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/sdt.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 /* $NetBSD: sdt.h,v 1.15 2022/10/29 14:00:12 riastradh Exp $ */ 2 3 /*- 4 * Copyright 2006-2008 John Birrell <jb@FreeBSD.org> 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD: head/sys/sys/sdt.h 270990 2014-09-02 23:43:06Z markj $ 28 * 29 * Statically Defined Tracing (SDT) definitions. 30 * 31 */ 32 33 #ifndef _SYS_SDT_H 34 #define _SYS_SDT_H 35 36 #ifndef _KERNEL 37 38 #define _DTRACE_VERSION 1 39 40 #define DTRACE_PROBE(prov, name) do { \ 41 extern void __dtrace_##prov##___##name(void); \ 42 __dtrace_##prov##___##name(); \ 43 } while (0) 44 45 #define DTRACE_PROBE1(prov, name, arg1) do { \ 46 extern void __dtrace_##prov##___##name(unsigned long); \ 47 __dtrace_##prov##___##name((unsigned long)arg1); \ 48 } while (0) 49 50 #define DTRACE_PROBE2(prov, name, arg1, arg2) do { \ 51 extern void __dtrace_##prov##___##name(unsigned long, \ 52 unsigned long); \ 53 __dtrace_##prov##___##name((unsigned long)arg1, \ 54 (unsigned long)arg2); \ 55 } while (0) 56 57 #define DTRACE_PROBE3(prov, name, arg1, arg2, arg3) do { \ 58 extern void __dtrace_##prov##___##name(unsigned long, \ 59 unsigned long, unsigned long); \ 60 __dtrace_##prov##___##name((unsigned long)arg1, \ 61 (unsigned long)arg2, (unsigned long)arg3); \ 62 } while (0) 63 64 #define DTRACE_PROBE4(prov, name, arg1, arg2, arg3, arg4) do { \ 65 extern void __dtrace_##prov##___##name(unsigned long, \ 66 unsigned long, unsigned long, unsigned long); \ 67 __dtrace_##prov##___##name((unsigned long)arg1, \ 68 (unsigned long)arg2, (unsigned long)arg3, \ 69 (unsigned long)arg4); \ 70 } while (0) 71 72 #define DTRACE_PROBE5(prov, name, arg1, arg2, arg3, arg4, arg5) do { \ 73 extern void __dtrace_##prov##___##name(unsigned long, \ 74 unsigned long, unsigned long, unsigned long, unsigned long);\ 75 __dtrace_##prov##___##name((unsigned long)arg1, \ 76 (unsigned long)arg2, (unsigned long)arg3, \ 77 (unsigned long)arg4, (unsigned long)arg5); \ 78 } while (0) 79 80 #else /* _KERNEL */ 81 82 #include <sys/types.h> 83 #include <sys/cdefs.h> 84 #include <sys/queue.h> 85 86 #ifdef _KERNEL_OPT 87 #include "opt_dtrace.h" 88 #endif 89 90 #ifndef KDTRACE_HOOKS 91 92 #define SDT_PROVIDER_DEFINE(prov) 93 #define SDT_PROVIDER_DECLARE(prov) 94 #define SDT_PROBE_DEFINE(prov, mod, func, name) 95 #define SDT_PROBE_DECLARE(prov, mod, func, name) 96 #define SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4) \ 97 __nothing 98 #define SDT_PROBE_ARGTYPE(prov, mod, func, name, num, type, xtype) 99 100 #define SDT_PROBE_DEFINE0(prov, mod, func, name) 101 #define SDT_PROBE_DEFINE1(prov, mod, func, name, arg0) 102 #define SDT_PROBE_DEFINE2(prov, mod, func, name, arg0, arg1) 103 #define SDT_PROBE_DEFINE3(prov, mod, func, name, arg0, arg1, arg2) 104 #define SDT_PROBE_DEFINE4(prov, mod, func, name, arg0, arg1, arg2, arg3) 105 #define SDT_PROBE_DEFINE5(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4) 106 #define SDT_PROBE_DEFINE6(prov, mod, func, name, arg0, arg1, arg2, \ 107 arg3, arg4, arg5) 108 #define SDT_PROBE_DEFINE7(prov, mod, func, name, arg0, arg1, arg2, \ 109 arg3, arg4, arg5, arg6) 110 111 #define SDT_PROBE0(prov, mod, func, name) __nothing 112 #define SDT_PROBE1(prov, mod, func, name, arg0) __nothing 113 #define SDT_PROBE2(prov, mod, func, name, arg0, arg1) __nothing 114 #define SDT_PROBE3(prov, mod, func, name, arg0, arg1, arg2) __nothing 115 #define SDT_PROBE4(prov, mod, func, name, arg0, arg1, arg2, arg3) \ 116 __nothing 117 #define SDT_PROBE5(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4) \ 118 __nothing 119 #define