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ee4512ed JH |
1 | #include "cache.h" |
2 | #include "config.h" | |
3 | #include "json-writer.h" | |
4 | #include "quote.h" | |
5 | #include "run-command.h" | |
6 | #include "sigchain.h" | |
7 | #include "thread-utils.h" | |
8 | #include "version.h" | |
9 | #include "trace2/tr2_cfg.h" | |
10 | #include "trace2/tr2_cmd_name.h" | |
11 | #include "trace2/tr2_dst.h" | |
12 | #include "trace2/tr2_sid.h" | |
13 | #include "trace2/tr2_tgt.h" | |
14 | #include "trace2/tr2_tls.h" | |
15 | ||
16 | static int trace2_enabled; | |
17 | ||
18 | static int tr2_next_child_id; /* modify under lock */ | |
19 | static int tr2_next_exec_id; /* modify under lock */ | |
20 | static int tr2_next_repo_id = 1; /* modify under lock. zero is reserved */ | |
21 | ||
22 | /* | |
23 | * A table of the builtin TRACE2 targets. Each of these may be independently | |
24 | * enabled or disabled. Each TRACE2 API method will try to write an event to | |
25 | * *each* of the enabled targets. | |
26 | */ | |
27 | /* clang-format off */ | |
28 | static struct tr2_tgt *tr2_tgt_builtins[] = | |
29 | { | |
30 | &tr2_tgt_normal, | |
31 | &tr2_tgt_perf, | |
32 | &tr2_tgt_event, | |
33 | NULL | |
34 | }; | |
35 | /* clang-format on */ | |
36 | ||
37 | /* clang-format off */ | |
38 | #define for_each_builtin(j, tgt_j) \ | |
39 | for (j = 0, tgt_j = tr2_tgt_builtins[j]; \ | |
40 | tgt_j; \ | |
41 | j++, tgt_j = tr2_tgt_builtins[j]) | |
42 | /* clang-format on */ | |
43 | ||
44 | /* clang-format off */ | |
45 | #define for_each_wanted_builtin(j, tgt_j) \ | |
46 | for_each_builtin(j, tgt_j) \ | |
47 | if (tr2_dst_trace_want(tgt_j->pdst)) | |
48 | /* clang-format on */ | |
49 | ||
50 | /* | |
51 | * Force (rather than lazily) initialize any of the requested | |
52 | * builtin TRACE2 targets at startup (and before we've seen an | |
53 | * actual TRACE2 event call) so we can see if we need to setup | |
54 | * the TR2 and TLS machinery. | |
55 | * | |
56 | * Return the number of builtin targets enabled. | |
57 | */ | |
58 | static int tr2_tgt_want_builtins(void) | |
59 | { | |
60 | struct tr2_tgt *tgt_j; | |
61 | int j; | |
62 | int sum = 0; | |
63 | ||
64 | for_each_builtin (j, tgt_j) | |
65 | if (tgt_j->pfn_init()) | |
66 | sum++; | |
67 | ||
68 | return sum; | |
69 | } | |
70 | ||
71 | /* | |
72 | * Properly terminate each builtin target. Give each target | |
73 | * a chance to write a summary event and/or flush if necessary | |
74 | * and then close the fd. | |
75 | */ | |
76 | static void tr2_tgt_disable_builtins(void) | |
77 | { | |
78 | struct tr2_tgt *tgt_j; | |
79 | int j; | |
80 | ||
81 | for_each_builtin (j, tgt_j) | |
82 | tgt_j->pfn_term(); | |
83 | } | |
84 | ||
85 | static int tr2main_exit_code; | |
86 | ||
87 | /* | |
88 | * Our atexit routine should run after everything has finished. | |
89 | * | |
90 | * Note that events generated here might not actually appear if | |
91 | * we are writing to fd 1 or 2 and our atexit routine runs after | |
