# ...or...
# echo_client instances (set 'client_names')
# ... use 'host:name' for obd instances on other nodes.
-
# allow these to be passed in via string...
-ost_names_str=${ost_names_str:-""}
-if [ -n "$ost_names_str" ]; then
+# OR
+# one can specify only case=disk or case=network or case=netdisk through
+# command line.
+
+# Perquisite: For "disk" case and "netdisk" case you need to have lustre setup
+# with one or more ost's. For "network" case you need to have all
+# modules (those llmount.sh loades) loaded in kernel. And the
+# 'lctl dl' output must be blank.
+
+# How to run test:
+# case 1 (local disk):
+# $ nobjhi=2 thrhi=2 size=1024 case=disk sh obdfilter-survey
+# instead of case=disk one can also run test as follows
+# $ nobjhi=2 thrhi=2 size=1024 OSTS="lustre-OST0000 lustre-OST0001 ..." sh obdfilter-survey
+# case 2 (network):
+# $ nobjhi=2 thrhi=2 size=1024 server_nid="<name/nid_of_server>" case=network sh obdfilter-survey
+# where, server_nid is name or ip address of system, which you want to
+# set as server.
+# case 3 (network and disk):
+# $ nobjhi=2 thrhi=2 size=1024 case=netdisk sh obdfilter-survey
+# instead of case="netdisk" one can also run test as follows
+# $ nobjhi=2 thrhi=2 size=1024 ECHO_CLIENTS="ECHO_<osc_name> ..." sh obdfilter-survey
+#[ NOTE: It is advised to have automated login (passwordless entry) between server and
+# client systems on which this test runs.]
+
+# include library
+source libobd
+
+# create a set of objects, check there are 'n' contiguous ones and
+# return the first or 'ERROR'
+# parameter: 1. hostname
+# 2. device number
+# 3. number of object to be created (specified by user)
+# 4. tempfile name
+create_objects () {
+ local host=$1
+ local devno=$2
+ local nobj=$3
+ local rfile=$4
+ remote_shell $host $lctl --device $devno create $nobj > $rfile 2>&1
+ first=0
+ prev=0
+ count=0
+ error=0
+ while read line; do
+ echo "$line" | grep -q 'is object id'
+ if [ $? -ne 0 ]; then
+ continue
+ fi
+ if [ $first -eq 0 ]; then
+ first=$(echo $line | awk '{print $6}')
+ first=$(printf "%d" $first)
+ prev=$first
+ count=1
+ else
+ obj=$(echo $line | awk '{print $6}')
+ obj=$(printf "%d" $obj)
+ diff=$((obj - (prev+1)))
+ if [ $diff -ne 0 ]; then
+ error=1
+ fi
+ prev=$obj
+ count=$((count+1))
+ fi
+ done < $rfile
+ if [ $nobj -ne $count ]; then
+ echo "ERROR: $nobj != $count" >&2
+ cat $rfile >&2
+ echo "ERROR"
+ elif [ $error -ne 0 ]; then
+ echo "ERROR: non contiguous objs found" >&2
+ else
+ echo $first
+ fi
+}
+
+# destroys all objects created in create_objects routine
+# parameter: 3. start obj id.
+destroy_objects () {
+ local host=$1
+ local devno=$2
+ local obj0=$3
+ local nobj=$4
+ local rfile=$5
+ remote_shell $host $lctl --device $devno destroy $obj0 $nobj > $rfile 2>&1
+}
+
+get_stats () {
+ local rfile=$1
+ awk < $rfile \
+ '/^Selected device [0-9]+$/ {n = 0; next}\
+ /error/ {n = -1; exit}\
+ /^[0-9]+\/[0-9]+ Total: [0-9]+\.[0-9]+\/second$/ {n++; v=strtonum($3); \
+ if (n == 1 || v < min) min = v;\
+ if (n == 1 || v > max) max = v;\
+ next}\
+ {if (n != 0) {n = -1; exit}}\
+ END {printf "%d %f %f\n", n, min, max}'
+}
+
+get_global_stats () {
+ local rfile=$1
+ awk < $rfile 'BEGIN {n = 0;}\
+ {n++; if (n == 1) {err = $1; min = $2; max = $3} else\
+ {if ($1 < err) err = $1;\
+ if ($2 < min) min = $2;\
+ if ($3 > max) max = $3}}\
+ END {if (n == 0) err = 0;\
+ printf "%d %f %f\n", err, min, max}'
+}
+
+# enable or disable data check.
