name : kvm-test-1-run.sh #!/bin/bash # SPDX-License-Identifier: GPL-2.0+ # # Run a kvm-based test of the specified tree on the specified configs. # Fully automated run and error checking, no graphics console. # # Execute this in the source tree. Do not run it as a background task # because qemu does not seem to like that much. # # Usage: kvm-test-1-run.sh config resdir seconds qemu-args boot_args_in # # qemu-args defaults to "-enable-kvm -display none -no-reboot", along # with arguments specifying the number of CPUs # and other options generated from the underlying # CPU architecture. # boot_args_in defaults to value returned by the per_version_boot_params # shell function. # # Anything you specify for either qemu-args or boot_args_in is appended to # the default values. The "-smp" value is deduced from the contents of # the config fragment. # # More sophisticated argument parsing is clearly needed. # # Copyright (C) IBM Corporation, 2011 # # Authors: Paul E. McKenney <paulmck@linux.ibm.com> T="`mktemp -d ${TMPDIR-/tmp}/kvm-test-1-run.sh.XXXXXX`" trap 'rm -rf $T' 0 . functions.sh . $CONFIGFRAG/ver_functions.sh config_template=${1} config_dir=`echo $config_template | sed -e 's,/[^/]*$,,'` title=`echo $config_template | sed -e 's/^.*\///'` resdir=${2} if test -z "$resdir" -o ! -d "$resdir" -o ! -w "$resdir" then echo "kvm-test-1-run.sh :$resdir: Not a writable directory, cannot store results into it" exit 1 fi echo ' ---' `date`: Starting build, PID $$ echo ' ---' Kconfig fragment at: $config_template >> $resdir/log touch $resdir/ConfigFragment.input # Combine additional Kconfig options into an existing set such that # newer options win. The first argument is the Kconfig source ID, the # second the to-be-updated file within $T, and the third and final the # list of additional Kconfig options. Note that a $2.tmp file is # created when doing the update. config_override_param () { if test -n "$3" then echo $3 | sed -e 's/^ *//' -e 's/ *$//' | tr -s " " "\012" > $T/Kconfig_args echo " --- $1" >> $resdir/ConfigFragment.input cat $T/Kconfig_args >> $resdir/ConfigFragment.input config_override.sh $T/$2 $T/Kconfig_args > $T/$2.tmp mv $T/$2.tmp $T/$2 fi } echo > $T/KcList config_override_param "$config_dir/CFcommon" KcList "`cat $config_dir/CFcommon 2> /dev/null`" config_override_param "$config_template" KcList "`cat $config_template 2> /dev/null`" config_override_param "--gdb options" KcList "$TORTURE_KCONFIG_GDB_ARG" config_override_param "--kasan options" KcList "$TORTURE_KCONFIG_KASAN_ARG" config_override_param "--kcsan options" KcList "$TORTURE_KCONFIG_KCSAN_ARG" config_override_param "--kconfig argument" KcList "$TORTURE_KCONFIG_ARG" cp $T/KcList $resdir/ConfigFragment base_resdir=`echo $resdir | sed -e 's/\.[0-9]\+$//'` if test "$base_resdir" != "$resdir" && test -f $base_resdir/bzImage && test -f $base_resdir/vmlinux then # Rerunning previous test, so use that test's kernel. QEMU="`identify_qemu $base_resdir/vmlinux`" BOOT_IMAGE="`identify_boot_image $QEMU`" KERNEL=$base_resdir/${BOOT_IMAGE##*/} # use the last component of ${BOOT_IMAGE} ln -s $base_resdir/Make*.out $resdir # for kvm-recheck.sh ln -s $base_resdir/.config $resdir # for kvm-recheck.sh # Arch-independent indicator touch $resdir/builtkernel elif test "$base_resdir" != "$resdir" then # Rerunning previous test for which build failed ln -s $base_resdir/Make*.out $resdir # for kvm-recheck.sh ln -s $base_resdir/.config $resdir # for kvm-recheck.sh echo Initial build failed, not running KVM, see $resdir. if test -f $resdir/build.wait then mv $resdir/build.wait $resdir/build.ready fi exit 1 elif kvm-build.sh $T/KcList $resdir then # Had to build a kernel for this test. QEMU="`identify_qemu vmlinux`" BOOT_IMAGE="`identify_boot_image $QEMU`" cp vmlinux $resdir cp .config $resdir cp Module.symvers $resdir > /dev/null || : cp System.map $resdir > /dev/null || : if test -n "$BOOT_IMAGE" then cp $BOOT_IMAGE $resdir KERNEL=$resdir/${BOOT_IMAGE##*/} # Arch-independent indicator touch $resdir/builtkernel else echo No identifiable boot image, not running KVM, see $resdir. echo Do the torture scripts know about your architecture? fi parse-build.sh $resdir/Make.out $title else # Build failed. cp .config $resdir || : echo Build failed, not running KVM, see $resdir. if test -f $resdir/build.wait