1#!/bin/bash 2# SPDX-License-Identifier: GPL-2.0+ 3# 4# Run a kvm-based test of the specified tree on the specified configs. 5# Fully automated run and error checking, no graphics console. 6# 7# Execute this in the source tree. Do not run it as a background task 8# because qemu does not seem to like that much. 9# 10# Usage: kvm-test-1-run.sh config builddir resdir seconds qemu-args boot_args 11# 12# qemu-args defaults to "-enable-kvm -nographic", along with arguments 13# specifying the number of CPUs and other options 14# generated from the underlying CPU architecture. 15# boot_args defaults to value returned by the per_version_boot_params 16# shell function. 17# 18# Anything you specify for either qemu-args or boot_args is appended to 19# the default values. The "-smp" value is deduced from the contents of 20# the config fragment. 21# 22# More sophisticated argument parsing is clearly needed. 23# 24# Copyright (C) IBM Corporation, 2011 25# 26# Authors: Paul E. McKenney <paulmck@linux.ibm.com> 27 28T=${TMPDIR-/tmp}/kvm-test-1-run.sh.$$ 29trap 'rm -rf $T' 0 30mkdir $T 31 32. functions.sh 33. $CONFIGFRAG/ver_functions.sh 34 35config_template=${1} 36config_dir=`echo $config_template | sed -e 's,/[^/]*$,,'` 37title=`echo $config_template | sed -e 's/^.*\///'` 38builddir=${2} 39resdir=${3} 40if test -z "$resdir" -o ! -d "$resdir" -o ! -w "$resdir" 41then 42 echo "kvm-test-1-run.sh :$resdir: Not a writable directory, cannot store results into it" 43 exit 1 44fi 45echo ' ---' `date`: Starting build 46echo ' ---' Kconfig fragment at: $config_template >> $resdir/log 47touch $resdir/ConfigFragment.input 48 49# Combine additional Kconfig options into an existing set such that 50# newer options win. The first argument is the Kconfig source ID, the 51# second the to-be-updated file within $T, and the third and final the 52# list of additional Kconfig options. Note that a $2.tmp file is 53# created when doing the update. 54config_override_param () { 55 if test -n "$3" 56 then 57 echo $3 | sed -e 's/^ *//' -e 's/ *$//' | tr -s " " "\012" > $T/Kconfig_args 58 echo " --- $1" >> $resdir/ConfigFragment.input 59 cat $T/Kconfig_args >> $resdir/ConfigFragment.input 60 config_override.sh $T/$2 $T/Kconfig_args > $T/$2.tmp 61 mv $T/$2.tmp $T/$2 62 # Note that "#CHECK#" is not permitted on commandline. 63 fi 64} 65 66echo > $T/KcList 67config_override_param "$config_dir/CFcommon" KcList "`cat $config_dir/CFcommon 2> /dev/null`" 68config_override_param "$config_template" KcList "`cat $config_template 2> /dev/null`" 69config_override_param "--kasan options" KcList "$TORTURE_KCONFIG_KASAN_ARG" 70config_override_param "--kcsan options" KcList "$TORTURE_KCONFIG_KCSAN_ARG" 71config_override_param "--kconfig argument" KcList "$TORTURE_KCONFIG_ARG" 72cp $T/KcList $resdir/ConfigFragment 73 74base_resdir=`echo $resdir | sed -e 's/\.[0-9]\+$//'` 75if test "$base_resdir" != "$resdir" -a -f $base_resdir/bzImage -a -f $base_resdir/vmlinux 76then 77 # Rerunning previous test, so use that test's kernel. 78 QEMU="`identify_qemu $base_resdir/vmlinux`" 79 BOOT_IMAGE="`identify_boot_image $QEMU`" 80 KERNEL=$base_resdir/${BOOT_IMAGE##*/} # use the last component of ${BOOT_IMAGE} 81 ln -s $base_resdir/Make*.out $resdir # for kvm-recheck.sh 82 ln -s $base_resdir/.config $resdir # for kvm-recheck.sh 83 # Arch-independent indicator 84 touch $resdir/builtkernel 85elif kvm-build.sh $T/KcList $resdir 86then 87 # Had to build a kernel for this test. 88 QEMU="`identify_qemu vmlinux`" 89 BOOT_IMAGE="`identify_boot_image $QEMU`" 90 cp vmlinux $resdir 91 cp .config $resdir 92 cp Module.symvers $resdir > /dev/null || : 93 cp System.map $resdir > /dev/null || : 94 if test -n "$BOOT_IMAGE" 95 then 96 cp $BOOT_IMAGE $resdir 97 KERNEL=$resdir/${BOOT_IMAGE##*/} 98 # Arch-independent indicator 99 touch $resdir/builtkernel 100 else 101 echo No identifiable boot image, not running KVM, see $resdir. 102 echo Do the torture scripts know about your architecture? 103 fi 104 parse-build.sh $resdir/Make.out $title 105else 106 # Build failed. 107 cp .config $resdir || : 108 echo Build failed, not running KVM, see $resdir. 