######################################################################
# customize per survey
-# specify obd names (host:name if remote)
-# these can either be the echo_client names (client_names)
-# or the ost names (ost_names)
-#client_names=(ns8:ECHO_ns8 ns9:ECHO_ns9)
-ost_names=(ns9:ost{1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16})
-
-# result file prefix (date/time + hostname makes unique)
-rslt=/home_nfs/eeb/obdfilter_survey_`date +%F@%R`_`uname -n`
-
-# lustre root (if running with own source tree)
-lustre_root=/home_nfs/eeb/lustre
-
-# what to do (we always do an initial write)
-#tests="rewrite read reread rewrite_again"
-tests="rewrite read"
-
-# total size (MBytes) per OST
-# large enough to avoid cache effects
-# and to make test startup/shutdown overhead insignificant
-size=8192
-
-# record size (KBytes)
-rszlo=1024
-rszhi=1024
-
-# number of objects per OST
-nobjlo=1
-nobjhi=512
-
-# threads per OST (1024 max)
-thrlo=1
-thrhi=64
-
-# restart from here iff all are defined
-restart_rsz=
-restart_thr=1
-restart_nobj=1
-
-# machine's page size
-PAGE_SIZE=64
-
-# max buffer_mem (total_threads * buffer size)
-# (to avoid lctl ENOMEM problems)
-max_buffer_mem=$((1024*1024))
-
-# how to run commands on other nodes
-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"
- #pdsh -w $host "cd $here; $cmds"
-}
-
-#####################################################################
-# leave the rest of this alone unless you know what you're doing...
-
-snap=1
-verify=1
-
-rsltf="${rslt}.summary"
-workf="${rslt}.detail"
-echo -n > $rsltf
-echo -n > $workf
-
-if [ -z "$lustre_root" ]; then
- lctl=lctl
-else
- 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"
- fi
-}
-
-check_obdecho() {
- local host=$1
- remote_shell $host lsmod | grep obdecho > /dev/null 2>&1
-}
-
-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
- 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 "$ost_name" ]; then
- echo "client and ost name both null" 1>&2
- return
- fi
- client_name=${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" 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"
-}
-
+# specify obd instances to exercise
+# these can be either...
+# obdfilter instances (set 'ost_names')
+# ...or...
+# echo_client instances (set 'client_names')
+# ... use 'host:name' for obd instances on other nodes.
+# allow these to be passed in via string...
+# 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 libecho
+
+# 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 () {
- # 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
- n=(`awk < $rfile \
- '/is object id/ {obj=strtonum($6);\
- first=!not_first; not_first=1;\
- if (first) first_obj=obj;
- else if (obj != prev + 1) exit;\
- prev=obj; n++}\
- END {printf "%d %d\n", first_obj, n}'`)
- if ((n[1] != nobj)); then
- echo "ERROR"
- else
- echo ${n[0]}
+ first=0
+ prev=0
+ count=0
+ error=0
+ while read line; do
+ echo "$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
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
print_summary () {
if [ "$1" = "-n" ]; then
- minusn=$1; shift
+ minusn=$1; shift
else
- minusn=""
+ minusn=""
fi
echo $minusn "$*" >> $rsltf
echo $minusn "$*"
}
-unique () {
- echo "$@" | xargs -n1 echo | sort -u
-}
+# Customisation variables
+#####################################################################
+# One can change variable values in this section as per requirements
+
+OSTS=${OSTS:-""}
+server_nid=${server_nid:-""}
+case=${case:-"disk"}
+if [ -n "$OSTS" ]; then
+ declare -a ost_names
+ count=0
+ for name in $OSTS; do
+ ost_names[$count]=$name
+ count=$((count+1))
+ done
+fi
+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 $ECHO_CLIENTS; do
+ client_names[$count]=$name
+ count=$((count+1))
+ done
+fi
-split_hostname () {
- name=$1
- case $name in
- *:*) host=`echo $name | sed 's/:.*$//'`
- name=`echo $name | sed 's/[^:]*://'`
- ;;
