" "$2" '^[^/]*$' '^--'
103		ds=$2
104		shift
105		;;
106	--duration)
107		checkarg --duration "(minutes)" $# "$2" '^[0-9]*$' error
108		dur=$2
109		shift
110		;;
111	--interactive)
112		RCU_QEMU_INTERACTIVE=1; export RCU_QEMU_INTERACTIVE
113		;;
114	--kversion)
115		checkarg --kversion "(kernel version)" $# "$2" '^v[0-9.]*$' error
116		kversion=$2
117		shift
118		;;
119	--mac)
120		checkarg --mac "(MAC address)" $# "$2" '^\([0-9a-fA-F]\{2\}:\)\{5\}[0-9a-fA-F]\{2\}$' error
121		RCU_QEMU_MAC=$2; export RCU_QEMU_MAC
122		shift
123		;;
124	--qemu-cmd)
125		checkarg --qemu-cmd "(qemu-system-...)" $# "$2" 'qemu-system-' '^--'
126		RCU_QEMU_CMD="$2"; export RCU_QEMU_CMD
127		shift
128		;;
129	--relbuilddir)
130		checkarg --relbuilddir "(relative pathname)" "$#" "$2" '^[^/]*$' '^--'
131		relbuilddir=$2
132		gotrelbuilddir=1
133		builddir=${KVM}/${relbuilddir}
134		shift
135		;;
136	--results)
137		checkarg --results "(absolute pathname)" "$#" "$2" '^/' error
138		resdir=$2
139		shift
140		;;
141	*)
142		echo Unknown argument $1
143		usage
144		;;
145	esac
146	shift
147done
148
149PATH=${KVM}/bin:$PATH; export PATH
150CONFIGFRAG=${KVM}/configs; export CONFIGFRAG
151KVPATH=${CONFIGFRAG}/$kversion; export KVPATH
152
153if test -z "$configs"
154then
155	configs="`cat $CONFIGFRAG/$kversion/CFLIST`"
156fi
157
158if test -z "$resdir"
159then
160	resdir=$KVM/res
161	if ! test -e $resdir
162	then
163		mkdir $resdir || :
164	fi
165else
166	if ! test -e $resdir
167	then
168		mkdir -p "$resdir" || :
169	fi
170fi
171mkdir $resdir/$ds
172touch $resdir/$ds/log
173echo $scriptname $args >> $resdir/$ds/log
174
175pwd > $resdir/$ds/testid.txt
176if test -d .git
177then
178	git status >> $resdir/$ds/testid.txt
179	git rev-parse HEAD >> $resdir/$ds/testid.txt
180fi
181builddir=$KVM/b1
182if ! test -e $builddir
183then
184	mkdir $builddir || :
185fi
186
187for CF in $configs
188do
189	rd=$resdir/$ds/$CF
190	mkdir $rd || :
191	echo Results directory: $rd
192	kvm-test-1-rcu.sh $CONFIGFRAG/$kversion/$CF $builddir $rd $dur "-nographic" "rcutorture.test_no_idle_hz=1 rcutorture.verbose=1 $RCU_BOOTARGS"
193done
194# Tracing: trace_event=rcu:rcu_nocb_grace_period,rcu:rcu_grace_period,rcu:rcu_grace_period_init,rcu:rcu_quiescent_state_report,rcu:rcu_fqs,rcu:rcu_callback,rcu:rcu_torture_read,rcu:rcu_invoke_callback,rcu:rcu_fqs,rcu:rcu_dyntick,rcu:rcu_unlock_preempted_task
195