subr_evcnt.c revision 1.2.4.2
1 1.2.4.2 skrll /* $NetBSD: subr_evcnt.c,v 1.2.4.2 2004/08/03 10:52:55 skrll Exp $ */ 2 1.2.4.2 skrll 3 1.2.4.2 skrll /* 4 1.2.4.2 skrll * Copyright (c) 1996, 2000 Christopher G. Demetriou 5 1.2.4.2 skrll * All rights reserved. 6 1.2.4.2 skrll * 7 1.2.4.2 skrll * Redistribution and use in source and binary forms, with or without 8 1.2.4.2 skrll * modification, are permitted provided that the following conditions 9 1.2.4.2 skrll * are met: 10 1.2.4.2 skrll * 1. Redistributions of source code must retain the above copyright 11 1.2.4.2 skrll * notice, this list of conditions and the following disclaimer. 12 1.2.4.2 skrll * 2. Redistributions in binary form must reproduce the above copyright 13 1.2.4.2 skrll * notice, this list of conditions and the following disclaimer in the 14 1.2.4.2 skrll * documentation and/or other materials provided with the distribution. 15 1.2.4.2 skrll * 3. All advertising materials mentioning features or use of this software 16 1.2.4.2 skrll * must display the following acknowledgement: 17 1.2.4.2 skrll * This product includes software developed for the 18 1.2.4.2 skrll * NetBSD Project. See http://www.NetBSD.org/ for 19 1.2.4.2 skrll * information about NetBSD. 20 1.2.4.2 skrll * 4. The name of the author may not be used to endorse or promote products 21 1.2.4.2 skrll * derived from this software without specific prior written permission. 22 1.2.4.2 skrll * 23 1.2.4.2 skrll * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 24 1.2.4.2 skrll * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 1.2.4.2 skrll * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 1.2.4.2 skrll * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 27 1.2.4.2 skrll * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 28 1.2.4.2 skrll * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29 1.2.4.2 skrll * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 30 1.2.4.2 skrll * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 31 1.2.4.2 skrll * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 32 1.2.4.2 skrll * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 1.2.4.2 skrll * 34 1.2.4.2 skrll * --(license Id: LICENSE.proto,v 1.1 2000/06/13 21:40:26 cgd Exp )-- 35 1.2.4.2 skrll */ 36 1.2.4.2 skrll 37 1.2.4.2 skrll /* 38 1.2.4.2 skrll * Copyright (c) 1992, 1993 39 1.2.4.2 skrll * The Regents of the University of California. All rights reserved. 40 1.2.4.2 skrll * 41 1.2.4.2 skrll * This software was developed by the Computer Systems Engineering group 42 1.2.4.2 skrll * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 43 1.2.4.2 skrll * contributed to Berkeley. 44 1.2.4.2 skrll * 45 1.2.4.2 skrll * All advertising materials mentioning features or use of this software 46 1.2.4.2 skrll * must display the following acknowledgement: 47 1.2.4.2 skrll * This product includes software developed by the University of 48 1.2.4.2 skrll * California, Lawrence Berkeley Laboratories. 49 1.2.4.2 skrll * 50 1.2.4.2 skrll * Redistribution and use in source and binary forms, with or without 51 1.2.4.2 skrll * modification, are permitted provided that the following conditions 52 1.2.4.2 skrll * are met: 53 1.2.4.2 skrll * 1. Redistributions of source code must retain the above copyright 54 1.2.4.2 skrll * notice, this list of conditions and the following disclaimer. 55 1.2.4.2 skrll * 2. Redistributions in binary form must reproduce the above copyright 56 1.2.4.2 skrll * notice, this list of conditions and the following disclaimer in the 57 1.2.4.2 skrll * documentation and/or other materials provided with the distribution. 58 1.2.4.2 skrll * 3. Neither the name of the University nor the names of its contributors 59 1.2.4.2 skrll * may be used to endorse or promote products derived from this software 60 1.2.4.2 skrll * without specific prior written permission. 61 1.2.4.2 skrll * 62 1.2.4.2 skrll * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 63 1.2.4.2 skrll * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 64 1.2.4.2 skrll * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 65 1.2.4.2 skrll * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 66 1.2.4.2 skrll * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 67 1.2.4.2 skrll * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 68 1.2.4.2 skrll * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 69 1.2.4.2 skrll * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 70 1.2.4.2 skrll * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 71 1.2.4.2 skrll * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 72 1.2.4.2 skrll * SUCH DAMAGE. 