1 | /* |
2 | * Copyright (c) 2000-2018 Apple Inc. All rights reserved. |
3 | * |
4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
5 | * |
6 | * This file contains Original Code and/or Modifications of Original Code |
7 | * as defined in and that are subject to the Apple Public Source License |
8 | * Version 2.0 (the 'License'). You may not use this file except in |
9 | * compliance with the License. The rights granted to you under the License |
10 | * may not be used to create, or enable the creation or redistribution of, |
11 | * unlawful or unlicensed copies of an Apple operating system, or to |
12 | * circumvent, violate, or enable the circumvention or violation of, any |
13 | * terms of an Apple operating system software license agreement. |
14 | * |
15 | * Please obtain a copy of the License at |
16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. |
17 | * |
18 | * The Original Code and all software distributed under the License are |
19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
23 | * Please see the License for the specific language governing rights and |
24 | * limitations under the License. |
25 | * |
26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
27 | */ |
28 | |
29 | #ifndef BSD_SYS_KDEBUG_KERNEL_H |
30 | #define BSD_SYS_KDEBUG_KERNEL_H |
31 | |
32 | #include <mach/boolean.h> |
33 | #include <mach/clock_types.h> |
34 | #include <stdbool.h> |
35 | #include <stdint.h> |
36 | #include <sys/cdefs.h> |
37 | |
38 | __BEGIN_DECLS |
39 | |
40 | #ifdef KERNEL |
41 | |
42 | /* |
43 | * To use kdebug in the kernel: |
44 | * |
45 | * #include <sys/kdebug_kernel.h> |
46 | * |
47 | * #define DBG_NETIPINIT NETDBG_CODE(DBG_NETIP, 1) |
48 | * |
49 | * void |
50 | * ip_init(void) |
51 | * { |
52 | * KDBG(DBG_NETIPINIT | DBG_FUNC_START, 1, 2, 3, 4); |
53 | * ... |
54 | * KDBG(DBG_NETIPINIT); |
55 | * ... |
56 | * KDBG(DBG_NETIPINIT | DBG_FUNC_END); |
57 | * } |
58 | */ |
59 | |
60 | #pragma mark - kernel tracepoints |
61 | |
62 | /* |
63 | * The KDBG{,_DEBUG,_RELEASE,_FILTERED} macros are the preferred method of |
64 | * making tracepoints. |
65 | * |
66 | * Kernel pointers must be unslid or permuted using VM_KERNEL_UNSLIDE_OR_PERM. |
67 | * Do not trace any sensitive data. |
68 | */ |
69 | |
70 | /* |
71 | * Traced on debug and development (and release macOS) kernels. |
72 | */ |
73 | #define KDBG(x, ...) KDBG_(, x, ## __VA_ARGS__, 4, 3, 2, 1, 0) |
74 | |
75 | /* |
76 | * Traced on debug and development (and release macOS) kernels if explicitly |
77 | * requested. Omitted from tracing without a typefilter. |
78 | */ |
79 | #define KDBG_FILTERED(x, ...) KDBG_(_FILTERED, x, ## __VA_ARGS__, 4, 3, 2, 1, 0) |
80 | |
81 | #ifdef KERNEL_PRIVATE |
82 | |
83 | /* |
84 | * Traced on debug and development (and release macOS) kernels, even if the |
85 | * process filter would reject it. |
86 | */ |
87 | #define KDBG_RELEASE_NOPROCFILT(x, ...) \ |
88 | KDBG_(_RELEASE_NOPROCFILT, x, ## __VA_ARGS__, 4, 3, 2, 1, 0) |
89 | |
90 | #endif /* KERNEL_PRIVATE */ |
91 | |
92 | /* |
93 | * Traced on debug, development, and release kernels. |
94 | * |
95 | * Only use this tracepoint if the events are required for a shipping trace |
96 | * tool. |
97 | */ |
