######################################################################
# 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)
+# 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...
+ost_names_str=${ost_names_str:-""}
+if [ -n "$ost_names_str" ]; then
+ declare -a ost_names
+ count=0
+ for name in $ost_names_str; do
+ ost_names[$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)
-ost_names=(ns9:ost{1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16})
+client_names_str=${client_names_str:-""}
+if [ -n "$client_names_str" ]; 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 $client_names_str; do
+ client_names[$count]=$name
+ count=$((count+1))
+ done
+fi
# result file prefix (date/time + hostname makes unique)
-rslt=/home_nfs/eeb/obdfilter_survey_`date +%F@%R`_`uname -n`
+# NB ensure path to it exists
+rslt=${rslt:-"/home_nfs/eeb/obdfilter_survey_`date +%F@%R`_`uname -n`"}
# lustre root (if running with own source tree)
-lustre_root=/home_nfs/eeb/lustre
-
-# what to do (we always do an initial write)
-#tests="rewrite read reread rewrite_again"
-tests="rewrite read"
+lustre_root=${lustre_root:-"/home_nfs/eeb/lustre"}
+
+# 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
-# total size (MBytes) per OST
+# total size (MBytes) per obd instance
# large enough to avoid cache effects
# and to make test startup/shutdown overhead insignificant
-size=8192
+size=${size:-16384}
# record size (KBytes)
-rszlo=1024
-rszhi=1024
+rszlo=${rszlo:-1024}
+rszhi=${rszhi:-1024}
# number of objects per OST
-nobjlo=1
-nobjhi=512
+nobjlo=${nobjlo:-1}
+nobjhi=${nobjhi:-512}
# threads per OST (1024 max)
-thrlo=1
-thrhi=64
+thrlo=${thrlo:-1}
+thrhi=${thrhi:-64}
# restart from here iff all are defined
restart_rsz=
restart_nobj=1
# machine's page size (K)
-PAGE_SIZE=64
+PAGE_SIZE=${PAGE_SIZE:-16}
# 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
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"
+ #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/^[^:]*://'
+ pdsh -w $host "cd $here; $cmds" | sed 's/^[^:]*://'
}
#####################################################################
# 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
+# check file contents?
verify=1
+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"
-cmdsf="${rslt}.script"
workf="${rslt}.detail"
+cmdsf="${rslt}.script"
+vmstatf="${rslt}.vmstat"
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
+fi
+
if [ -z "$lustre_root" ]; then
- lctl=lctl
+ lctl=$(which lctl)
else
lctl=${lustre_root}/utils/lctl
fi
shift
cmds="$*"
if [ "$host" = "localhost" -o "$host" = `uname -n` ]; then
- eval "$cmds"
+ eval "$cmds"
else
- custom_remote_shell $host "$cmds"
+ custom_remote_shell $host "$cmds"
fi
}
-check_obdecho() {
+obdecho_loaded() {
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
+ remote_shell $host $modprobe obdecho
elif [ -f ${lustre_root}/obdecho/obdecho.ko ]; then
- remote_shell $host $insmod ${lustre_root}/obdecho/obdecho.ko
+ remote_shell $host $insmod ${lustre_root}/obdecho/obdecho.ko
else
- remote_shell $host $insmod ${lustre_root}/obdecho/obdecho.o
+ remote_shell $host $insmod ${lustre_root}/obdecho/obdecho.o
fi
}
local type=$2
local name=$3
remote_shell $host $lctl device_list | \
- awk "{if (\$2 == \"UP\" && \$3 == \"$type\" && \$4 == \"$name\") {\
- print \$1; exit}}"
+ awk "{if (\$2 == \"UP\" && \$3 == \"$type\" && \$4 == \"$name\") {\
+ print \$1; exit}}"
}
get_ec_devno () {
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
+ 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
+ echo $ec $client_name 0
+ return
fi
if [ -z "$ost_name" ]; then
- echo "no echo client and ost_name not set" 1>&2
- return
+ 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
+ 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
+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
+ echo "Can't setup echo client" 1>&2
+ return
fi
echo $ec $client_name 1
}
local host=$1
local client_name=$2
remote_shell $host "$lctl <<EOF
- cfg $client_name
- cleanup
- detach
+cfg $client_name
+cleanup
+detach
EOF"
}
