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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