Commit | Line | Data |
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ea4010d1 SR |
1 | /* |
2 | * Copyright (C) 2009, Steven Rostedt <srostedt@redhat.com> | |
3 | * | |
4 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; version 2 of the License (not later!) | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
18 | * | |
19 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
20 | * | |
21 | * The parts for function graph printing was taken and modified from the | |
22 | * Linux Kernel that were written by Frederic Weisbecker. | |
23 | */ | |
24 | #define _GNU_SOURCE | |
25 | #include <stdio.h> | |
26 | #include <stdlib.h> | |
27 | #include <string.h> | |
28 | #include <ctype.h> | |
29 | #include <errno.h> | |
30 | ||
31 | #undef _GNU_SOURCE | |
1ef2ed10 | 32 | #include "../perf.h" |
ea4010d1 SR |
33 | #include "util.h" |
34 | #include "trace-event.h" | |
35 | ||
36 | int header_page_ts_offset; | |
37 | int header_page_ts_size; | |
38 | int header_page_size_offset; | |
39 | int header_page_size_size; | |
e9e94e3b ACM |
40 | int header_page_overwrite_offset; |
41 | int header_page_overwrite_size; | |
ea4010d1 SR |
42 | int header_page_data_offset; |
43 | int header_page_data_size; | |
44 | ||
cda48461 SR |
45 | int latency_format; |
46 | ||
ea4010d1 SR |
47 | static char *input_buf; |
48 | static unsigned long long input_buf_ptr; | |
49 | static unsigned long long input_buf_siz; | |
50 | ||
51 | static int cpus; | |
52 | static int long_size; | |
eb9a42ca TZ |
53 | static int is_flag_field; |
54 | static int is_symbolic_field; | |
55 | ||
56 | static struct format_field * | |
57 | find_any_field(struct event *event, const char *name); | |
ea4010d1 SR |
58 | |
59 | static void init_input_buf(char *buf, unsigned long long size) | |
60 | { | |
61 | input_buf = buf; | |
62 | input_buf_siz = size; | |
63 | input_buf_ptr = 0; | |
64 | } | |
65 | ||
66 | struct cmdline { | |
67 | char *comm; | |
68 | int pid; | |
69 | }; | |
70 | ||
71 | static struct cmdline *cmdlines; | |
72 | static int cmdline_count; | |
73 | ||
74 | static int cmdline_cmp(const void *a, const void *b) | |
75 | { | |
76 | const struct cmdline *ca = a; | |
77 | const struct cmdline *cb = b; | |
78 | ||
79 | if (ca->pid < cb->pid) | |
80 | return -1; | |
81 | if (ca->pid > cb->pid) | |
82 | return 1; | |
83 | ||
84 | return 0; | |
85 | } | |
86 | ||
87 | void parse_cmdlines(char *file, int size __unused) | |
88 | { | |
89 | struct cmdline_list { | |
90 | struct cmdline_list *next; | |
91 | char *comm; | |
92 | int pid; | |
93 | } *list = NULL, *item; | |
94 | char *line; | |
95 | char *next = NULL; | |
96 | int i; | |
97 | ||
98 | line = strtok_r(file, "\n", &next); | |
99 | while (line) { | |
100 | item = malloc_or_die(sizeof(*item)); | |
101 | sscanf(line, "%d %as", &item->pid, | |
65014ab3 | 102 | (float *)(void *)&item->comm); /* workaround gcc warning */ |
ea4010d1 SR |
103 | item->next = list; |
104 | list = item; | |
105 | line = strtok_r(NULL, "\n", &next); | |
106 | cmdline_count++; | |
107 | } | |
108 | ||
109 | cmdlines = malloc_or_die(sizeof(*cmdlines) * cmdline_count); | |
110 | ||
111 | i = 0; | |
112 | while (list) { | |
113 | cmdlines[i].pid = list->pid; | |
114 | cmdlines[i].comm = list->comm; | |
