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 $resdir/ConfigFragment 48if test -r "$config_dir/CFcommon" 49then 50 echo " --- $config_dir/CFcommon" >> $resdir/ConfigFragment.input 51 cat < $config_dir/CFcommon >> $resdir/ConfigFragment.input 52 config_override.sh $config_dir/CFcommon $config_template > $T/Kc1 53 grep '#CHECK#' $config_dir/CFcommon >> $resdir/ConfigFragment 54else 55 cp $config_template $T/Kc1 56fi 57echo " --- $config_template" >> $resdir/ConfigFragment.input 58cat $config_template >> $resdir/ConfigFragment.input 59grep '#CHECK#' $config_template >> $resdir/ConfigFragment 60if test -n "$TORTURE_KCONFIG_ARG" 61then 62 echo $TORTURE_KCONFIG_ARG | tr -s " " "\012" > $T/cmdline 63 echo " --- --kconfig argument" >> $resdir/ConfigFragment.input 64 cat $T/cmdline >> $resdir/ConfigFragment.input 65 config_override.sh $T/Kc1 $T/cmdline > $T/Kc2 66 # Note that "#CHECK#" is not permitted on commandline. 67else 68 cp $T/Kc1 $T/Kc2 69fi 70cat $T/Kc2 >> $resdir/ConfigFragment 71 72base_resdir=`echo $resdir | sed -e 's/\.[0-9]\+$//'` 73if test "$base_resdir" != "$resdir" -a -f $base_resdir/bzImage -a -f $base_resdir/vmlinux 74then 75 # Rerunning previous test, so use that test's kernel. 76 QEMU="`identify_qemu $base_resdir/vmlinux`" 77 BOOT_IMAGE="`identify_boot_image $QEMU`" 78 KERNEL=$base_resdir/${BOOT_IMAGE##*/} # use the last component of ${BOOT_IMAGE} 79 ln -s $base_resdir/Make*.out $resdir # for kvm-recheck.sh 80 ln -s $base_resdir/.config $resdir # for kvm-recheck.sh 81 # Arch-independent indicator 82 touch $resdir/builtkernel 83elif kvm-build.sh $T/Kc2 $resdir 84then 85 # Had to build a kernel for this test. 86 QEMU="`identify_qemu vmlinux`" 87 BOOT_IMAGE="`identify_boot_image $QEMU`" 88 cp vmlinux $resdir 89 cp .config $resdir 90 cp Module.symvers $resdir > /dev/null || : 91 cp System.map $resdir > /dev/null || : 92 if test -n "$BOOT_IMAGE" 93 then 94 cp $BOOT_IMAGE $resdir 95 KERNEL=$resdir/${BOOT_IMAGE##*/} 96 # Arch-independent indicator 97 touch $resdir/builtkernel 98 else 99 echo No identifiable boot image, not running KVM, see $resdir. 100 echo Do the torture scripts know about your architecture? 101 fi 102 parse-build.sh $resdir/Make.out $title 103else 104 # Build failed. 105 cp .config $resdir || : 106 echo Build failed, not running KVM, see $resdir. 107 if test -f $builddir.wait 108 then 109 mv $builddir.wait $builddir.ready 110 fi 111 exit 1 112fi 113if test -f $builddir.wait 114then 115 mv $builddir.wait $builddir.ready 116fi 117while test -f $builddir.ready 118do 119 sleep 1 120done 121seconds=$4 122qemu_args=$5 123boot_args=$6 124 125cd $KVM 126kstarttime=`awk 'BEGIN { print systime() }' < /dev/null` 127if test -z "$TORTURE_BUILDONLY" 128then 129 echo ' ---' `date`: Starting kernel 130fi 131 132# Generate -smp qemu argument. 133qemu_args="-enable-kvm -nographic $qemu_args" 134cpu_count=`configNR_CPUS.sh $resdir/ConfigFragment` 135cpu_count=`configfrag_boot_cpus "$boot_args" "$config_template" "$cpu_count"` 136vcpus=`identify_qemu_vcpus` 137if test $cpu_count -gt $vcpus 138then 139 echo CPU count limited from $cpu_count to $vcpus | tee -a $resdir/Warnings 140 cpu_count=$vcpus 141fi 142qemu_args="`specify_qemu_cpus "$QEMU" "$qemu_args" "$cpu_count"`" 143 144# Generate architecture-specific and interaction-specific qemu arguments 145qemu_args="$qemu_args `identify_qemu_args "$QEMU" "$resdir/console.log"`" 146 147# Generate qemu -append arguments 148qemu_append="`identify_qemu_append "$QEMU"`" 149 150# Pull in Kconfig-fragment boot parameters 151boot_args="`configfrag_boot_params "$boot_args" "$config_template"`" 152# Generate kernel-version-specific boot parameters 153boot_args="`per_version_boot_params "$boot_args" $resdir/.config $seconds`" 154 155if test -n "$TORTURE_BUILDONLY" 156then 157 echo Build-only run specified, boot/test omitted. 