nfs_kdtrace.h revision 258666
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: head/sys/fs/nfsclient/nfs_kdtrace.h 258666 2013-11-26 20:27:57Z glebius $ 30 */ 31 32#ifndef _NFSCL_NFS_KDTRACE_H_ 33#define _NFSCL_NFS_KDTRACE_H_ 34 35/* 36 * Definitions for NFS access cache probes. 37 */ 38extern uint32_t nfscl_accesscache_flush_done_id; 39extern uint32_t nfscl_accesscache_get_hit_id; 40extern uint32_t nfscl_accesscache_get_miss_id; 41extern uint32_t nfscl_accesscache_load_done_id; 42/* 43 * Definitions for NFS attribute cache probes. 44 */ 45extern uint32_t nfscl_attrcache_flush_done_id; 46extern uint32_t nfscl_attrcache_get_hit_id; 47extern uint32_t nfscl_attrcache_get_miss_id; 48extern uint32_t nfscl_attrcache_load_done_id; 49 50#ifdef KDTRACE_HOOKS 51#include <sys/dtrace_bsd.h> 52 53#define KDTRACE_NFS_ACCESSCACHE_FLUSH_DONE(vp) do { \ 54 if (dtrace_nfscl_accesscache_flush_done_probe != NULL) \ 55 (dtrace_nfscl_accesscache_flush_done_probe)( \ 56 nfscl_accesscache_flush_done_id, (vp)); \ 57} while (0) 58 59#define KDTRACE_NFS_ACCESSCACHE_GET_HIT(vp, uid, mode) do { \ 60 if (dtrace_nfscl_accesscache_get_hit_probe != NULL) \ 61 (dtrace_nfscl_accesscache_get_hit_probe)( \ 62 nfscl_accesscache_get_hit_id, (vp), (uid), \ 63 (mode)); \ 64} while (0) 65 66#define KDTRACE_NFS_ACCESSCACHE_GET_MISS(vp, uid, mode) do { \ 67 if (dtrace_nfscl_accesscache_get_miss_probe != NULL) \ 68 (dtrace_nfscl_accesscache_get_miss_probe)( \ 69 nfscl_accesscache_get_miss_id, (vp), (uid), \ 70 (mode)); \ 71} while (0) 72 73#define KDTRACE_NFS_ACCESSCACHE_LOAD_DONE(vp, uid, rmode, error) do { \ 74 if (dtrace_nfscl_accesscache_load_done_probe != NULL) \ 75 (dtrace_nfscl_accesscache_load_done_probe)( \ 76 nfscl_accesscache_load_done_id, (vp), (uid), \ 77 (rmode), (error)); \ 78} while (0) 79 80/* 81 * Definitions for NFS attribute cache probes. 82 */ 83extern uint32_t nfscl_attrcache_flush_done_id; 84extern uint32_t nfscl_attrcache_get_hit_id; 85extern uint32_t nfscl_attrcache_get_miss_id; 86extern uint32_t nfscl_attrcache_load_done_id; 87 88#define KDTRACE_NFS_ATTRCACHE_FLUSH_DONE(vp) do { \ 89 if (dtrace_nfscl_attrcache_flush_done_probe != NULL) \ 90 (dtrace_nfscl_attrcache_flush_done_probe)( \ 91 nfscl_attrcache_flush_done_id, (vp)); \ 92} while (0) 93 94#define KDTRACE_NFS_ATTRCACHE_GET_HIT(vp, vap) do { \ 95 if (dtrace_nfscl_attrcache_get_hit_probe != NULL) \ 96 (dtrace_nfscl_attrcache_get_hit_probe)( \ 97 nfscl_attrcache_get_hit_id, (vp), (vap)); \ 98} while (0) 99 100#define KDTRACE_NFS_ATTRCACHE_GET_MISS(vp) do { \ 101 if (dtrace_nfscl_attrcache_get_miss_probe != NULL) \ 102 (dtrace_nfscl_attrcache_get_miss_probe)( \ 103 nfscl_attrcache_get_miss_id, (vp)); \ 104} while (0) 105 106#define KDTRACE_NFS_ATTRCACHE_LOAD_DONE(vp, vap, error) do { \ 107 if (dtrace_nfscl_attrcache_load_done_probe != NULL) \ 108 (dtrace_nfscl_attrcache_load_done_probe)( \ 109 nfscl_attrcache_load_done_id, (vp), (vap), \ 110 (error)); \ 111} while (0) 112 113#else /* !KDTRACE_HOOKS */ 114 115#define KDTRACE_NFS_ACCESSCACHE_FLUSH_DONE(vp) 116#define KDTRACE_NFS_ACCESSCACHE_GET_HIT(vp, uid, mode) 117#define KDTRACE_NFS_ACCESSCACHE_GET_MISS(vp, uid, mode) 118#define KDTRACE_NFS_ACCESSCACHE_LOAD_DONE(vp, uid, rmode, error) 119 120#define KDTRACE_NFS_ATTRCACHE_FLUSH_DONE(vp) 121#define KDTRACE_NFS_ATTRCACHE_GET_HIT(vp, vap) 122#define KDTRACE_NFS_ATTRCACHE_GET_MISS(vp) 123#define KDTRACE_NFS_ATTRCACHE_LOAD_DONE(vp, vap, error) 124 125#endif /* KDTRACE_HOOKS */ 126 127#endif /* !_NFSCL_NFS_KDTRACE_H_ */ 128