115 | i++; | |
116 | item = list; | |
117 | list = list->next; | |
118 | free(item); | |
119 | } | |
120 | ||
121 | qsort(cmdlines, cmdline_count, sizeof(*cmdlines), cmdline_cmp); | |
122 | } | |
123 | ||
124 | static struct func_map { | |
125 | unsigned long long addr; | |
126 | char *func; | |
127 | char *mod; | |
128 | } *func_list; | |
129 | static unsigned int func_count; | |
130 | ||
131 | static int func_cmp(const void *a, const void *b) | |
132 | { | |
133 | const struct func_map *fa = a; | |
134 | const struct func_map *fb = b; | |
135 | ||
136 | if (fa->addr < fb->addr) | |
137 | return -1; | |
138 | if (fa->addr > fb->addr) | |
139 | return 1; | |
140 | ||
141 | return 0; | |
142 | } | |
143 | ||
144 | void parse_proc_kallsyms(char *file, unsigned int size __unused) | |
145 | { | |
146 | struct func_list { | |
147 | struct func_list *next; | |
148 | unsigned long long addr; | |
149 | char *func; | |
150 | char *mod; | |
151 | } *list = NULL, *item; | |
152 | char *line; | |
153 | char *next = NULL; | |
154 | char *addr_str; | |
155 | char ch; | |
156 | int ret; | |
157 | int i; | |
158 | ||
159 | line = strtok_r(file, "\n", &next); | |
160 | while (line) { | |
161 | item = malloc_or_die(sizeof(*item)); | |
162 | item->mod = NULL; | |
163 | ret = sscanf(line, "%as %c %as\t[%as", | |
65014ab3 | 164 | (float *)(void *)&addr_str, /* workaround gcc warning */ |
ea4010d1 | 165 | &ch, |
65014ab3 IM |
166 | (float *)(void *)&item->func, |
167 | (float *)(void *)&item->mod); | |
ea4010d1 SR |
168 | item->addr = strtoull(addr_str, NULL, 16); |
169 | free(addr_str); | |
170 | ||
171 | /* truncate the extra ']' */ | |
172 | if (item->mod) | |
173 | item->mod[strlen(item->mod) - 1] = 0; | |
174 | ||
175 | ||
176 | item->next = list; | |
177 | list = item; | |
178 | line = strtok_r(NULL, "\n", &next); | |
179 | func_count++; | |
180 | } | |
181 | ||
7691b1ec | 182 | func_list = malloc_or_die(sizeof(*func_list) * (func_count + 1)); |
ea4010d1 SR |
183 | |
184 | i = 0; | |
185 | while (list) { | |
186 | func_list[i].func = list->func; | |
187 | func_list[i].addr = list->addr; | |
188 | func_list[i].mod = list->mod; | |
189 | i++; | |
190 | item = list; | |
191 | list = list->next; | |
192 | free(item); | |
193 | } | |
194 | ||
195 | qsort(func_list, func_count, sizeof(*func_list), func_cmp); | |
196 | ||
197 | /* | |
198 | * Add a special record at the end. | |
199 | */ | |
200 | func_list[func_count].func = NULL; | |
201 | func_list[func_count].addr = 0; | |
202 | func_list[func_count].mod = NULL; | |
203 | } | |
204 | ||
205 | /* | |
206 | * We are searching for a record in between, not an exact | |
207 | * match. | |
208 | */ | |
209 | static int func_bcmp(const void *a, const void *b) | |
210 | { | |
211 | const struct func_map *fa = a; | |
212 | const struct func_map *fb = b; | |
213 | ||
214 | if ((fa->addr == fb->addr) || | |
215 | ||
216 | (fa->addr > fb->addr && | |
217 | fa->addr < (fb+1)->addr)) | |
218 | return 0; | |
219 | ||
220 | if (fa->addr < fb->addr) | |
221 | return -1; | |
222 | ||
223 | return 1; | |
224 | } | |
225 | ||
226 | static struct func_map *find_func(unsigned long long addr) | |
227 | { | |
228 | struct func_map *func; | |
229 | struct func_map key; | |
