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cache: remove numcalls

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The counter is not very useful and if necessary the value can be
found by summing up other counters.
This commit is contained in:
Mateusz Guzik 2020-07-14 21:17:46 +00:00
parent 4516c7eed9
commit a110fa2ee1
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=363201
1 changed files with 0 additions and 3 deletions
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sys/kern/vfs_cache.c
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@ -407,7 +407,6 @@ static SYSCTL_NODE(_vfs, OID_AUTO, cache, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
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");
@ -1385,8 +1384,6 @@ cache_lookup(struct vnode *dvp, struct vnode **vpp, struct componentname *cnp,
}
#endif
counter_u64_add(numcalls, 1);
if (__predict_false(cnp->cn_namelen == 1 && cnp->cn_nameptr[0] == '.'))
return (cache_lookup_dot(dvp, vpp, cnp, tsp, ticksp));