1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 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 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_ */ 121