92 | * the pager's atexit routine (since it closes them to shutdown | |
93 | * the pipes). | |
94 | */ | |
95 | static void tr2main_atexit_handler(void) | |
96 | { | |
97 | struct tr2_tgt *tgt_j; | |
98 | int j; | |
99 | uint64_t us_now; | |
100 | uint64_t us_elapsed_absolute; | |
101 | ||
102 | us_now = getnanotime() / 1000; | |
103 | us_elapsed_absolute = tr2tls_absolute_elapsed(us_now); | |
104 | ||
105 | /* | |
106 | * Clear any unbalanced regions so that our atexit message | |
107 | * does not appear nested. This improves the appearance of | |
108 | * the trace output if someone calls die(), for example. | |
109 | */ | |
110 | tr2tls_pop_unwind_self(); | |
111 | ||
112 | for_each_wanted_builtin (j, tgt_j) | |
113 | if (tgt_j->pfn_atexit) | |
114 | tgt_j->pfn_atexit(us_elapsed_absolute, | |
115 | tr2main_exit_code); | |
116 | ||
117 | tr2_tgt_disable_builtins(); | |
118 | ||
119 | tr2tls_release(); | |
120 | tr2_sid_release(); | |
121 | tr2_cmd_name_release(); | |
122 | tr2_cfg_free_patterns(); | |
123 | ||
124 | trace2_enabled = 0; | |
125 | } | |
126 | ||
127 | static void tr2main_signal_handler(int signo) | |
128 | { | |
129 | struct tr2_tgt *tgt_j; | |
130 | int j; | |
131 | uint64_t us_now; | |
132 | uint64_t us_elapsed_absolute; | |
133 | ||
134 | us_now = getnanotime() / 1000; | |
135 | us_elapsed_absolute = tr2tls_absolute_elapsed(us_now); | |
136 | ||
137 | for_each_wanted_builtin (j, tgt_j) | |
138 | if (tgt_j->pfn_signal) | |
139 | tgt_j->pfn_signal(us_elapsed_absolute, signo); | |
140 | ||
141 | sigchain_pop(signo); | |
142 | raise(signo); | |
143 | } | |
144 | ||
145 | void trace2_initialize_fl(const char *file, int line) | |
146 | { | |
147 | struct tr2_tgt *tgt_j; | |
148 | int j; | |
149 | ||
150 | if (trace2_enabled) | |
151 | return; | |
152 | ||
153 | if (!tr2_tgt_want_builtins()) | |
154 | return; | |
155 | trace2_enabled = 1; | |
156 | ||
157 | tr2_sid_get(); | |
158 | ||
159 | atexit(tr2main_atexit_handler); | |
160 | sigchain_push(SIGPIPE, tr2main_signal_handler); | |
161 | tr2tls_init(); | |
162 | ||
163 | /* | |
164 | * Emit 'version' message on each active builtin target. | |
165 | */ | |
166 | for_each_wanted_builtin (j, tgt_j) | |
167 | if (tgt_j->pfn_version_fl) | |
168 | tgt_j->pfn_version_fl(file, line); | |
169 | } | |
170 | ||
171 | int trace2_is_enabled(void) | |
172 | { | |
173 | return trace2_enabled; | |
174 | } | |
175 | ||
176 | void trace2_cmd_start_fl(const char *file, int line, const char **argv) | |
177 | { | |
178 | struct tr2_tgt *tgt_j; | |
179 | int j; | |
180 | ||
181 | if (!trace2_enabled) | |
182 | return; | |
183 | ||
184 | for_each_wanted_builtin (j, tgt_j) | |
185 | if (tgt_j->pfn_start_fl) | |
186 | tgt_j->pfn_start_fl(file, line, argv); | |
187 | } | |
188 | ||
189 | int trace2_cmd_exit_fl(const char *file, int line, int code) | |
190 | { | |
191 | struct tr2_tgt *tgt_j; | |
192 | int j; | |
193 | uint64_t us_now; | |
194 | uint64_t us_elapsed_absolute; | |
195 | ||