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
+ echo "ERROR"
+ else
+ echo $first
fi
}
testname2type () {
# 'x' disables data check
if ((verify)); then
- x=""
+ x=""
else
- x="x"
+ x="x"
fi
case $1 in
- *write*) echo "w$x";;
- *) echo "r$x";;
+ *write*) echo "w$x";;
+ *) echo "r$x";;
esac
}
}
split_hostname () {
- name=$1
+ local name=$1
case $name in
*:*) host=`echo $name | sed 's/:.*$//'`
name=`echo $name | sed 's/[^:]*://'`
echo "$host $name"
}
+# split out hostnames from client/ost names
ndevs=${#client_names[@]}
if ((ndevs != 0)); then
if ((${#ost_names[@]} != 0)); then
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]=1
- continue
- fi
+ if obdecho_loaded $host; then
+ do_unload_obdecho[$host]=1
+ continue
+ fi
echo "Can't load obdecho on $host" 1>&2
exit 1
done
+# get all the echo_client device numbers and names
for ((i=0; i<ndevs; i++)); do
host=${host_names[$i]}
devno=(`get_ec_devno $host "${client_names[$i]}" "${ost_names[$i]}"`)
for ((rsz=$rszlo;rsz<=$rszhi;rsz*=2)); do
for ((nobj=$nobjlo;nobj<=$nobjhi;nobj*=2)); do
- for ((thr=$thrlo;thr<=$thrhi;thr*=2)); do
- if ((thr < nobj)); then
- continue
- fi
- # restart?
- if [ -n "$restart_rsz" -a\
- -n "$restart_nobj" -a\
- -n "$restart_thr" ]; then
- if ((rsz < restart_rsz ||\
- (rsz == restart_rsz &&\
- (nobj < restart_nobj ||\
- (nobj == restart_nobj &&\
- thr < restart_thr))))); then
- continue;
- fi
- fi
- # compute parameters
- total_thr=$((ndevs*thr))
- total_nobj=$((ndevs*nobj))
- pages=$((rsz/PAGE_SIZE))
- actual_rsz=$((pages*PAGE_SIZE))
- count=$((size*1024/(actual_rsz*thr)))
- actual_size=$((actual_rsz*count*thr))
- total_size=$((actual_size*ndevs))
- # show computed parameters
- str=`printf 'ost %2d sz %8dK rsz %4d obj %4d thr %4d ' \
- $ndevs $total_size $actual_rsz $total_nobj $total_thr`
- echo "=======================> $str" >> $workf
- print_summary -n "$str"
- if ((total_thr * actual_rsz > max_buffer_mem)); then
- print_summary "Too much buffer space"
- continue
- fi
- # create the objects
- tmpf="${workf}_tmp"
- for ((idx=0; idx < ndevs; idx++)); do
- host=${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 $tmpf
- if [ $first_obj = "ERROR" ]; then
- print_summary "created object #s on $client_name not contiguous"
- exit 1
- fi
- first_objs[$idx]=$first_obj
- done
- for test in write $tests; do
- print_summary -n "$test "
- for host in ${unique_hosts[@]}; do
- echo -n > ${cmdsf}_${host}
- done
- for ((idx=0; idx < ndevs; idx++)); do
- host=${host_names[$idx]}
- devno=${devnos[$idx]}
- tmpfi="${tmpf}_$idx"
- first_obj=${first_objs[$idx]}
- 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" >> ${cmdsf}_${host}
- done
- t0=`date +%s.%N`
- for host in ${unique_hosts[@]}; do
- remote_shell $host bash ${cmdsf}_${host}&
- done
- wait
- t1=`date +%s.%N`
- for host in ${unique_hosts[@]}; do
- rm ${cmdsf}_${host}
- done
- str=`awk "BEGIN {printf \"%7.2f \",\
- $total_size / (( $t1 - $t0 ) * 1024)}"`
- print_summary -n "$str"
- echo -n > $tmpf
- for ((idx=0; idx < ndevs; idx++)); do
- client_name="${host_names[$idx]}:${client_names[$idx]}"
- tmpfi="${tmpf}_$idx"
- echo "=============> $test $client_name" >> $workf
- cat $tmpfi >> $workf
- get_stats $tmpfi >> $tmpf
- rm $tmpfi
- done
- echo "=============> $test global" >> $workf
- cat $tmpf >> $workf
- stats=(`get_global_stats $tmpf`)
- rm $tmpf
- if ((stats[0] <= 0)); then
- if ((stats[0] < 0)); then
- str=`printf "%17s " ERROR`
- else
- str=`printf "%17s " SHORT`
- fi
- else
- str=`awk "BEGIN {printf \"[%7.2f,%7.2f] \",\
- (${stats[1]} * $actual_rsz)/1024,\
- (${stats[2]} * $actual_rsz)/1024; exit}"`
- fi
- print_summary -n "$str"
- done
- print_summary ""
- for ((idx=0; idx < ndevs; idx++)); do
- host=${host_names[$idx]}
- devno=${devnos[$idx]}
- client_name="${host}:${client_names[$idx]}"
- first_obj=${first_objs[$idx]}
- echo "=============> Destroy $nobj on $client_name" >> $workf
- destroy_objects $host $devno $first_obj $nobj $tmpf
- cat $tmpf >> $workf
- rm $tmpf
- done
- done
+ for ((thr=$thrlo;thr<=$thrhi;thr*=2)); do
+ if ((thr < nobj)); then
+ continue
+ fi
+ # restart?
