3 # Run a kvm-based test of the specified tree on the specified configs.
4 # Fully automated run and error checking, no graphics console.
6 # Execute this in the source tree. Do not run it as a background task
7 # because qemu does not seem to like that much.
9 # Usage: sh kvm-test-1-rcu.sh config builddir resdir minutes qemu-args bootargs
11 # qemu-args defaults to "" -- you will want "-nographic" if running headless.
12 # bootargs defaults to "root=/dev/sda noapic selinux=0 console=ttyS0"
13 # "initcall_debug debug rcutorture.stat_interval=15"
14 # "rcutorture.shutdown_secs=$((minutes * 60))"
15 # "rcutorture.rcutorture_runnable=1"
17 # Anything you specify for either qemu-args or bootargs is appended to
18 # the default values. The "-smp" value is deduced from the contents of
19 # the config fragment.
21 # More sophisticated argument parsing is clearly needed.
23 # This program is free software; you can redistribute it and/or modify
24 # it under the terms of the GNU General Public License as published by
25 # the Free Software Foundation; either version 2 of the License, or
26 # (at your option) any later version.
28 # This program is distributed in the hope that it will be useful,
29 # but WITHOUT ANY WARRANTY; without even the implied warranty of
30 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
31 # GNU General Public License for more details.
33 # You should have received a copy of the GNU General Public License
34 # along with this program; if not, write to the Free Software
35 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
37 # Copyright (C) IBM Corporation, 2011
39 # Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
43 T=/tmp/kvm-test-1-rcu.sh.$$
46 . $KVM/bin/functions.sh
47 . $KVPATH/ver_functions.sh
50 title=`echo $config_template | sed -e 's/^.*\///'`
52 if test -z "$builddir" -o ! -d "$builddir" -o ! -w "$builddir"
54 echo "kvm-test-1-rcu.sh :$builddir: Not a writable directory, cannot build into it"
58 if test -z "$resdir" -o ! -d "$resdir" -o ! -w "$resdir"
60 echo "kvm-test-1-rcu.sh :$resdir: Not a writable directory, cannot build into it"
63 cp $config_template $resdir/ConfigFragment
64 echo ' ---' `date`: Starting build
65 echo ' ---' Kconfig fragment at: $config_template
66 cat << '___EOF___' >> $T
67 CONFIG_RCU_TORTURE_TEST=y
69 # Optimizations below this point
74 # CONFIG_INPUT_JOYSTICK=n
75 # CONFIG_INPUT_TABLET=n
76 # CONFIG_INPUT_TOUCHSCREEN=n
78 # CONFIG_INPUT_MOUSE=n
79 # # CONFIG_NET=n # disables console access, so accept the slower build.
93 if kvm-build.sh $config_template $builddir $T
95 cp $builddir/Make*.out $resdir
96 cp $builddir/.config $resdir
97 cp $builddir/arch/x86/boot/bzImage $resdir
98 parse-build.sh $resdir/Make.out $title
100 cp $builddir/Make*.out $resdir
101 echo Build failed, not running KVM, see $resdir.
105 seconds=$(($minutes * 60))
110 kstarttime=`awk 'BEGIN { print systime() }' < /dev/null`
111 echo ' ---' `date`: Starting kernel
112 if file linux-2.6/*.o | grep -q 64-bit
114 QEMU=qemu-system-x86_64
116 QEMU=qemu-system-i386
119 # Generate -smp qemu argument.
120 cpu_count=`configNR_CPUS.sh $config_template`
121 ncpus=`grep '^processor' /proc/cpuinfo | wc -l`
122 if test $cpu_count -gt $ncpus
124 echo CPU count limited from $cpu_count to $ncpus
125 touch $resdir/Warnings
126 echo CPU count limited from $cpu_count to $ncpus >> $resdir/Warnings
129 if echo $qemu_args | grep -q -e -smp
131 echo CPU count specified by caller
133 qemu_args="$qemu_args -smp $cpu_count"
136 # Generate CPU-hotplug boot parameters
137 boot_args="`rcutorture_param_onoff "$boot_args" $builddir/.config`"
138 # Generate rcu_barrier() boot parameter
139 boot_args="`rcutorture_param_n_barrier_cbs "$boot_args"`"
140 # Pull in Kconfig-fragment boot parameters
141 boot_args="`configfrag_boot_params "$boot_args" "$config_template"`"
143 echo $QEMU -name rcu-test -serial file:$builddir/console.log $qemu_args -m 512 -kernel $builddir/arch/x86/boot/bzImage -append \"noapic selinux=0 console=ttyS0 initcall_debug debug rcutorture.stat_interval=15 rcutorture.shutdown_secs=$seconds rcutorture.rcutorture_runnable=1 $boot_args\" > $resdir/qemu-cmd
144 $QEMU -name rcu-test -serial file:$builddir/console.log $qemu_args -m 512 -kernel $builddir/arch/x86/boot/bzImage -append "noapic selinux=0 console=ttyS0 initcall_debug debug rcutorture.stat_interval=15 rcutorture.shutdown_secs=$seconds rcutorture.rcutorture_runnable=1 $boot_args" &
147 echo Monitoring qemu job at pid $qemu_pid
148 for ((i=0;i<$seconds;i++))
150 if kill -0 $qemu_pid > /dev/null 2>&1
155 kruntime=`awk 'BEGIN { print systime() - '"$kstarttime"' }' < /dev/null`
156 if test $kruntime -lt $seconds
158 echo Completed in $kruntime vs. $seconds >> $resdir/Warnings 2>&1
160 echo ' ---' `date`: Kernel done
165 if test $commandcompleted -eq 0
167 echo Grace period for qemu job at pid $qemu_pid
168 for ((i=0;i<=$grace;i++))
170 if kill -0 $qemu_pid > /dev/null 2>&1
176 if test $i -eq $grace
178 kruntime=`awk 'BEGIN { print systime() - '"$kstarttime"' }'`
179 echo "!!! Hang at $kruntime vs. $seconds seconds" >> $resdir/Warnings 2>&1
185 cp $builddir/console.log $resdir
186 parse-rcutorture.sh $resdir/console.log $title >> $resdir/Warnings 2>&1
187 parse-console.sh $resdir/console.log $title >> $resdir/Warnings 2>&1