230 | ||
231 | key.addr = addr; | |
232 | ||
233 | func = bsearch(&key, func_list, func_count, sizeof(*func_list), | |
234 | func_bcmp); | |
235 | ||
236 | return func; | |
237 | } | |
238 | ||
239 | void print_funcs(void) | |
240 | { | |
241 | int i; | |
242 | ||
243 | for (i = 0; i < (int)func_count; i++) { | |
244 | printf("%016llx %s", | |
245 | func_list[i].addr, | |
246 | func_list[i].func); | |
247 | if (func_list[i].mod) | |
248 | printf(" [%s]\n", func_list[i].mod); | |
249 | else | |
250 | printf("\n"); | |
251 | } | |
252 | } | |
253 | ||
254 | static struct printk_map { | |
255 | unsigned long long addr; | |
256 | char *printk; | |
257 | } *printk_list; | |
258 | static unsigned int printk_count; | |
259 | ||
260 | static int printk_cmp(const void *a, const void *b) | |
261 | { | |
262 | const struct func_map *fa = a; | |
263 | const struct func_map *fb = b; | |
264 | ||
265 | if (fa->addr < fb->addr) | |
266 | return -1; | |
267 | if (fa->addr > fb->addr) | |
268 | return 1; | |
269 | ||
270 | return 0; | |
271 | } | |
272 | ||
273 | static struct printk_map *find_printk(unsigned long long addr) | |
274 | { | |
275 | struct printk_map *printk; | |
276 | struct printk_map key; | |
277 | ||
278 | key.addr = addr; | |
279 | ||
280 | printk = bsearch(&key, printk_list, printk_count, sizeof(*printk_list), | |
281 | printk_cmp); | |
282 | ||
283 | return printk; | |
284 | } | |
285 | ||
286 | void parse_ftrace_printk(char *file, unsigned int size __unused) | |
287 | { | |
288 | struct printk_list { | |
289 | struct printk_list *next; | |
290 | unsigned long long addr; | |
291 | char *printk; | |
292 | } *list = NULL, *item; | |
293 | char *line; | |
294 | char *next = NULL; | |
295 | char *addr_str; | |
ea4010d1 SR |
296 | int i; |
297 | ||
298 | line = strtok_r(file, "\n", &next); | |
299 | while (line) { | |
4e3b799d SR |
300 | addr_str = strsep(&line, ":"); |
301 | if (!line) { | |
302 | warning("error parsing print strings"); | |
303 | break; | |
304 | } | |
ea4010d1 | 305 | item = malloc_or_die(sizeof(*item)); |
ea4010d1 | 306 | item->addr = strtoull(addr_str, NULL, 16); |
ffa18955 | 307 | /* fmt still has a space, skip it */ |
4e3b799d | 308 | item->printk = strdup(line+1); |
ea4010d1 SR |
309 | item->next = list; |
310 | list = item; | |
311 | line = strtok_r(NULL, "\n", &next); | |
312 | printk_count++; | |
313 | } | |
314 | ||
315 | printk_list = malloc_or_die(sizeof(*printk_list) * printk_count + 1); | |
316 | ||
317 | i = 0; | |
318 | while (list) { | |
319 | printk_list[i].printk = list->printk; | |
320 | printk_list[i].addr = list->addr; | |
321 | i++; | |
322 | item = list; | |
323 | list = list->next; | |
324 | free(item); | |
325 | } | |
326 | ||
327 | qsort(printk_list, printk_count, sizeof(*printk_list), printk_cmp); | |
328 | } | |
329 | ||
330 | void print_printk(void) | |
331 | { | |
332 | int i; | |
333 | ||
334 | for (i = 0; i < (int)printk_count; i++) { | |
335 | printf("%016llx %s\n", | |
336 | printk_list[i].addr, | |
337 | printk_list[i].printk); | |
338 | } | |
339 | } | |
340 | ||
341 | static struct event *alloc_event(void) | |
342 | { | |
343 | struct event *event; | |
344 | ||
345 | event = malloc_or_die(sizeof(*event)); | |
