#!/bin/bash
-# cluster name (expect all node names to be this followed by a number)
-cluster=mdev
+# the value of these can be set in the environment.
+# This test assumes a typical pdsh naming scheme, where
+# node names can be expressed as a string
+# forllowed by a number
+# cluster name (all node names are this followed by the node number)
+cluster=${cluster:-""}
+if [ -z "$cluster" ];then echo "cluster not defined"; exit 1; fi
# client node numbers (individual numbers or inclusive ranges)
-clients=(7-8)
+clients=${clients:-""}
+if [ -z "$clients" ]; then echo "clients not defined"; exit 1; fi
# numbers of clients to survey
-clients_lo=1
-clients_hi=2
-clients_iterator="+=1"
+clients_lo=${clients_lo:-1}
+clients_hi=${clients_hi:-3}
+clients_iterator=${clients_iterator:-"+=1"}
# numbers of tasks per client to survey
-tasks_per_client_lo=1
-tasks_per_client_hi=16
-tasks_per_client_iterator="*=4"
+tasks_per_client_lo=${task_per_client_lo:-1}
+tasks_per_client_hi=${tasks_per_client_hi:-8}
+tasks_per_client_iterator=${tasks_per_client_iterator:-"*=2"}
# record sizes to survey
-rsize_lo=1M
-rsize_hi=1M
-rsize_iterator="*=2"
+rsize_lo=${rsize_lo:-1M}
+rsize_hi=${rsize_hi:-1M}
+rsize_iterator=${rsize_iterator:-"*=2"}
## which tests to run (first must be write)
-# remount) not really a test; just remount to uncache everything
+# clear_cache) not really a test; just uncache everything
# *write*) write
# *) read
-#tests=(write rewrite read reread rewrite_again)
-tests=(write rewrite remount read)
+tests=(write rewrite clear_cache read reread)
# total # bytes written/read by any client node
-min_per_client_size=75M
-min_total_size=100M
+min_per_client_size=${min_per_client_size:-"1G"}
+min_total_size=${min_total_size:-"2G"}
# should each task do I/O to its own file?
-file_per_task=1
+file_per_task=${file_per_task:-1}
-# the IOR binary
-IOR="/home/ericb/ior/src/C/IOR"
+# the binaries
+IOR=${IOR:-"/usr/local/sbin/IOR"}
+llmount=${llmount:-"llmount"}
+# Select mpirun, yod, or pdsh
+fanout_cmd=${fanout_cmd:-"pdsh"}
+# mpirun still uses pdsh for cleanup
+pdsh=${pdsh:-"pdsh"}
+pdsh_args="-R ssh -S -b -w "
-# the pdsh binary
-pdsh=pdsh
-
-# the llmount binary
-llmount=/home/ericb/lustre/utils/llmount
+# the result file prefix (date/time + hostname makes unique)
+rslt_loc=${rslt_loc:-"/tmp"}
+rslt=${rslt:-"$rslt_loc/ior_survey_`date +%F@%R`_`uname -n`"}
# where lustre is mounted on the clients
-lustre=/mnt/lustre
+lustre=${lustre:-"/mnt/lustre"}
# basename of the test file(s)
-testfile=${lustre}/ior_survey_testfile
-
-# how to unmount and remount the F/S on a client (to clear the cache)
-remount="umount $lustre && $llmount -o nettype=elan mdev6:/ll_mds/client $lustre"
-
-# the result file prefix (date/time + hostname makes unique)
-#rslt=/home/ericb/ior_survey_`date +%F@%R`_`uname -n`
-rslt=/home/ericb/ior_survey
+testfile=${testfile:-"${lustre}/ior/ior_survey_testfile"}
#don't spin for MPI completions
export LIBELAN_WAITTYPE=0
################################################################################
-# dont change stuff below here
+# dont change stuff below here unless you know what you're doing...
+
+# This is to allow use of yod, pdsh, etc.
+fanout() {
+ local clients=$1; shift
+ local tmpfile=$1; shift
+ local result
+ case $fanout_cmd in
+ 'pdsh')
+ $fanout_cmd $pdsh_args "$clients" "$@" >> $tmpfile 2>&1
+ echo $?
+ return
+ ;;
+ 'mpirun')
+ # horrible misuse of globals
+ $fanout_cmd -np $((ntask*nclnt)) "$@" >> $tmpfile 2>&1
+ echo $?
+ return
+ ;;
+ 'yod')
+ # and another
+ $fanout_cmd -np $((ntask*nclnt)) "$@" >> $tmpfile 2>&1
+ echo $?
