scripts/zpios.sh

   1 #!/bin/bash
   2 #
   3 # Wrapper script for easily running zpios based tests
   4 #
   5
   6 basedir="$(dirname $0)"
   7
   8 SCRIPT_COMMON=common.sh
   9 if [ -f "${basedir}/${SCRIPT_COMMON}" ]; then
  10 . "${basedir}/${SCRIPT_COMMON}"
  11 else
  12 echo "Missing helper script ${SCRIPT_COMMON}" && exit 1
  13 fi
  14
  15 PROG=zpios.sh
  16 DATE=`date +%Y%m%d-%H%M%S`
  17 if [ "${ZPIOS_MODULES}" ]; then
  18         MODULES=(${ZPIOS_MODULES[*]})
  19 else
  20         MODULES=(zpios)
  21 fi
  22
  23 usage() {
  24 cat << EOF
  25 USAGE:
  26 $0 [hvp] <-c config> <-t test>
  27
  28 DESCRIPTION:
  29         Helper script for easy zpios benchmarking.
  30
  31 OPTIONS:
  32         -h      Show this message
  33         -v      Verbose
  34         -f      Force everything
  35         -p      Enable profiling
  36         -c      Zpool configuration
  37         -t      Zpios test
  38         -o      Additional zpios options
  39         -l      Additional zpool options
  40         -s      Additional zfs options
  41
  42 EOF
  43 }
  44
  45 unload_die() {
  46         unload_modules
  47         while [ -c /dev/zpios ]; do
  48                 sleep 1
  49         done
  50
  51         exit 1
  52 }
  53
  54 print_header() {
  55         echo --------------------- ZPIOS RESULTS ----------------------------
  56         echo -n "Date: "; date
  57         echo -n "Kernel: "; uname -r
  58         dmesg | grep "Loaded Solaris Porting Layer" | tail -n1
  59         dmesg | grep "Loaded ZFS Filesystem" | tail -n1
  60         echo
  61 }
  62
  63 print_spl_info() {
  64         echo --------------------- SPL Tunings ------------------------------
  65         ${SYSCTL} -A | grep spl
  66
  67         if [ -d /sys/module/spl/parameters ]; then
  68                 grep [0-9] /sys/module/spl/parameters/*
  69         else
  70                 grep [0-9] /sys/module/spl/*
  71         fi
  72
  73         echo
  74 }
  75
  76 print_zfs_info() {
  77         echo --------------------- ZFS Tunings ------------------------------
  78         ${SYSCTL} -A | grep zfs
  79
  80         if [ -d /sys/module/zfs/parameters ]; then
  81                 grep [0-9] /sys/module/zfs/parameters/*
  82         else
  83                 grep [0-9] /sys/module/zfs/*
  84         fi
  85
  86         echo
  87 }
  88
  89 print_stats() {
  90         echo ---------------------- Statistics -------------------------------
  91         ${SYSCTL} -A | grep spl | grep stack_max
  92
  93         if [ -d /proc/spl/kstat/ ]; then
  94                 if [ -f /proc/spl/kstat/zfs/arcstats ]; then
  95                         echo "* ARC"
  96                         cat /proc/spl/kstat/zfs/arcstats
  97                         echo
  98                 fi
  99
 100                 if [ -f /proc/spl/kstat/zfs/vdev_cache_stats ]; then
 101                         echo "* VDEV Cache"
 102                         cat /proc/spl/kstat/zfs/vdev_cache_stats
 103                         echo
 104                 fi
 105         fi
 106
 107         if [ -f /proc/spl/kmem/slab ]; then
 108                 echo "* SPL SLAB"
 109                 cat /proc/spl/kmem/slab
 110                 echo
 111         fi
 112
 113         echo
 114 }
 115
 116 check_test() {
 117
 118         if [ ! -f ${ZPIOS_TEST} ]; then
 119                 local NAME=`basename ${ZPIOS_TEST} .sh`
 120                 ERROR="Unknown test '${NAME}', available tests are:\n"
 121
 122                 for TST in `ls ${ZPIOSDIR}/ | grep ".sh"`; do
 123                         local NAME=`basename ${TST} .sh`
 124                         ERROR="${ERROR}${NAME}\n"
 125                 done
 126
 127                 return 1
 128         fi
 129
 130         return 0
 131 }
 132
 133 zpios_profile_config() {
 134 cat > ${PROFILE_DIR}/zpios-config.sh << EOF
 135 #
 136 # Zpios Profiling Configuration
 137 #
 138
 139 PROFILE_DIR=/tmp/zpios/${ZPOOL_CONFIG}+${ZPIOS_TEST_ARG}+${DATE}
 140 PROFILE_PRE=${ZPIOSPROFILEDIR}/zpios-profile-pre.sh
