X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre-iokit%2Fobdfilter-survey%2Fobdfilter-survey;h=4f8991336528ce16853ae83d9048ef8133454748;hp=b11f898fef078155b63fa6fa619468fd22897f7c;hb=d8d0244bce0afe54e18d43608f2f34b52a58dd7e;hpb=b35c862e781d219adaf4e51be15ff5a4f3f5acdc

diff --git a/lustre-iokit/obdfilter-survey/obdfilter-survey b/lustre-iokit/obdfilter-survey/obdfilter-survey
index b11f898..4f89913 100755
--- a/lustre-iokit/obdfilter-survey/obdfilter-survey
+++ b/lustre-iokit/obdfilter-survey/obdfilter-survey
@@ -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
@@ -329,19 +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 $host" 1>&2
     exit 1
 done
@@ -361,7 +417,7 @@ done
 for ((rsz=$rszlo;rsz<=$rszhi;rsz*=2)); do
     for ((nobj=$nobjlo;nobj<=$nobjhi;nobj*=2)); do 
 	for ((thr=$thrlo;thr<=$thrhi;thr*=2)); do
-	    if ((thr < nobj)); then
+	    if ((thr % nobj)); then
 		continue
 	    fi
 	    # restart?
@@ -411,6 +467,10 @@ for ((rsz=$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 ${unique_hosts[@]}; do
@@ -421,25 +481,37 @@ for ((rsz=$rszlo;rsz<=$rszhi;rsz*=2)); do
 		    devno=${devnos[$idx]}
 		    tmpfi="${tmpf}_$idx"
 		    first_obj=${first_objs[$idx]}
+		    thr_per_obj=$((${thr}/${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" >> ${cmdsf}_${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
+			 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
+                    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)}"`
@@ -497,8 +569,17 @@ 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