nfs_debug.c

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    1 /*      $OpenBSD: nfs_debug.c,v 1.6 2014/09/14 14:17:26 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/timeout.h>
   20 #include <sys/mount.h>
   21 #include <sys/kernel.h>
   22 #include <sys/pool.h>
   23 #include <sys/vnode.h>
   24 
   25 #include <nfs/rpcv2.h>
   26 #include <nfs/nfsproto.h>
   27 #include <nfs/nfs.h>
   28 #include <nfs/nfsnode.h>
   29 #include <nfs/nfsmount.h>
   30 #include <nfs/nfs_var.h>
   31 
   32 #include <machine/db_machdep.h>
   33 #include <ddb/db_interface.h>
   34 #include <ddb/db_output.h>
   35 
   36 void
   37 db_show_all_nfsreqs(db_expr_t expr, int haddr, db_expr_t count, char *modif)
   38 {
   39         int full = 0;
   40 
   41         if (modif[0] == 'f')
   42                 full = 1;
   43 
   44         pool_walk(&nfsreqpl, full, db_printf, nfs_request_print);
   45 }
   46 
   47 void
   48 nfs_request_print(void *v, int full, int (*pr)(const char *, ...))
   49 {
   50         struct nfsreq   *rep = v;
   51 
   52         (*pr)("xid 0x%x flags 0x%x rexmit %i procnum %i proc %p\n",
   53             rep->r_xid, rep->r_flags, rep->r_rexmit, rep->r_procnum,
   54             rep->r_procp);
   55 
   56         if (full) {
   57                 (*pr)("mreq %p mrep %p md %p nfsmount %p vnode %p timer %i",
   58                     " rtt %i\n",
   59                     rep->r_mreq, rep->r_mrep, rep->r_md, rep->r_nmp,
   60                     rep->r_vp, rep->r_timer, rep->r_rtt);
   61         }
   62 }
   63 
   64 void
   65 db_show_all_nfsnodes(db_expr_t expr, int haddr, db_expr_t count, char *modif)
   66 {
   67         int full = 0;
   68 
   69         if (modif[0] == 'f')
   70                 full = 1;
   71 
   72         pool_walk(&nfs_node_pool, full, db_printf, nfs_node_print);
   73 }
   74 
   75 
   76 
   77 void
   78 nfs_node_print(void *v, int full, int (*pr)(const char *, ...))
   79 {
   80         struct nfsnode  *np = v;
   81 
   82         (*pr)("size %llu flag %i vnode %p accstamp %lld\n",
   83             np->n_size, np->n_flag, np->n_vnode, (long long)np->n_accstamp);
   84 
   85         if (full) {
   86                 (*pr)("pushedlo %llu pushedhi %llu pushlo %llu pushhi %llu\n",
   87                     np->n_pushedlo, np->n_pushedhi, np->n_pushlo,
   88                     np->n_pushhi);
   89                 (*pr)("commitflags %i\n", np->n_commitflags);
   90         }
   91 }

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FreeBSD/Linux Kernel Cross Reference sys/nfs/nfs_debug.c

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sys/nfs/nfs_debug.c