hostap/tests/hwsim/vm/vm-run.sh
Jouni Malinen 5554fbef46 tests: Make parallel VM start a bit more resource friendly
Wait one second between each kvm start to avoid hitting large number of
processes trying to start in parallel. This allows the VMs to be started
more efficiently for parallel-vm.py runs with large number of VMs.

Signed-off-by: Jouni Malinen <j@w1.fi>
2014-12-21 22:04:54 +02:00

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#!/bin/bash
cd "$(dirname $0)"
if [ -z "$TESTDIR" ] ; then
TESTDIR=$(pwd)/../
fi
LOGS=/tmp/hwsim-test-logs
# increase the memory size if you want to run with valgrind, 512 MB works
MEMORY=128
# 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
KERNEL=$KERNELDIR/arch/x86_64/boot/bzImage
fi
CMD=$TESTDIR/vm/inside.sh
unset RUN_TEST_ARGS
TIMESTAMP=$(date +%s)
DATE=$TIMESTAMP
CODECOV=no
TIMEWARP=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
;;
--delay ) shift
DELAY=$1
shift
;;
* )
RUN_TEST_ARGS="$RUN_TEST_ARGS$1 "
shift
;;
esac
done
LOGDIR=$LOGS/$DATE
mkdir -p $LOGDIR
if [ -n "$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"
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 \
-append "mac80211_hwsim.support_p2p_device=0 mac80211_hwsim.channels=$CHANNELS mac80211_hwsim.radios=6 init=$CMD testdir=$TESTDIR timewarp=$TIMEWARP console=$KVMOUT root=/dev/root rootflags=trans=virtio,version=9p2000.u ro rootfstype=9p EPATH=$EPATH ARGS=$RUN_TEST_ARGS"
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"
if [ $CODECOV = "yes" ]; then
echo "Code coverage report:"
echo "file://$LOGDIR/lcov/index.html"
fi