SDT_PROBE6(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4, arg5) \ 120 __nothing 121 #define SDT_PROBE7(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4, arg5, \ 122 arg6) \ 123 __nothing 124 125 #define SDT_PROBE_DEFINE0_XLATE(prov, mod, func, name) 126 #define SDT_PROBE_DEFINE1_XLATE(prov, mod, func, name, arg0, xarg0) 127 #define SDT_PROBE_DEFINE2_XLATE(prov, mod, func, name, arg0, xarg0, \ 128 arg1, xarg1) 129 #define SDT_PROBE_DEFINE3_XLATE(prov, mod, func, name, arg0, xarg0, \ 130 arg1, xarg1, arg2, xarg2) 131 #define SDT_PROBE_DEFINE4_XLATE(prov, mod, func, name, arg0, xarg0, \ 132 arg1, xarg1, arg2, xarg2, arg3, xarg3) 133 #define SDT_PROBE_DEFINE5_XLATE(prov, mod, func, name, arg0, xarg0, \ 134 arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4) 135 #define SDT_PROBE_DEFINE6_XLATE(prov, mod, func, name, arg0, xarg0, \ 136 arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4, arg5, xarg5) 137 #define SDT_PROBE_DEFINE7_XLATE(prov, mod, func, name, arg0, xarg0, \ 138 arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4, arg5, xarg5, arg6, \ 139 xarg6) 140 141 #define DTRACE_PROBE(name) __nothing 142 #define DTRACE_PROBE1(name, type0, arg0) __nothing 143 #define DTRACE_PROBE2(name, type0, arg0, type1, arg1) __nothing 144 #define DTRACE_PROBE3(name, type0, arg0, type1, arg1, type2, arg2) \ 145 __nothing 146 #define DTRACE_PROBE4(name, type0, arg0, type1, arg1, type2, arg2, type3, arg3)\ 147 __nothing 148 #define DTRACE_PROBE5(name, type0, arg0, type1, arg1, type2, arg2, type3, arg3,\ 149 type4, arg4) \ 150 __nothing 151 152 #else 153 154 #define SDT_PROVIDER_DEFINE(prov) \ 155 struct sdt_provider sdt_provider_##prov[1] = { \ 156 { #prov, { NULL, NULL }, 0, 0 } \ 157 }; \ 158 __link_set_add_data(sdt_providers_set, sdt_provider_##prov); 159 160 #define SDT_PROVIDER_DECLARE(prov) \ 161 extern struct sdt_provider sdt_provider_##prov[1] 162 163 #define SDT_PROBE_DEFINE(prov, mod, func, name) \ 164 struct sdt_probe sdt_##prov##_##mod##_##func##_##name[1] = { \ 165 { sizeof(struct sdt_probe), sdt_provider_##prov, \ 166 { NULL, NULL }, { NULL, NULL }, #mod, #func, #name, 0, 0, \ 167 NULL } \ 168 }; \ 169 __link_set_add_data(sdt_probes_set, sdt_##prov##_##mod##_##func##_##name); 170 171 #define SDT_PROBE_DECLARE(prov, mod, func, name) \ 172 extern struct sdt_probe sdt_##prov##_##mod##_##func##_##name[1] 173 174 #define SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4) do { \ 175 if (__predict_false(sdt_##prov##_##mod##_##func##_##name->id)) \ 176 (*sdt_probe_func)(sdt_##prov##_##mod##_##func##_##name->id, \ 177 (uintptr_t) (arg0), (uintptr_t) (arg1), (uintptr_t) (arg2), \ 178 (uintptr_t) (arg3), (uintptr_t) (arg4)); \ 179 } while (0) 180 181 #define SDT_PROBE_ARGTYPE(prov, mod, func, name, num, type, xtype) \ 182 static struct sdt_argtype sdta_##prov##_##mod##_##func##_##name##num[1] \ 183 = { { num, type, xtype, { NULL, NULL }, \ 184 sdt_##prov##_##mod##_##func##_##name } \ 185 }; \ 186 __link_set_add_data(sdt_argtypes_set, sdta_##prov##_##mod##_##func##_##name##num); 187 188 #define SDT_PROBE_DEFINE0(prov, mod, func, name) \ 189 SDT_PROBE_DEFINE(prov, mod, func, name) 190 191 #define SDT_PROBE_DEFINE1(prov, mod, func, name, arg0) \ 192 SDT_PROBE_DEFINE(prov, mod, func, name); \ 193 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL) 194 195 #define SDT_PROBE_DEFINE2(prov, mod, func, name, arg0, arg1) \ 196 SDT_PROBE_DEFINE(prov, mod, func, name); \ 197 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \ 198 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL) 199 200 #define SDT_PROBE_DEFINE3(prov, mod, func, name, arg0, arg1, arg2)\ 201 SDT_PROBE_DEFINE(prov, mod, func, name); \ 202 