then mv $resdir/build.wait $resdir/build.ready fi exit 1 fi if test -f $resdir/build.wait then mv $resdir/build.wait $resdir/build.ready fi while test -f $resdir/build.ready do sleep 1 done seconds=$3 qemu_args=$4 boot_args_in=$5 if test -z "$TORTURE_BUILDONLY" then echo ' ---' `date`: Starting kernel fi # Generate -smp qemu argument. qemu_args="-enable-kvm -display none -no-reboot $qemu_args" cpu_count=`configNR_CPUS.sh $resdir/ConfigFragment` cpu_count=`configfrag_boot_cpus "$boot_args_in" "$config_template" "$cpu_count"` if test "$cpu_count" -gt "$TORTURE_ALLOTED_CPUS" then echo CPU count limited from $cpu_count to $TORTURE_ALLOTED_CPUS | tee -a $resdir/Warnings cpu_count=$TORTURE_ALLOTED_CPUS fi qemu_args="`specify_qemu_cpus "$QEMU" "$qemu_args" "$cpu_count"`" qemu_args="`specify_qemu_net "$qemu_args"`" # Generate architecture-specific and interaction-specific qemu arguments qemu_args="$qemu_args `identify_qemu_args "$QEMU" "$resdir/console.log"`" # Generate qemu -append arguments qemu_append="`identify_qemu_append "$QEMU"`" # Pull in Kconfig-fragment boot parameters boot_args="`configfrag_boot_params "$boot_args_in" "$config_template"`" # Generate kernel-version-specific boot parameters boot_args="`per_version_boot_params "$boot_args" $resdir/.config $seconds`" if test -n "$TORTURE_BOOT_GDB_ARG" then boot_args="$TORTURE_BOOT_GDB_ARG $boot_args" fi # Give bare-metal advice modprobe_args="`echo $boot_args | tr -s ' ' '\012' | grep "^$TORTURE_MOD\." | sed -e "s/$TORTURE_MOD\.//g"`" kboot_args="`echo $boot_args | tr -s ' ' '\012' | grep -v "^$TORTURE_MOD\."`" testid_txt="`dirname $resdir`/testid.txt" touch $resdir/bare-metal echo To run this scenario on bare metal: >> $resdir/bare-metal echo >> $resdir/bare-metal echo " 1." Set your bare-metal build tree to the state shown in this file: >> $resdir/bare-metal echo " " $testid_txt >> $resdir/bare-metal echo " 2." Update your bare-metal build tree"'"s .config based on this file: >> $resdir/bare-metal echo " " $resdir/ConfigFragment >> $resdir/bare-metal echo " 3." Make the bare-metal kernel"'"s build system aware of your .config updates: >> $resdir/bare-metal echo " " $ 'yes "" | make oldconfig' >> $resdir/bare-metal echo " 4." Build your bare-metal kernel. >> $resdir/bare-metal echo " 5." Boot your bare-metal kernel with the following parameters: >> $resdir/bare-metal echo " " $kboot_args >> $resdir/bare-metal echo " 6." Start the test with the following command: >> $resdir/bare-metal echo " " $ modprobe $TORTURE_MOD $modprobe_args >> $resdir/bare-metal echo " 7." After some time, end the test with the following command: >> $resdir/bare-metal echo " " $ rmmod $TORTURE_MOD >> $resdir/bare-metal echo " 8." Copy your bare-metal kernel"'"s .config file, overwriting this file: >> $resdir/bare-metal echo " " $resdir/.config >> $resdir/bare-metal echo " 9." Copy the console output from just before the modprobe to just after >> $resdir/bare-metal echo " " the rmmod into this file: >> $resdir/bare-metal echo " " $resdir/console.log >> $resdir/bare-metal echo "10." Check for runtime errors using the following command: >> $resdir/bare-metal echo " " $ tools/testing/selftests/rcutorture/bin/kvm-recheck.sh `dirname $resdir` >> $resdir/bare-metal echo >> $resdir/bare-metal echo Some of the above steps may be skipped if you build your bare-metal >> $resdir/bare-metal echo kernel here: `head -n 1 $testid_txt | sed -e 's/^Build directory: //'` >> $resdir/bare-metal echo $QEMU $qemu_args -m $TORTURE_QEMU_MEM -kernel $KERNEL -append \"$qemu_append $boot_args\" $TORTURE_QEMU_GDB_ARG > $resdir/qemu-cmd echo "# TORTURE_SHUTDOWN_GRACE=$TORTURE_SHUTDOWN_GRACE" >> $resdir/qemu-cmd echo "# seconds=$seconds" >> $resdir/qemu-cmd echo "# TORTURE_KCONFIG_GDB_ARG=\"$TORTURE_KCONFIG_GDB_ARG\"" >> $resdir/qemu-cmd echo "# TORTURE_JITTER_START=\"$TORTURE_JITTER_START\"" >> $resdir/qemu-cmd echo "# TORTURE_JITTER_STOP=\"$TORTURE_JITTER_STOP\"" >> $resdir/qemu-cmd echo "# TORTURE_TRUST_MAKE=\"$TORTURE_TRUST_MAKE\"; export TORTURE_TRUST_MAKE" >> $resdir/qemu-cmd echo "# TORTURE_CPU_COUNT=$cpu_count" >> $resdir/qemu-cmd if test -n "$TORTURE_BUILDONLY" then echo Build-only run specified, boot/test omitted. touch $resdir/buildonly exit 0 fi kvm-test-1-run-qemu.sh $resdir parse-console.sh $resdir/console.log $title