98 | #define KDBG_RELEASE(x, ...) KDBG_(_RELEASE, x, ## __VA_ARGS__, 4, 3, 2, 1, 0) |
99 | |
100 | /* |
101 | * Traced only on debug kernels. |
102 | */ |
103 | #define KDBG_DEBUG(x, ...) KDBG_(_DEBUG, x, ## __VA_ARGS__, 4, 3, 2, 1, 0) |
104 | |
105 | #pragma mark - kernel API |
106 | |
107 | #ifdef KERNEL_PRIVATE |
108 | |
109 | /* |
110 | * kernel_debug_string provides the same functionality as the |
111 | * kdebug_trace_string syscall as a KPI. str_id is an in/out |
112 | * parameter that, if it's pointing to a string ID of 0, will |
113 | * receive a generated ID. If it provides a value in str_id, |
114 | * then that will be used, instead. |
115 | * |
116 | * Returns an errno indicating the type of failure. |
117 | */ |
118 | int kernel_debug_string(uint32_t debugid, uint64_t *str_id, const char *str); |
119 | |
120 | /* |
121 | * kernel_debug_disable disables event logging, but leaves any buffers |
122 | * intact. |
123 | */ |
124 | void kernel_debug_disable(void); |
125 | |
126 | #endif /* KERNEL_PRIVATE */ |
127 | |
128 | /* |
129 | * Returns true if kdebug is using continuous time for its events, and false |
130 | * otherwise. |
131 | */ |
132 | bool kdebug_using_continuous_time(void); |
133 | |
134 | /* |
135 | * Convert an absolute time to a kdebug timestamp. |
136 | */ |
137 | extern uint64_t kdebug_timestamp_from_absolute(uint64_t abstime); |
138 | |
139 | /* |
140 | * Convert a continuous time to a kdebug timestamp. |
141 | */ |
142 | extern uint64_t kdebug_timestamp_from_continuous(uint64_t conttime); |
143 | |
144 | /* |
145 | * Capture a kdebug timestamp for the current time. |
146 | */ |
147 | extern uint64_t kdebug_timestamp(void); |
148 | |
149 | /* |
150 | * Returns true if kdebug will log an event with the provided debugid, and |
151 | * false otherwise. |
152 | */ |
153 | bool kdebug_debugid_enabled(uint32_t debugid); |
154 | |
155 | /* |
156 | * Returns true only if the debugid is explicitly enabled by filters. Returns |
157 | * false otherwise, including when no filters are active. |
158 | */ |
159 | bool kdebug_debugid_explicitly_enabled(uint32_t debugid); |
160 | |
161 | uint32_t kdebug_commpage_state(void); |
162 | |
163 | #pragma mark - Coprocessor/IOP tracing |
164 | |
165 | typedef enum { |
166 | /* Trace is now enabled. */ |
167 | KD_CALLBACK_KDEBUG_ENABLED, |
168 | /* |
169 | * Trace is being disabled, but events are still accepted for the duration |
170 | * of the callback. |
171 | */ |
172 | KD_CALLBACK_KDEBUG_DISABLED, |
173 | /* |
174 | * Request the latest events from the IOP and block until complete. Any |
175 | * events that occur prior to this callback being called may be dropped by |
176 | * the trace system. |
177 | */ |
178 | KD_CALLBACK_SYNC_FLUSH, |
179 | /* |
180 | * The typefilter is being used. |
181 | * |
182 | * A read-only pointer to the typefilter is provided as the argument, valid |
183 | * only in the callback. |
184 | */ |
185 | KD_CALLBACK_TYPEFILTER_CHANGED, |
186 | /* |
187 | * The coprocessor should emit data that snapshots the current state of the |
188 | * system. |
189 | */ |
190 | KD_CALLBACK_SNAPSHOT_STATE, |
191 | } kd_callback_type; |
192 | |
193 | __options_decl(kdebug_coproc_flags_t, uint32_t, { |