+# parameter: 1. read/write
+testname2type () {
+ # 'x' disables data check
+ if ((verify)); then
+ x=""
+ else
+ x="x"
+ fi
+ case $1 in
+ *write*) echo "w$x";;
+ *) echo "r$x";;
+ esac
+}
+
+print_summary () {
+ if [ "$1" = "-n" ]; then
+ minusn=$1; shift
+ else
+ minusn=""
+ fi
+ echo $minusn "$*" >> $rsltf
+ echo $minusn "$*"
+}
+
+# Customisation variables
+#####################################################################
+# One can change variable values in this section as per requirements
+
+OSTS=${OSTS:-""}
+server_nid=${server_nid:-""}
+case=${case:-"disk"}
+if [ -n "$OSTS" ]; then
declare -a ost_names
count=0
- for name in $ost_names_str; do
+ for name in $OSTS; do
ost_names[$count]=$name
count=$((count+1))
done
-else
- ost_names=(ost{1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16})
fi
-
-#client_names=(ns8:ECHO_ns8 ns9:ECHO_ns9)
-client_names_str=${client_names_str:-""}
-if [ -n "$client_names_str" ]; then
+ECHO_CLIENTS=${ECHO_CLIENTS:-""}
+if [ -n "$ECHO_CLIENTS" ]; then
# make sure we unset ost_names so that our client_names get noticed...
unset ost_names
declare -a client_names
count=0
- for name in $client_names_str; do
+ for name in $ECHO_CLIENTS; do
client_names[$count]=$name
count=$((count+1))
done
# NB ensure path to it exists
rslt=${rslt:-"/tmp/obdfilter_survey_`date +%F@%R`_`uname -n`"}
-# lustre root (if running with own source tree)
-# lustre_root=${lustre_root:-"/my/directory/lustre"}
-
# what tests to run (first must be write)
tests_str=${tests_str:-""}
if [ -n "$tests_str" ]; then
fi
# Set this true to check file contents
-verify=${verify:-0}
+verify=0
# total size (MBytes) per obd instance
# large enough to avoid cache effects
# number of objects per OST
nobjlo=${nobjlo:-1}
-nobjhi=${nobjhi:-512}
+#was nobjhi=${nobjhi:-512}
+nobjhi=${nobjhi:-16}
# threads per OST (1024 max)
thrlo=${thrlo:-1}
-thrhi=${thrhi:-64}
+thrhi=${thrhi:-16}
# restart from here iff all are defined
restart_rsz=
# max buffer_mem (total_threads * buffer size)
# (to avoid lctl ENOMEM problems)
-max_buffer_mem=$((1024*1024))
-
-# how to run commands on other nodes
-# You need to make this work on your cluster if you have specified
-# non-local obd instances above
-custom_remote_shell () {
- host=$1
- shift
- cmds="$*"
- here=`pwd`
- # Hop on to the remote node, chdir to 'here' and run the given
- # commands. One of the following will probably work.
- ssh $host "cd $here; $cmds"
- #rsh $host "cd $here; $cmds"
- # we have to remove the leading `uname -n`: from pdsh output lines
- #pdsh -w $host "cd $here; $cmds" | sed 's/^[^:]*://'
-}
+max_buffer_mem=$((1024 * 1024))
+snap=1
+# Customisation variables ends here.
