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-rwxr-xr-xtools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh30
1 files changed, 24 insertions, 6 deletions
diff --git a/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh
index 0f80eefb0bfd..2eb8fefbe7d9 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh
@@ -168,14 +168,25 @@ then
fi
echo "NOTE: $QEMU either did not run or was interactive" > $resdir/console.log
echo $QEMU $qemu_args -m 512 -kernel $resdir/bzImage -append \"$qemu_append $boot_args\" > $resdir/qemu-cmd
-( $QEMU $qemu_args -m 512 -kernel $resdir/bzImage -append "$qemu_append $boot_args"; echo $? > $resdir/qemu-retval ) &
-qemu_pid=$!
+( $QEMU $qemu_args -m 512 -kernel $resdir/bzImage -append "$qemu_append $boot_args"& echo $! > $resdir/qemu_pid; wait `cat $resdir/qemu_pid`; echo $? > $resdir/qemu-retval ) &
commandcompleted=0
-echo Monitoring qemu job at pid $qemu_pid
+sleep 10 # Give qemu's pid a chance to reach the file
+if test -s "$resdir/qemu_pid"
+then
+ qemu_pid=`cat "$resdir/qemu_pid"`
+ echo Monitoring qemu job at pid $qemu_pid
+else
+ qemu_pid=""
+ echo Monitoring qemu job at yet-as-unknown pid
+fi
while :
do
+ if test -z "$qemu_pid" -a -s "$resdir/qemu_pid"
+ then
+ qemu_pid=`cat "$resdir/qemu_pid"`
+ fi
kruntime=`awk 'BEGIN { print systime() - '"$kstarttime"' }' < /dev/null`
- if kill -0 $qemu_pid > /dev/null 2>&1
+ if test -z "$qemu_pid" || kill -0 "$qemu_pid" > /dev/null 2>&1
then
if test $kruntime -ge $seconds
then
@@ -195,12 +206,16 @@ do
ps -fp $killpid >> $resdir/Warnings 2>&1
fi
else
- echo ' ---' `date`: Kernel done
+ echo ' ---' `date`: "Kernel done"
fi
break
fi
done
-if test $commandcompleted -eq 0
+if test -z "$qemu_pid" -a -s "$resdir/qemu_pid"
+then
+ qemu_pid=`cat "$resdir/qemu_pid"`
+fi
+if test $commandcompleted -eq 0 -a -n "$qemu_pid"
then
echo Grace period for qemu job at pid $qemu_pid
while :
@@ -220,6 +235,9 @@ then
fi
sleep 1
done
+elif test -z "$qemu_pid"
+then
+ echo Unknown PID, cannot kill qemu command
fi
parse-torture.sh $resdir/console.log $title