lustre/tests/scrub-performance.sh

   1 #!/bin/bash
   2
   3 set -e
   4
   5 ONLY=${ONLY:-"$*"}
   6 ALWAYS_EXCEPT="$SCRUB_PERFORMANCE_EXCEPT"
   7 [ "$SLOW" = "no" ] && EXCEPT_SLOW=""
   8 # UPDATE THE COMMENT ABOVE WITH BUG NUMBERS WHEN CHANGING ALWAYS_EXCEPT!
   9
  10 LUSTRE=${LUSTRE:-$(cd $(dirname $0)/..; echo $PWD)}
  11 . $LUSTRE/tests/test-framework.sh
  12 init_test_env $@
  13 . ${CONFIG:=$LUSTRE/tests/cfg/$NAME.sh}
  14 init_logging
  15
  16 [ $(facet_fstype $SINGLEMDS) != ldiskfs ] &&
  17         skip "OI scrub performance only for ldiskfs" && exit 0
  18 [[ $(lustre_version_code $SINGLEMDS) -lt $(version_code 2.2.90) ]] &&
  19         skip "Need MDS version at least 2.2.90" && exit 0
  20 require_dsh_mds || exit 0
  21 [ "$SLOW" = "no" ] && skip "skip scrub performance test under non-SLOW mode"
  22
  23
  24 NTHREADS=${NTHREADS:-0}
  25 UNIT=${UNIT:-1048576}
  26 BACKUP=${BACKUP:-0}
  27 MINCOUNT=${MINCOUNT:-8192}
  28 MAXCOUNT=${MAXCOUNT:-32768}
  29 FACTOR=${FACTOR:-2}
  30
  31 RCMD="do_facet ${SINGLEMDS}"
  32 RLCTL="${RCMD} ${LCTL}"
  33 MDT_DEV="${FSNAME}-MDT0000"
  34 MDT_DEVNAME=$(mdsdevname ${SINGLEMDS//mds/})
  35 SHOW_SCRUB="${RLCTL} get_param -n osd-ldiskfs.${MDT_DEV}.oi_scrub"
  36 remote_mds && ECHOCMD=${RCMD} || ECHOCMD="eval"
  37
  38 if [ ${NTHREADS} -eq 0 ]; then
  39         CPUCORE=$(${RCMD} cat /proc/cpuinfo | grep "processor.*:" | wc -l)
  40         NTHREADS=$((CPUCORE * 2))
  41 fi
  42
  43 stopall
  44 do_rpc_nodes $(facet_active_host $SINGLEMDS) load_modules_local
  45 reformat_external_journal ${SINGLEMDS}
  46 add ${SINGLEMDS} $(mkfs_opts ${SINGLEMDS} ${MDT_DEVNAME}) --backfstype ldiskfs \
  47         --reformat ${MDT_DEVNAME} $(mdsvdevname 1) > /dev/null || exit 2
  48
  49 scrub_attach() {
  50         ${ECHOCMD} "${LCTL} <<-EOF
  51                 attach echo_client scrub-MDT0000 scrub-MDT0000_UUID
  52                 setup ${MDT_DEV} mdd
  53         EOF"
  54 }
  55
  56 scrub_detach() {
  57         ${ECHOCMD} "${LCTL} <<-EOF
  58                 device scrub-MDT0000
  59                 cleanup
  60                 detach
  61         EOF"
  62 }
  63
  64 scrub_create() {
  65         local echodev=$(${RLCTL} dl | grep echo_client|awk '{print $1}')
  66         local j
  67
  68         ${ECHOCMD} "${LCTL} <<-EOF
  69                 cfg_device ${echodev}
  70                 test_mkdir ${tdir}
  71         EOF"
  72
  73         for ((j=1; j<${threads}; j++)); do
  74                 ${ECHOCMD} "${LCTL} <<-EOF
  75                         cfg_device ${echodev}
  76                         test_mkdir ${tdir}${j}
  77                 EOF"
  78         done
  79
  80         ${ECHOCMD} "${LCTL} <<-EOF
  81                 cfg_device ${echodev}
  82                 --threads ${threads} 0 ${echodev} test_create \
  83                 -d ${tdir} -D ${threads} -b ${lbase} -c 0 -n ${usize}
  84         EOF"
  85 }
  86
  87 scrub_cleanup() {
  88         do_rpc_nodes $(facet_active_host $SINGLEMDS) unload_modules
  89         formatall
  90 }
  91
  92 scrub_create_nfiles() {
  93         local total=$1
  94         local lbase=$2
  95         local threads=$3
  96         local ldir="/test-${lbase}"
  97         local cycle=0
  98         local count=${UNIT}
  99
 100         while true; do
 101                 [ ${count} -eq 0 -o  ${count} -gt ${total} ] && count=${total}
 102                 local usize=$((count / NTHREADS))
 103                 [ ${usize} -eq 0 ] && break
 104                 local tdir=${ldir}-${cycle}-
 105
 106                 echo "[cycle: ${cycle}] [threads: ${threads}]"\
 107                      "[files: ${count}] [basedir: ${tdir}]"
 108                 start ${SINGLEMDS} $MDT_DEVNAME $MDS_MOUNT_OPTS ||
 109                         error "Fail to start MDS!"