196 | code &= 0xff; | |
197 | ||
198 | if (!trace2_enabled) | |
199 | return code; | |
200 | ||
201 | tr2main_exit_code = code; | |
202 | ||
203 | us_now = getnanotime() / 1000; | |
204 | us_elapsed_absolute = tr2tls_absolute_elapsed(us_now); | |
205 | ||
206 | for_each_wanted_builtin (j, tgt_j) | |
207 | if (tgt_j->pfn_exit_fl) | |
208 | tgt_j->pfn_exit_fl(file, line, us_elapsed_absolute, | |
209 | code); | |
210 | ||
211 | return code; | |
212 | } | |
213 | ||
214 | void trace2_cmd_error_va_fl(const char *file, int line, const char *fmt, | |
215 | va_list ap) | |
216 | { | |
217 | struct tr2_tgt *tgt_j; | |
218 | int j; | |
219 | ||
220 | if (!trace2_enabled) | |
221 | return; | |
222 | ||
223 | /* | |
224 | * We expect each target function to treat 'ap' as constant | |
225 | * and use va_copy (because an 'ap' can only be walked once). | |
226 | */ | |
227 | for_each_wanted_builtin (j, tgt_j) | |
228 | if (tgt_j->pfn_error_va_fl) | |
229 | tgt_j->pfn_error_va_fl(file, line, fmt, ap); | |
230 | } | |
231 | ||
232 | void trace2_cmd_path_fl(const char *file, int line, const char *pathname) | |
233 | { | |
234 | struct tr2_tgt *tgt_j; | |
235 | int j; | |
236 | ||
237 | if (!trace2_enabled) | |
238 | return; | |
239 | ||
240 | for_each_wanted_builtin (j, tgt_j) | |
241 | if (tgt_j->pfn_command_path_fl) | |
242 | tgt_j->pfn_command_path_fl(file, line, pathname); | |
243 | } | |
244 | ||
245 | void trace2_cmd_name_fl(const char *file, int line, const char *name) | |
246 | { | |
247 | struct tr2_tgt *tgt_j; | |
248 | const char *hierarchy; | |
249 | int j; | |
250 | ||
251 | if (!trace2_enabled) | |
252 | return; | |
253 | ||
254 | tr2_cmd_name_append_hierarchy(name); | |
255 | hierarchy = tr2_cmd_name_get_hierarchy(); | |
256 | ||
257 | for_each_wanted_builtin (j, tgt_j) | |
258 | if (tgt_j->pfn_command_name_fl) | |
259 | tgt_j->pfn_command_name_fl(file, line, name, hierarchy); | |
260 | } | |
261 | ||
262 | void trace2_cmd_mode_fl(const char *file, int line, const char *mode) | |
263 | { | |
264 | struct tr2_tgt *tgt_j; | |
265 | int j; | |
266 | ||
267 | if (!trace2_enabled) | |
268 | return; | |
269 | ||
270 | for_each_wanted_builtin (j, tgt_j) | |
271 | if (tgt_j->pfn_command_mode_fl) | |
272 | tgt_j->pfn_command_mode_fl(file, line, mode); | |
273 | } | |
274 | ||
275 | void trace2_cmd_alias_fl(const char *file, int line, const char *alias, | |
276 | const char **argv) | |
277 | { | |
278 | struct tr2_tgt *tgt_j; | |
279 | int j; | |
280 | ||
281 | if (!trace2_enabled) | |
282 | return; | |
283 | ||
284 | for_each_wanted_builtin (j, tgt_j) | |
285 | if (tgt_j->pfn_alias_fl) | |
286 | tgt_j->pfn_alias_fl(file, line, alias, argv); | |
287 | } | |
288 | ||
289 | void trace2_cmd_list_config_fl(const char *file, int line) | |
290 | { | |
291 | if (!trace2_enabled) | |
292 | return; | |
293 | ||
294 | tr2_cfg_list_config_fl(file, line); | |
295 | } | |
296 | ||
297 | void trace2_cmd_set_config_fl(const char *file, int line, const char *key, | |
298 | const char *value) | |