73 1.2.4.2 skrll * 74 1.2.4.2 skrll * from: Header: subr_autoconf.c,v 1.12 93/02/01 19:31:48 torek Exp (LBL) 75 1.2.4.2 skrll * 76 1.2.4.2 skrll * @(#)subr_autoconf.c 8.3 (Berkeley) 5/17/94 77 1.2.4.2 skrll */ 78 1.2.4.2 skrll 79 1.2.4.2 skrll #include <sys/cdefs.h> 80 1.2.4.2 skrll __KERNEL_RCSID(0, "$NetBSD: subr_evcnt.c,v 1.2.4.2 2004/08/03 10:52:55 skrll Exp $"); 81 1.2.4.2 skrll 82 1.2.4.2 skrll #include "opt_ddb.h" 83 1.2.4.2 skrll 84 1.2.4.2 skrll #include <sys/param.h> 85 1.2.4.2 skrll #include <sys/device.h> 86 1.2.4.2 skrll #include <sys/systm.h> 87 1.2.4.2 skrll 88 1.2.4.2 skrll /* list of all events */ 89 1.2.4.2 skrll struct evcntlist allevents = TAILQ_HEAD_INITIALIZER(allevents); 90 1.2.4.2 skrll 91 1.2.4.2 skrll /* 92 1.2.4.2 skrll * We need a dummy object to stuff into the evcnt link set to 93 1.2.4.2 skrll * ensure that there always is at least one object in the set. 94 1.2.4.2 skrll */ 95 1.2.4.2 skrll static struct evcnt dummy_static_evcnt; 96 1.2.4.2 skrll __link_set_add_bss(evcnts, dummy_static_evcnt); 97 1.2.4.2 skrll 98 1.2.4.2 skrll /* 99 1.2.4.2 skrll * Initialize event counters. This does the attach procedure for 100 1.2.4.2 skrll * each of the static event counters in the "evcnts" link set. 101 1.2.4.2 skrll */ 102 1.2.4.2 skrll void 103 1.2.4.2 skrll evcnt_init(void) 104 1.2.4.2 skrll { 105 1.2.4.2 skrll __link_set_decl(evcnts, struct evcnt); 106 1.2.4.2 skrll struct evcnt * const *evp; 107 1.2.4.2 skrll 108 1.2.4.2 skrll __link_set_foreach(evp, evcnts) { 109 1.2.4.2 skrll if (*evp == &dummy_static_evcnt) 110 1.2.4.2 skrll continue; 111 1.2.4.2 skrll evcnt_attach_static(*evp); 112 1.2.4.2 skrll } 113 1.2.4.2 skrll } 114 1.2.4.2 skrll 115 1.2.4.2 skrll /* 116 1.2.4.2 skrll * Attach a statically-initialized event. The type and string pointers 117 1.2.4.2 skrll * are already set up. 118 1.2.4.2 skrll */ 119 1.2.4.2 skrll void 120 1.2.4.2 skrll evcnt_attach_static(struct evcnt *ev) 121 1.2.4.2 skrll { 122 1.2.4.2 skrll int len; 123 1.2.4.2 skrll 124 1.2.4.2 skrll len = strlen(ev->ev_group); 125 1.2.4.2 skrll #ifdef DIAGNOSTIC 126 1.2.4.2 skrll if (len >= EVCNT_STRING_MAX) /* ..._MAX includes NUL */ 127 1.2.4.2 skrll panic("evcnt_attach_static: group length (%s)", ev->ev_group); 128 1.2.4.2 skrll #endif 129 1.2.4.2 skrll ev->ev_grouplen = len; 130 1.2.4.2 skrll 131 1.2.4.2 skrll len = strlen(ev->ev_name); 132 1.2.4.2 skrll #ifdef DIAGNOSTIC 133 1.2.4.2 skrll if (len >= EVCNT_STRING_MAX) /* ..._MAX includes NUL */ 134 1.2.4.2 skrll panic("evcnt_attach_static: name length (%s)", ev->ev_name); 135 1.2.4.2 skrll #endif 136 1.2.4.2 skrll ev->ev_namelen = len; 137 1.2.4.2 skrll 138 1.2.4.2 skrll TAILQ_INSERT_TAIL(&allevents, ev, ev_list); 139 1.2.4.2 skrll } 140 1.2.4.2 skrll 141 1.2.4.2 skrll /* 142 1.2.4.2 skrll * Attach a dynamically-initialized event. Zero it, set up the type 143 1.2.4.2 skrll * and string pointers and then act like it was statically initialized. 144 1.2.4.2 skrll */ 145 1.2.4.2 skrll void 146 1.2.4.2 skrll evcnt_attach_dynamic(struct evcnt *ev, int type, const struct evcnt *parent, 147 1.2.4.2 skrll const char *group, const char *name) 148 1.2.4.2 skrll { 149 1.2.4.2 skrll 150 1.2.4.2 skrll memset(ev, 0, sizeof *ev); 151 1.2.4.2 skrll ev->ev_type = type; 152 1.2.4.2 skrll ev->ev_parent = parent; 153 1.2.4.2 skrll ev->ev_group = group; 154 1.2.4.2 skrll ev->ev_name = name; 155 1.2.4.2 skrll evcnt_attach_static(ev); 156 1.2.4.2 skrll } 157 1.2.4.2 skrll 158 1.2.4.2 skrll /* 159 1.2.4.2 skrll * Detach an event. 160 1.2.4.2 skrll */ 161 1.2.4.2 skrll void 162 1.2.4.2 skrll evcnt_detach(struct evcnt *ev) 163 1.2.4.2 skrll { 164 1.2.4.2 skrll 165 1.2.4.2 skrll TAILQ_REMOVE(&allevents, ev, ev_list); 166 1.2.4.2 skrll } 167 1.2.4.2 skrll 168 1.2.4.2 skrll #ifdef DDB 169 1.2.4.2 skrll void 170 1.2.4.2 skrll event_print(int full, void (*pr)(const char *, ...)) 171 1.2.4.2 skrll { 172 1.2.4.2 skrll struct evcnt *evp; 173 1.2.4.2 skrll 174 1.2.4.2 skrll TAILQ_FOREACH(evp, &allevents, ev_list) { 175 1.2.4.2 skrll if (evp->ev_count == 0 && !full) 176 1.2.4.2 skrll continue; 177 1.2.4.2 skrll 178 1.2.4.2 skrll (*pr)("evcnt type %d: %s %s = %lld\n", evp->ev_type, 179 1.2.4.2 skrll evp->ev_group, evp->ev_name, evp->ev_count); 180 1.2.4.2 skrll } 181 1.2.4.2 skrll } 182 1.2.4.2 skrll #endif /* DDB */ 183
Indexes created Sat Sep 20 22:09:52 GMT 2025