 110                 scrub_attach
 111                 scrub_create
 112                 scrub_detach
 113                 stop ${SINGLEMDS} || error "Fail to stop MDS!"
 114
 115                 total=$((total - usize * NTHREADS))
 116                 [ ${total} -eq 0 ] && break
 117                 lbase=$((lbase + usize))
 118                 cycle=$((cycle + 1))
 119         done
 120 }
 121
 122 build_test_filter
 123
 124 test_0() {
 125         local BASECOUNT=0
 126         local i
 127
 128         for ((i=$MINCOUNT; i<=$MAXCOUNT; i=$((i * FACTOR)))); do
 129                 local nfiles=$((i - BASECOUNT))
 130                 local stime=$(date +%s)
 131
 132                 echo "+++ start to create for ${i} files set at: $(date) +++"
 133                 scrub_create_nfiles ${nfiles} ${BASECOUNT} ${NTHREADS} ||
 134                         error "Fail to create files!"
 135                 echo "+++ end to create for ${i} files set at: $(date) +++"
 136                 local etime=$(date +%s)
 137                 local delta=$((etime - stime))
 138                 [ $delta -gt 0 ] || delta=1
 139                 echo "create ${nfiles} files used ${delta} seconds"
 140                 echo "create speed is $((nfiles / delta))/sec"
 141
 142                 BASECOUNT=${i}
 143                 if [ ${BACKUP} -ne 0 ]; then
 144                         stime=$(date +%s)
 145                         echo "backup/restore ${i} files start at: $(date)"
 146                         mds_backup_restore $SINGLEMDS ||
 147                                 error "Fail to backup/restore!"
 148                         echo "backup/restore ${i} files end at: $(date)"
 149                         etime=$(date +%s)
 150                         delta=$((etime - stime))
 151                         [ $delta -gt 0 ] || delta=1
 152                         echo "backup/restore ${i} files used ${delta} seconds"
 153                         echo "backup/restore speed is $((i / delta))/sec"
 154                 else
 155                         mds_remove_ois $SINGLEMDS ||
 156                                 error "Fail to remove/recreate!"
 157                 fi
 158
 159                 echo "--- start to rebuild OI for $i files set at: $(date) ---"
 160                 start ${SINGLEMDS} $MDT_DEVNAME $MDS_MOUNT_OPTS > /dev/null ||
 161                         error "Fail to start MDS!"
 162
 163                 while true; do
 164                         local STATUS=$($SHOW_SCRUB |
 165                                         awk '/^status/ { print $2 }')
 166                         [ "$STATUS" == "completed" ] && break
 167                         sleep 3 # check status every 3 seconds
 168                 done
 169
 170                 echo "--- end to rebuild OI for ${i} files set at: $(date) ---"
 171                 local RTIME=$($SHOW_SCRUB | awk '/^run_time/ { print $2 }')
 172                 echo "rebuild OI for ${i} files used ${RTIME} seconds"
 173                 local SPEED=$($SHOW_SCRUB | awk '/^average_speed/ { print $2 }')
 174                 echo "rebuild speed is ${SPEED}/sec"
 175                 stop ${SINGLEMDS} > /dev/null || error "Fail to stop MDS!"
 176         done
 177 }
 178 run_test 0 "OI scrub performance test"
 179
 180 # cleanup the system at last
 181 scrub_cleanup
 182 complete $SECONDS
 183 exit_status