346 | memset(event, 0, sizeof(*event)); | |
347 | ||
348 | return event; | |
349 | } | |
350 | ||
351 | enum event_type { | |
352 | EVENT_ERROR, | |
353 | EVENT_NONE, | |
354 | EVENT_SPACE, | |
355 | EVENT_NEWLINE, | |
356 | EVENT_OP, | |
357 | EVENT_DELIM, | |
358 | EVENT_ITEM, | |
359 | EVENT_DQUOTE, | |
360 | EVENT_SQUOTE, | |
361 | }; | |
362 | ||
363 | static struct event *event_list; | |
364 | ||
365 | static void add_event(struct event *event) | |
366 | { | |
367 | event->next = event_list; | |
368 | event_list = event; | |
369 | } | |
370 | ||
371 | static int event_item_type(enum event_type type) | |
372 | { | |
373 | switch (type) { | |
374 | case EVENT_ITEM ... EVENT_SQUOTE: | |
375 | return 1; | |
376 | case EVENT_ERROR ... EVENT_DELIM: | |
377 | default: | |
378 | return 0; | |
379 | } | |
380 | } | |
381 | ||
382 | static void free_arg(struct print_arg *arg) | |
383 | { | |
384 | if (!arg) | |
385 | return; | |
386 | ||
387 | switch (arg->type) { | |
388 | case PRINT_ATOM: | |
389 | if (arg->atom.atom) | |
390 | free(arg->atom.atom); | |
391 | break; | |
392 | case PRINT_NULL: | |
393 | case PRINT_FIELD ... PRINT_OP: | |
394 | default: | |
395 | /* todo */ | |
396 | break; | |
397 | } | |
398 | ||
399 | free(arg); | |
400 | } | |
401 | ||
402 | static enum event_type get_type(int ch) | |
403 | { | |
404 | if (ch == '\n') | |
405 | return EVENT_NEWLINE; | |
406 | if (isspace(ch)) | |
407 | return EVENT_SPACE; | |
408 | if (isalnum(ch) || ch == '_') | |
409 | return EVENT_ITEM; | |
410 | if (ch == '\'') | |
411 | return EVENT_SQUOTE; | |
412 | if (ch == '"') | |
413 | return EVENT_DQUOTE; | |
414 | if (!isprint(ch)) | |
415 | return EVENT_NONE; | |
416 | if (ch == '(' || ch == ')' || ch == ',') | |
417 | return EVENT_DELIM; | |
418 | ||
419 | return EVENT_OP; | |
420 | } | |
421 | ||
422 | static int __read_char(void) | |
423 | { | |
424 | if (input_buf_ptr >= input_buf_siz) | |
425 | return -1; | |
426 | ||
427 | return input_buf[input_buf_ptr++]; | |
428 | } | |
429 | ||
430 | static int __peek_char(void) | |
431 | { | |
432 | if (input_buf_ptr >= input_buf_siz) | |
433 | return -1; | |
434 | ||
435 | return input_buf[input_buf_ptr]; | |
436 | } | |
437 | ||
438 | static enum event_type __read_token(char **tok) | |
439 | { | |
440 | char buf[BUFSIZ]; | |
441 | int ch, last_ch, quote_ch, next_ch; | |
442 | int i = 0; | |
443 | int tok_size = 0; | |
444 | enum event_type type; | |
445 | ||
446 | *tok = NULL; | |
447 | ||
448 | ||
449 | ch = __read_char(); | |
450 | if (ch < 0) | |
451 | return EVENT_NONE; | |
452 | ||
453 | type = get_type(ch); | |
454 | if (type == EVENT_NONE) | |
455 | return type; | |
456 | ||
457 | buf[i++] = ch; | |
458 | ||
459 | switch (type) { | |
460 | case EVENT_NEWLINE: | |
461 | case EVENT_DELIM: | |
462 | *tok = malloc_or_die(2); | |
463 | (*tok)[0] = ch; | |
464 | (*tok)[1] = 0; | |
465 | return type; | |
466 | ||
467 | case EVENT_OP: | |
468 | switch (ch) { | |
469 | case '-': | |
470 | next_ch = __peek_char(); | |
471 | if (next_ch == '>') { | |
472 | buf[i++] = __read_char(); | |
473 | break; | |
474 | } | |
475 | /* fall through */ | |
476 | case '+': | |
477 | case '|': | |
478 | case '&': | |
479 | case '>': | |
480 | case '<': | |
