test and memory monitoring script for a setup with many global TT entries

test.sh

#!/bin/bash

DIR=/mnt/dev
OUT=/mnt/dev/logs
DST="fe80::6670:2ff:feae:72e4%eth1"
num=10


wait_for_link() {
	echo -n "Waiting for link..."

	while true; do
		ping6 "$DST" -q -c3 > /dev/null && break
		sleep 1
		echo -n "."
	done

	echo " Got link!"
}

rmmod batman_adv
rmmod bridge

modprobe bridge

brctl addbr br0
brctl addif br0 eth2

echo 0 > /proc/sys/net/ipv6/conf/br0/accept_ra
echo 0 > /proc/sys/net/ipv6/conf/eth1/accept_ra
echo 0 > /proc/sys/net/ipv6/conf/eth2/accept_ra

ip link set up dev br0
ip link set up dev eth1
ip link set up dev eth2

wait_for_link

# Clean start
echo "Rebooting device, clean start"
ssh -i $DIR/testnode42 root@$DST reboot || {
	echo "Error: Could not reboot device"
	exit 1
}


modprobe crc16
modprobe crc32
modprobe libcrc32c

insmod $DIR/batman-adv/net/batman-adv/batman-adv.ko || {
	echo "Error: Could not load batman-adv.ko"
	exit 2
}

echo "Modules loaded, Wiring things now"
for i in `seq 1 $num`; do
	ip link add dev veth$i-2 type veth peer name veth$i-1
	brctl addif br0 veth$i-1
	echo bat$i > /sys/class/net/veth$i-2/batman_adv/mesh_iface

	ip link set up dev veth$i-1
	ip link set up dev veth$i-2
	ip link set up dev bat$i
done


# Wait for reboot to settle
echo Waiting for device reboot
sleep 5
wait_for_link

#ssh -i $DIR/testnode42 root@$DST \
#	"echo 0 > /sys/class/net/br-client/brif/bat0/learning; \
#	echo 1 > /sys/class/net/br-client/brif/bat0/flush; \
#	echo 0 > /sys/class/net/br-client/brif/eth1/unicast_flood" || {
#
#	echo "Error: Could not disable FDB on bat0"
#	exit 3
#}

# Wait a little longer for protocol establishment etc.
sleep 10

echo "Configuration complete"

MYDATE=`date "+%s"`
ssh -i $DIR/testnode42 root@$DST \
	"date -s @$MYDATE; \
	while true; do \
		echo =============================; \
		echo \"Date: \$(date) // \$(date +%s)\"; \
		echo \"TG-size: \$(batctl tg | wc -l)\"; \
		echo \"FDB-size: \$(bridge fdb show brport bat0 | wc -l)\"; \
		echo \"Load: \$(cat /proc/loadavg)\"; \
		cat /proc/meminfo; \
		echo -----------------------------; \
		sleep 1; \
	done" > $OUT/out-$MYDATE.log &

MYPID="$!"
trap "echo \"Got trap! Killing $MYPID\"; [ -n \"$MYPID\" ] && kill $MYPID" SIGINT SIGTERM EXIT
sleep 5

echo "Logging started, firing mz"

for i in `seq 1 $num`; do
	mz bat$i -c 1500 -p 64 -d 10msec -a rand -A -b bcast -t udp || {
		echo "Error: Could not start mausezahn on interface bat$i"
		exit 1
	}
done

wait "$MYPID"
#echo "Crashed at `date` (`date +%s`)"