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \ 203 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL); \ 204 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, NULL) 205 206 #define SDT_PROBE_DEFINE4(prov, mod, func, name, arg0, arg1, arg2, arg3) \ 207 SDT_PROBE_DEFINE(prov, mod, func, name); \ 208 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \ 209 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL); \ 210 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, NULL); \ 211 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, NULL) 212 213 #define SDT_PROBE_DEFINE5(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4) \ 214 SDT_PROBE_DEFINE(prov, mod, func, name); \ 215 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \ 216 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL); \ 217 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, NULL); \ 218 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, NULL); \ 219 SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, NULL) 220 221 #define SDT_PROBE_DEFINE6(prov, mod, func, name, arg0, arg1, arg2, arg3,\ 222 arg4, arg5) \ 223 SDT_PROBE_DEFINE(prov, mod, func, name); \ 224 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \ 225 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL); \ 226 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, NULL); \ 227 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, NULL); \ 228 SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, NULL); \ 229 SDT_PROBE_ARGTYPE(prov, mod, func, name, 5, arg5, NULL) 230 231 #define SDT_PROBE_DEFINE7(prov, mod, func, name, arg0, arg1, arg2, arg3,\ 232 arg4, arg5, arg6) \ 233 SDT_PROBE_DEFINE(prov, mod, func, name); \ 234 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \ 235 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL); \ 236 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, NULL); \ 237 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, NULL); \ 238 SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, NULL); \ 239 SDT_PROBE_ARGTYPE(prov, mod, func, name, 5, arg5, NULL); \ 240 SDT_PROBE_ARGTYPE(prov, mod, func, name, 6, arg6, NULL) 241 242 #define SDT_PROBE_DEFINE0_XLATE(prov, mod, func, name) \ 243 SDT_PROBE_DEFINE(prov, mod, func, name) 244 245 #define SDT_PROBE_DEFINE1_XLATE(prov, mod, func, name, arg0, xarg0) \ 246 SDT_PROBE_DEFINE(prov, mod, func, name); \ 247 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0) 248 249 #define SDT_PROBE_DEFINE2_XLATE(prov, mod, func, name, arg0, xarg0, \ 250 arg1, xarg1) \ 251 SDT_PROBE_DEFINE(prov, mod, func, name); \ 252 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \ 253 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1) 254 255 #define SDT_PROBE_DEFINE3_XLATE(prov, mod, func, name, arg0, xarg0, \ 256 arg1, xarg1, arg2, xarg2) \ 257 SDT_PROBE_DEFINE(prov, mod, func, name); \ 258 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \ 259 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1); \ 260 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, xarg2) 261 262 #define SDT_PROBE_DEFINE4_XLATE(prov, mod, func, name, arg0, xarg0, \ 263 arg1, xarg1, arg2, xarg2, arg3, xarg3) \ 264 SDT_PROBE_DEFINE(prov, mod, func, name); \ 265 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \ 266 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1); \ 267 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, xarg2); \ 268 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, xarg3) 269 270 #define SDT_PROBE_DEFINE5_XLATE(prov, mod, func, name, arg0, xarg0, \ 271 arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4) \ 272 SDT_PROBE_DEFINE(prov, mod, func, name); \ 273 