}
run_test 121 "read cancel race ========="
+cmd_cancel_lru_locks() {
+ NS=$1
+ test "x$NS" = "x" && NS="mdc"
+ for d in `find $LPROC/ldlm/namespaces | grep $NS`; do
+ if test -f $d/lru_size; then
+ cancel_lru_locks $d
+ fi
+ done
+}
+
test_124a() {
[ -z "`grep lru_resize $LPROC/mdc/*/connect_flags`" ] && \
skip "no lru resize on server" && return 0
- cancel_lru_locks mdc
+ cmd_cancel_lru_locks "mdc"
lru_resize_enable
- NSDIR=`find $LPROC/ldlm/namespaces | grep mdc | head -1`
# we want to test main pool functionality, that is cancel based on SLV
# this is why shrinkers are disabled
NR=2000
mkdir -p $DIR/$tdir || error "failed to create $DIR/$tdir"
- LRU_SIZE=`cat $NSDIR/lru_size`
-
# use touch to produce $NR new locks
log "create $NR files at $DIR/$tdir"
for ((i=0;i<$NR;i++)); do touch $DIR/$tdir/f$i; done
+
+ NSDIR=""
+ LRU_SIZE=0
+ for d in `find $LPROC/ldlm/namespaces | grep mdc-`; do
+ if test -f $d/lru_size; then
+ LRU_SIZE=`cat $d/lru_size`
+ if test $LRU_SIZE -gt 0; then
+ log "using $d namespace"
+ NSDIR=$d
+ break
+ fi
+ fi
+ done
- LRU_SIZE_B=`cat $NSDIR/lru_size`
- if test $LRU_SIZE -ge $LRU_SIZE_B; then
+ if test -z $NSDIR; then
skip "No cached locks created!"
- cat $NSDIR/pool/state
return 0
fi
- LRU_SIZE_B=$((LRU_SIZE_B-LRU_SIZE))
- log "created $LRU_SIZE_B lock(s)"
+
+ if test $LRU_SIZE -lt 100; then
+ skip "Not enough cached locks created!"
+ return 0
+ fi
+ log "created $LRU_SIZE lock(s)"
# we want to sleep 30s to not make test too long
SLEEP=30
# Use $LRU_SIZE_B here to take into account real number of locks created
# in the case of CMD, LRU_SIZE_B != $NR in most of cases
LVF=$(($MAX_HRS * 60 * 60 * $LIMIT / $SLEEP))
+ LRU_SIZE_B=$LRU_SIZE
log "make client drop locks $LVF times faster so that ${SLEEP}s is enough to cancel $LRU_SIZE_B lock(s)"
OLD_LVF=`cat $NSDIR/pool/lock_volume_factor`
echo "$LVF" > $NSDIR/pool/lock_volume_factor
}
run_test 124a "lru resize ======================================="
+set_lru_size() {
+ NS=$1
+ SIZE=$2
+ test "x$NS" = "x" && NS="mdc"
+ test "x$SIZE" = "x" && SIZE="0"
+ test $SIZE -lt 0 && SIZE="0"
+ test $SIZE -gt 0 && ACTION="disabled" || ACTION="enabled"
+ for d in `find $LPROC/ldlm/namespaces | grep $NS`; do
+ if test -f $d/lru_size; then
+ log "$(basename $d):"
+ log " lru resize $ACTION"
+ log " lru_size=$SIZE"
+ echo $SIZE > $d/lru_size
+ fi
+ done
+}
+
+get_lru_size() {
+ NS=$1
+ test "x$NS" = "x" && NS="mdc"
+ for d in `find $LPROC/ldlm/namespaces | grep $NS`; do
+ if test -f $d/lru_size; then
+ log "$(basename $d):"
+ log " lru_size=$(cat $d/lru_size)"
+ fi
+ done
+}
+
test_124b() {
[ -z "`grep lru_resize $LPROC/mdc/*/connect_flags`" ] && \
skip "no lru resize on server" && return 0
- cleanup -f || error "failed to unmount"
- MOUNTOPT="$MOUNTOPT,nolruresize"
- setup
- NR=2000
- mkdir -p $DIR/$tdir || error "failed to create $DIR/$tdir"
+ NSDIR=`find $LPROC/ldlm/namespaces | grep mdc | head -1`
+ LIMIT=`cat $NSDIR/pool/limit`
+
+ NR_CPU=$(awk '/processor/' /proc/cpuinfo | wc -l)
+ # 100 locks here is default value for non-shrinkable lru as well
+ # as the order to switch to static lru managing policy
+ # define LDLM_DEFAULT_LRU_SIZE (100 * num_online_cpus())
+ LDLM_DEFAULT_LRU_SIZE=$((100 * NR_CPU))
+
+ NR=$((LIMIT-(LIMIT/3)))
+ log "starting lru resize disable cycle"
+ set_lru_size "mdc-" $LDLM_DEFAULT_LRU_SIZE
- createmany -o $DIR/$tdir/f $NR
- log "doing ls -la $DIR/$tdir 3 times (lru resize disabled)"
+ mkdir -p $DIR/$tdir/disable_lru_resize ||
+ error "failed to create $DIR/$tdir/disable_lru_resize"
+
+ createmany -o $DIR/$tdir/disable_lru_resize/f $NR
+ log "doing ls -la $DIR/$tdir/disable_lru_resize 3 times"
stime=`date +%s`
- ls -la $DIR/$tdir > /dev/null
- ls -la $DIR/$tdir > /dev/null
- ls -la $DIR/$tdir > /dev/null
+ ls -la $DIR/$tdir/disable_lru_resize > /dev/null
+ ls -la $DIR/$tdir/disable_lru_resize > /dev/null
+ ls -la $DIR/$tdir/disable_lru_resize > /dev/null
etime=`date +%s`
nolruresize_delta=$((etime-stime))
log "ls -la time: $nolruresize_delta seconds"
+ get_lru_size "mdc-"
+
+ log "starting lru resize enable cycle"
+ mkdir -p $DIR/$tdir/enable_lru_resize ||
+ error "failed to create $DIR/$tdir/enable_lru_resize"
- cleanup -f || error "failed to unmount"
- MOUNTOPT=`echo $MOUNTOPT | sed "s/nolruresize/lruresize/"`
- setup
+ # 0 locks means here flush lru and switch to lru resize policy
+ set_lru_size "mdc-" 0
- createmany -o $DIR/$tdir/f $NR
- log "doing ls -la $DIR/$tdir 3 times (lru resize enabled)"
+ createmany -o $DIR/$tdir/enable_lru_resize/f $NR
+ log "doing ls -la $DIR/$tdir/enable_lru_resize 3 times"
stime=`date +%s`
- ls -la $DIR/$tdir > /dev/null
- ls -la $DIR/$tdir > /dev/null
- ls -la $DIR/$tdir > /dev/null
+ ls -la $DIR/$tdir/enable_lru_resize > /dev/null
+ ls -la $DIR/$tdir/enable_lru_resize > /dev/null
+ ls -la $DIR/$tdir/enable_lru_resize > /dev/null
etime=`date +%s`
lruresize_delta=$((etime-stime))
log "ls -la time: $lruresize_delta seconds"
+ get_lru_size "mdc-"
if test $lruresize_delta -gt $nolruresize_delta; then
log "ls -la is $((lruresize_delta - $nolruresize_delta))s slower with lru resize enabled"
else
log "lru resize performs the same with no lru resize"
fi
-
- unlinkmany $DIR/$tdir/f $NR
}
run_test 124b "lru resize (performance test) ======================="
git://git.whamcloud.com / fs / lustre-release.git / blobdiff