+ return
+ ;;
+
+ *)
+ echo "255"
+ return
+ ;;
+ esac
+}
+dump_cache() {
+ # we are assuming mpi uses will also have pdsh
+ local clients=$1;shift
+ local tmpfile=$1;shift
+ clear_cache='for LRU in /proc/fs/lustre/ldlm/namespaces/*/lru_size;
+ do sudo /bin/bash -c "echo clear > $LRU"; done'
+ echo "=> $clear_cache" >> $tmpfile
+ $pdsh $pdsh_args "$test_clients" "$clear_cache" >> $tmpfile 2>&1
+ status=$?
+ echo "Completion Status: $status" >> $tmpfile
+
+ if ((status)); then
+ echo "ERROR"
+ else
+ echo "OK"
+ fi
+}
count_range() {
echo $1 | awk '{ nvals=split($1, vals, "-");\
if (nvals == 1) print 1;\
}
idx2nodenum() {
- n=$1; shift
+ local n=$1; shift
while ((1)); do
- range=$1; shift
+ local range=$1; shift
if [ -z "$range" ]; then
return
fi
chunk=`count_range $range`
- if ((chunk > n)); then
+ if ((chunk > $n)); then
base=`base_range $range`
echo $((base + n))
return
}
n2noderange() {
- n=$1; shift
+ local n=$1; shift
sep=""
nodes="["
while ((n > 0)); do
- range=$1; shift
+ local range=$1; shift
if [ -z "$range" ]; then
return
fi
- base=`base_range $range`
- chunk=`count_range $range`
- if ((chunk > n)); then chunk=n; fi
- nodes="${nodes}${sep}${base}"; sep=","
+ local base=`base_range $range`
+ local chunk=`count_range $range`
+ if ((chunk > $n)); then chunk=$n; fi
+ local nodes="${nodes}${sep}${base}"; sep=","
if ((chunk > 1)); then nodes="${nodes}-$((base+chunk-1))"; fi
n=$((n-chunk))
done
}
countnodes() {
- radix=16384
- n=0
+ local radix=16384
+ local n=0
while ((radix > 0)); do
- nodes=`n2noderange $((n+radix)) $@`
+ local nodes=`n2noderange $((n+radix)) $@`
if [ -n "$nodes" ]; then
n=$((n+radix))
fi
}
parse_number() {
- str=$1
+ local str=$1
case $str in
*G|*g) n=`echo $str | sed 's/[gG]//'`; echo $((n*1024*1024*1024));;
*M|*m) n=`echo $str | sed 's/[Mm]//'`; echo $((n*1024*1024));;
}
pp_number() {
- n=$1
- G=$((1024*1024*1024))
- M=$((1024*1024))
- K=$((1024))
- if ((n%G == 0 && n >= G)); then
+ local n=$1
+ local G=$((1024*1024*1024))
+ local M=$((1024*1024))
+ local K=$((1024))
+ if ((n%G == 0 && n >= $G)); then
echo "$((n/G))G"
- elif ((n%M == 0 && n >= M)); then
+ elif ((n%M == 0 && n >= $M)); then
echo "$((n/M))M"
- elif ((n%K == 0 && n >= K)); then
+ elif ((n%K == 0 && n >= $K)); then
echo "$((n/K))K"
else
echo $n
fi
rsltf="${rslt}.summary"
-iorcf="${rslt}.script"
workf="${rslt}.detail"
-tmpf="${workf}_tmp"
-
echo -n > $rsltf
echo -n > $workf
echo $minusn "$*"
}
+check_mount() {
+ local lustre=$1; shift
+ local tmpb=$1; shift
+ local clients=$1; shift
+ local tmpfile=${tmpb}_tmp
+ # check lustre is mounted everywhere it's needed
+ cmd="grep $lustre /proc/mounts"
+ $pdsh $pdsh_args "$clients" "$cmd" >> $tmpfile
+ status=$?
