nfs_kdtrace.h

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    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    3  *
    4  * Copyright (c) 2009 Robert N. M. Watson
    5  * All rights reserved.
    6  *
    7  * This software was developed at the University of Cambridge Computer
    8  * Laboratory with support from a grant from Google, Inc.
    9  *
   10  * Redistribution and use in source and binary forms, with or without
   11  * modification, are permitted provided that the following conditions
   12  * are met:
   13  * 1. Redistributions of source code must retain the above copyright
   14  *    notice, this list of conditions and the following disclaimer.
   15  * 2. Redistributions in binary form must reproduce the above copyright
   16  *    notice, this list of conditions and the following disclaimer in the
   17  *    documentation and/or other materials provided with the distribution.
   18  *
   19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   29  * SUCH DAMAGE.
   30  *
   31  * $FreeBSD$
   32  */
   33 
   34 #ifndef _NFSCLIENT_NFS_KDTRACE_H_
   35 #define _NFSCLIENT_NFS_KDTRACE_H_
   36 
   37 #ifdef KDTRACE_HOOKS
   38 #include <sys/dtrace_bsd.h>
   39 
   40 /*
   41  * Definitions for NFS access cache probes.
   42  */
   43 extern uint32_t nfsclient_accesscache_flush_done_id;
   44 extern uint32_t nfsclient_accesscache_get_hit_id;
   45 extern uint32_t nfsclient_accesscache_get_miss_id;
   46 extern uint32_t nfsclient_accesscache_load_done_id;
   47 
   48 #define KDTRACE_NFS_ACCESSCACHE_FLUSH_DONE(vp)  do {                    \
   49         if (dtrace_nfsclient_accesscache_flush_done_probe != NULL)      \
   50                 (dtrace_nfsclient_accesscache_flush_done_probe)(        \
   51                     nfsclient_accesscache_flush_done_id, (vp));         \
   52 } while (0)
   53 
   54 #define KDTRACE_NFS_ACCESSCACHE_GET_HIT(vp, uid, mode)  do {            \
   55         if (dtrace_nfsclient_accesscache_get_hit_probe != NULL)         \
   56                 (dtrace_nfsclient_accesscache_get_hit_probe)(           \
   57                     nfsclient_accesscache_get_hit_id, (vp), (uid),      \
   58                     (mode));                                            \
   59 } while (0)
   60 
   61 #define KDTRACE_NFS_ACCESSCACHE_GET_MISS(vp, uid, mode) do {            \
   62         if (dtrace_nfsclient_accesscache_get_miss_probe != NULL)        \
   63                 (dtrace_nfsclient_accesscache_get_miss_probe)(          \
   64                     nfsclient_accesscache_get_miss_id, (vp), (uid),     \
   65                     (mode));                                            \
   66 } while (0)
   67 
   68 #define KDTRACE_NFS_ACCESSCACHE_LOAD_DONE(vp, uid, rmode, error) do {   \
   69         if (dtrace_nfsclient_accesscache_load_done_probe != NULL)       \
   70                 (dtrace_nfsclient_accesscache_load_done_probe)(         \
   71                     nfsclient_accesscache_load_done_id, (vp), (uid),    \
   72                     (rmode), (error));                                  \
   73 } while (0)
   74 
   75 /*
   76  * Definitions for NFS attribute cache probes.
   77  */
   78 extern uint32_t nfsclient_attrcache_flush_done_id;
   79 extern uint32_t nfsclient_attrcache_get_hit_id;
   80 extern uint32_t nfsclient_attrcache_get_miss_id;
   81 extern uint32_t nfsclient_attrcache_load_done_id;
   82 
   83 #define KDTRACE_NFS_ATTRCACHE_FLUSH_DONE(vp)    do {                    \
   84         if (dtrace_nfsclient_attrcache_flush_done_probe != NULL)        \
   85                 (dtrace_nfsclient_attrcache_flush_done_probe)(          \
   86                     nfsclient_attrcache_flush_done_id, (vp));           \
   87 } while (0)
   88 
   89 #define KDTRACE_NFS_ATTRCACHE_GET_HIT(vp, vap)  do {                    \
   90         if (dtrace_nfsclient_attrcache_get_hit_probe != NULL)           \
   91                 (dtrace_nfsclient_attrcache_get_hit_probe)(             \
   92                     nfsclient_attrcache_get_hit_id, (vp), (vap));       \
   93 } while (0)
   94 
   95 #define KDTRACE_NFS_ATTRCACHE_GET_MISS(vp)      do {                    \
   96         if (dtrace_nfsclient_attrcache_get_miss_probe != NULL)          \
   97                 (dtrace_nfsclient_attrcache_get_miss_probe)(            \
   98                             nfsclient_attrcache_get_miss_id, (vp));     \
   99 } while (0)
  100 
  101 #define KDTRACE_NFS_ATTRCACHE_LOAD_DONE(vp, vap, error) do {            \
  102         if (dtrace_nfsclient_attrcache_load_done_probe != NULL)         \
  103                 (dtrace_nfsclient_attrcache_load_done_probe)(           \
  104                     nfsclient_attrcache_load_done_id, (vp), (vap),      \
  105                     (error));                                           \
  106 } while (0)
  107 
  108 #else /* !KDTRACE_HOOKS */
  109 
  110 #define KDTRACE_NFS_ACCESSCACHE_FLUSH_DONE(vp)
  111 #define KDTRACE_NFS_ACCESSCACHE_GET_HIT(vp, uid, mode)
  112 #define KDTRACE_NFS_ACCESSCACHE_GET_MISS(vp, uid, mode)
  113 #define KDTRACE_NFS_ACCESSCACHE_LOAD_DONE(vp, uid, rmode, error)
  114 
  115 #define KDTRACE_NFS_ATTRCACHE_FLUSH_DONE(vp)
  116 #define KDTRACE_NFS_ATTRCACHE_GET_HIT(vp, vap)
  117 #define KDTRACE_NFS_ATTRCACHE_GET_MISS(vp)
  118 #define KDTRACE_NFS_ATTRCACHE_LOAD_DONE(vp, vap, error)
  119 
  120 #endif /* KDTRACE_HOOKS */
  121 
  122 #endif /* !_NFSCLIENT_NFS_KDTRACE_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/nfs/nfs_kdtrace.h

FreeBSD/Linux Kernel Cross Reference
sys/nfs/nfs_kdtrace.h