1 #!/bin/bash 2 # 3 # Run a kvm-based test of the specified tree on the specified configs. 4 # Fully automated run and error checking, no graphics console. 5 # 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. 8 # 9 # Usage: kvm-test-1-run.sh config builddir resdir seconds qemu-args boot_args 10 # 11 # qemu-args defaults to "-enable-kvm -nographic", along with arguments 12 # specifying the number of CPUs and other options 13 # generated from the underlying CPU architecture. 14 # boot_args defaults to value returned by the per_version_boot_params 15 # shell function. 16 # 17 # Anything you specify for either qemu-args or boot_args is appended to 18 # the default values. The "-smp" value is deduced from the contents of 19 # the config fragment. 20 # 21 # More sophisticated argument parsing is clearly needed. 22 # 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. 27 # 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. 32 # 33 # You should have received a copy of the GNU General Public License 34 # along with this program; if not, you can access it online at 35 # http://www.gnu.org/licenses/gpl-2.0.html. 36 # 37 # Copyright (C) IBM Corporation, 2011 38 # 39 # Authors: Paul E. McKenney <paulmck (at] linux.vnet.ibm.com> 40 41 T=/tmp/kvm-test-1-run.sh.$$ 42 trap 'rm -rf $T' 0 43 touch $T 44 45 . $KVM/bin/functions.sh 46 . $CONFIGFRAG/ver_functions.sh 47 48 config_template=${1} 49 config_dir=`echo $config_template | sed -e 's,/[^/]*$,,'` 50 title=`echo $config_template | sed -e 's/^.*\///'` 51 builddir=${2} 52 if test -z "$builddir" -o ! -d "$builddir" -o ! -w "$builddir" 53 then 54 echo "kvm-test-1-run.sh :$builddir: Not a writable directory, cannot build into it" 55 exit 1 56 fi 57 resdir=${3} 58 if test -z "$resdir" -o ! -d "$resdir" -o ! -w "$resdir" 59 then 60 echo "kvm-test-1-run.sh :$resdir: Not a writable directory, cannot store results into it" 61 exit 1 62 fi 63 cp $config_template $resdir/ConfigFragment 64 echo ' ---' `date`: Starting build 65 echo ' ---' Kconfig fragment at: $config_template >> $resdir/log 66 if test -r "$config_dir/CFcommon" 67 then 68 cat < $config_dir/CFcommon >> $T 69 fi 70 # Optimizations below this point 71 # CONFIG_USB=n 72 # CONFIG_SECURITY=n 73 # CONFIG_NFS_FS=n 74 # CONFIG_SOUND=n 75 # CONFIG_INPUT_JOYSTICK=n 76 # CONFIG_INPUT_TABLET=n 77 # CONFIG_INPUT_TOUCHSCREEN=n 78 # CONFIG_INPUT_MISC=n 79 # CONFIG_INPUT_MOUSE=n 80 # # CONFIG_NET=n # disables console access, so accept the slower build. 81 # CONFIG_SCSI=n 82 # CONFIG_ATA=n 83 # CONFIG_FAT_FS=n 84 # CONFIG_MSDOS_FS=n 85 # CONFIG_VFAT_FS=n 86 # CONFIG_ISO9660_FS=n 87 # CONFIG_QUOTA=n 88 # CONFIG_HID=n 89 # CONFIG_CRYPTO=n 90 # CONFIG_PCCARD=n 91 # CONFIG_PCMCIA=n 92 # CONFIG_CARDBUS=n 93 # CONFIG_YENTA=n 94 base_resdir=`echo $resdir | sed -e 's/\.[0-9]\+$//'` 95 if test "$base_resdir" != "$resdir" -a -f $base_resdir/bzImage -a -f $base_resdir/vmlinux 96 then 97 # Rerunning previous test, so use that test's kernel. 98 QEMU="`identify_qemu $base_resdir/vmlinux`" 99 BOOT_IMAGE="`identify_boot_image $QEMU`" 100 KERNEL=$base_resdir/${BOOT_IMAGE##*/} # use the last component of ${BOOT_IMAGE} 101 ln -s $base_resdir/Make*.out $resdir # for kvm-recheck.sh 102 ln -s $base_resdir/.config $resdir # for kvm-recheck.sh 103 elif kvm-build.sh $config_template $builddir $T 104 then 105 # Had to build a kernel for this test. 106 QEMU="`identify_qemu $builddir/vmlinux`" 107 BOOT_IMAGE="`identify_boot_image $QEMU`" 108 cp $builddir/Make*.out $resdir 109 cp $builddir/vmlinux $resdir 110 cp $builddir/.config $resdir 111 if test -n "$BOOT_IMAGE" 112 then 113 cp $builddir/$BOOT_IMAGE $resdir 114 KERNEL=$resdir/${BOOT_IMAGE##*/} 115 else 116 echo No identifiable boot image, not running KVM, see $resdir. 117 echo Do the torture scripts know about your architecture? 118 fi 119 parse-build.sh $resdir/Make.out $title 120 else 121 # Build failed. 122 cp $builddir/Make*.out $resdir 123 cp $builddir/.config $resdir || : 124 echo Build failed, not running KVM, see $resdir. 125 if test -f $builddir.wait 126 then 127 mv $builddir.wait $builddir.ready 128 fi 129 exit 1 130 fi 131 if test -f $builddir.wait 132 then 133 mv $builddir.wait $builddir.ready 134 fi 135 while test -f $builddir.ready 136 do 137 sleep 1 138 done 139 seconds=$4 140 qemu_args=$5 141 boot_args=$6 142 143 cd $KVM 144 kstarttime=`awk 'BEGIN { print systime() }' < /dev/null` 145 if test -z "$TORTURE_BUILDONLY" 146 then 147 echo ' ---' `date`: Starting kernel 148 fi 149 150 # Generate -smp qemu argument. 