299 | { | |
300 | if (!trace2_enabled) | |
301 | return; | |
302 | ||
303 | tr2_cfg_set_fl(file, line, key, value); | |
304 | } | |
305 | ||
306 | void trace2_child_start_fl(const char *file, int line, | |
307 | struct child_process *cmd) | |
308 | { | |
309 | struct tr2_tgt *tgt_j; | |
310 | int j; | |
311 | uint64_t us_now; | |
312 | uint64_t us_elapsed_absolute; | |
313 | ||
314 | if (!trace2_enabled) | |
315 | return; | |
316 | ||
317 | us_now = getnanotime() / 1000; | |
318 | us_elapsed_absolute = tr2tls_absolute_elapsed(us_now); | |
319 | ||
320 | cmd->trace2_child_id = tr2tls_locked_increment(&tr2_next_child_id); | |
321 | cmd->trace2_child_us_start = us_now; | |
322 | ||
323 | for_each_wanted_builtin (j, tgt_j) | |
324 | if (tgt_j->pfn_child_start_fl) | |
325 | tgt_j->pfn_child_start_fl(file, line, | |
326 | us_elapsed_absolute, cmd); | |
327 | } | |
328 | ||
329 | void trace2_child_exit_fl(const char *file, int line, struct child_process *cmd, | |
330 | int child_exit_code) | |
331 | { | |
332 | struct tr2_tgt *tgt_j; | |
333 | int j; | |
334 | uint64_t us_now; | |
335 | uint64_t us_elapsed_absolute; | |
336 | uint64_t us_elapsed_child; | |
337 | ||
338 | if (!trace2_enabled) | |
339 | return; | |
340 | ||
341 | us_now = getnanotime() / 1000; | |
342 | us_elapsed_absolute = tr2tls_absolute_elapsed(us_now); | |
343 | ||
344 | if (cmd->trace2_child_us_start) | |
345 | us_elapsed_child = us_now - cmd->trace2_child_us_start; | |
346 | else | |
347 | us_elapsed_child = 0; | |
348 | ||
349 | for_each_wanted_builtin (j, tgt_j) | |
350 | if (tgt_j->pfn_child_exit_fl) | |
351 | tgt_j->pfn_child_exit_fl(file, line, | |
352 | us_elapsed_absolute, | |
353 | cmd->trace2_child_id, cmd->pid, | |
354 | child_exit_code, | |
355 | us_elapsed_child); | |
356 | } | |
357 | ||
358 | int trace2_exec_fl(const char *file, int line, const char *exe, | |
359 | const char **argv) | |
360 | { | |
361 | struct tr2_tgt *tgt_j; | |
362 | int j; | |
363 | int exec_id; | |
364 | uint64_t us_now; | |
365 | uint64_t us_elapsed_absolute; | |
366 | ||
367 | if (!trace2_enabled) | |
368 | return -1; | |
369 | ||
370 | us_now = getnanotime() / 1000; | |
371 | us_elapsed_absolute = tr2tls_absolute_elapsed(us_now); | |
372 | ||
373 | exec_id = tr2tls_locked_increment(&tr2_next_exec_id); | |
374 | ||
375 | for_each_wanted_builtin (j, tgt_j) | |
376 | if (tgt_j->pfn_exec_fl) | |
377 | tgt_j->pfn_exec_fl(file, line, us_elapsed_absolute, | |
378 | exec_id, exe, argv); | |
379 | ||
380 | return exec_id; | |
381 | } | |
382 | ||
383 | void trace2_exec_result_fl(const char *file, int line, int exec_id, int code) | |
384 | { | |
385 | struct tr2_tgt *tgt_j; | |
386 | int j; | |
387 | uint64_t us_now; | |
388 | uint64_t us_elapsed_absolute; | |
389 | ||
390 | if (!trace2_enabled) | |
391 | return; | |
392 | ||
393 | us_now = getnanotime() / 1000; | |
394 | us_elapsed_absolute = tr2tls_absolute_elapsed(us_now); | |
395 | ||
396 | for_each_wanted_builtin (j, tgt_j) | |