194 | /* |
195 | * Event timestamps from this coprocessor are in the continuous timebase. |
196 | */ |
197 | KDCP_CONTINUOUS_TIME = 0x001, |
198 | }); |
199 | |
200 | typedef void (*kd_callback_fn)(void *context, kd_callback_type reason, |
201 | void *arg); |
202 | |
203 | /* |
204 | * Register a coprocessor for participation in tracing. |
205 | * |
206 | * The `callback` function will be called with the provided `context` when |
207 | * necessary, according to the `kd_callback_type`s. |
208 | * |
209 | * The positive core ID is returned on success, or -1 on failure. |
210 | */ |
211 | int kdebug_register_coproc(const char *name, kdebug_coproc_flags_t flags, |
212 | kd_callback_fn callback, void *context); |
213 | |
214 | void kernel_debug_enter(uint32_t coreid, uint32_t debugid, uint64_t timestamp, |
215 | uintptr_t arg1, uintptr_t arg2, uintptr_t arg3, uintptr_t arg4, |
216 | uintptr_t threadid); |
217 | |
218 | /* |
219 | * Legacy definitions for the prior IOP tracing. |
220 | */ |
221 | |
222 | struct kd_callback { |
223 | kd_callback_fn func; |
224 | void *context; |
225 | /* name of IOP, NUL-terminated */ |
226 | char iop_name[8]; |
227 | }; |
228 | typedef struct kd_callback kd_callback_t; |
229 | |
230 | __kpi_deprecated("use kdebug_register_coproc instead" ) |
231 | int kernel_debug_register_callback(kd_callback_t callback); |
232 | |
233 | #pragma mark - internals |
234 | |
235 | #define KDBG_(f, x, a, b, c, d, n, ...) KDBG##n(f, x, a, b, c, d) |
236 | #define KDBG0(f, x, a, b, c, d) KERNEL_DEBUG_CONSTANT##f(x, 0, 0, 0, 0, 0) |
237 | #define KDBG1(f, x, a, b, c, d) KERNEL_DEBUG_CONSTANT##f(x, a, 0, 0, 0, 0) |
238 | #define KDBG2(f, x, a, b, c, d) KERNEL_DEBUG_CONSTANT##f(x, a, b, 0, 0, 0) |
239 | #define KDBG3(f, x, a, b, c, d) KERNEL_DEBUG_CONSTANT##f(x, a, b, c, 0, 0) |
240 | #define KDBG4(f, x, a, b, c, d) KERNEL_DEBUG_CONSTANT##f(x, a, b, c, d, 0) |
241 | |
242 | #ifdef XNU_KERNEL_PRIVATE |
243 | #define KDBG_IMPROBABLE __improbable |
244 | #else |
245 | #define KDBG_IMPROBABLE |
246 | #endif |
247 | |
248 | extern unsigned int kdebug_enable; |
249 | |
250 | /* |
251 | * The kernel debug configuration level. These values control which events are |
252 | * compiled in under different build configurations. |
253 | * |
254 | * Infer the supported kernel debug event level from config option. Use |
255 | * (KDEBUG_LEVEL >= KDEBUG_LEVEL_STANDARD) as a guard to protect unaudited debug |
256 | * code. |
257 | */ |
258 | #define KDEBUG_LEVEL_NONE 0 |
259 | #define KDEBUG_LEVEL_IST 1 |
260 | #define KDEBUG_LEVEL_STANDARD 2 |
261 | #define KDEBUG_LEVEL_FULL 3 |
262 | |
263 | #if NO_KDEBUG |
264 | #define KDEBUG_LEVEL KDEBUG_LEVEL_NONE |
265 | #elif IST_KDEBUG |
266 | #define KDEBUG_LEVEL KDEBUG_LEVEL_IST |
267 | #elif KDEBUG |
268 | #define KDEBUG_LEVEL KDEBUG_LEVEL_FULL |
269 | #else |
270 | #define KDEBUG_LEVEL KDEBUG_LEVEL_STANDARD |
271 | /* |
272 | * Currently, all other kernel configurations (development, etc) build with |
273 | * KDEBUG_LEVEL_STANDARD. |
274 | */ |
275 | #endif |
276 | |
277 | /* |
278 | * KERNEL_DEBUG_CONSTANT_FILTERED events are omitted from tracing unless they |
279 | * are explicitly requested in the typefilter. They are not emitted when |
