+if [ -z "$lustre_root" ]; then
+ lctl=lctl
+else
+ lctl=${lustre_root}/utils/lctl
+fi
+
+# split out hostnames from client/ost names
+ndevs=0
+for trgt in $targets; do
+ str=(`split_hostname $trgt`)
+ host_names[$ndevs]=${str[0]}
+ client_names[$ndevs]=${str[1]}
+ ndevs=$((ndevs+1))
+done
+if [ $case == "netdisk" ]; then
+ if [ "$targets" ]; then
+ for ((i = 0; i < $ndevs; i++)); do
+ setup_osc_for_remote_ost ${host_names[$i]} \
+ ${client_names[$i]} $i
+ osc_name=${client_names[$i]}_osc
+ ec_using_osc $osc_name
+ cleanup_oscs="$cleanup_oscs $osc_name"
+ done
+ else
+ client_names_str=$($lctl dl | grep -v mdt | \
+ awk '{if ($2 == "UP" && $3 == "osc") {print $4} }')
+ count=0;
+ for name in $client_names_str; do
+ client_names[$count]=`echo $name | sed 's/-osc-.*$//'`
+ count=$((count+1))
+ done
+
+ host_names_str=$($lctl dl -t | grep -v mdt | \
+ awk '{if ($2 == "UP" && $3 == "osc") {print $7} }')
+ count=0;
+ for name in $host_names_str; do
+ host_names[$count]=`echo $name | sed 's/@.*$//'`
+ count=$((count+1))
+ done
+
+ for (( i = 0; i < $count; i++ )) do
+ setup_osc_for_remote_ost ${host_names[$i]} \
+ ${client_names[$i]} $i
+ osc_name=${client_names[$i]}_osc
+ ec_using_osc $osc_name
+ cleanup_oscs="$cleanup_oscs $osc_name"
+ done
+ fi
+
+ echo_clients=$($lctl dl | grep echo_client | awk "{if (\$2 == \"UP\" && \$3 == \"echo_client\") {print \$4} }")
+ cnt=0;
+ for name in $echo_clients; do
+ client_names[$cnt]=$name
+ host_names[$cnt]=localhost
+ cnt=$((cnt+1))
+ done
+ ndevs=${#client_names[@]}
+fi
+if [ $case == "network" ]; then
+ server_nid=$targets
+ if [ -z "$server_nid" ]; then
+ echo "Specify hostname or ip-address of server"
+ exit 1;
+ fi
+ # check for obdecho module on server
+ if ! dsh $server_nid root "lsmod | grep obdecho > /dev/null"; then
+ dsh $server_nid root "modprobe obdecho"
+ fi
+ # Now do the server setup
+ setup_srv_obd $server_nid "echo_srv"
+ oss_on_srv=`dsh $server_nid root "$lctl dl | grep OSS" | awk '{ print $4 }'`
+ if [ -z $oss_on_srv ]; then
+ setup_OSS $server_nid
+ clean_srv_OSS=1
+ fi
+ if ! dsh $server_nid root "$lctl dl | grep obdecho > /dev/null 2>&1"; then
+ echo "obdecho not setup on server"
+ exit 1
+ fi
+ if ! dsh $server_nid root "$lctl dl | grep ost > /dev/null 2>&1"; then
+ echo "ost not setup on server"
+ exit 1
+ fi
+ # Now start client setup
+ osc_names_str=$($lctl dl| grep osc | grep -v mdt | grep UP)
+ if [ -n "$osc_names_str" ]; then
+ echo "The existing setup must be cleaned";
+ exit 0;
+ fi
+ ec_using_srv_nid $server_nid "echotmp" "echotmp_UUID"
+ client_names[0]="echotmp_ecc"
+fi
+if [ -z "$targets" ]; then
+ if [ $case == "disk" ]; then
+ get_targets
+ ndevs=${#ost_names[@]}
+ fi
+fi
+# get vmstat started
+# disable portals debug and get obdecho loaded on all relevant hosts
+unique_hosts=(`unique ${host_names[@]}`)
+pidcount=0
+for host in ${unique_hosts[@]}; do
+ host_vmstatf=${vmstatf}_${host}
+ echo -n > $host_vmstatf
+ remote_shell $host "vmstat 5 >> $host_vmstatf" &
+ pid=$!
+ vmstatpids[$pidcount]=$pid
+ pidcount=$((pidcount+1))
+ do_unload_obdecho[$host]=0
+ if obdecho_loaded $host; then
+ continue
+ fi
+ load_obdecho $host
+ if obdecho_loaded $host; then
+ do_unload_obdecho[$host]=1
+ continue
+ fi
+ echo "Can't load obdecho on $host" 1>&2
+ exit 1
+done
+# get all the echo_client device numbers and names
+for ((i=0; i < $ndevs; i++)); do
+ host=${host_names[$i]}
+ devno=(`get_ec_devno $host "${client_names[$i]}" "${ost_names[$i]}"`)
+ if ((${#devno[@]} != 3)); then
+ exit 1
+ fi
+ devnos[$i]=${devno[0]}
+ client_names[$i]=${devno[1]}
+ do_teardown_ec[$i]=${devno[2]}
+done
+if (($ndevs <= 0 || ${#host_names[@]} <= 0)); then
+ echo "no devices or hosts specified"
+ cleanup 0 $clean_srv_OSS $cleanup_oscs
+fi
+print_summary "$(date) Obdfilter-survey for case=$case from $(hostname)"
+for ((rsz = $rszlo; rsz <= $rszhi; rsz*=2)); do
+ for ((nobj = $nobjlo; nobj <= $nobjhi; nobj*=2)); do
+ for ((thr = $thrlo; thr <= $thrhi; thr*=2)); do
+ if ((thr % nobj)); then