158 touch $resdir/buildonly 159 exit 0 160fi 161echo "NOTE: $QEMU either did not run or was interactive" > $resdir/console.log 162echo $QEMU $qemu_args -m $TORTURE_QEMU_MEM -kernel $KERNEL -append \"$qemu_append $boot_args\" > $resdir/qemu-cmd 163( $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 $? > $resdir/qemu-retval ) & 164commandcompleted=0 165sleep 10 # Give qemu's pid a chance to reach the file 166if test -s "$resdir/qemu_pid" 167then 168 qemu_pid=`cat "$resdir/qemu_pid"` 169 echo Monitoring qemu job at pid $qemu_pid 170else 171 qemu_pid="" 172 echo Monitoring qemu job at yet-as-unknown pid 173fi 174while : 175do 176 if test -z "$qemu_pid" -a -s "$resdir/qemu_pid" 177 then 178 qemu_pid=`cat "$resdir/qemu_pid"` 179 fi 180 kruntime=`awk 'BEGIN { print systime() - '"$kstarttime"' }' < /dev/null` 181 if test -z "$qemu_pid" || kill -0 "$qemu_pid" > /dev/null 2>&1 182 then 183 if test $kruntime -ge $seconds 184 then 185 break; 186 fi 187 sleep 1 188 else 189 commandcompleted=1 190 if test $kruntime -lt $seconds 191 then 192 echo Completed in $kruntime vs. $seconds >> $resdir/Warnings 2>&1 193 grep "^(qemu) qemu:" $resdir/kvm-test-1-run.sh.out >> $resdir/Warnings 2>&1 194 killpid="`sed -n "s/^(qemu) qemu: terminating on signal [0-9]* from pid \([0-9]*\).*$/\1/p" $resdir/Warnings`" 195 if test -n "$killpid" 196 then 197 echo "ps -fp $killpid" >> $resdir/Warnings 2>&1 198 ps -fp $killpid >> $resdir/Warnings 2>&1 199 fi 200 else 201 echo ' ---' `date`: "Kernel done" 202 fi 203 break 204 fi 205done 206if test -z "$qemu_pid" -a -s "$resdir/qemu_pid" 207then 208 qemu_pid=`cat "$resdir/qemu_pid"` 209fi 210if test $commandcompleted -eq 0 -a -n "$qemu_pid" 211then 212 echo Grace period for qemu job at pid $qemu_pid 213 oldline="`tail $resdir/console.log`" 214 while : 215 do 216 kruntime=`awk 'BEGIN { print systime() - '"$kstarttime"' }' < /dev/null` 217 if kill -0 $qemu_pid > /dev/null 2>&1 218 then 219 : 220 else 221 break 222 fi 223 must_continue=no 224 newline="`tail $resdir/console.log`" 225 if test "$newline" != "$oldline" && echo $newline | grep -q ' [0-9]\+us : ' 226 then 227 must_continue=yes 228 fi 229 last_ts="`tail $resdir/console.log | grep '^\[ *[0-9]\+\.[0-9]\+]' | tail -1 | sed -e 's/^\[ *//' -e 's/\..*$//'`" 230 if test -z "$last_ts" 231 then 232 last_ts=0 233 fi 234 if test "$newline" != "$oldline" -a "$last_ts" -lt $((seconds + $TORTURE_SHUTDOWN_GRACE)) 235 then 236 must_continue=yes 237 fi 238 if test $must_continue = no -a $kruntime -ge $((seconds + $TORTURE_SHUTDOWN_GRACE)) 239 then 240 echo "!!! PID $qemu_pid hung at $kruntime vs. $seconds seconds" >> $resdir/Warnings 2>&1 241 kill -KILL $qemu_pid 242 break 243 fi 244 oldline=$newline 245 sleep 10 246 done 247elif test -z "$qemu_pid" 248then 249 echo Unknown PID, cannot kill qemu command 250fi 251 252parse-console.sh $resdir/console.log $title 253