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Add one more counter so we can truly find out how good our name cache

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is.  If we don't find something and don't what to have found something,
it's actually a success.
This commit is contained in:
Poul-Henning Kamp 1997-09-24 15:54:10 +00:00
parent 0f8da203cb
commit 46c320bab8
1 changed files with 7 additions and 2 deletions
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9
sys/kern/vfs_cache.c
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@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* @(#)vfs_cache.c 8.5 (Berkeley) 3/22/95
* $Id: vfs_cache.c,v 1.31 1997/09/04 08:24:44 phk Exp $
* $Id: vfs_cache.c,v 1.32 1997/09/24 07:46:52 phk Exp $
*/
#include <sys/param.h>
@ -100,6 +100,7 @@ static u_long dothits; STATNODE(CTLFLAG_RD, dothits, &dothits);
static u_long dotdothits; STATNODE(CTLFLAG_RD, dotdothits, &dotdothits);
static u_long numchecks; STATNODE(CTLFLAG_RD, numchecks, &numchecks);
static u_long nummiss; STATNODE(CTLFLAG_RD, nummiss, &nummiss);
static u_long nummisszap; STATNODE(CTLFLAG_RD, nummisszap, &nummisszap);
static u_long numposzaps; STATNODE(CTLFLAG_RD, numposzaps, &numposzaps);
static u_long numposhits; STATNODE(CTLFLAG_RD, numposhits, &numposhits);
static u_long numnegzaps; STATNODE(CTLFLAG_RD, numnegzaps, &numnegzaps);
@ -192,7 +193,11 @@ cache_lookup(dvp, vpp, cnp)
/* We failed to find an entry */
if (ncp == 0) {
nummiss++;
if ((cnp->cn_flags & MAKEENTRY) == 0) {
nummisszap++;
} else {
nummiss++;
}
nchstats.ncs_miss++;
return (0);
}