The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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

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    1 /*-
    2  * Copyright (c) 2009 Robert N. M. Watson
    3  * All rights reserved.
    4  *
    5  * This software was developed at the University of Cambridge Computer
    6  * Laboratory with support from a grant from Google, Inc.
    7  *
    8  * Redistribution and use in source and binary forms, with or without
    9  * modification, are permitted provided that the following conditions
   10  * are met:
   11  * 1. Redistributions of source code must retain the above copyright
   12  *    notice, this list of conditions and the following disclaimer.
   13  * 2. Redistributions in binary form must reproduce the above copyright
   14  *    notice, this list of conditions and the following disclaimer in the
   15  *    documentation and/or other materials provided with the distribution.
   16  *
   17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   27  * SUCH DAMAGE.
   28  *
   29  * $FreeBSD: releng/9.2/sys/nfs/nfs_kdtrace.h 222813 2011-06-07 08:46:13Z attilio $
   30  */
   31 
   32 #ifndef _NFSCLIENT_NFS_KDTRACE_H_
   33 #define _NFSCLIENT_NFS_KDTRACE_H_
   34 
   35 #ifdef KDTRACE_HOOKS
   36 #include <sys/dtrace_bsd.h>
   37 
   38 /*
   39  * Definitions for NFS access cache probes.
   40  */
   41 extern uint32_t nfsclient_accesscache_flush_done_id;
   42 extern uint32_t nfsclient_accesscache_get_hit_id;
   43 extern uint32_t nfsclient_accesscache_get_miss_id;
   44 extern uint32_t nfsclient_accesscache_load_done_id;
   45 
   46 #define KDTRACE_NFS_ACCESSCACHE_FLUSH_DONE(vp)  do {                    \
   47         if (dtrace_nfsclient_accesscache_flush_done_probe != NULL)      \
   48                 (dtrace_nfsclient_accesscache_flush_done_probe)(        \
   49                     nfsclient_accesscache_flush_done_id, (vp));         \
   50 } while (0)
   51 
   52 #define KDTRACE_NFS_ACCESSCACHE_GET_HIT(vp, uid, mode)  do {            \
   53         if (dtrace_nfsclient_accesscache_get_hit_probe != NULL)         \
   54                 (dtrace_nfsclient_accesscache_get_hit_probe)(           \
   55                     nfsclient_accesscache_get_hit_id, (vp), (uid),      \
   56                     (mode));                                            \
   57 } while (0)
   58         
   59 #define KDTRACE_NFS_ACCESSCACHE_GET_MISS(vp, uid, mode) do {            \
   60         if (dtrace_nfsclient_accesscache_get_miss_probe != NULL)        \
   61                 (dtrace_nfsclient_accesscache_get_miss_probe)(          \
   62                     nfsclient_accesscache_get_miss_id, (vp), (uid),     \
   63                     (mode));                                            \
   64 } while (0)
   65 
   66 #define KDTRACE_NFS_ACCESSCACHE_LOAD_DONE(vp, uid, rmode, error) do {   \
   67         if (dtrace_nfsclient_accesscache_load_done_probe != NULL)       \
   68                 (dtrace_nfsclient_accesscache_load_done_probe)(         \
   69                     nfsclient_accesscache_load_done_id, (vp), (uid),    \
   70                     (rmode), (error));                                  \
   71 } while (0)
   72 
   73 /*
   74  * Definitions for NFS attribute cache probes.
   75  */
   76 extern uint32_t nfsclient_attrcache_flush_done_id;
   77 extern uint32_t nfsclient_attrcache_get_hit_id;
   78 extern uint32_t nfsclient_attrcache_get_miss_id;
   79 extern uint32_t nfsclient_attrcache_load_done_id;
   80 
   81 #define KDTRACE_NFS_ATTRCACHE_FLUSH_DONE(vp)    do {                    \
   82         if (dtrace_nfsclient_attrcache_flush_done_probe != NULL)        \
   83                 (dtrace_nfsclient_attrcache_flush_done_probe)(          \
   84                     nfsclient_attrcache_flush_done_id, (vp));           \
   85 } while (0)
   86 
   87 #define KDTRACE_NFS_ATTRCACHE_GET_HIT(vp, vap)  do {                    \
   88         if (dtrace_nfsclient_attrcache_get_hit_probe != NULL)           \
   89                 (dtrace_nfsclient_attrcache_get_hit_probe)(             \
   90                     nfsclient_attrcache_get_hit_id, (vp), (vap));       \
   91 } while (0)
   92 
   93 #define KDTRACE_NFS_ATTRCACHE_GET_MISS(vp)      do {                    \
   94         if (dtrace_nfsclient_attrcache_get_miss_probe != NULL)          \
   95                 (dtrace_nfsclient_attrcache_get_miss_probe)(            \
   96                             nfsclient_attrcache_get_miss_id, (vp));     \
   97 } while (0)
   98 
   99 #define KDTRACE_NFS_ATTRCACHE_LOAD_DONE(vp, vap, error) do {            \
  100         if (dtrace_nfsclient_attrcache_load_done_probe != NULL)         \
  101                 (dtrace_nfsclient_attrcache_load_done_probe)(           \
  102                     nfsclient_attrcache_load_done_id, (vp), (vap),      \
  103                     (error));                                           \
  104 } while (0)
  105 
  106 #else /* !KDTRACE_HOOKS */
  107 
  108 #define KDTRACE_NFS_ACCESSCACHE_FLUSH_DONE(vp)
  109 #define KDTRACE_NFS_ACCESSCACHE_GET_HIT(vp, uid, mode)
  110 #define KDTRACE_NFS_ACCESSCACHE_GET_MISS(vp, uid, mode)
  111 #define KDTRACE_NFS_ACCESSCACHE_LOAD_DONE(vp, uid, rmode, error)
  112 
  113 #define KDTRACE_NFS_ATTRCACHE_FLUSH_DONE(vp)
  114 #define KDTRACE_NFS_ATTRCACHE_GET_HIT(vp, vap)
  115 #define KDTRACE_NFS_ATTRCACHE_GET_MISS(vp)
  116 #define KDTRACE_NFS_ATTRCACHE_LOAD_DONE(vp, vap, error)
  117 
  118 #endif /* KDTRACE_HOOKS */
  119 
  120 #endif /* !_NFSCLIENT_NFS_KDTRACE_H_ */

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