local write_bytes
local all_zeros
- all_zeros=:
- rm -fr $DIR/$tdir
+ all_zeros=true
test_mkdir $DIR/$tdir
# Read: 0, Write: 4, create/destroy: 2/0, stat: 1, punch: 0
- sync
- for ostnum in $(seq $OSTCOUNT); do
- # test-framework's OST numbering is one-based, while Lustre's
- # is zero-based
- ostname=$(printf "$FSNAME-OST%.4x" $((ostnum - 1)))
- # Parsing llobdstat's output sucks; we could grep the /proc
- # path, but that's likely to not be as portable as using the
- # llobdstat utility. So we parse lctl output instead.
- write_bytes=$(do_facet ost$ostnum lctl get_param -n \
- obdfilter/$ostname/stats |
- awk '/^write_bytes/ {print $7}' )
- echo "baseline_write_bytes@$OSTnum/$ostname=$write_bytes"
- if (( ${write_bytes:-0} > 0 ))
- then
- all_zeros=false
- break;
- fi
- done
+ sync
+ for ostnum in $(seq $OSTCOUNT); do
+ # test-framework's OST numbering is one-based, while Lustre's
+ # is zero-based
+ ostname=$(printf "$FSNAME-OST%.4x" $((ostnum - 1)))
+ # check if at least some write_bytes stats are counted
+ write_bytes=$(do_facet ost$ostnum lctl get_param -n \
+ obdfilter.$ostname.stats |
+ awk '/^write_bytes/ {print $7}' )
+ echo "baseline_write_bytes@ost$ostnum/$ostname=$write_bytes"
+ if (( ${write_bytes:-0} > 0 )); then
+ all_zeros=false
+ break
+ fi
+ done
- $all_zeros || return 0
+ $all_zeros || return 0
# Write four bytes
echo foo > $DIR/$tdir/bar
# Really write them
sync
- # Total up write_bytes after writing. We'd better find non-zeros.
- for ostnum in $(seq $OSTCOUNT); do
- ostname=$(printf "$FSNAME-OST%.4x" $((ostnum - 1)))
- write_bytes=$(do_facet ost$ostnum lctl get_param -n \
- obdfilter/$ostname/stats |
- awk '/^write_bytes/ {print $7}' )
- echo "write_bytes@$OSTnum/$ostname=$write_bytes"
- if (( ${write_bytes:-0} > 0 ))
- then
- all_zeros=false
- break;
- fi
- done
+ # Total up write_bytes after writing. We'd better find non-zeros.
+ for ostnum in $(seq $OSTCOUNT); do
+ ostname=$(printf "$FSNAME-OST%.4x" $((ostnum - 1)))
+ write_bytes=$(do_facet ost$ostnum lctl get_param -n \
+ obdfilter/$ostname/stats |
+ awk '/^write_bytes/ {print $7}' )
+ echo "write_bytes@ost$ostnum/$ostname=$write_bytes"
+ if (( ${write_bytes:-0} > 0 )); then
+ all_zeros=false
+ break
+ fi
+ done
- if $all_zeros
- then
- for ostnum in $(seq $OSTCOUNT); do
- ostname=$(printf "$FSNAME-OST%.4x" $((ostnum - 1)))
- echo "Check that write_bytes is present in obdfilter/*/stats:"
- do_facet ost$ostnum lctl get_param -n \
- obdfilter/$ostname/stats
- done
- error "OST not keeping write_bytes stats (b22312)"
- fi
+ if $all_zeros; then
+ for ostnum in $(seq $OSTCOUNT); do
+ ostname=$(printf "$FSNAME-OST%.4x" $((ostnum - 1)))
+ echo "Check write_bytes is in obdfilter.*.stats:"
+ do_facet ost$ostnum lctl get_param -n \
+ obdfilter.$ostname.stats
+ done
+ error "OST not keeping write_bytes stats (b=22312)"
+ fi
}
-run_test 33c "test llobdstat and write_bytes"
+run_test 33c "test write_bytes stats"
test_33d() {
[[ $MDSCOUNT -lt 2 ]] && skip_env "needs >= 2 MDTs"
function get_named_value()
{
- local tag
-
- tag=$1
- while read ;do
- line=$REPLY
- case $line in
- $tag*)
- echo $line | sed "s/^$tag[ ]*//"
- break
- ;;
- esac
- done
+ local tag=$1
+
+ grep -w "$tag" | sed "s/^$tag *\([0-9]*\) *.*/\1/"
}
export CACHE_MAX=$($LCTL get_param -n llite.*.max_cached_mb |
local nreads=10000
local cache_limit=32
- $LCTL set_param -n osc.*-osc*.rpc_stats 0
+ $LCTL set_param -n osc.*-osc*.rpc_stats=0
trap cleanup_101a EXIT
- $LCTL set_param -n llite.*.read_ahead_stats 0
- $LCTL set_param -n llite.*.max_cached_mb $cache_limit
+ $LCTL set_param -n llite.*.read_ahead_stats=0
+ $LCTL set_param -n llite.*.max_cached_mb=$cache_limit
#
# randomly read 10000 of 64K chunks from file 3x 32MB in size
discard=0