280 | * tracing without a typefilter. |
281 | */ |
282 | #if (KDEBUG_LEVEL >= KDEBUG_LEVEL_STANDARD) |
283 | #define KERNEL_DEBUG_CONSTANT_FILTERED(x, a, b, c, d, ...) \ |
284 | do { \ |
285 | if (KDBG_IMPROBABLE(kdebug_enable & ~KDEBUG_ENABLE_PPT)) { \ |
286 | kernel_debug_filtered((x), (uintptr_t)(a), (uintptr_t)(b), \ |
287 | (uintptr_t)(c), (uintptr_t)(d)); \ |
288 | } \ |
289 | } while (0) |
290 | #else /* (KDEBUG_LEVEL >= KDEBUG_LEVEL_STANDARD) */ |
291 | #define KERNEL_DEBUG_CONSTANT_FILTERED(type, x, a, b, c, d, ...) do {} while (0) |
292 | #endif /* (KDEBUG_LEVEL >= KDEBUG_LEVEL_STANDARD) */ |
293 | |
294 | #if (KDEBUG_LEVEL >= KDEBUG_LEVEL_IST) |
295 | #define KERNEL_DEBUG_CONSTANT_RELEASE_NOPROCFILT(x, a, b, c, d, ...) \ |
296 | do { \ |
297 | if (KDBG_IMPROBABLE(kdebug_enable & ~KDEBUG_ENABLE_PPT)) { \ |
298 | kernel_debug_flags((x), (uintptr_t)(a), (uintptr_t)(b), \ |
299 | (uintptr_t)(c), (uintptr_t)(d), KDBG_FLAG_NOPROCFILT); \ |
300 | } \ |
301 | } while (0) |
302 | #else /* (KDEBUG_LEVEL >= KDEBUG_LEVEL_IST) */ |
303 | #define KERNEL_DEBUG_CONSTANT_RELEASE_NOPROCFILT(x, a, b, c, d, ...) \ |
304 | do { } while (0) |
305 | #endif /* (KDEBUG_LEVEL >= KDEBUG_LEVEL_IST) */ |
306 | |
307 | |
308 | #if (KDEBUG_LEVEL >= KDEBUG_LEVEL_STANDARD) |
309 | #define KERNEL_DEBUG_CONSTANT(x, a, b, c, d, e) \ |
310 | do { \ |
311 | if (KDBG_IMPROBABLE(kdebug_enable & ~KDEBUG_ENABLE_PPT)) { \ |
312 | kernel_debug((x), (uintptr_t)(a), (uintptr_t)(b), (uintptr_t)(c), \ |
313 | (uintptr_t)(d),(uintptr_t)(e)); \ |
314 | } \ |
315 | } while (0) |
316 | |
317 | /* |
318 | * DO NOT USE THIS MACRO -- it breaks fundamental assumptions about ktrace and |
319 | * is only meant to be used by the pthread kext and other points in the kernel |
320 | * where the thread ID must be provided explicitly. |
321 | */ |
322 | #define KERNEL_DEBUG_CONSTANT1(x, a, b, c, d, e) \ |
323 | do { \ |
324 | if (KDBG_IMPROBABLE(kdebug_enable & ~KDEBUG_ENABLE_PPT)) { \ |
325 | kernel_debug1((x), (uintptr_t)(a), (uintptr_t)(b), (uintptr_t)(c), \ |
326 | (uintptr_t)(d), (uintptr_t)(e)); \ |
327 | } \ |
328 | } while (0) |
329 | |
330 | #else /* (KDEBUG_LEVEL >= KDEBUG_LEVEL_STANDARD) */ |
331 | #define KERNEL_DEBUG_CONSTANT(x, a, b, c, d, e) do {} while (0) |
332 | #define KERNEL_DEBUG_CONSTANT1(x, a, b, c, d, e) do {} while (0) |
333 | #endif /* (KDEBUG_LEVEL >= KDEBUG_LEVEL_STANDARD) */ |
334 | |
335 | /* |
336 | * KERNEL_DEBUG_CONSTANT_IST (in-system trace) events provide an audited subset |
337 | * of tracepoints for userland system tracing tools. This tracing level was |
338 | * created by 8857227 to protect fairplayd and other PT_DENY_ATTACH processes. |
339 | * It has two effects: only KERNEL_DEBUG_CONSTANT_IST() traces are emitted and |
340 | * any PT_DENY_ATTACH processes will only emit basic traces as defined by the |
341 | * kernel_debug_filter() routine. |
342 | */ |
343 | #define KERNEL_DEBUG_CONSTANT_RELEASE(x, a, b, c, d, e) \ |
344 | KERNEL_DEBUG_CONSTANT_IST(~KDEBUG_ENABLE_PPT, x, a, b, c, d, 0) |
345 | |
346 | #if (KDEBUG_LEVEL >= KDEBUG_LEVEL_IST) |
347 | #define KERNEL_DEBUG_CONSTANT_IST(type, x, a, b, c, d, e) \ |
348 | do { \ |
