-
-############################################################
-# PIOS
-#
-
-iterpr_KMGT () {
- local str=$1
- local num=${str:0:${#str}-1}
- case ${str:${#str}-1} in
- k|K ) num=$((num << 10));; #
- m|M ) num=$((num << 20));; # emacs is confsued by the << and
- g|G ) num=$((num << 30));; # these comments help it out.
- t|T ) num=$((num << 40));; #
- * ) num=$str;;
- esac
- echo $num
-}
-
-pios_file_size () {
- # pios.c: check_device_size ()
- # /* Adding 10% to total test size for filesystem overhead */
- # size = size + (double)(size) * (double) (0.1);
- # pios.c: set_actual_streams ()
- # total_test_size = runarg->regioncount * runarg->regionsize
-
- local size=$(($(iterpr_KMGT $pios_REGIONCOUNT) * \
- $(iterpr_KMGT $pios_REGIONSIZE) ))
- echo $size
-}
-
-space_check () {
- local testdir=$DIR/$tdir
- local stripe=$($LFS getstripe -c $testdir)
-
- # if stripe_count = 1 the size should be less than min ost size, bug 24294
- local space=$($LFS df $testdir | grep "filesystem summary:" | awk '{print $3}')
- [ $stripe -eq 1 ] && space=$(min_ost_size)
-
- local size=$(pios_file_size)
- size=$(( size + size / 10 ))
- # we can not use pios --cleanup|-x because we need the files exist for pios --verify,
- # so, we need space available for each of pios_THREADCOUNT value run
- local num_runs=$(echo ${pios_THREADCOUNT//,/ } | wc -w)
- size=$(( size * $num_runs))
- space=$((space * 1024))
- echo size=$size space=$space
- if [ $space -le $size ]; then
- local ratio=$(( size / space + 1 ))
- echo "Need free space atleast $size, available $space, ratio=$ratio"
- local rgcount=$(( pios_REGIONCOUNT / ratio ))
- echo "reducing pios_REGIONCOUNT=$pios_REGIONCOUNT on $ratio"
- if [ $rgcount -eq 0 ]; then
- echo "fs is too small, reduced pios_REGIONCOUNT=$rgcount"
- return 10
- fi
- pios_REGIONCOUNT=$(( pios_REGIONCOUNT / ratio ))
- echo using pios_REGIONCOUNT=$pios_REGIONCOUNT size=$(pios_file_size)
- fi
-}
-
-pios_setup() {
- local testdir=$DIR/$tdir
- mkdir -p $testdir
-
- stripes=1
- [ "$1" == "--stripe" ] && stripes=-1
- $LFS setstripe $testdir -c $stripes
- echo "Test directory $testdir stripe count: $stripes"
-}
-
-pios_cleanup() {
- local rc=${1:-0}
- local testdir=$DIR/$tdir
- if [ $rc -eq 0 ]; then
- echo cleanup: testdir=$testdir rc=$rc
- rm -rf $testdir
- wait_delete_completed || true
- fi
-}
-
-run_pios () {
- local testdir=$DIR/$tdir
- local cmd="$PIOSBIN -t $pios_THREADCOUNT -n $pios_REGIONCOUNT \
- -c $pios_CHUNKSIZE -s $pios_REGIONSIZE \
- -o $pios_OFFSET $@ -p $testdir"
-
- if [ ! -d $testdir ]; then
- error "No test directory created, setup_pios must have failed"
- return 20
- fi
-
- log "$cmd"
-
- local rc=0
- eval $cmd
- rc=$?
-
- return $rc
-}
-
-test_pios_ssf() {
- if [ -z "$PIOSBIN" ]; then
- skip_env "$0 : pios not found PIOSBIN=$PIOSBIN"
- return
- fi
-
- local rc=0
- pios_setup --stripe || return
- if ! space_check; then
- skip_env "not enough space"
- pios_cleanup
- return 0
- fi
- run_pios || return
- run_pios --verify || rc=$?
- pios_cleanup $rc
- return $rc
-}
-run_test pios_ssf "pios shared single file"
-
-test_pios_fpp() {
- if [ -z "$PIOSBIN" ]; then
- skip_env "pios not found PIOSBIN=$PIOSBIN"
- return
- fi
-
- local rc=0
- pios_setup || return
- if ! space_check; then
- skip_env "not enough space"
- pios_cleanup
- return 0
- fi
- run_pios -L fpp || return
- run_pios -L fpp --verify || rc=$?
- pios_cleanup $rc
- return $rc
-}
-run_test pios_fpp "pios file per process"
-
-complete $(basename $0) $SECONDS