397 | if (tgt_j->pfn_exec_result_fl) | |
398 | tgt_j->pfn_exec_result_fl( | |
399 | file, line, us_elapsed_absolute, exec_id, code); | |
400 | } | |
401 | ||
402 | void trace2_thread_start_fl(const char *file, int line, const char *thread_name) | |
403 | { | |
404 | struct tr2_tgt *tgt_j; | |
405 | int j; | |
406 | uint64_t us_now; | |
407 | uint64_t us_elapsed_absolute; | |
408 | ||
409 | if (!trace2_enabled) | |
410 | return; | |
411 | ||
412 | if (tr2tls_is_main_thread()) { | |
413 | /* | |
414 | * We should only be called from the new thread's thread-proc, | |
415 | * so this is technically a bug. But in those cases where the | |
416 | * main thread also runs the thread-proc function (or when we | |
417 | * are built with threading disabled), we need to allow it. | |
418 | * | |
419 | * Convert this call to a region-enter so the nesting looks | |
420 | * correct. | |
421 | */ | |
422 | trace2_region_enter_printf_fl(file, line, NULL, NULL, NULL, | |
423 | "thread-proc on main: %s", | |
424 | thread_name); | |
425 | return; | |
426 | } | |
427 | ||
428 | us_now = getnanotime() / 1000; | |
429 | us_elapsed_absolute = tr2tls_absolute_elapsed(us_now); | |
430 | ||
431 | tr2tls_create_self(thread_name); | |
432 | ||
433 | for_each_wanted_builtin (j, tgt_j) | |
434 | if (tgt_j->pfn_thread_start_fl) | |
435 | tgt_j->pfn_thread_start_fl(file, line, | |
436 | us_elapsed_absolute); | |
437 | } | |
438 | ||
439 | void trace2_thread_exit_fl(const char *file, int line) | |
440 | { | |
441 | struct tr2_tgt *tgt_j; | |
442 | int j; | |
443 | uint64_t us_now; | |
444 | uint64_t us_elapsed_absolute; | |
445 | uint64_t us_elapsed_thread; | |
446 | ||
447 | if (!trace2_enabled) | |
448 | return; | |
449 | ||
450 | if (tr2tls_is_main_thread()) { | |
451 | /* | |
452 | * We should only be called from the exiting thread's | |
453 | * thread-proc, so this is technically a bug. But in | |
454 | * those cases where the main thread also runs the | |
455 | * thread-proc function (or when we are built with | |
456 | * threading disabled), we need to allow it. | |
457 | * | |
458 | * Convert this call to a region-leave so the nesting | |
459 | * looks correct. | |
460 | */ | |
461 | trace2_region_leave_printf_fl(file, line, NULL, NULL, NULL, | |
462 | "thread-proc on main"); | |
463 | return; | |
464 | } | |
465 | ||
466 | us_now = getnanotime() / 1000; | |
467 | us_elapsed_absolute = tr2tls_absolute_elapsed(us_now); | |
468 | ||
469 | /* | |
470 | * Clear any unbalanced regions and then get the relative time | |
471 | * for the outer-most region (which we pushed when the thread | |
472 | * started). This gives us the run time of the thread. | |
473 | */ | |
474 | tr2tls_pop_unwind_self(); | |
475 | us_elapsed_thread = tr2tls_region_elasped_self(us_now); | |
476 | ||
477 | for_each_wanted_builtin (j, tgt_j) | |
478 | if (tgt_j->pfn_thread_exit_fl) | |
479 | tgt_j->pfn_thread_exit_fl(file, line, | |
480 | us_elapsed_absolute, | |
481 | us_elapsed_thread); | |
482 | ||