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \ 274 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1); \ 275 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, xarg2); \ 276 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, xarg3); \ 277 SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, xarg4) 278 279 #define SDT_PROBE_DEFINE6_XLATE(prov, mod, func, name, arg0, xarg0, \ 280 arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4, arg5, xarg5) \ 281 SDT_PROBE_DEFINE(prov, mod, func, name); \ 282 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \ 283 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1); \ 284 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, xarg2); \ 285 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, xarg3); \ 286 SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, xarg4); \ 287 SDT_PROBE_ARGTYPE(prov, mod, func, name, 5, arg5, xarg5) 288 289 #define SDT_PROBE_DEFINE7_XLATE(prov, mod, func, name, arg0, xarg0, \ 290 arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4, arg5, xarg5, arg6, \ 291 xarg6) \ 292 SDT_PROBE_DEFINE(prov, mod, func, name); \ 293 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \ 294 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1); \ 295 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, xarg2); \ 296 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, xarg3); \ 297 SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, xarg4); \ 298 SDT_PROBE_ARGTYPE(prov, mod, func, name, 5, arg5, xarg5); \ 299 SDT_PROBE_ARGTYPE(prov, mod, func, name, 6, arg6, xarg6) 300 301 #define SDT_PROBE0(prov, mod, func, name) \ 302 SDT_PROBE(prov, mod, func, name, 0, 0, 0, 0, 0) 303 #define SDT_PROBE1(prov, mod, func, name, arg0) \ 304 SDT_PROBE(prov, mod, func, name, arg0, 0, 0, 0, 0) 305 #define SDT_PROBE2(prov, mod, func, name, arg0, arg1) \ 306 SDT_PROBE(prov, mod, func, name, arg0, arg1, 0, 0, 0) 307 #define SDT_PROBE3(prov, mod, func, name, arg0, arg1, arg2) \ 308 SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, 0, 0) 309 #define SDT_PROBE4(prov, mod, func, name, arg0, arg1, arg2, arg3) \ 310 SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, arg3, 0) 311 #define SDT_PROBE5(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4) \ 312 SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4) 313 /* XXX: void * function casts */ 314 #define SDT_PROBE6(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4, arg5) \ 315 do { \ 316 if (__predict_false(sdt_##prov##_##mod##_##func##_##name->id)) \ 317 __FPTRCAST(void (*)(uint32_t, uintptr_t, uintptr_t, \ 318 uintptr_t, uintptr_t, uintptr_t, uintptr_t), \ 319 sdt_probe_func)( \ 320 sdt_##prov##_##mod##_##func##_##name->id, \ 321 (uintptr_t)arg0, (uintptr_t)arg1, (uintptr_t)arg2, \ 322 (uintptr_t)arg3, (uintptr_t)arg4, (uintptr_t)arg5);\ 323 } while (0) 324 #define SDT_PROBE7(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4, arg5, \ 325 arg6) \ 326 do { \ 327 if (__predict_false(sdt_##prov##_##mod##_##func##_##name->id)) \ 328 __FPTRCAST(void (*)(uint32_t, uintptr_t, uintptr_t, \ 329 uintptr_t, uintptr_t, uintptr_t, uintptr_t, \ 330 uintptr_t), sdt_probe_func)( \ 331 sdt_##prov##_##mod##_##func##_##name->id, \ 332 (uintptr_t)arg0, (uintptr_t)arg1, (uintptr_t)arg2, \ 333 (uintptr_t)arg3, (uintptr_t)arg4, (uintptr_t)arg5, \ 334 (uintptr_t)arg6); \ 335 } while (0) 336 337 #define DTRACE_PROBE_IMPL_START(name, arg0, arg1, arg2, arg3, arg4) do { \ 338 static SDT_PROBE_DEFINE(sdt, , , name); \ 339 SDT_PROBE(sdt, , , name, arg0, arg1, arg2, arg3, arg4); 340 #define DTRACE_PROBE_IMPL_END } while (0) 341 342 #define DTRACE_PROBE(name) \ 343 DTRACE_PROBE_IMPL_START(name, 0, 