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/fs/nfsclient/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/11.0/sys/fs/nfsclient/nfs_kdtrace.h 258667 2013-11-26 22:41:40Z pluknet $
   30  */
   31 
   32 #ifndef _NFSCL_NFS_KDTRACE_H_
   33 #define _NFSCL_NFS_KDTRACE_H_
   34 
   35 /*
   36  * Definitions for NFS access cache probes.
   37  */
   38 extern uint32_t nfscl_accesscache_flush_done_id;
   39 extern uint32_t nfscl_accesscache_get_hit_id;
   40 extern uint32_t nfscl_accesscache_get_miss_id;
   41 extern uint32_t nfscl_accesscache_load_done_id;
   42 
   43 /*
   44  * Definitions for NFS attribute cache probes.
   45  */
   46 extern uint32_t nfscl_attrcache_flush_done_id;
   47 extern uint32_t nfscl_attrcache_get_hit_id;
   48 extern uint32_t nfscl_attrcache_get_miss_id;
   49 extern uint32_t nfscl_attrcache_load_done_id;
   50 
   51 #ifdef KDTRACE_HOOKS
   52 #include <sys/dtrace_bsd.h>
   53 
   54 #define KDTRACE_NFS_ACCESSCACHE_FLUSH_DONE(vp)  do {                    \
   55         if (dtrace_nfscl_accesscache_flush_done_probe != NULL)          \
   56                 (dtrace_nfscl_accesscache_flush_done_probe)(            \
   57                     nfscl_accesscache_flush_done_id, (vp));             \
   58 } while (0)
   59 
   60 #define KDTRACE_NFS_ACCESSCACHE_GET_HIT(vp, uid, mode)  do {            \
   61         if (dtrace_nfscl_accesscache_get_hit_probe != NULL)             \
   62                 (dtrace_nfscl_accesscache_get_hit_probe)(               \
   63                     nfscl_accesscache_get_hit_id, (vp), (uid),          \
   64                     (mode));                                            \
   65 } while (0)
   66         
   67 #define KDTRACE_NFS_ACCESSCACHE_GET_MISS(vp, uid, mode) do {            \
   68         if (dtrace_nfscl_accesscache_get_miss_probe != NULL)            \
   69                 (dtrace_nfscl_accesscache_get_miss_probe)(              \
   70                     nfscl_accesscache_get_miss_id, (vp), (uid),         \
   71                     (mode));                                            \
   72 } while (0)
   73 
   74 #define KDTRACE_NFS_ACCESSCACHE_LOAD_DONE(vp, uid, rmode, error) do {   \
   75         if (dtrace_nfscl_accesscache_load_done_probe != NULL)           \
   76                 (dtrace_nfscl_accesscache_load_done_probe)(             \
   77                     nfscl_accesscache_load_done_id, (vp), (uid),        \
   78                     (rmode), (error));                                  \
   79 } while (0)
   80 
   81 #define KDTRACE_NFS_ATTRCACHE_FLUSH_DONE(vp)    do {                    \
   82         if (dtrace_nfscl_attrcache_flush_done_probe != NULL)            \
   83                 (dtrace_nfscl_attrcache_flush_done_probe)(              \
   84                     nfscl_attrcache_flush_done_id, (vp));               \
   85 } while (0)
   86 
   87 #define KDTRACE_NFS_ATTRCACHE_GET_HIT(vp, vap)  do {                    \
   88         if (dtrace_nfscl_attrcache_get_hit_probe != NULL)               \
   89                 (dtrace_nfscl_attrcache_get_hit_probe)(                 \
   90                     nfscl_attrcache_get_hit_id, (vp), (vap));           \
   91 } while (0)
   92 
   93 #define KDTRACE_NFS_ATTRCACHE_GET_MISS(vp)      do {                    \
   94         if (dtrace_nfscl_attrcache_get_miss_probe != NULL)              \
   95                 (dtrace_nfscl_attrcache_get_miss_probe)(                \
   96                             nfscl_attrcache_get_miss_id, (vp));         \
   97 } while (0)
   98 
   99 #define KDTRACE_NFS_ATTRCACHE_LOAD_DONE(vp, vap, error) do {            \
  100         if (dtrace_nfscl_attrcache_load_done_probe != NULL)             \
  101                 (dtrace_nfscl_attrcache_load_done_probe)(               \
  102                     nfscl_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 /* !_NFSCL_NFS_KDTRACE_H_ */

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