349 | if (KDBG_IMPROBABLE(kdebug_enable & (type))) { \ |
350 | kernel_debug((x), (uintptr_t)(a), (uintptr_t)(b), (uintptr_t)(c), \ |
351 | (uintptr_t)(d), 0); \ |
352 | } \ |
353 | } while (0) |
354 | |
355 | #define KERNEL_DEBUG_CONSTANT_IST1(x, a, b, c, d, e) \ |
356 | do { \ |
357 | if (KDBG_IMPROBABLE(kdebug_enable)) { \ |
358 | kernel_debug1((x), (uintptr_t)(a), (uintptr_t)(b), (uintptr_t)(c), \ |
359 | (uintptr_t)(d), (uintptr_t)(e)); \ |
360 | } \ |
361 | } while (0) |
362 | |
363 | #define KERNEL_DEBUG_EARLY(x, a, b, c, d) \ |
364 | do { \ |
365 | kernel_debug_early((uint32_t)(x), (uintptr_t)(a), (uintptr_t)(b), \ |
366 | (uintptr_t)(c), (uintptr_t)(d)); \ |
367 | } while (0) |
368 | |
369 | #else /* (KDEBUG_LEVEL >= KDEBUG_LEVEL_IST) */ |
370 | #define KERNEL_DEBUG_CONSTANT_IST(type, x, a, b, c, d, e) do {} while (0) |
371 | #define KERNEL_DEBUG_CONSTANT_IST1(x, a, b, c, d, e) do {} while (0) |
372 | #define KERNEL_DEBUG_EARLY(x, a, b, c, d) do {} while (0) |
373 | #endif /* (KDEBUG_LEVEL >= KDEBUG_LEVEL_IST) */ |
374 | |
375 | #if NO_KDEBUG |
376 | #define __kdebug_constant_only __unused |
377 | #endif |
378 | |
379 | /* |
380 | * KERNEL_DEBUG events are only traced for DEBUG kernels. |
381 | */ |
382 | #define KERNEL_DEBUG_CONSTANT_DEBUG(x, a, b, c, d, e) \ |
383 | KERNEL_DEBUG(x, a, b, c, d, e) |
384 | |
385 | #if (KDEBUG_LEVEL >= KDEBUG_LEVEL_FULL) |
386 | #define __kdebug_only |
387 | |
388 | #undef KERNEL_DEBUG |
389 | #define KERNEL_DEBUG(x, a, b, c, d, e) \ |
390 | do { \ |
391 | if (KDBG_IMPROBABLE(kdebug_enable & ~KDEBUG_ENABLE_PPT)) { \ |
392 | kernel_debug((uint32_t)(x), (uintptr_t)(a), (uintptr_t)(b), \ |
393 | (uintptr_t)(c), (uintptr_t)(d), (uintptr_t)(e)); \ |
394 | } \ |
395 | } while (0) |
396 | |
397 | /* |
398 | * DO NOT USE THIS MACRO -- see warning above for KERNEL_DEBUG_CONSTANT1. |
399 | */ |
400 | #define KERNEL_DEBUG1(x, a, b, c, d, e) \ |
401 | do { \ |
402 | if (KDBG_IMPROBABLE(kdebug_enable & ~KDEBUG_ENABLE_PPT)) { \ |
403 | kernel_debug1((uint32_t)(x), (uintptr_t)(a), (uintptr_t)(b), \ |
404 | (uintptr_t)(c), (uintptr_t)(d), (uintptr_t)(e)); \ |
405 | } \ |
406 | } while (0) |
407 | |
408 | #else /* (KDEBUG_LEVEL >= KDEBUG_LEVEL_FULL) */ |
409 | #define __kdebug_only __unused |
410 | |
411 | #undef KERNEL_DEBUG |
412 | #define KERNEL_DEBUG(x, a, b, c, d, e) do {} while (0) |
413 | #define KERNEL_DEBUG1(x, a, b, c, d, e) do {} while (0) |
414 | #endif /* (KDEBUG_LEVEL >= KDEBUG_LEVEL_FULL) */ |
415 | |
416 | void kernel_debug(uint32_t debugid, uintptr_t arg1, uintptr_t arg2, |
417 | uintptr_t arg3, uintptr_t arg4, uintptr_t arg5); |
418 | |
419 | void kernel_debug1(uint32_t debugid, uintptr_t arg1, uintptr_t arg2, |
420 | uintptr_t arg3, uintptr_t arg4, uintptr_t arg5); |
421 | |
422 | #define KDBG_FLAG_FILTERED 0x01 |
423 | #define KDBG_FLAG_NOPROCFILT 0x02 |
424 | |
425 | void kernel_debug_flags(uint32_t debugid, uintptr_t arg1, uintptr_t arg2, |
426 | uintptr_t arg3, uintptr_t arg4, uint64_t flags); |
427 | |
428 | void kernel_debug_filtered(uint32_t debugid, uintptr_t arg1, uintptr_t arg2, |
429 | uintptr_t arg3, uintptr_t arg4); |
430 | |
431 | #pragma mark - xnu API |
432 | |
433 | #ifdef XNU_KERNEL_PRIVATE |
434 | |
