1 /* $OpenBSD: nfs_debug.c,v 1.7 2024/05/01 13:15:59 jsg Exp $ */
2 /*
3 * Copyright (c) 2009 Thordur I. Bjornsson. <thib@openbsd.org>
4 *
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17 #include <sys/param.h>
18 #include <sys/systm.h>
19 #include <sys/mount.h>
20 #include <sys/pool.h>
21 #include <sys/vnode.h>
22
23 #include <nfs/nfsproto.h>
24 #include <nfs/nfs.h>
25 #include <nfs/nfsnode.h>
26
27 #include <machine/db_machdep.h>
28 #include <ddb/db_interface.h>
29 #include <ddb/db_output.h>
30
31 void
db_show_all_nfsreqs(db_expr_t expr,int haddr,db_expr_t count,char * modif)32 db_show_all_nfsreqs(db_expr_t expr, int haddr, db_expr_t count, char *modif)
33 {
34 int full = 0;
35
36 if (modif[0] == 'f')
37 full = 1;
38
39 pool_walk(&nfsreqpl, full, db_printf, nfs_request_print);
40 }
41
42 void
nfs_request_print(void * v,int full,int (* pr)(const char *,...))43 nfs_request_print(void *v, int full, int (*pr)(const char *, ...))
44 {
45 struct nfsreq *rep = v;
46
47 (*pr)("xid 0x%x flags 0x%x rexmit %i procnum %i proc %p\n",
48 rep->r_xid, rep->r_flags, rep->r_rexmit, rep->r_procnum,
49 rep->r_procp);
50
51 if (full) {
52 (*pr)("mreq %p mrep %p md %p nfsmount %p vnode %p timer %i",
53 " rtt %i\n",
54 rep->r_mreq, rep->r_mrep, rep->r_md, rep->r_nmp,
55 rep->r_vp, rep->r_timer, rep->r_rtt);
56 }
57 }
58
59 void
db_show_all_nfsnodes(db_expr_t expr,int haddr,db_expr_t count,char * modif)60 db_show_all_nfsnodes(db_expr_t expr, int haddr, db_expr_t count, char *modif)
61 {
62 int full = 0;
63
64 if (modif[0] == 'f')
65 full = 1;
66
67 pool_walk(&nfs_node_pool, full, db_printf, nfs_node_print);
68 }
69
70
71
72 void
nfs_node_print(void * v,int full,int (* pr)(const char *,...))73 nfs_node_print(void *v, int full, int (*pr)(const char *, ...))
74 {
75 struct nfsnode *np = v;
76
77 (*pr)("size %llu flag %i vnode %p accstamp %lld\n",
78 np->n_size, np->n_flag, np->n_vnode, (long long)np->n_accstamp);
79
80 if (full) {
81 (*pr)("pushedlo %llu pushedhi %llu pushlo %llu pushhi %llu\n",
82 np->n_pushedlo, np->n_pushedhi, np->n_pushlo,
83 np->n_pushhi);
84 (*pr)("commitflags %i\n", np->n_commitflags);
85 }
86 }
87