#####################################################################
# leave the rest of this alone unless you know what you're doing...
-# binaries
-lsmod="/sbin/lsmod"
-modprobe="/sbin/modprobe"
-insmod="/sbin/insmod"
-rmmod="/sbin/rmmod"
-
-# lctl::test_brw bandwidth snapshot interval (seconds)
-snap=1
-
-
if [ ${#tests[@]} -eq 0 -o "${tests[0]}" != "write" ]; then
echo "tests: ${tests[@]}"
echo "First test must be 'write'" 1>&2
echo -n > $rsltf
echo -n > $workf
-declare -a vmstatpids
-
# hide a little trick to unset this from the command line
if [ "$lustre_root" == " " ]; then
unset lustre_root
lctl=${lustre_root}/utils/lctl
fi
-remote_shell () {
- host=$1
- shift
- cmds="$*"
- if [ "$host" = "localhost" -o "$host" = `uname -n` ]; then
- eval "$cmds"
- else
- custom_remote_shell $host "$cmds"
+if [ $case == "network" ]; then
+ if [ -z "$server_nid" ]; then
+ echo "Specify the server NID"
+ exit 1;
fi
-}
-
-obdecho_loaded() {
- local host=$1
- remote_shell $host $lsmod | grep obdecho > /dev/null 2>&1
-}
+ osc_names_string=`ssh root@"$server_nid" lctl dl`
+ count=0;
+ for name in $osc_names_str; do
+ count=$((count+1))
+ done
-load_obdecho () {
- local host=$1
- if [ -z "$lustre_root" ]; then
- remote_shell $host $modprobe obdecho
- elif [ -f ${lustre_root}/obdecho/obdecho.ko ]; then
- remote_shell $host $insmod ${lustre_root}/obdecho/obdecho.ko
- else
- remote_shell $host $insmod ${lustre_root}/obdecho/obdecho.o
+ if [ $count != 0 ]; then
+ echo "The existing setup must be cleaned";
+ exit 0;
fi
-}
-
-unload_obdecho () {
- local host=$1
- remote_shell $host $rmmod obdecho
-}
-
-get_devno () {
- local host=$1
- local type=$2
- local name=$3
- remote_shell $host $lctl device_list | \
- awk "{if (\$2 == \"UP\" && \$3 == \"$type\" && \$4 == \"$name\") {\
- print \$1; exit}}"
-}
-
-get_ec_devno () {
- local host=$1
- local client_name="$2"
- local ost_name="$3"
- if [ -z "$client_name" ]; then
- if [ -z "$ost_name" ]; then
- echo "client and ost name both null" 1>&2
- return
+ # Now do the server setup
+ setup_srv_obd $server_nid "ost_testfs"
+ op_string=`ssh root@"$server_nid" lctl dl`
+
+ obdecho=0
+ ost=0
+ for name in $op_string; do
+ if [ "$name" = "obdecho" ]; then
+ obdecho=1
fi
- client_name=${ost_name}_echo_client
- fi
- ec=`get_devno $host echo_client $client_name`
- if [ -n "$ec" ]; then
- echo $ec $client_name 0
- return
- fi
- if [ -z "$ost_name" ]; then
- echo "no echo client and ost_name not set, client: $client_name, host: $host" 1>&2
- return
- fi
- ost=`get_devno $host obdfilter $ost_name`
- if [ -z "$ost" ]; then
- echo "OST $ost_name not setup" 1>&2
- return
- fi
- remote_shell $host "$lctl <<EOF
- attach echo_client $client_name ${client_name}_UUID
- setup $ost_name
-EOF"
- ec=`get_devno $host echo_client $client_name`
- if [ -z "$ec" ]; then
- echo "Can't setup echo client" 1>&2
- return
- fi
- echo $ec $client_name 1
-}
-
-teardown_ec_devno () {
- local host=$1
- local client_name=$2
- remote_shell $host "$lctl <<EOF
- cfg $client_name
- cleanup
- detach
-EOF"
-}
+ if [ "$name" = "ost" ]; then
+ ost=1
+ fi
+ done
-create_objects () {
- # create a set of objects, check there are 'n' contiguous ones and
- # return the first or 'ERROR'
- local host=$1
- local devno=$2
- local nobj=$3
- local rfile=$4
- remote_shell $host $lctl --device $devno create $nobj > $rfile 2>&1
- first=0
- prev=0
- count=0
- error=0
- while read line; do
- echo "$line" | grep -q 'is object id'
- if [ $? -ne 0 ]; then
- continue
- fi
- if [ $first -eq 0 ]; then
- first=$(echo $line | awk '{print $6}')