for s in $($LCTL get_param -n llite.*.read_ahead_stats |
- get_named_value 'read but discarded' | cut -d" " -f1); do
+ get_named_value 'read.but.discarded'); do
discard=$(($discard + $s))
done
cleanup_101a
local discard_limit=$((((STRIDE_LENGTH - 1)*3/(STRIDE_LENGTH*OSTCOUNT))* \
(STRIDE_LENGTH*OSTCOUNT - STRIDE_LENGTH)))
DISCARD=$($LCTL get_param -n llite.*.read_ahead_stats |
- get_named_value 'read but discarded' |
- cut -d" " -f1 | calc_total)
+ get_named_value 'read.but.discarded' | calc_total)
if [[ $DISCARD -gt $discard_limit ]]; then
$LCTL get_param llite.*.read_ahead_stats
error "Too many ($DISCARD) discarded pages with size (${READ_SIZE})"
local READ_COUNT=$((STRIPE_SIZE/BSIZE))
local STRIDE_LENGTH=$((STRIDE_SIZE/BSIZE))
local OFFSET=$((STRIPE_SIZE/BSIZE*(OSTCOUNT - 1)))
- $LCTL set_param -n llite.*.read_ahead_stats 0
+ $LCTL set_param -n llite.*.read_ahead_stats=0
$READS -f $DIR/$tfile -l $STRIDE_LENGTH -o $OFFSET \
-s $FILE_LENGTH -b $STRIPE_SIZE -a $READ_COUNT -n $ITERATION
cancel_lru_locks osc
setup_test101bc $STRIPE_SIZE $FILE_LENGTH
cancel_lru_locks osc
- $LCTL set_param osc.*.rpc_stats 0
+ $LCTL set_param osc.*.rpc_stats=0
$READS -f $DIR/$tfile -s$FILE_LENGTH -b$rsize -n$nreads -t 180
$LCTL get_param osc.*.rpc_stats
for osc_rpc_stats in $($LCTL get_param -N osc.*.rpc_stats); do
cleanup_test101bc
true
}
-run_test 101c "check stripe_size aligned read-ahead ================="
+run_test 101c "check stripe_size aligned read-ahead"
test_101d() {
[ $PARALLEL == "yes" ] && skip "skip parallel run"
echo Disable read-ahead
local old_RA=$($LCTL get_param -n llite.*.max_read_ahead_mb | head -n 1)
$LCTL set_param -n llite.*.max_read_ahead_mb=0
- stack_trap "$LCTL set_param -n llite.*.max_read_ahead_mb $old_RA" EXIT
+ stack_trap "$LCTL set_param -n llite.*.max_read_ahead_mb=$old_RA" EXIT
$LCTL get_param -n llite.*.max_read_ahead_mb
echo "Reading the test file $file with read-ahead disabled"
cancel_lru_locks $OSC
echo "Reset readahead stats"
- $LCTL set_param -n llite.*.read_ahead_stats 0
+ $LCTL set_param -n llite.*.read_ahead_stats=0
for ((i = 0; i < $count; i++)); do
dd if=$file.$i of=/dev/null bs=$bsize count=$size_KB 2>/dev/null
done
local miss=$($LCTL get_param -n llite.*.read_ahead_stats |
- get_named_value 'misses' | cut -d" " -f1 | calc_total)
+ get_named_value 'misses' | calc_total)
for ((i = 0; i < $count; i++)); do
rm -rf $file.$i 2>/dev/null
cancel_lru_locks osc
echo Reset readahead stats
- $LCTL set_param -n llite.*.read_ahead_stats 0
+ $LCTL set_param -n llite.*.read_ahead_stats=0
echo mmap read the file with small block size
iozone -i 1 -u 1 -l 1 -+n -r 32k -s 128m -B -f $DIR/$tfile \
echo checking missing pages
$LCTL get_param llite.*.read_ahead_stats
local miss=$($LCTL get_param -n llite.*.read_ahead_stats |
- get_named_value 'misses' | cut -d" " -f1 | calc_total)
+ get_named_value 'misses' | calc_total)
$LCTL set_param debug="$old_debug"
[ $miss -lt 3 ] || error "misses too much pages ('$miss')!"
echo "Read 10M of data but cross 64M bundary"
dd if=$DIR/$tfile of=/dev/null bs=10M skip=6 count=1
local miss=$($LCTL get_param -n llite.*.read_ahead_stats |
- get_named_value 'misses' | cut -d" " -f1 | calc_total)
+ get_named_value 'misses' | calc_total)
[ $miss -eq 1 ] || error "expected miss 1 but got $miss"
rm -f $p $DIR/$tfile
}
local count=$(($file_size / $blk))
dd if=$DIR/$tfile bs=$blk count=$count of=/dev/null
local miss=$($LCTL get_param -n llite.*.read_ahead_stats |
- get_named_value 'failed to fast read' |
- cut -d" " -f1 | calc_total)
+ get_named_value 'failed.to.fast.read' | calc_total)
$LCTL get_param -n llite.*.read_ahead_stats
[ $miss -eq $count ] || error "expected $count got $miss"
done
git://git.whamcloud.com / fs / lustre-release.git / blobdiff