[src/trunk]: src/usr.bin/vmstat - nchash is gone.

[ad <ad%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/1785921fb184
branches:  trunk
changeset: 1008417:1785921fb184
user:      ad <ad%NetBSD.org@localhost>
date:      Sun Mar 22 14:39:28 2020 +0000

description:
- nchash is gone.
- Report new namecache stats.

diffstat:

 usr.bin/vmstat/vmstat.c |  22 ++++++++--------------
 1 files changed, 8 insertions(+), 14 deletions(-)

diffs (64 lines):

diff -r 89bb97f51a4d -r 1785921fb184 usr.bin/vmstat/vmstat.c
--- a/usr.bin/vmstat/vmstat.c   Sun Mar 22 14:39:03 2020 +0000
+++ b/usr.bin/vmstat/vmstat.c   Sun Mar 22 14:39:28 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: vmstat.c,v 1.236 2020/01/25 05:43:32 simonb Exp $ */
+/* $NetBSD: vmstat.c,v 1.237 2020/03/22 14:39:28 ad Exp $ */
 
 /*-
  * Copyright (c) 1998, 2000, 2001, 2007, 2019, 2020
@@ -71,7 +71,7 @@
 #if 0
 static char sccsid[] = "@(#)vmstat.c   8.2 (Berkeley) 3/1/95";
 #else
-__RCSID("$NetBSD: vmstat.c,v 1.236 2020/01/25 05:43:32 simonb Exp $");
+__RCSID("$NetBSD: vmstat.c,v 1.237 2020/03/22 14:39:28 ad Exp $");
 #endif
 #endif /* not lint */
 
@@ -227,15 +227,11 @@
        { .n_name = "_in_ifaddrhash" },
 #define        X_IFADDRHASHTBL 9
        { .n_name = "_in_ifaddrhashtbl" },
-#define        X_NCHASH        10
-       { .n_name = "_nchash" },
-#define        X_NCHASHTBL     11
-       { .n_name = "_nchashtbl" },
-#define        X_NCVCACHEHASH  12
+#define        X_VCACHEHASH    10
        { .n_name = "_vcache_hashmask" },
-#define        X_NCVCACHETBL   13
+#define        X_VCACHETBL     11
        { .n_name = "_vcache_hashtab" },
-#define X_HASHNL_SIZE  14      /* must be last */
+#define X_HASHNL_SIZE  12      /* must be last */
        { .n_name = NULL },
 };
 
@@ -1124,6 +1120,8 @@
        (void)printf("%9" PRIu64 " 2passes\n", nch_stats.ncs_2passes);
        (void)printf("%9" PRIu64 " reverse hits\n", nch_stats.ncs_revhits);
        (void)printf("%9" PRIu64 " reverse miss\n", nch_stats.ncs_revmiss);
+       (void)printf("%9" PRIu64 " hash collisions\n", nch_stats.ncs_collisions);
+       (void)printf("%9" PRIu64 " access denied\n", nch_stats.ncs_denied);
        (void)printf(
            "%9s cache hits (%d%% pos + %d%% neg) system %d%% per-process\n",
            "", PCT(nch_stats.ncs_goodhits, nchtotal),
@@ -1898,16 +1896,12 @@
                X_IFADDRHASH, X_IFADDRHASHTBL,
                HASH_LIST, offsetof(struct in_ifaddr, ia_hash),
        }, {
-               "name cache hash",
-               X_NCHASH, X_NCHASHTBL,
-               HASH_LIST, offsetof(struct namecache, nc_hash),
-       }, {
                "user info (uid -> used processes) hash",
                X_UIHASH, X_UIHASHTBL,
                HASH_LIST, offsetof(struct uidinfo, ui_hash),
        }, {
                "vnode cache hash",
-               X_NCVCACHEHASH, X_NCVCACHETBL,
+               X_VCACHEHASH, X_VCACHETBL,
                HASH_SLIST, offsetof(struct vnode_impl, vi_hash),
        }, {
                NULL, -1, -1, 0, 0,