- first=$(printf "%d" $first)
- prev=$first
- count=1
- else
- obj=$(echo $line | awk '{print $6}')
- obj=$(printf "%d" $obj)
- diff=$((obj - (prev+1)))
- if [ $diff -ne 0 ]; then
- error=1
- fi
- prev=$obj
- count=$((count+1))
- fi
- done < $rfile
- if [ $nobj -ne $count ]; then
- echo "ERROR: $nobj != $count" >&2
- cat $rfile >&2
- echo "ERROR"
- elif [ $error -ne 0 ]; then
- echo "ERROR: non contiguous objs found" >&2
- echo "ERROR"
- else
- echo $first
+ if (( $obdecho == 0 || $ost == 0 )); then
+ echo "Server setup not done properly"
+ exit 1
fi
-}
-
-destroy_objects () {
- local host=$1
- local devno=$2
- local obj0=$3
- local nobj=$4
- local rfile=$5
- remote_shell $host $lctl --device $devno destroy $obj0 $nobj > $rfile 2>&1
-}
-
-get_stats () {
- local rfile=$1
- awk < $rfile \
- '/^Selected device [0-9]+$/ {n = 0; next}\
- /error/ {n = -1; exit}\
- /^[0-9]+\/[0-9]+ Total: [0-9]+\.[0-9]+\/second$/ {n++; v=strtonum($3); \
- if (n == 1 || v < min) min = v;\
- if (n == 1 || v > max) max = v;\
- next}\
- {if (n != 0) {n = -1; exit}}\
- END {printf "%d %f %f\n", n, min, max}'
-}
-
-get_global_stats () {
- local rfile=$1
- awk < $rfile 'BEGIN {n = 0;}\
- {n++; if (n == 1) {err = $1; min = $2; max = $3} else\
- {if ($1 < err) err = $1;\
- if ($2 < min) min = $2;\
- if ($3 > max) max = $3}}\
- END {if (n == 0) err = 0;\
- printf "%d %f %f\n", err, min, max}'
-}
-
-testname2type () {
- # 'x' disables data check
- if ((verify)); then
- x=""
- else
- x="x"
+ # Now start client setup
+ osc_names_str=$(lctl dl)
+ if [ -n "$osc_names_str" ]; then
+ echo "The existing setup must be cleaned";
+ exit 0;
fi
- case $1 in
- *write*) echo "w$x";;
- *) echo "r$x";;
- esac
-}
+ ec_using_srv_nid $server_nid "osc_testfs" "test_obdfs"
+ declare -a client_names
+ client_names[0]="ECHO_osc_testfs"
+fi
-print_summary () {
- if [ "$1" = "-n" ]; then
- minusn=$1; shift
- else
- minusn=""
+if [ -z "$ECHO_CLIENTS" ]; then
+ if [ $case == "netdisk" ]; then
+ declare -a osc_names
+ declare -a osc_uuids
+ osc_names_str=$(lctl dl |grep osc | awk "{if (\$2 == \"UP\" && \$3 == \"osc\") {print \$4} }")
+ count=0;
+ for name in $osc_names_str; do
+ osc_names[$count]=$name
+ count=$((count+1))
+ done
+ osc_uuid_str=$(lctl dl |grep osc | awk "{if (\$2 == \"UP\" && \$3 == \"osc\") {print \$5} }")
+ count=0;
+ for uuid in $osc_uuid_str; do
+ osc_uuids[$count]=$uuid
+ count=$((count+1))
+ done
+ for (( i = 0 ; i < $count; i++ ))
+ do
+ ec_using_osc ${osc_names[$i]} ${osc_uuids[$i]}
+ done
+ 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]=$name
+ cnt=$((cnt+1))
+ done
fi
- echo $minusn "$*" >> $rsltf
- echo $minusn "$*"
-}
-
-unique () {
- echo "$@" | xargs -n1 echo | sort -u
-}
+fi
-split_hostname () {
- local name=$1
- case $name in
- *:*) host=`echo $name | sed 's/:.*$//'`
- name=`echo $name | sed 's/[^:]*://'`
- ;;
- *) host=localhost
- ;;
- esac
- echo "$host $name"
-}
+if [ -z "$OSTS" ]; then
+ if [ $case == "disk" ]; then
+ get_targets
+ fi
+fi
# split out hostnames from client/ost names
ndevs=${#client_names[@]}
echo "Please specify client_names or ost_names, but not both" 1>&2
exit 1
fi
- for ((i=0; i<ndevs;i++)); do
+ for ((i = 0; i < ndevs; i++)); do
str=(`split_hostname ${client_names[$i]}`)
host_names[$i]=${str[0]}
client_names[$i]=${str[1]}
echo "Please specify either client_names or ost_names" 1>&2
exit 1
fi
- for ((i=0; i<ndevs;i++)); do
+ for ((i = 0; i < ndevs; i++)); do
str=(`split_hostname ${ost_names[$i]}`)
host_names[$i]=${str[0]}
ost_names[$i]=${str[1]}
fi
