diff --git a/sys/kern/vfs_cache.c b/sys/kern/vfs_cache.c index b3444a016809..6ac718a59d3f 100644 --- a/sys/kern/vfs_cache.c +++ b/sys/kern/vfs_cache.c @@ -408,6 +408,7 @@ STATNODE_ULONG(numneg, "Number of negative cache entries"); STATNODE_ULONG(numcache, "Number of cache entries"); STATNODE_COUNTER(numcachehv, "Number of namecache entries with vnodes held"); STATNODE_COUNTER(numcalls, "Number of cache lookups"); +STATNODE_COUNTER(numdrops, "Number of dropped entries due to reaching the limit"); STATNODE_COUNTER(dothits, "Number of '.' hits"); STATNODE_COUNTER(dotdothits, "Number of '..' hits"); STATNODE_COUNTER(numchecks, "Number of checks in lookup"); @@ -1853,6 +1854,7 @@ cache_enter_time(struct vnode *dvp, struct vnode *vp, struct componentname *cnp, lnumcache = atomic_fetchadd_long(&numcache, 1) + 1; if (__predict_false(lnumcache >= ncsize)) { atomic_add_long(&numcache, -1); + counter_u64_add(numdrops, 1); return; }