glibc/db2/hash/hash_stat.c

58 lines
1.2 KiB
C

/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 1996, 1997, 1998
* Sleepycat Software. All rights reserved.
*/
#include "config.h"
#ifndef lint
static const char sccsid[] = "@(#)hash_stat.c 10.8 (Sleepycat) 4/26/98";
#endif /* not lint */
#ifndef NO_SYSTEM_INCLUDES
#include <sys/types.h>
#include <errno.h>
#endif
#include "db_int.h"
#include "db_page.h"
#include "hash.h"
/*
* __ham_stat --
* Gather/print the hash statistics.
*
* PUBLIC: int __ham_stat __P((DB *, FILE *));
*/
int
__ham_stat(dbp, fp)
DB *dbp;
FILE *fp;
{
HTAB *hashp;
int i;
hashp = (HTAB *)dbp->internal;
fprintf(fp, "hash: accesses %lu collisions %lu\n",
hashp->hash_accesses, hashp->hash_collisions);
fprintf(fp, "hash: expansions %lu\n", hashp->hash_expansions);
fprintf(fp, "hash: overflows %lu\n", hashp->hash_overflows);
fprintf(fp, "hash: big key/data pages %lu\n", hashp->hash_bigpages);
SET_LOCKER(dbp, NULL);
GET_META(dbp, hashp);
fprintf(fp, "keys %lu maxp %lu\n",
(u_long)hashp->hdr->nelem, (u_long)hashp->hdr->max_bucket);
for (i = 0; i < NCACHED; i++)
fprintf(fp,
"spares[%d] = %lu\n", i, (u_long)hashp->hdr->spares[i]);
RELEASE_META(dbp, hashp);
return (0);
}