Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]
FreeBSD/Linux Kernel Cross Reference
sys/sys/lockstat.h
Version:
- FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
SearchContext: - none - 3 - 10
SearchContext: - none - 3 - 10
1 /*- 2 * Copyright (c) 2008-2009 Stacey Son <sson@FreeBSD.org> 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE 17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23 * SUCH DAMAGE. 24 * 25 * $FreeBSD: releng/11.0/sys/sys/lockstat.h 285709 2015-07-20 04:41:25Z markj $ 26 */ 27 28 /* 29 * DTrace lockstat provider definitions 30 */ 31 32 #ifndef _SYS_LOCKSTAT_H 33 #define _SYS_LOCKSTAT_H 34 35 #ifdef _KERNEL 36 37 #include <sys/param.h> 38 #include <sys/queue.h> 39 #include <sys/sdt.h> 40 41 SDT_PROVIDER_DECLARE(lockstat); 42 43 SDT_PROBE_DECLARE(lockstat, , , adaptive__acquire); 44 SDT_PROBE_DECLARE(lockstat, , , adaptive__release); 45 SDT_PROBE_DECLARE(lockstat, , , adaptive__spin); 46 SDT_PROBE_DECLARE(lockstat, , , adaptive__block); 47 48 SDT_PROBE_DECLARE(lockstat, , , spin__acquire); 49 SDT_PROBE_DECLARE(lockstat, , , spin__release); 50 SDT_PROBE_DECLARE(lockstat, , , spin__spin); 51 52 SDT_PROBE_DECLARE(lockstat, , , rw__acquire); 53 SDT_PROBE_DECLARE(lockstat, , , rw__release); 54 SDT_PROBE_DECLARE(lockstat, , , rw__block); 55 SDT_PROBE_DECLARE(lockstat, , , rw__spin); 56 SDT_PROBE_DECLARE(lockstat, , , rw__upgrade); 57 SDT_PROBE_DECLARE(lockstat, , , rw__downgrade); 58 59 SDT_PROBE_DECLARE(lockstat, , , sx__acquire); 60 SDT_PROBE_DECLARE(lockstat, , , sx__release); 61 SDT_PROBE_DECLARE(lockstat, , , sx__block); 62 SDT_PROBE_DECLARE(lockstat, , , sx__spin); 63 SDT_PROBE_DECLARE(lockstat, , , sx__upgrade); 64 SDT_PROBE_DECLARE(lockstat, , , sx__downgrade); 65 66 SDT_PROBE_DECLARE(lockstat, , , thread__spin); 67 68 #define LOCKSTAT_WRITER 0 69 #define LOCKSTAT_READER 1 70 71 extern int lockstat_enabled; 72 73 #ifdef KDTRACE_HOOKS 74 75 #define LOCKSTAT_RECORD0(probe, lp) \ 76 SDT_PROBE1(lockstat, , , probe, lp) 77 78 #define LOCKSTAT_RECORD1(probe, lp, arg1) \ 79 SDT_PROBE2(lockstat, , , probe, lp, arg1) 80 81 #define LOCKSTAT_RECORD2(probe, lp, arg1, arg2) \ 82 SDT_PROBE3(lockstat, , , probe, lp, arg1, arg2) 83 84 #define LOCKSTAT_RECORD3(probe, lp, arg1, arg2, arg3) \ 85 SDT_PROBE4(lockstat, , , probe, lp, arg1, arg2, arg3) 86 87 #define LOCKSTAT_RECORD4(probe, lp, arg1, arg2, arg3, arg4) \ 88 SDT_PROBE5(lockstat, , , probe, lp, arg1, arg2, arg3, arg4) 89 90 #define LOCKSTAT_PROFILE_OBTAIN_LOCK_SUCCESS(probe, lp, c, wt, f, l) do { \ 91 lock_profile_obtain_lock_success(&(lp)->lock_object, c, wt, f, l); \ 92 LOCKSTAT_RECORD0(probe, lp); \ 93 } while (0) 94 95 #define LOCKSTAT_PROFILE_OBTAIN_RWLOCK_SUCCESS(probe, lp, c, wt, f, l, a) do { \ 96 lock_profile_obtain_lock_success(&(lp)->lock_object, c, wt, f, l); \ 97 LOCKSTAT_RECORD1(probe, lp, a); \ 98 } while (0) 99 100 #define LOCKSTAT_PROFILE_RELEASE_LOCK(probe, lp) do { \ 101 lock_profile_release_lock(&(lp)->lock_object); \ 102 LOCKSTAT_RECORD0(probe, lp); \ 103 } while (0) 104 105 #define LOCKSTAT_PROFILE_RELEASE_RWLOCK(probe, lp, a) do { \ 106 lock_profile_release_lock(&(lp)->lock_object); \ 107 LOCKSTAT_RECORD1(probe, lp, a); \ 108 } while (0) 109 110 struct lock_object; 111 uint64_t lockstat_nsecs(struct lock_object *); 112 113 #else /* !KDTRACE_HOOKS */ 114 115 #define LOCKSTAT_RECORD0(probe, lp) 116 #define LOCKSTAT_RECORD1(probe, lp, arg1) 117 #define LOCKSTAT_RECORD2(probe, lp, arg1, arg2) 118 #define LOCKSTAT_RECORD3(probe, lp, arg1, arg2, arg3) 119 #define LOCKSTAT_RECORD4(probe, lp, arg1, arg2, arg3, arg4) 120 121 #define LOCKSTAT_PROFILE_OBTAIN_LOCK_SUCCESS(probe, lp, c, wt, f, l) \ 122 lock_profile_obtain_lock_success(&(lp)->lock_object, c, wt, f, l) 123 124 #define LOCKSTAT_PROFILE_OBTAIN_RWLOCK_SUCCESS(probe, lp, c, wt, f, l, a) \ 125 LOCKSTAT_PROFILE_OBTAIN_LOCK_SUCCESS(probe, lp, c, wt, f, l) 126 127 #define LOCKSTAT_PROFILE_RELEASE_LOCK(probe, lp) \ 128 lock_profile_release_lock(&(lp)->lock_object) 129 130 #define LOCKSTAT_PROFILE_RELEASE_RWLOCK(probe, lp, a) \ 131 LOCKSTAT_PROFILE_RELEASE_LOCK(probe, lp) 132 133 #endif /* !KDTRACE_HOOKS */ 134 #endif /* _KERNEL */ 135 #endif /* _SYS_LOCKSTAT_H */
Cache object: 1284967c62a961df8ec932ab7bd34e11
[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]