483 | tr2tls_unset_self(); | |
484 | } | |
485 | ||
486 | void trace2_def_param_fl(const char *file, int line, const char *param, | |
487 | const char *value) | |
488 | { | |
489 | struct tr2_tgt *tgt_j; | |
490 | int j; | |
491 | ||
492 | if (!trace2_enabled) | |
493 | return; | |
494 | ||
495 | for_each_wanted_builtin (j, tgt_j) | |
496 | if (tgt_j->pfn_param_fl) | |
497 | tgt_j->pfn_param_fl(file, line, param, value); | |
498 | } | |
499 | ||
500 | void trace2_def_repo_fl(const char *file, int line, struct repository *repo) | |
501 | { | |
502 | struct tr2_tgt *tgt_j; | |
503 | int j; | |
504 | ||
505 | if (!trace2_enabled) | |
506 | return; | |
507 | ||
508 | if (repo->trace2_repo_id) | |
509 | return; | |
510 | ||
511 | repo->trace2_repo_id = tr2tls_locked_increment(&tr2_next_repo_id); | |
512 | ||
513 | for_each_wanted_builtin (j, tgt_j) | |
514 | if (tgt_j->pfn_repo_fl) | |
515 | tgt_j->pfn_repo_fl(file, line, repo); | |
516 | } | |
517 | ||
518 | void trace2_region_enter_printf_va_fl(const char *file, int line, | |
519 | const char *category, const char *label, | |
520 | const struct repository *repo, | |
521 | const char *fmt, va_list ap) | |
522 | { | |
523 | struct tr2_tgt *tgt_j; | |
524 | int j; | |
525 | uint64_t us_now; | |
526 | uint64_t us_elapsed_absolute; | |
527 | ||
528 | if (!trace2_enabled) | |
529 | return; | |
530 | ||
531 | us_now = getnanotime() / 1000; | |
532 | us_elapsed_absolute = tr2tls_absolute_elapsed(us_now); | |
533 | ||
534 | /* | |
535 | * Print the region-enter message at the current nesting | |
536 | * (indentation) level and then push a new level. | |
537 | * | |
538 | * We expect each target function to treat 'ap' as constant | |
539 | * and use va_copy. | |
540 | */ | |
541 | for_each_wanted_builtin (j, tgt_j) | |
542 | if (tgt_j->pfn_region_enter_printf_va_fl) | |
543 | tgt_j->pfn_region_enter_printf_va_fl( | |
544 | file, line, us_elapsed_absolute, category, | |
545 | label, repo, fmt, ap); | |
546 | ||
547 | tr2tls_push_self(us_now); | |
548 | } | |
549 | ||
550 | void trace2_region_enter_fl(const char *file, int line, const char *category, | |
551 | const char *label, const struct repository *repo) | |
552 | { | |
553 | trace2_region_enter_printf_va_fl(file, line, category, label, repo, | |
554 | NULL, NULL); | |
555 | } | |
556 | ||
557 | void trace2_region_enter_printf_fl(const char *file, int line, | |
558 | const char *category, const char *label, | |
559 | const struct repository *repo, | |
560 | const char *fmt, ...) | |
561 | { | |
562 | va_list ap; | |
563 | ||
564 | va_start(ap, fmt); | |
565 | trace2_region_enter_printf_va_fl(file, line, category, label, repo, fmt, | |
566 | ap); | |
567 | va_end(ap); | |
568 | } | |
569 | ||
570 | #ifndef HAVE_VARIADIC_MACROS | |
571 | void trace2_region_enter_printf(const char *category, const char *label, | |
572 | const struct repository *repo, const char *fmt, | |
573 | ...) | |
574 | { | |
575 | va_list ap; | |
576 | ||
577 | va_start(ap, fmt); | |
