hostap/tests/hwsim/vm/vm-run.sh
Jouni Malinen d55035c935 tests: Use time-travel=inf-cpu with UML
This is the current proposed way of configuring virtual time.

Signed-off-by: Jouni Malinen <j@w1.fi>
2019-05-27 22:43:04 +03:00

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#!/bin/bash
cd "$(dirname $0)"
if [ -z "$TESTDIR" ] ; then
TESTDIR=$(pwd)/../
fi
if [ -n "$HWSIM_TEST_LOG_DIR" ] ; then
LOGS="$HWSIM_TEST_LOG_DIR"
else
LOGS=/tmp/hwsim-test-logs
fi
# increase the memory size if you want to run with valgrind, 512 MB works
MEMORY=256
# Some ubuntu systems (notably 12.04) have issues with this - since the guest
# mounts as read-only it should be safe to not specify ,readonly. Override in
# vm-config if needed (see below)
ROTAG=,readonly
# set this to ttyS0 to see kvm messages (if something doesn't work)
KVMOUT=ttyS1
# you can set EPATH if you need anything extra in $PATH inside the VM
#EPATH=/some/dir
# extra KVM arguments, e.g., -s for gdbserver
#KVMARGS=-s
# number of channels each hwsim device supports
CHANNELS=1
test -f vm-config && . vm-config
test -f ~/.wpas-vm-config && . ~/.wpas-vm-config
if [ -z "$KERNEL" ] && [ -z "$KERNELDIR" ] ; then
echo "You need to set a KERNEL or KERNELDIR (in the environment or vm-config)"
exit 2
fi
if [ -z "$KERNEL" ] ; then
if [ -e $KERNELDIR/arch/x86_64/boot/bzImage ]; then
KERNEL=$KERNELDIR/arch/x86_64/boot/bzImage
elif [ -e $KERNELDIR/linux ]; then
KERNEL=$KERNELDIR/linux
else
echo "No suitable kernel image found from KERNELDIR"
exit 2
fi
fi
if [ ! -e $KERNEL ]; then
echo "Kernel image not found: $KERNEL"
exit 2
fi
CMD=$TESTDIR/vm/inside.sh
unset RUN_TEST_ARGS
TIMESTAMP=$(date +%s)
DATE=$TIMESTAMP
CODECOV=no
TIMEWARP=0
TELNET_QEMU=
TELNET_ARG=0
DELAY=0
CODECOV_DIR=
while [ "$1" != "" ]; do
case $1 in
--timestamp ) shift
TIMESTAMP=$1
shift
;;
--ext ) shift
DATE=$TIMESTAMP.$1
shift
;;
--codecov ) shift
CODECOV=yes
;;
--codecov_dir ) shift
CODECOV_DIR=$1
shift
;;
--timewrap ) shift
TIMEWARP=1
;;
--telnet ) shift
TELNET_ARG=1
TELNET_QEMU="-net nic,model=virtio -net user,id=telnet,restrict=on,net=172.16.0.0/24,hostfwd=tcp:127.0.0.1:$1-:23"
shift
;;
--delay ) shift
DELAY=$1
shift
;;
* )
RUN_TEST_ARGS="$RUN_TEST_ARGS$1 "
shift
;;
esac
done
LOGDIR=$LOGS/$DATE
mkdir -p $LOGDIR
rm -f $LOGS/latest
ln -s $LOGDIR $LOGS/latest
if [ -n "$CODECOV_DIR" ]; then
cp -a $CODECOV_DIR/alt-wpa_supplicant $LOGDIR
cp -a $CODECOV_DIR/alt-hostapd $LOGDIR
cp -a $CODECOV_DIR/alt-hostapd-as $LOGDIR
cp -a $CODECOV_DIR/alt-hlr_auc_gw $LOGDIR
elif [ $CODECOV = "yes" ]; then
./build-codecov.sh $LOGDIR || exit 1
else
CODECOV=no
fi
if [ $DELAY -gt 0 ]; then
echo "Wait $DELAY seconds before starting VM"
sleep $DELAY
fi
echo "Starting test run in a virtual machine"
if [ -x $KERNEL ]; then
unset KVM
else
KVM=kvm
for kvmprog in kvm qemu-kvm; do
if $kvmprog --version &> /dev/null; then
KVM=$kvmprog
break
fi
done
fi
argsfile=$(mktemp)
if [ $? -ne 0 ] ; then
exit 2
fi
function finish {
rm -f $argsfile
}
trap finish EXIT
echo "$RUN_TEST_ARGS" > $argsfile
A="mac80211_hwsim.support_p2p_device=0 "
A+="mac80211_hwsim.channels=$CHANNELS "
A+="mac80211_hwsim.radios=7 "
A+="cfg80211.dyndbg=+p "
A+="mac80211.dyndbg=+p "
A+="mac80211_hwsim.dyndbg=+p "
A+="init=$CMD "
A+="testdir=$TESTDIR "
A+="timewarp=$TIMEWARP "
A+="TELNET=$TELNET_ARG "
A+="EPATH=$EPATH "
A+="ARGS=$argsfile "
A+="console=$KVMOUT "
A+="ro"
if [ -z $KVM ]; then
$KERNEL \
mem=${MEMORY}M \
LOGDIR=$LOGDIR \
time-travel=inf-cpu \
$A \
root=none hostfs=/ rootfstype=hostfs rootflags=/ \
ssl0=fd:0,fd:1 \
ssl1=fd:100 \
100<>$LOGDIR/console 2>&1 | \
sed -u '0,/VM has started up/d'
else
$KVM \
-kernel $KERNEL \
-smp 4 \
$KVMARGS \
-m $MEMORY \
-nographic \
-fsdev local,security_model=none,id=fsdev-root,path=/$ROTAG \
-device virtio-9p-pci,id=fs-root,fsdev=fsdev-root,mount_tag=/dev/root \
-fsdev local,security_model=none,id=fsdev-logs,path="$LOGDIR",writeout=immediate \
-device virtio-9p-pci,id=fs-logs,fsdev=fsdev-logs,mount_tag=logshare \
-monitor null \
-serial stdio \
-serial file:$LOGDIR/console \
$TELNET_QEMU \
-append "$A root=/dev/root rootflags=trans=virtio,version=9p2000.u rootfstype=9p" | \
sed -u '0,/VM has started up/d'
fi
if [ $CODECOV = "yes" ]; then
echo "Preparing code coverage reports"
./process-codecov.sh $LOGDIR "" restore
./combine-codecov.sh $LOGDIR lcov
fi
echo
echo "Test run completed"
echo "Logfiles are at $LOGDIR ($LOGS/latest)"
if [ $CODECOV = "yes" ]; then
echo "Code coverage report:"
echo "file://$LOGDIR/lcov/index.html"
fi