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Merge with old CVS version; this should now contain the best of old CVS and 20051107...
[fs/lustre-release.git] / lustre-iokit / obdfilter-survey / obdfilter-survey
index 6a76292..5deabff 100755 (executable)
@@ -9,36 +9,70 @@
 # ...or...
 # echo_client instances (set 'client_names')
 # ... use 'host:name' for obd instances on other nodes.
-ost_names=(ost{1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16})
+
+# 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)
+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)
 # NB ensure path to it exists
-rslt=/home_nfs/eeb/obdfilter_survey_`date +%F@%R`_`uname -n`
+rslt=${rslt:-"/tmp/obdfilter_survey_`date +%F@%R`_`uname -n`"}
 
 # lustre root (if running with own source tree)
-lustre_root=/home_nfs/eeb/lustre
+lustre_root=${lustre_root:-"/home_nfs/eeb/lustre"}
 
 # what tests to run (first must be write)
-#tests=(write rewrite read reread rewrite_again)
-tests=(write rewrite read)
+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 obd instance
 # large enough to avoid cache effects 
 # and to make test startup/shutdown overhead insignificant
-size=16384
+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=
@@ -46,7 +80,12 @@ restart_thr=1
 restart_nobj=1
 
 # machine's page size (K)
-PAGE_SIZE=64
+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)
@@ -83,6 +122,7 @@ snap=1
 verify=1
 
 if [ ${#tests[@]} -eq 0 -o "${tests[0]}" != "write" ]; then
+    echo "tests: ${tests[@]}"
     echo "First test must be 'write'" 1>&2
     exit 1
 fi
@@ -90,11 +130,19 @@ fi
 rsltf="${rslt}.summary"
 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
@@ -195,17 +243,40 @@ create_objects () {
     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
 }
 
@@ -306,19 +377,27 @@ else
     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 obdecho_loaded $host; then
-       continue
+        continue
     fi
     load_obdecho $host
     if obdecho_loaded $host; then
-       do_unload_obdecho[$host]=1
-       continue
-    fi
+        do_unload_obdecho[$host]=1
+        continue
+        fi
     echo "Can't load obdecho on $host" 1>&2
     exit 1
 done
@@ -388,6 +467,10 @@ for ((rsz=$rszlo;rsz<=$rszhi;rsz*=2)); do
            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 ${unique_hosts[@]}; do
@@ -402,21 +485,32 @@ for ((rsz=$rszlo;rsz<=$rszhi;rsz*=2)); do
                        "$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
-               # timed run of all the per-host script files
-               t0=`date +%s.%N`
-               for host in ${unique_hosts[@]}; do
-                   remote_shell $host bash ${cmdsf}_${host}&
-               done
-               wait
-               t1=`date +%s.%N`
-               # clean up per-host script files
-               for host in ${unique_hosts[@]}; do
-                   rm ${cmdsf}_${host}
-               done
+                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)}"`
@@ -474,8 +568,17 @@ for ((i=0; i<ndevs; i++)); do
 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