 141 PROFILE_POST=${ZPIOSPROFILEDIR}/zpios-profile-post.sh
 142 PROFILE_USER=${ZPIOSPROFILEDIR}/zpios-profile.sh
 143 PROFILE_PIDS=${ZPIOSPROFILEDIR}/zpios-profile-pids.sh
 144 PROFILE_DISK=${ZPIOSPROFILEDIR}/zpios-profile-disk.sh
 145 PROFILE_ARC_PROC=/proc/spl/kstat/zfs/arcstats
 146 PROFILE_VDEV_CACHE_PROC=/proc/spl/kstat/zfs/vdev_cache_stats
 147
 148 OPROFILE_KERNEL="/boot/vmlinux-`uname -r`"
 149 OPROFILE_KERNEL_DIR="/lib/modules/`uname -r`/kernel/"
 150 OPROFILE_SPL_DIR=${SPLBUILD}/module/
 151 OPROFILE_ZFS_DIR=${MODDIR}
 152
 153 EOF
 154 }
 155
 156 zpios_profile_start() {
 157         PROFILE_DIR=/tmp/zpios/${ZPOOL_CONFIG}+${ZPIOS_TEST_ARG}+${DATE}
 158
 159         mkdir -p ${PROFILE_DIR}
 160         zpios_profile_config
 161         . ${PROFILE_DIR}/zpios-config.sh
 162
 163         ZPIOS_OPTIONS="${ZPIOS_OPTIONS} --log=${PROFILE_DIR}"
 164         ZPIOS_OPTIONS="${ZPIOS_OPTIONS} --prerun=${PROFILE_PRE}"
 165         ZPIOS_OPTIONS="${ZPIOS_OPTIONS} --postrun=${PROFILE_POST}"
 166
 167         /usr/bin/opcontrol --init
 168         /usr/bin/opcontrol --setup --vmlinux=${OPROFILE_KERNEL}
 169 }
 170
 171 zpios_profile_stop() {
 172         /usr/bin/opcontrol --shutdown
 173         /usr/bin/opcontrol --deinit
 174 }
 175
 176 PROFILE=
 177 ZPOOL_CONFIG=zpool-config.sh
 178 ZPIOS_TEST=zpios-test.sh
 179 ZPOOL_NAME=zpios
 180 ZPIOS_OPTIONS=
 181 ZPOOL_OPTIONS=""
 182 ZFS_OPTIONS=""
 183
 184 while getopts 'hvfpc:t:o:l:s:' OPTION; do
 185         case $OPTION in
 186         h)
 187                 usage
 188                 exit 1
 189                 ;;
 190         v)
 191                 VERBOSE=1
 192                 VERBOSE_FLAG="-v"
 193                 ;;
 194         f)
 195                 FORCE=1
 196                 FORCE_FLAG="-f"
 197                 ;;
 198         p)
 199                 PROFILE=1
 200                 ;;
 201         c)
 202                 ZPOOL_CONFIG=${OPTARG}
 203                 ;;
 204         t)
 205                 ZPIOS_TEST_ARG=${OPTARG}
 206                 ZPIOS_TEST=${ZPIOSDIR}/${OPTARG}.sh
 207                 ;;
 208         o)
 209                 ZPIOS_OPTIONS=${OPTARG}
 210                 ;;
 211         l)      # Passed through to zpool-create.sh
 212                 ZPOOL_OPTIONS=${OPTARG}
 213                 ;;
 214         s)      # Passed through to zpool-create.sh
 215                 ZFS_OPTIONS=${OPTARG}
 216                 ;;
 217         ?)
 218                 usage
 219                 exit
 220                 ;;
 221         esac
 222 done
 223
 224 if [ $(id -u) != 0 ]; then
 225         die "Must run as root"
 226 fi
 227
 228 # Validate and source your test config
 229 check_test || die "${ERROR}"
 230 . ${ZPIOS_TEST}
 231
 232 # Pull in the zpios test module if not loaded.  If this fails, it is
 233 # likely because the full module stack was not yet loaded with zfs.sh
 234 if check_modules; then
 235         if ! load_modules; then
 236                 die "Run 'zfs.sh' to ensure the full module stack is loaded"
 237         fi
 238 fi
 239
 240 # Wait for device creation
 241 while [ ! -c /dev/zpios ]; do
 242         sleep 1
 243 done
 244
 245 if [ ${VERBOSE} ]; then
 246         print_header
 247         print_spl_info
 248         print_zfs_info
 249 fi
 250
 251 # Create the zpool configuration
 252 ${ZPOOL_CREATE_SH} ${VERBOSE_FLAG} ${FORCE_FLAG} \
 253         -p ${ZPOOL_NAME} -c ${ZPOOL_CONFIG} \
 254         -l "${ZPOOL_OPTIONS}" -s "${ZFS_OPTIONS}" || unload_die
 255
 256 if [ ${PROFILE} ]; then
 257         zpios_profile_start
 258 fi
 259
 260 zpios_start
 261 zpios_stop
 262
 263 if [ ${PROFILE} ]; then
 264         zpios_profile_stop
 265 fi
 266
 267 if [ ${VERBOSE} ]; then
 268         print_stats
 269 fi
 270
 271 # Destroy the zpool configuration
 272 ${ZPOOL_CREATE_SH} ${VERBOSE_FLAG} ${FORCE_FLAG} \
 273         -p ${ZPOOL_NAME} -c ${ZPOOL_CONFIG} -d || unload_die
 274
 275 # Unload the test module stack and wait for device removal
 276 unload_modules
 277 while [ -c /dev/zpios ]; do
 278         sleep 1
 279 done
 280
 281 exit 0