+ if (($status)); then
+ print_summary "Lustre NOT mounted on $lustre somewhere"
+ exit 1
+ fi
+
+}
+# convert params to actual numbers
min_per_client_size=`parse_number $min_per_client_size`
min_total_size=`parse_number $min_total_size`
rsize_lo=`parse_number $rsize_lo`
rsize_hi=`parse_number $rsize_hi`
+# check on actual numbers of client nodes
nclients=`countnodes ${clients[@]}`
+if ((clients_hi > $nclients)); then clients_hi=$nclients; fi
-if ((clients_hi > nclients)); then clients_hi=$nclients; fi
+cur_date=`date`
+machine=`uname -n`
+script_name=`echo $0 | cut -d "/" -f2`
-for ((rsize=rsize_lo; rsize<=rsize_hi; rsize$rsize_iterator)); do
+echo "$cur_date $script_name on $lustre from $machine" >> $workf
+
+for ((rsize=$rsize_lo; rsize<=$rsize_hi; rsize$rsize_iterator)); do
pp_rsize=`pp_number $rsize`
- for ((nclnt=clients_lo; nclnt<=clients_hi; nclnt$clients_iterator)); do
+ for ((nclnt=$clients_lo; nclnt<=$clients_hi; nclnt$clients_iterator)); do
test_clients="${cluster}`n2noderange $nclnt ${clients[@]}`"
-
+ echo $test_clients
+ if [ "$fanout_cmd" = "pdsh" ] || [ "$fanout_cmd" = "mpirun" ];then
+ check_mount $lustre $workf $test_clients
+ fi
per_client_size=$((min_total_size/nclnt))
- if ((per_client_size < min_per_client_size)); then
+ if ((per_client_size < $min_per_client_size)); then
per_client_size=$min_per_client_size
fi
- total_size=`pp_number $((per_client_size * nclnt))`
- for ((ntask=tasks_per_client_lo; ntask <= tasks_per_client_hi; ntask$tasks_per_client_iterator)); do
+ for ((ntask=$tasks_per_client_lo; ntask <= $tasks_per_client_hi; \
+ ntask$tasks_per_client_iterator)); do
per_task_size=$((per_client_size/ntask))
+ if ((per_task_size%rsize != 0)); then
+ per_task_size=$(((per_task_size/rsize + 1)*rsize))
+ fi
+ total_size=`pp_number $((per_task_size*nclnt*ntask))`
- hdrstr=`printf "Total: %5sB rsize: %4s clients: %4d tasks: %3d: " $total_size $rsize $nclnt $ntask`
+ hdrstr=`printf "Total: %5sB rsize: %4sB clients: %4d tasks: %3d: " \
+ $total_size $pp_rsize $nclnt $ntask`
print_summary -n "$hdrstr"
for ((test_idx=0; test_idx < ${#tests[@]}; test_idx++)); do
print_summary -n "$test "
echo "===========> ${hdrstr} on $test_clients doing $test" >> $workf
+ tmpf=${workf}_tmp
echo -n > $tmpf
- if [ "$test" = "remount" ]; then
- echo "=> $remount" >> $tmpf
- $pdsh -S -b -w "$test_clients" >> $tmpf 2>&1 \
- "$remount"
- status=$?
- echo "Completion Status: $status" >> $tmpf
-
- if ((status)); then
- result="ERROR"
- else
- result="OK"
- fi
+ if [ "$test" = "clear_cache" ]; then
+ if [ "$fanout_cmd" = "pdsh" ] || [ "$fanout_cmd" = "mpirun" ]; then
+ result=`dump_cache $test_clients $tmpf`
+ else
+ echo "Haven't figured out how to clear cache" >> $tmpf
+ result="N/A"
+ fi
else
- cmd="(mount -t lustre; mount -t lustre_lite) | grep $lustre"
- echo "=> $cmd" >> $tmpf
- $pdsh -S -b -w "$test_clients" >> $tmpf 2>&1 \
- "$cmd"
- status=$?
- echo "Completion Status: $status" >> $tmpf
-
- if ((status)); then
- cat $tmpf >> $workf
- rm $tmpf
- print_summary "Lustre NOT mounted on $lustre somewhere"
- exit 1
- fi
cmdline=(
$IOR # the command
idx=${#cmdline[@]}
# keep the test file(s) unless this is the last test
- ((test_idx < ${#tests[@]}-1)) && cmdline[$((idx++))]="-k"
+ #((test_idx < ${#tests[@]}-1)) && cmdline[$((idx++))]="-k"
+ cmdline[$((idx++))]="-k"
# use the existing test file(s) unless this is the first test
((test_idx > 0)) && cmdline[$((idx++))]="-E"
# file-per-task
- ((file_per_task)) && cmdline[$((idx++))]="-F"
+ (($file_per_task)) && cmdline[$((idx++))]="-F"
case "$test" in
*write*) cmdline[$((idx++))]="-w"
echo "=> ${cmdline[@]}" >> $tmpf
- $pdsh -S -b -Rmqsh -w "$test_clients" -n $ntask >> $tmpf 2>&1 \
- "${cmdline[@]}"
- status=$?
+ status=`fanout $test_clients $tmpf ${cmdline[@]}`
echo "Completion Status: $status" >> $tmpf
- if ((status)); then
+ if (($status)); then
result="ERROR"
else
- result=`awk < $tmpf "/$awkstr/ {print $ 3; found=1; exit}\
+ # pdsh adds an extra field
+ if [ "$fanout_cmd" = "pdsh" ]; then
+ result=`awk < $tmpf "/$awkstr/ {print $ 4; found=1; exit}\
+ END {if (!found) print \"ERROR\"}"`
+ else
+ result=`awk < $tmpf "/$awkstr/ {print $ 3; found=1; exit}\
END {if (!found) print \"ERROR\"}"`
+ fi
fi
fi
done
done
-# rm $iorcf
git://git.whamcloud.com / fs / lustre-release.git / blobdiff