+ if [ -n "$restart_rsz" -a\
+ -n "$restart_nobj" -a\
+ -n "$restart_thr" ]; then
+ if ((rsz < restart_rsz ||\
+ (rsz == restart_rsz &&\
+ (nobj < restart_nobj ||\
+ (nobj == restart_nobj &&\
+ thr < restart_thr))))); then
+ continue;
+ fi
+ fi
+ # compute parameters
+ total_thr=$((ndevs*thr))
+ total_nobj=$((ndevs*nobj))
+ pages=$((rsz/PAGE_SIZE))
+ actual_rsz=$((pages*PAGE_SIZE))
+ count=$((size*1024/(actual_rsz*thr)))
+ actual_size=$((actual_rsz*count*thr))
+ total_size=$((actual_size*ndevs))
+ # show computed parameters
+ str=`printf 'ost %2d sz %8dK rsz %4d obj %4d thr %4d ' \
+ $ndevs $total_size $actual_rsz $total_nobj $total_thr`
+ echo "=======================> $str" >> $workf
+ print_summary -n "$str"
+ if ((total_thr * actual_rsz > max_buffer_mem)); then
+ print_summary "Too much buffer space"
+ continue
+ fi
+ # create the objects
+ tmpf="${workf}_tmp"
+ for ((idx=0; idx < ndevs; idx++)); do
+ host=${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 $tmpf
+ if [ $first_obj = "ERROR" ]; then
+ print_summary "created object #s on $client_name not contiguous"
+ exit 1
+ fi
+ first_objs[$idx]=$first_obj
+ done
+ # 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 > ${cmdsf}_${host}
+ done
+ for ((idx=0; idx < ndevs; idx++)); do
+ host=${host_names[$idx]}
+ devno=${devnos[$idx]}
+ tmpfi="${tmpf}_$idx"
+ first_obj=${first_objs[$idx]}
+ echo >> ${cmdsf}_${host} \
+ "$lctl > $tmpfi 2>&1 \\
+ --threads $thr -$snap $devno \\
+ test_brw $count `testname2type $test` q $pages ${thr}t${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
+ 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 > $tmpf
+ for ((idx=0; idx < ndevs; idx++)); do
+ client_name="${host_names[$idx]}:${client_names[$idx]}"
+ tmpfi="${tmpf}_$idx"
+ echo "=============> $test $client_name" >> $workf
+ 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 $tmpf
+ if ((stats[0] <= 0)); then
+ if ((stats[0] < 0)); then
+ str=`printf "%17s " ERROR`
+ else
+ str=`printf "%17s " SHORT`
+ fi
+ else
+ str=`awk "BEGIN {printf \"[%7.2f,%7.2f] \",\
+ (${stats[1]} * $actual_rsz)/1024,\
+ (${stats[2]} * $actual_rsz)/1024; exit}"`
+ fi
+ print_summary -n "$str"
+ done
+ print_summary ""
+ # destroy objects we created
+ for ((idx=0; idx < ndevs; idx++)); do
+ host=${host_names[$idx]}
+ devno=${devnos[$idx]}
+ client_name="${host}:${client_names[$idx]}"
+ first_obj=${first_objs[$idx]}
+ echo "=============> Destroy $nobj on $client_name" >> $workf
+ destroy_objects $host $devno $first_obj $nobj $tmpf
+ cat $tmpf >> $workf
+ 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]}
+ 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
+ unload_obdecho $host
fi
done
+
+exit 0
git://git.whamcloud.com / fs / lustre-release.git / blobdiff