- *) host=localhost
- ;;
- esac
- echo "$host $name"
-}
+# result file prefix (date/time + hostname makes unique)
+# NB ensure path to it exists
+rslt=${rslt:-"/tmp/obdfilter_survey_`date +%F@%R`_`uname -n`"}
+
+# what tests to run (first must be write)
+tests_str=${tests_str:-""}
+if [ -n "$tests_str" ]; then
+ declare -a tests
+ count=0
+ for name in $tests_str; do
+ tests[$count]=$name
+ count=$((count+1))
+ done
+else
+ #tests=(write rewrite read reread rewrite_again)
+ tests=(write rewrite read)
+fi
+
+# Set this true to check file contents
+verify=0
+
+# total size (MBytes) per obd instance
+# large enough to avoid cache effects
+# and to make test startup/shutdown overhead insignificant
+size=${size:-16384}
+
+# record size (KBytes)
+rszlo=${rszlo:-1024}
+rszhi=${rszhi:-1024}
+
+# number of objects per OST
+nobjlo=${nobjlo:-1}
+#was nobjhi=${nobjhi:-512}
+nobjhi=${nobjhi:-16}
+
+# threads per OST (1024 max)
+thrlo=${thrlo:-1}
+thrhi=${thrhi:-16}
+
+# restart from here iff all are defined
+restart_rsz=
+restart_thr=1
+restart_nobj=1
+
+# machine's page size (K)
+if [ -z "$PAGE_SIZE" ]; then
+ if which python >/dev/null; then
+ PAGE_SIZE=`echo 'import resource; print resource.getpagesize()/1024;' |python`
+ fi
+fi
+PAGE_SIZE=${PAGE_SIZE:-4}
+
+# max buffer_mem (total_threads * buffer size)
+# (to avoid lctl ENOMEM problems)
+max_buffer_mem=$((1024 * 1024))
+snap=1
+
+# Customisation variables ends here.
+#####################################################################
+# leave the rest of this alone unless you know what you're doing...
+
+if [ ${#tests[@]} -eq 0 -o "${tests[0]}" != "write" ]; then
+ echo "tests: ${tests[@]}"
+ echo "First test must be 'write'" 1>&2
+ exit 1
+fi
+
+rsltf="${rslt}.summary"
+workf="${rslt}.detail"
+cmdsf="${rslt}.script"
+vmstatf="${rslt}.vmstat"
+echo -n > $rsltf
+echo -n > $workf
+
+# hide a little trick to unset this from the command line
+if [ "$lustre_root" == " " ]; then
+ unset lustre_root
+fi
+if [ -z "$lustre_root" ]; then
+ lctl=lctl
+else
+ lctl=${lustre_root}/utils/lctl
+fi
+
+if [ $case == "network" ]; then
+ if [ -z "$server_nid" ]; then
+ echo "Specify the server NID"
+ exit 1;
+ fi
+ osc_names_string=`ssh root@"$server_nid" lctl dl`
+ count=0;
+ for name in $osc_names_str; do
+ count=$((count+1))
+ done
+
+ if [ $count != 0 ]; then
+ echo "The existing setup must be cleaned";
+ exit 0;
+ fi
+ # 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
+ if [ "$name" = "ost" ]; then
+ ost=1
+ fi
+ done
+
+ if (( $obdecho == 0 || $ost == 0 )); then
+ echo "Server setup not done properly"
+ exit 1
+ fi
+ # Now start client setup
+ osc_names_str=$(lctl dl)
+ if [ -n "$osc_names_str" ]; then
+ echo "The existing setup must be cleaned";
+ exit 0;
+ fi
+ ec_using_srv_nid $server_nid "osc_testfs" "test_obdfs"
+ declare -a client_names
+ client_names[0]="ECHO_osc_testfs"
+fi
+
+if [ -z "$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
+fi
+
+if [ -z "$OSTS" ]; then
+ if [ $case == "disk" ]; then
+ get_targets
+ fi
+fi
+
+# split out hostnames from client/ost names
ndevs=${#client_names[@]}
if ((ndevs != 0)); then
if ((${#ost_names[@]} != 0)); then
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]}
done
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
- remote_shell $host "echo 0 > /proc/sys/portals/debug"
+ host_vmstatf=${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 check_obdecho $host; then
- continue
+ if obdecho_loaded $host; then
+ continue
fi
load_obdecho $host
- if check_obdecho $host; then
- do_unload_obdecho[$host]=0
- continue
- fi
+ if obdecho_loaded $host; then
+ do_unload_obdecho[$host]=1
+ continue
+ fi
echo "Can't load obdecho on $host" 1>&2
exit 1
done
-for ((i=0; i<ndevs; i++)); do
+# get all the echo_client device numbers and names
+for ((i=0; i < ndevs; i++)); do
host=${host_names[$i]}
devno=(`get_ec_devno $host "${client_names[$i]}" "${ost_names[$i]}"`)