481 | last_ch = ch; | |
482 | ch = __peek_char(); | |
483 | if (ch != last_ch) | |
484 | goto test_equal; | |
485 | buf[i++] = __read_char(); | |
486 | switch (last_ch) { | |
487 | case '>': | |
488 | case '<': | |
489 | goto test_equal; | |
490 | default: | |
491 | break; | |
492 | } | |
493 | break; | |
494 | case '!': | |
495 | case '=': | |
496 | goto test_equal; | |
497 | default: /* what should we do instead? */ | |
498 | break; | |
499 | } | |
500 | buf[i] = 0; | |
501 | *tok = strdup(buf); | |
502 | return type; | |
503 | ||
504 | test_equal: | |
505 | ch = __peek_char(); | |
506 | if (ch == '=') | |
507 | buf[i++] = __read_char(); | |
508 | break; | |
509 | ||
510 | case EVENT_DQUOTE: | |
511 | case EVENT_SQUOTE: | |
512 | /* don't keep quotes */ | |
513 | i--; | |
514 | quote_ch = ch; | |
515 | last_ch = 0; | |
516 | do { | |
517 | if (i == (BUFSIZ - 1)) { | |
518 | buf[i] = 0; | |
519 | if (*tok) { | |
520 | *tok = realloc(*tok, tok_size + BUFSIZ); | |
521 | if (!*tok) | |
522 | return EVENT_NONE; | |
523 | strcat(*tok, buf); | |
524 | } else | |
525 | *tok = strdup(buf); | |
526 | ||
527 | if (!*tok) | |
528 | return EVENT_NONE; | |
529 | tok_size += BUFSIZ; | |
530 | i = 0; | |
531 | } | |
532 | last_ch = ch; | |
533 | ch = __read_char(); | |
534 | buf[i++] = ch; | |
91ff2bc1 SR |
535 | /* the '\' '\' will cancel itself */ |
536 | if (ch == '\\' && last_ch == '\\') | |
537 | last_ch = 0; | |
538 | } while (ch != quote_ch || last_ch == '\\'); | |
ea4010d1 SR |
539 | /* remove the last quote */ |
540 | i--; | |
541 | goto out; | |
542 | ||
543 | case EVENT_ERROR ... EVENT_SPACE: | |
544 | case EVENT_ITEM: | |
545 | default: | |
546 | break; | |
547 | } | |
548 | ||
549 | while (get_type(__peek_char()) == type) { | |
550 | if (i == (BUFSIZ - 1)) { | |
551 | buf[i] = 0; | |
552 | if (*tok) { | |
553 | *tok = realloc(*tok, tok_size + BUFSIZ); | |
554 | if (!*tok) | |
555 | return EVENT_NONE; | |
556 | strcat(*tok, buf); | |
557 | } else | |
558 | *tok = strdup(buf); | |
559 | ||
560 | if (!*tok) | |
561 | return EVENT_NONE; | |
562 | tok_size += BUFSIZ; | |
563 | i = 0; | |
564 | } | |
565 | ch = __read_char(); | |
566 | buf[i++] = ch; | |
567 | } | |
568 | ||
569 | out: | |
570 | buf[i] = 0; | |
571 | if (*tok) { | |
572 | *tok = realloc(*tok, tok_size + i); | |
573 | if (!*tok) | |
574 | return EVENT_NONE; | |
575 | strcat(*tok, buf); | |
576 | } else | |
577 | *tok = strdup(buf); | |
578 | if (!*tok) | |
579 | return EVENT_NONE; | |
580 | ||
581 | return type; | |
582 | } | |
583 | ||
584 | static void free_token(char *tok) | |
585 | { | |
586 | if (tok) | |
587 | free(tok); | |
588 | } | |
589 | ||
590 | static enum event_type read_token(char **tok) | |
591 | { | |
592 | enum event_type type; | |
593 | ||
594 | for (;;) { | |
595 | type = __read_token(tok); | |
596 | if (type != EVENT_SPACE) | |
597 | return type; | |
598 | ||
599 | free_token(*tok); | |
600 | } | |
601 | ||
602 | /* not reached */ | |
603 | return EVENT_NONE; | |
604 | } | |
605 | ||
606 | /* no newline */ | |
607 | static enum event_type read_token_item(char **tok) | |
608 | { | |
609 | enum event_type type; | |
610 | ||
611 | for (;;) { | |
612 | type = __read_token(tok); | |