578 | trace2_region_enter_printf_va_fl(NULL, 0, category, label, repo, fmt, | |
579 | ap); | |
580 | va_end(ap); | |
581 | } | |
582 | #endif | |
583 | ||
584 | void trace2_region_leave_printf_va_fl(const char *file, int line, | |
585 | const char *category, const char *label, | |
586 | const struct repository *repo, | |
587 | const char *fmt, va_list ap) | |
588 | { | |
589 | struct tr2_tgt *tgt_j; | |
590 | int j; | |
591 | uint64_t us_now; | |
592 | uint64_t us_elapsed_absolute; | |
593 | uint64_t us_elapsed_region; | |
594 | ||
595 | if (!trace2_enabled) | |
596 | return; | |
597 | ||
598 | us_now = getnanotime() / 1000; | |
599 | us_elapsed_absolute = tr2tls_absolute_elapsed(us_now); | |
600 | ||
601 | /* | |
602 | * Get the elapsed time in the current region before we | |
603 | * pop it off the stack. Pop the stack. And then print | |
604 | * the perf message at the new (shallower) level so that | |
605 | * it lines up with the corresponding push/enter. | |
606 | */ | |
607 | us_elapsed_region = tr2tls_region_elasped_self(us_now); | |
608 | ||
609 | tr2tls_pop_self(); | |
610 | ||
611 | /* | |
612 | * We expect each target function to treat 'ap' as constant | |
613 | * and use va_copy. | |
614 | */ | |
615 | for_each_wanted_builtin (j, tgt_j) | |
616 | if (tgt_j->pfn_region_leave_printf_va_fl) | |
617 | tgt_j->pfn_region_leave_printf_va_fl( | |
618 | file, line, us_elapsed_absolute, | |
619 | us_elapsed_region, category, label, repo, fmt, | |
620 | ap); | |
621 | } | |
622 | ||
623 | void trace2_region_leave_fl(const char *file, int line, const char *category, | |
624 | const char *label, const struct repository *repo) | |
625 | { | |
626 | trace2_region_leave_printf_va_fl(file, line, category, label, repo, | |
627 | NULL, NULL); | |
628 | } | |
629 | ||
630 | void trace2_region_leave_printf_fl(const char *file, int line, | |
631 | const char *category, const char *label, | |
632 | const struct repository *repo, | |
633 | const char *fmt, ...) | |
634 | { | |
635 | va_list ap; | |
636 | ||
637 | va_start(ap, fmt); | |
638 | trace2_region_leave_printf_va_fl(file, line, category, label, repo, fmt, | |
639 | ap); | |
640 | va_end(ap); | |
641 | } | |
642 | ||
643 | #ifndef HAVE_VARIADIC_MACROS | |
644 | void trace2_region_leave_printf(const char *category, const char *label, | |
645 | const struct repository *repo, const char *fmt, | |
646 | ...) | |
647 | { | |
648 | va_list ap; | |
649 | ||
650 | va_start(ap, fmt); | |
651 | trace2_region_leave_printf_va_fl(NULL, 0, category, label, repo, fmt, | |
652 | ap); | |
653 | va_end(ap); | |
654 | } | |
655 | #endif | |
656 | ||
657 | void trace2_data_string_fl(const char *file, int line, const char *category, | |
658 | const struct repository *repo, const char *key, | |
659 | const char *value) | |
660 | { | |
661 | struct tr2_tgt *tgt_j; | |
662 | int j; | |
663 | uint64_t us_now; | |
664 | uint64_t us_elapsed_absolute; | |
665 | uint64_t us_elapsed_region; | |
666 | ||
667 | if (!trace2_enabled) | |
668 | return; | |