151 qemu_args="-enable-kvm -nographic $qemu_args" 152 cpu_count=`configNR_CPUS.sh $config_template` 153 cpu_count=`configfrag_boot_cpus "$boot_args" "$config_template" "$cpu_count"` 154 vcpus=`identify_qemu_vcpus` 155 if test $cpu_count -gt $vcpus 156 then 157 echo CPU count limited from $cpu_count to $vcpus 158 touch $resdir/Warnings 159 echo CPU count limited from $cpu_count to $vcpus >> $resdir/Warnings 160 cpu_count=$vcpus 161 fi 162 qemu_args="`specify_qemu_cpus "$QEMU" "$qemu_args" "$cpu_count"`" 163 164 # Generate architecture-specific and interaction-specific qemu arguments 165 qemu_args="$qemu_args `identify_qemu_args "$QEMU" "$resdir/console.log"`" 166 167 # Generate qemu -append arguments 168 qemu_append="`identify_qemu_append "$QEMU"`" 169 170 # Pull in Kconfig-fragment boot parameters 171 boot_args="`configfrag_boot_params "$boot_args" "$config_template"`" 172 # Generate kernel-version-specific boot parameters 173 boot_args="`per_version_boot_params "$boot_args" $builddir/.config $seconds`" 174 175 if test -n "$TORTURE_BUILDONLY" 176 then 177 echo Build-only run specified, boot/test omitted. 178 touch $resdir/buildonly 179 exit 0 180 fi 181 echo "NOTE: $QEMU either did not run or was interactive" > $resdir/console.log 182 echo $QEMU $qemu_args -m 512 -kernel $KERNEL -append \"$qemu_append $boot_args\" > $resdir/qemu-cmd 183 ( $QEMU $qemu_args -m 512 -kernel $KERNEL -append "$qemu_append $boot_args"& echo $! > $resdir/qemu_pid; wait `cat $resdir/qemu_pid`; echo $? > $resdir/qemu-retval ) & 184 commandcompleted=0 185 sleep 10 # Give qemu's pid a chance to reach the file 186 if test -s "$resdir/qemu_pid" 187 then 188 qemu_pid=`cat "$resdir/qemu_pid"` 189 echo Monitoring qemu job at pid $qemu_pid 190 else 191 qemu_pid="" 192 echo Monitoring qemu job at yet-as-unknown pid 193 fi 194 while : 195 do 196 if test -z "$qemu_pid" -a -s "$resdir/qemu_pid" 197 then 198 qemu_pid=`cat "$resdir/qemu_pid"` 199 fi 200 kruntime=`awk 'BEGIN { print systime() - '"$kstarttime"' }' < /dev/null` 201 if test -z "$qemu_pid" || kill -0 "$qemu_pid" > /dev/null 2>&1 202 then 203 if test $kruntime -ge $seconds 204 then 205 break; 206 fi 207 sleep 1 208 else 209 commandcompleted=1 210 if test $kruntime -lt $seconds 211 then 212 echo Completed in $kruntime vs. $seconds >> $resdir/Warnings 2>&1 213 grep "^(qemu) qemu:" $resdir/kvm-test-1-run.sh.out >> $resdir/Warnings 2>&1 214 killpid="`sed -n "s/^(qemu) qemu: terminating on signal [0-9]* from pid \([0-9]*\).*$/\1/p" $resdir/Warnings`" 215 if test -n "$killpid" 216 then 217 echo "ps -fp $killpid" >> $resdir/Warnings 2>&1 218 ps -fp $killpid >> $resdir/Warnings 2>&1 219 fi 220 else 221 echo ' ---' `date`: "Kernel done" 222 fi 223 break 224 fi 225 done 226 if test -z "$qemu_pid" -a -s "$resdir/qemu_pid" 227 then 228 qemu_pid=`cat "$resdir/qemu_pid"` 229 fi 230 if test $commandcompleted -eq 0 -a -n "$qemu_pid" 231 then 232 echo Grace period for qemu job at pid $qemu_pid 233 oldline="`tail $resdir/console.log`" 234 while : 235 do 236 kruntime=`awk 'BEGIN { print systime() - '"$kstarttime"' }' < /dev/null` 237 if kill -0 $qemu_pid > /dev/null 2>&1 238 then 239 : 240 else 241 break 242 fi 243 must_continue=no 244 newline="`tail $resdir/console.log`" 245 if test "$newline" != "$oldline" && echo $newline | grep -q ' [0-9]\+us : ' 246 then 247 must_continue=yes 248 fi 249 last_ts="`tail $resdir/console.log | grep '^\[ *[0-9]\+\.[0-9]\+]' | tail -1 | sed -e 's/^\[ *//' -e 's/\..*$//'`" 250 if test -z "last_ts" 251 then 252 last_ts=0 253 fi 254 if test "$newline" != "$oldline" -a "$last_ts" -lt $((seconds + $TORTURE_SHUTDOWN_GRACE)) 255 then 256 must_continue=yes 257 fi 258 if test $must_continue = no -a $kruntime -ge $((seconds + $TORTURE_SHUTDOWN_GRACE)) 259 then 260 echo "!!! PID $qemu_pid hung at $kruntime vs. $seconds seconds" >> $resdir/Warnings 2>&1 261 kill -KILL $qemu_pid 262 break 263 fi 264 oldline=$newline 265 sleep 10 266 done 267 elif test -z "$qemu_pid" 268 then 269 echo Unknown PID, cannot kill qemu command 270 fi 271 272 parse-torture.sh $resdir/console.log $title 273 parse-console.sh $resdir/console.log $title 274