# get vmstat started
-# disable LNET debug and get obdecho loaded on all relevant hosts
+# disable portals debug and get obdecho loaded on all relevant hosts
unique_hosts=(`unique ${host_names[@]}`)
pidcount=0
for host in ${unique_hosts[@]}; do
- remote_shell $host "echo 0 > /proc/sys/lnet/debug"
host_vmstatf=${vmstatf}_${host}
echo -n > $host_vmstatf
remote_shell $host "vmstat 5 >> $host_vmstatf" &
done
# get all the echo_client device numbers and names
-for ((i=0; i<ndevs; i++)); do
+for ((i=0; i < ndevs; i++)); do
host=${host_names[$i]}
devno=(`get_ec_devno $host "${client_names[$i]}" "${ost_names[$i]}"`)
if ((${#devno[@]} != 3)); then
client_names[$i]=${devno[1]}
do_teardown_ec[$i]=${devno[2]}
done
-
-for ((rsz=$rszlo;rsz<=$rszhi;rsz*=2)); do
- for ((nobj=$nobjlo;nobj<=$nobjhi;nobj*=2)); do
- for ((thr=$thrlo;thr<=$thrhi;thr*=2)); do
+for ((rsz = $rszlo; rsz <= $rszhi; rsz*=2)); do
+ for ((nobj = $nobjlo; nobj <= $nobjhi; nobj*=2)); do
+ for ((thr = $thrlo; thr <= $thrhi; thr*=2)); do
if ((thr % nobj)); then
continue
fi
fi
# create the objects
tmpf="${workf}_tmp"
- for ((idx=0; idx < ndevs; idx++)); do
+ for ((idx = 0; idx < ndevs; idx++)); do
host=${host_names[$idx]}
devno=${devnos[$idx]}
client_name="${host}:${client_names[$idx]}"
echo "=============> Create $nobj on $client_name" >> $workf
first_obj=`create_objects $host $devno $nobj $tmpf`
cat $tmpf >> $workf
- rm -f $tmpf
+ rm $tmpf
if [ $first_obj = "ERROR" ]; then
print_summary "created object #s on $client_name not contiguous"
exit 1
for host in ${unique_hosts[@]}; do
echo -n > ${cmdsf}_${host}
done
- for ((idx=0; idx < ndevs; idx++)); do
+ for ((idx = 0; idx < ndevs; idx++)); do
host=${host_names[$idx]}
devno=${devnos[$idx]}
tmpfi="${tmpf}_$idx"
t1=`date +%s.%N`
# clean up per-host script files
for host in ${unique_hosts[@]}; do
- rm -f ${cmdsf}_${host}
+ rm ${cmdsf}_${host}
done
# compute bandwidth from total data / elapsed time
str=`awk "BEGIN {printf \"%7.2f \",\
print_summary -n "$str"
# collect/check individual OST stats
echo -n > $tmpf
- for ((idx=0; idx < ndevs; idx++)); do
+ for ((idx = 0; idx < ndevs; idx++)); do
client_name="${host_names[$idx]}:${client_names[$idx]}"
tmpfi="${tmpf}_$idx"
echo "=============> $test $client_name" >> $workf
scp -q ${host}:$tmpfi $tmpfi > /dev/null
cat $tmpfi >> $workf
get_stats $tmpfi >> $tmpf
- rm -f $tmpfi
+ rm $tmpfi
done
# compute/display global min/max stats
echo "=============> $test global" >> $workf
cat $tmpf >> $workf
stats=(`get_global_stats $tmpf`)
- rm -f $tmpf
+ rm $tmpf
if ((stats[0] <= 0)); then
if ((stats[0] < 0)); then
str=`printf "%17s " ERROR`
done
print_summary ""
# destroy objects we created
- for ((idx=0; idx < ndevs; idx++)); do
+ for ((idx = 0; idx < ndevs; idx++)); do
host=${host_names[$idx]}
devno=${devnos[$idx]}
client_name="${host}:${client_names[$idx]}"
echo "=============> Destroy $nobj on $client_name" >> $workf
destroy_objects $host $devno $first_obj $nobj $tmpf
cat $tmpf >> $workf
- rm -f $tmpf
+ rm $tmpf
done
done
done
done
-# tear down any echo clients we created
-for ((i=0; i<ndevs; i++)); do
- host=${host_names[$i]}
- if ((${do_teardown_ec[$i]})); then
- teardown_ec_devno $host ${client_names[$i]}
- fi
-done
-
-# unload any obdecho modules we loaded
-pidcount=0
-for host in ${unique_hosts[@]}; do
- remote_shell $host "killall vmstat" &
- pid=$!
- kill -term ${vmstatpids[$pidcount]}
- kill -kill ${vmstatpids[$pidcount]} 2>/dev/null
- wait $pid
- pidcount=$((pidcount+1))
- if ((${do_unload_obdecho[$host]})); then
- unload_obdecho $host
- fi
-done
-
+cleanup 0
exit 0