435 | void kdebug_startup(void); |
436 | |
437 | /* Used in early boot to log events. */ |
438 | void kernel_debug_early(uint32_t debugid, uintptr_t arg1, uintptr_t arg2, |
439 | uintptr_t arg3, uintptr_t arg4); |
440 | /* Used in early boot to log strings spanning only a single tracepoint. */ |
441 | void kernel_debug_string_early(const char *message); |
442 | /* Used to trace strings within kdebug tracepoints on arbitrary eventids. */ |
443 | void kernel_debug_string_simple(uint32_t eventid, const char *str); |
444 | /* Only used by ktrace to reset kdebug. ktrace_lock must be held. */ |
445 | extern void kdebug_reset(void); |
446 | |
447 | void kdbg_dump_trace_to_file(const char *, bool reenable); |
448 | |
449 | enum kdebug_opts { |
450 | KDOPT_WRAPPING = 0x1, |
451 | KDOPT_ATBOOT = 0x2, |
452 | }; |
453 | |
454 | enum kdebug_mode { |
455 | KDEBUG_MODE_TRACE = 0x1, /* General purpose tracing.*/ |
456 | KDEBUG_MODE_TRIAGE = 0x2, /* Collect more information to triage failures / gain insight into in-kernel operations of a thread.*/ |
457 | }; |
458 | |
459 | |
460 | int kdbg_bootstrap(bool early_trace, int mode); |
461 | void kdebug_init(unsigned int n_events, char *filterdesc, |
462 | enum kdebug_opts opts); |
463 | void kdebug_trace_start(unsigned int n_events, const char *filterdesc, |
464 | enum kdebug_opts opts); |
465 | uint64_t kdebug_wake(void); |
466 | void kdebug_free_early_buf(void); |
467 | |
468 | |
469 | struct proc; |
470 | void kdbg_trace_data(struct proc *proc, long *arg_pid, long *arg_uniqueid); |
471 | |
472 | #define KDBG_VFS_LOOKUP_FLAG_LOOKUP 0x01 |
473 | #define KDBG_VFS_LOOKUP_FLAG_NOPROCFILT 0x02 |
474 | void kdebug_vfs_lookup(unsigned long *path_words, int path_len, void *vnp, |
475 | uint32_t flags); |
476 | |
477 | void (uint64_t thread_id, void *buf, uint32_t bufsz); |
478 | |
479 | #endif /* XNU_KERNEL_PRIVATE */ |
480 | |
481 | #ifdef KERNEL_PRIVATE |
482 | |
483 | typedef struct ktriage_strings { |
484 | int num_strings; |
485 | const char **strings; |
486 | } ktriage_strings_t; |
487 | |
488 | int ktriage_register_subsystem_strings(uint8_t subsystem, ktriage_strings_t *subsystem_strings); |
489 | int ktriage_unregister_subsystem_strings(uint8_t subsystem); |
490 | |
491 | void ktriage_record(uint64_t thread_id, uint64_t debugid, uintptr_t arg); |
492 | |
493 | #define NUMPARMS 23 |
494 | void kdebug_lookup_gen_events(long *path_words, int path_len, void *vnp, |
495 | bool lookup); |
496 | |
497 | #pragma mark - EnergyTracing |
498 | |
499 | #define KERNEL_DBG_IST_SANE KDBG_RELEASE |
500 | #define ENTR_KDTRACEFUNC KDBG_RELEASE |
501 | |
502 | // value is int64_t, quality is uint32_t |
503 | #define KERNEL_ENERGYTRACE(opcode, lifespan, id, quality, value) \ |
504 | ENTR_KDTRACE(kEnTrCompKernel, opcode, lifespan, id, \ |
505 | quality, value) |
506 | #define KERNEL_ENTR_ASSOCIATE(par_opcode, par_act_id, sub_opcode, sub_act_id) \ |
507 | ENTR_KDASSOCIATE(kEnTrCompKernel, par_opcode, par_act_id, \ |
508 | kEnTrCompKernel, sub_opcode, sub_act_id) |
509 | |
510 | #endif /* KERNEL_PRIVATE */ |
511 | |
512 | #endif /* KERNEL */ |
513 | |
514 | __END_DECLS |
515 | |
516 | #endif /* !defined(BSD_SYS_KDEBUG_KERNEL_H) */ |
517 | |