0, 0, 0, 0) \ 344 DTRACE_PROBE_IMPL_END 345 346 #define DTRACE_PROBE1(name, type0, arg0) \ 347 DTRACE_PROBE_IMPL_START(name, arg0, 0, 0, 0, 0) \ 348 SDT_PROBE_ARGTYPE(sdt, , , name, 0, #type0, NULL); \ 349 DTRACE_PROBE_IMPL_END 350 351 #define DTRACE_PROBE2(name, type0, arg0, type1, arg1) \ 352 DTRACE_PROBE_IMPL_START(name, arg0, arg1, 0, 0, 0) \ 353 SDT_PROBE_ARGTYPE(sdt, , , name, 0, #type0, NULL); \ 354 SDT_PROBE_ARGTYPE(sdt, , , name, 1, #type1, NULL); \ 355 DTRACE_PROBE_IMPL_END 356 357 #define DTRACE_PROBE3(name, type0, arg0, type1, arg1, type2, arg2) \ 358 DTRACE_PROBE_IMPL_START(name, arg0, arg1, arg2, 0, 0) \ 359 SDT_PROBE_ARGTYPE(sdt, , , name, 0, #type0, NULL); \ 360 SDT_PROBE_ARGTYPE(sdt, , , name, 1, #type1, NULL); \ 361 SDT_PROBE_ARGTYPE(sdt, , , name, 2, #type2, NULL); \ 362 DTRACE_PROBE_IMPL_END 363 364 #define DTRACE_PROBE4(name, type0, arg0, type1, arg1, type2, arg2, type3, arg3) \ 365 DTRACE_PROBE_IMPL_START(name, arg0, arg1, arg2, arg3, 0) \ 366 SDT_PROBE_ARGTYPE(sdt, , , name, 0, #type0, NULL); \ 367 SDT_PROBE_ARGTYPE(sdt, , , name, 1, #type1, NULL); \ 368 SDT_PROBE_ARGTYPE(sdt, , , name, 2, #type2, NULL); \ 369 SDT_PROBE_ARGTYPE(sdt, , , name, 3, #type3, NULL); \ 370 DTRACE_PROBE_IMPL_END 371 372 #define DTRACE_PROBE5(name, type0, arg0, type1, arg1, type2, arg2, type3, arg3, \ 373 type4, arg4) \ 374 DTRACE_PROBE_IMPL_START(name, arg0, arg1, arg2, arg3, arg4) \ 375 SDT_PROBE_ARGTYPE(sdt, , , name, 0, #type0, NULL); \ 376 SDT_PROBE_ARGTYPE(sdt, , , name, 1, #type1, NULL); \ 377 SDT_PROBE_ARGTYPE(sdt, , , name, 2, #type2, NULL); \ 378 SDT_PROBE_ARGTYPE(sdt, , , name, 3, #type3, NULL); \ 379 SDT_PROBE_ARGTYPE(sdt, , , name, 4, #type4, NULL); \ 380 DTRACE_PROBE_IMPL_END 381 382 #endif /* KDTRACE_HOOKS */ 383 384 /* 385 * This type definition must match that of dtrace_probe. It is defined this 386 * way to avoid having to rely on CDDL code. 387 */ 388 typedef void (*sdt_probe_func_t)(uint32_t, uintptr_t arg0, uintptr_t arg1, 389 uintptr_t arg2, uintptr_t arg3, uintptr_t arg4); 390 391 /* 392 * The 'sdt' provider will set it to dtrace_probe when it loads. 393 */ 394 extern sdt_probe_func_t sdt_probe_func; 395 396 struct sdt_probe; 397 struct sdt_provider; 398 struct linker_file; 399 400 struct sdt_argtype { 401 int ndx; /* Argument index. */ 402 const char *type; /* Argument type string. */ 403 const char *xtype; /* Translated argument type. */ 404 TAILQ_ENTRY(sdt_argtype) 405 argtype_entry; /* Argument type list entry. */ 406 struct sdt_probe *probe; /* Ptr to the probe structure. */ 407 }; 408 409 struct sdt_probe { 410 int version; /* Set to sizeof(struct sdt_probe). */ 411 struct sdt_provider *prov; /* Ptr to the provider structure. */ 412 TAILQ_ENTRY(sdt_probe) 413 probe_entry; /* SDT probe list entry. */ 414 TAILQ_HEAD(argtype_list_head, sdt_argtype) argtype_list; 415 const char *mod; 416 const char *func; 417 const char *name; 418 id_t id; /* DTrace probe ID. */ 419 int n_args; /* Number of arguments. */ 420 struct linker_file *sdtp_lf; /* Module in which we're defined. */ 421 }; 422 423 struct sdt_provider { 424 const char *name; /* Provider name. */ 425 TAILQ_ENTRY(sdt_provider) 426 prov_entry; /* SDT provider list entry. */ 427 uintptr_t id; /* DTrace provider ID. */ 428 int sdt_refs; /* Number of module references. */ 429 }; 430 431 void sdt_probe_stub(uint32_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t, 432 uintptr_t); 433 434 SDT_PROVIDER_DECLARE(sdt); 435 436 void sdt_init(void *); 437 void sdt_exit(void); 438 439 440 #endif /* _KERNEL */ 441 442 #endif /* _SYS_SDT_H */
Cache object: 062f62d7e05750f93e92439b92d1cbe9
[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]