109 if test -f $builddir.wait 110 then 111 mv $builddir.wait $builddir.ready 112 fi 113 exit 1 114fi 115if test -f $builddir.wait 116then 117 mv $builddir.wait $builddir.ready 118fi 119while test -f $builddir.ready 120do 121 sleep 1 122done 123seconds=$4 124qemu_args=$5 125boot_args=$6 126 127cd $KVM 128kstarttime=`gawk 'BEGIN { print systime() }' < /dev/null` 129if test -z "$TORTURE_BUILDONLY" 130then 131 echo ' ---' `date`: Starting kernel 132fi 133 134# Generate -smp qemu argument. 135qemu_args="-enable-kvm -nographic $qemu_args" 136cpu_count=`configNR_CPUS.sh $resdir/ConfigFragment` 137cpu_count=`configfrag_boot_cpus "$boot_args" "$config_template" "$cpu_count"` 138if test "$cpu_count" -gt "$TORTURE_ALLOTED_CPUS" 139then 140 echo CPU count limited from $cpu_count to $TORTURE_ALLOTED_CPUS | tee -a $resdir/Warnings 141 cpu_count=$TORTURE_ALLOTED_CPUS 142fi 143qemu_args="`specify_qemu_cpus "$QEMU" "$qemu_args" "$cpu_count"`" 144 145# Generate architecture-specific and interaction-specific qemu arguments 146qemu_args="$qemu_args `identify_qemu_args "$QEMU" "$resdir/console.log"`" 147 148# Generate qemu -append arguments 149qemu_append="`identify_qemu_append "$QEMU"`" 150 151# Pull in Kconfig-fragment boot parameters 152boot_args="`configfrag_boot_params "$boot_args" "$config_template"`" 153# Generate kernel-version-specific boot parameters 154boot_args="`per_version_boot_params "$boot_args" $resdir/.config $seconds`" 155 156if test -n "$TORTURE_BUILDONLY" 157then 158 echo Build-only run specified, boot/test omitted. 159 touch $resdir/buildonly 160 exit 0 161fi 162echo "NOTE: $QEMU either did not run or was interactive" > $resdir/console.log 163echo $QEMU $qemu_args -m $TORTURE_QEMU_MEM -kernel $KERNEL -append \"$qemu_append $boot_args\" > $resdir/qemu-cmd 164( $QEMU $qemu_args -m $TORTURE_QEMU_MEM -kernel $KERNEL -append "$qemu_append $boot_args" > $resdir/qemu-output 2>&1 & echo $! > $resdir/qemu_pid; wait `cat $resdir/qemu_pid`; echo $? > $resdir/qemu-retval ) & 165commandcompleted=0 166sleep 10 # Give qemu's pid a chance to reach the file 167if test -s "$resdir/qemu_pid" 168then 169 qemu_pid=`cat "$resdir/qemu_pid"` 170 echo Monitoring qemu job at pid $qemu_pid 171else 172 qemu_pid="" 173 echo Monitoring qemu job at yet-as-unknown pid 174fi 175while : 176do 177 if test -z "$qemu_pid" -a -s "$resdir/qemu_pid" 178 then 179 qemu_pid=`cat "$resdir/qemu_pid"` 180 fi 181 kruntime=`gawk 'BEGIN { print systime() - '"$kstarttime"' }' < /dev/null` 182 if test -z "$qemu_pid" || kill -0 "$qemu_pid" > /dev/null 2>&1 183 then 184 if test $kruntime -ge $seconds 185 then 186 break; 187 fi 188 sleep 1 189 else 190 commandcompleted=1 191 if test $kruntime -lt $seconds 192 then 193 echo Completed in $kruntime vs. $seconds >> $resdir/Warnings 2>&1 194 grep "^(qemu) qemu:" $resdir/kvm-test-1-run.sh.out >> $resdir/Warnings 2>&1 195 killpid="`sed -n "s/^(qemu) qemu: terminating on signal [0-9]* from pid \([0-9]*\).*$/\1/p" $resdir/Warnings`" 196 if test -n "$killpid" 197 then 198 echo "ps -fp $killpid" >> $resdir/Warnings 2>&1 199 ps -fp $killpid >> $resdir/Warnings 2>&1 200 fi 201 else 202 echo ' ---' `date`: "Kernel done" 203 fi 204 break 205 fi 206done 207if test -z "$qemu_pid" -a -s "$resdir/qemu_pid" 208then 209 qemu_pid=`cat "$resdir/qemu_pid"` 210fi 211if test $commandcompleted -eq 0 -a -n "$qemu_pid" 212then 213 echo Grace period for qemu job at pid $qemu_pid 214 oldline="`tail $resdir/console.log`" 215 while : 216 do 217 kruntime=`gawk 'BEGIN { print systime() - '"$kstarttime"' }' < /dev/null` 218 if kill -0 $qemu_pid > /dev/null 2>&1 219 then 220 : 221 else 222 break 223 fi 224 must_continue=no 225 newline="`tail $resdir/console.log`" 226 if test "$newline" != "$oldline" && echo $newline | grep -q ' [0-9]\+us : ' 227 then 228 must_continue=yes 229 fi 230 last_ts="`tail $resdir/console.log | grep '^\[ *[0-9]\+\.[0-9]\+]' | tail -1 | sed -e 's/^\[ *//' -e 's/\..*$//'`" 231 if test -z "$last_ts" 232 then 233 last_ts=0 234 fi 235 if test "$newline" != "$oldline" -a "$last_ts" -lt $((seconds + $TORTURE_SHUTDOWN_GRACE)) 236 then 237 must_continue=yes 238 fi 239 if test $must_continue = no -a $kruntime -ge $((seconds + $TORTURE_SHUTDOWN_GRACE)) 240 then 241 echo "!!! PID $qemu_pid hung at $kruntime vs. $seconds seconds" >> $resdir/Warnings 2>&1 242 kill -KILL $qemu_pid 243 break 244 fi 245 oldline=$newline 246 sleep 10 247 done 248elif test -z "$qemu_pid" 249then 250 echo Unknown PID, cannot kill qemu command 251fi 252 253parse-console.sh $resdir/console.log $title 254