if ((${#devno[@]} != 3)); then
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
- if ((thr < nobj)); then
+for ((rsz = $rszlo; rsz <= $rszhi; rsz*=2)); do
+ for ((nobj = $nobjlo; nobj <= $nobjhi; nobj*=2)); do
+ for ((thr = $thrlo; thr <= $thrhi; thr*=2)); do
+ if ((thr % nobj)); then
continue
fi
# restart?
fi
# create the objects
tmpf="${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[$idx]}"
fi
first_objs[$idx]=$first_obj
done
- for test in write $tests; do
+ # run tests
+ for test in ${tests[@]}; do
+ declare -a pidarray
+ for host in ${unique_hosts[@]}; do
+ echo "starting run for test: $test rsz: $rsz threads: $thr objects: $nobj" >> ${vmstatf}_${host}
+ done
print_summary -n "$test "
+ # create per-host script files
for host in ${unique_hosts[@]}; do
- echo -n > ${workf}_${host}_script
+ 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"
first_obj=${first_objs[$idx]}
- echo >> ${workf}_${host}_script \
+ thr_per_obj=$((${thr}/${nobj}))
+ echo >> ${cmdsf}_${host} \
"$lctl > $tmpfi 2>&1 \\
--threads $thr -$snap $devno \\
- test_brw $count `testname2type $test` q $pages ${thr}t${first_obj} &"
- done
- for host in ${unique_hosts[@]}; do
- echo "wait" >> ${workf}_${host}_script
- done
- t0=`date +%s.%N`
- for host in ${unique_hosts[@]}; do
- remote_shell $host bash ${workf}_${host}_script&
- done
- wait
- t1=`date +%s.%N`
- for host in ${unique_hosts[@]}; do
- rm ${workf}_${host}_script
- done
+ test_brw $count `testname2type $test` q $pages ${thr_per_obj}t${first_obj} &"
+ done
+ pidcount=0
+ for host in ${unique_hosts[@]}; do
+ echo "wait" >> ${cmdsf}_${host}
+ pidarray[$pidcount]=0
+ pidcount=$((pidcount+1))
+ done
+ # timed run of all the per-host script files
+ t0=`date +%s.%N`
+ pidcount=0
+ for host in ${unique_hosts[@]}; do
+ # brutal hack to deal with a non-shared /tmp
+ scp -q ${cmdsf}_${host} ${host}:/tmp > /dev/null
+ remote_shell $host bash ${cmdsf}_${host} &
+ pidarray[$pidcount]=$!
+ pidcount=$((pidcount+1))
+ done
+ pidcount=0
+ for host in ${unique_hosts[@]}; do
+ wait ${pidarray[$pidcount]}
+ pidcount=$((pidcount+1))
+ done
+ #wait
+ t1=`date +%s.%N`
+ # clean up per-host script files
+ for host in ${unique_hosts[@]}; do
+ rm ${cmdsf}_${host}
+ done
+ # compute bandwidth from total data / elapsed time
str=`awk "BEGIN {printf \"%7.2f \",\
$total_size / (( $t1 - $t0 ) * 1024)}"`
print_summary -n "$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" >> $workf
+ host="${host_names[$idx]}"
+ scp -q ${host}:$tmpfi $tmpfi > /dev/null
cat $tmpfi >> $workf
get_stats $tmpfi >> $tmpf
rm $tmpfi
done
+ # compute/display global min/max stats
echo "=============> $test global" >> $workf
cat $tmpf >> $workf
stats=(`get_global_stats $tmpf`)
rm $tmpf
if ((stats[0] <= 0)); then
if ((stats[0] < 0)); then
- str=`printf "%15s " ERROR`
+ str=`printf "%17s " ERROR`
else
- str=`printf "%15s " SHORT`
+ str=`printf "%17s " SHORT`
fi
else
str=`awk "BEGIN {printf \"[%7.2f,%7.2f] \",\
print_summary -n "$str"
done
print_summary ""
- for ((idx=0; idx < ndevs; idx++)); do
+ # destroy objects we created
+ for ((idx = 0; idx < ndevs; idx++)); do
host=${host_names[$idx]}
devno=${devnos[$idx]}
client_name="${host}:${client_names[$idx]}"
done
done
-for ((i=0; i<ndevs; i++)); do
- host=${host_names[$i]}
- if ((${do_teardown_ec[$i]})); then
- teardown_ec_devno $host ${client_names[$i]}
- fi
-done
-
-for host in ${unique_hosts[@]}; do
- if ((${do_unload_obdecho[$host]})); then
- unload_obdecho $host
- fi
-done
+cleanup 0
+exit 0
git://git.whamcloud.com / fs / lustre-release.git / blobdiff