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, you can access it online at
24# http://www.gnu.org/licenses/gpl-2.0.html.
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
35PATH=${KVM}/bin:$PATH; export PATH
36builddir="${KVM}/b1"
37RCU_INITRD="$KVM/initrd"; export RCU_INITRD
38RCU_KMAKE_ARG=""; export RCU_KMAKE_ARG
39resdir=""
40configs=""
41ds=`date +%Y.%m.%d-%H:%M:%S`
42kversion=""
43
44. functions.sh
45
46usage () {
47	echo "Usage: $scriptname optional arguments:"
48	echo "       --bootargs kernel-boot-arguments"
49	echo "       --builddir absolute-pathname"
50	echo "       --buildonly"
51	echo "       --configs \"config-file list\""
52	echo "       --datestamp string"
53	echo "       --duration minutes"
54	echo "       --interactive"
55	echo "       --kmake-arg kernel-make-arguments"
56	echo "       --kversion vN.NN"
57	echo "       --mac nn:nn:nn:nn:nn:nn"
58	echo "       --no-initrd"
59	echo "       --qemu-args qemu-system-..."
60	echo "       --qemu-cmd qemu-system-..."
61	echo "       --results absolute-pathname"
62	echo "       --relbuilddir relative-pathname"
63	exit 1
64}
65
66while test $# -gt 0
67do
68	case "$1" in
69	--bootargs)
70		checkarg --bootargs "(list of kernel boot arguments)" "$#" "$2" '.*' '^--'
71		RCU_BOOTARGS="$2"
72		shift
73		;;
74	--builddir)
75		checkarg --builddir "(absolute pathname)" "$#" "$2" '^/' '^error'
76		builddir=$2
77		gotbuilddir=1
78		shift
79		;;
80	--buildonly)
81		RCU_BUILDONLY=1; export RCU_BUILDONLY
82		;;
83	--configs)
84		checkarg --configs "(list of config files)" "$#" "$2" '^[^/]*$' '^--'
85		configs="$2"
86		shift
87		;;
88	--datestamp)
89		checkarg --datestamp "(relative pathname)" "$#" "$2" '^[^/]*$' '^--'
90		ds=$2
91		shift
92		;;
93	--duration)
94		checkarg --duration "(minutes)" $# "$2" '^[0-9]*$' '^error'
95		dur=$2
96		shift
97		;;
98	--interactive)
99		RCU_QEMU_INTERACTIVE=1; export RCU_QEMU_INTERACTIVE
100		;;
101	--kmake-arg)
102		checkarg --kmake-arg "(kernel make arguments)" $# "$2" '.*' '^error$'
103		RCU_KMAKE_ARG="$2"; export RCU_KMAKE_ARG
104		shift
105		;;
106	--kversion)
107		checkarg --kversion "(kernel version)" $# "$2" '^v[0-9.]*$' '^error'
108		kversion=$2
109		shift
110		;;
111	--mac)
112		checkarg --mac "(MAC address)" $# "$2" '^\([0-9a-fA-F]\{2\}:\)\{5\}[0-9a-fA-F]\{2\}$' error
113		RCU_QEMU_MAC=$2; export RCU_QEMU_MAC
114		shift
115		;;
116	--no-initrd)
117		RCU_INITRD=""; export RCU_INITRD
118		;;
119	--qemu-args)
120		checkarg --qemu-args "-qemu args" $# "$2" '^-' '^error'
121		RCU_QEMU_ARG="$2"
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 $1
143		usage
144		;;
145	esac
146	shift
147done
148
149CONFIGFRAG=${KVM}/configs; export CONFIGFRAG
150KVPATH=${CONFIGFRAG}/$kversion; export KVPATH
151
152if test -z "$configs"
153then
154	configs="`cat $CONFIGFRAG/$kversion/CFLIST`"
155fi
156
157if test -z "$resdir"
158then
159	resdir=$KVM/res
160	if ! test -e $resdir
161	then
162		mkdir $resdir || :
163	fi
164else
165	if ! test -e $resdir
166	then
167		mkdir -p "$resdir" || :
168	fi
169fi
170mkdir $resdir/$ds
171touch $resdir/$ds/log
172echo $scriptname $args >> $resdir/$ds/log
173
174pwd > $resdir/$ds/testid.txt
175if test -d .git
176then
177	git status >> $resdir/$ds/testid.txt
178	git rev-parse HEAD >> $resdir/$ds/testid.txt
179fi
180builddir=$KVM/b1
181if ! test -e $builddir
182then
183	mkdir $builddir || :
184fi
185
186for CF in $configs
187do
188	# Running TREE01 multiple times creates TREE01, TREE01.2, TREE01.3, ...
189	rd=$resdir/$ds/$CF
190	if test -d "${rd}"
191	then
192		n="`ls -d "${rd}"* | grep '\.[0-9]\+$' |
193			sed -e 's/^.*\.\([0-9]\+\)/\1/' |
194			sort -k1n | tail -1`"
195		if test -z "$n"
196		then
197			rd="${rd}.2"
198		else
199			n="`expr $n + 1`"
200			rd="${rd}.${n}"
201		fi
202	fi
203	mkdir "${rd}"
204	echo Results directory: $rd
205	kvm-test-1-rcu.sh $CONFIGFRAG/$kversion/$CF $builddir $rd $dur "-nographic $RCU_QEMU_ARG" "rcutorture.test_no_idle_hz=1 rcutorture.verbose=1 $RCU_BOOTARGS"
206done
207# Tracing: trace_event=rcu:rcu_grace_period,rcu:rcu_future_grace_period,rcu:rcu_grace_period_init,rcu:rcu_nocb_wake,rcu:rcu_preempt_task,rcu:rcu_unlock_preempted_task,rcu:rcu_quiescent_state_report,rcu:rcu_fqs,rcu:rcu_callback,rcu:rcu_kfree_callback,rcu:rcu_batch_start,rcu:rcu_invoke_callback,rcu:rcu_invoke_kfree_callback,rcu:rcu_batch_end,rcu:rcu_torture_read,rcu:rcu_barrier
208
209echo " --- `date` Test summary:"
210kvm-recheck.sh $resdir/$ds
211