669 | ||
670 | us_now = getnanotime() / 1000; | |
671 | us_elapsed_absolute = tr2tls_absolute_elapsed(us_now); | |
672 | us_elapsed_region = tr2tls_region_elasped_self(us_now); | |
673 | ||
674 | for_each_wanted_builtin (j, tgt_j) | |
675 | if (tgt_j->pfn_data_fl) | |
676 | tgt_j->pfn_data_fl(file, line, us_elapsed_absolute, | |
677 | us_elapsed_region, category, repo, | |
678 | key, value); | |
679 | } | |
680 | ||
681 | void trace2_data_intmax_fl(const char *file, int line, const char *category, | |
682 | const struct repository *repo, const char *key, | |
683 | intmax_t value) | |
684 | { | |
685 | struct strbuf buf_string = STRBUF_INIT; | |
686 | ||
687 | if (!trace2_enabled) | |
688 | return; | |
689 | ||
690 | strbuf_addf(&buf_string, "%" PRIdMAX, value); | |
691 | trace2_data_string_fl(file, line, category, repo, key, buf_string.buf); | |
692 | strbuf_release(&buf_string); | |
693 | } | |
694 | ||
695 | void trace2_data_json_fl(const char *file, int line, const char *category, | |
696 | const struct repository *repo, const char *key, | |
697 | const struct json_writer *value) | |
698 | { | |
699 | struct tr2_tgt *tgt_j; | |
700 | int j; | |
701 | uint64_t us_now; | |
702 | uint64_t us_elapsed_absolute; | |
703 | uint64_t us_elapsed_region; | |
704 | ||
705 | if (!trace2_enabled) | |
706 | return; | |
707 | ||
708 | us_now = getnanotime() / 1000; | |
709 | us_elapsed_absolute = tr2tls_absolute_elapsed(us_now); | |
710 | us_elapsed_region = tr2tls_region_elasped_self(us_now); | |
711 | ||
712 | for_each_wanted_builtin (j, tgt_j) | |
713 | if (tgt_j->pfn_data_fl) | |
714 | tgt_j->pfn_data_json_fl(file, line, us_elapsed_absolute, | |
715 | us_elapsed_region, category, | |
716 | repo, key, value); | |
717 | } | |
718 | ||
719 | void trace2_printf_va_fl(const char *file, int line, const char *fmt, | |
720 | va_list ap) | |
721 | { | |
722 | struct tr2_tgt *tgt_j; | |
723 | int j; | |
724 | uint64_t us_now; | |
725 | uint64_t us_elapsed_absolute; | |
726 | ||
727 | if (!trace2_enabled) | |
728 | return; | |
729 | ||
730 | us_now = getnanotime() / 1000; | |
731 | us_elapsed_absolute = tr2tls_absolute_elapsed(us_now); | |
732 | ||
733 | /* | |
734 | * We expect each target function to treat 'ap' as constant | |
735 | * and use va_copy. | |
736 | */ | |
737 | for_each_wanted_builtin (j, tgt_j) | |
738 | if (tgt_j->pfn_printf_va_fl) | |
739 | tgt_j->pfn_printf_va_fl(file, line, us_elapsed_absolute, | |
740 | fmt, ap); | |
741 | } | |
742 | ||
743 | void trace2_printf_fl(const char *file, int line, const char *fmt, ...) | |
744 | { | |
745 | va_list ap; | |
746 | ||
747 | va_start(ap, fmt); | |
748 | trace2_printf_va_fl(file, line, fmt, ap); | |
749 | va_end(ap); | |
750 | } | |
751 | ||
752 | #ifndef HAVE_VARIADIC_MACROS | |
753 | void trace2_printf(const char *fmt, ...) | |
754 | { | |
755 | va_list ap; | |
756 | ||
757 | va_start(ap, fmt); | |
758 | trace2_printf_va_fl(NULL, 0, fmt, ap); | |
759 | va_end(ap); | |
760 | } | |
761 | #endif |