613 | if (type != EVENT_SPACE && type != EVENT_NEWLINE) | |
614 | return type; | |
615 | ||
616 | free_token(*tok); | |
617 | } | |
618 | ||
619 | /* not reached */ | |
620 | return EVENT_NONE; | |
621 | } | |
622 | ||
623 | static int test_type(enum event_type type, enum event_type expect) | |
624 | { | |
625 | if (type != expect) { | |
07a4bddd | 626 | warning("Error: expected type %d but read %d", |
ea4010d1 SR |
627 | expect, type); |
628 | return -1; | |
629 | } | |
630 | return 0; | |
631 | } | |
632 | ||
e9e94e3b ACM |
633 | static int __test_type_token(enum event_type type, char *token, |
634 | enum event_type expect, const char *expect_tok, | |
635 | bool warn) | |
ea4010d1 SR |
636 | { |
637 | if (type != expect) { | |
e9e94e3b ACM |
638 | if (warn) |
639 | warning("Error: expected type %d but read %d", | |
640 | expect, type); | |
ea4010d1 SR |
641 | return -1; |
642 | } | |
643 | ||
644 | if (strcmp(token, expect_tok) != 0) { | |
e9e94e3b ACM |
645 | if (warn) |
646 | warning("Error: expected '%s' but read '%s'", | |
647 | expect_tok, token); | |
ea4010d1 SR |
648 | return -1; |
649 | } | |
650 | return 0; | |
651 | } | |
652 | ||
e9e94e3b ACM |
653 | static int test_type_token(enum event_type type, char *token, |
654 | enum event_type expect, const char *expect_tok) | |
655 | { | |
656 | return __test_type_token(type, token, expect, expect_tok, true); | |
657 | } | |
658 | ||
ea4010d1 SR |
659 | static int __read_expect_type(enum event_type expect, char **tok, int newline_ok) |
660 | { | |
661 | enum event_type type; | |
662 | ||
663 | if (newline_ok) | |
664 | type = read_token(tok); | |
665 | else | |
666 | type = read_token_item(tok); | |
667 | return test_type(type, expect); | |
668 | } | |
669 | ||
670 | static int read_expect_type(enum event_type expect, char **tok) | |
671 | { | |
672 | return __read_expect_type(expect, tok, 1); | |
673 | } | |
674 | ||
e9e94e3b ACM |
675 | static int __read_expected(enum event_type expect, const char *str, |
676 | int newline_ok, bool warn) | |
ea4010d1 SR |
677 | { |
678 | enum event_type type; | |
679 | char *token; | |
680 | int ret; | |
681 | ||
682 | if (newline_ok) | |
683 | type = read_token(&token); | |
684 | else | |
685 | type = read_token_item(&token); | |
686 | ||
e9e94e3b | 687 | ret = __test_type_token(type, token, expect, str, warn); |
ea4010d1 SR |
688 | |
689 | free_token(token); | |
690 | ||
07a4bddd | 691 | return ret; |
ea4010d1 SR |
692 | } |
693 | ||
e9e94e3b ACM |
694 | static int read_expected_warn(enum event_type expect, const char *str, bool warn) |
695 | { | |
696 | return __read_expected(expect, str, 1, warn); | |
697 | } | |
698 | ||
cbef79a8 | 699 | static int read_expected(enum event_type expect, const char *str) |
ea4010d1 | 700 | { |
e9e94e3b | 701 | return __read_expected(expect, str, 1, true); |
ea4010d1 SR |
702 | } |
703 | ||
cbef79a8 | 704 | static int read_expected_item(enum event_type expect, const char *str) |
ea4010d1 | 705 | { |
e9e94e3b | 706 | return __read_expected(expect, str, 0, true); |
ea4010d1 SR |
707 | } |
708 | ||
709 | static char *event_read_name(void) | |
710 | { | |
711 | char *token; | |
712 | ||
c4dc775f | 713 | if (read_expected(EVENT_ITEM, "name") < 0) |
ea4010d1 SR |
714 | return NULL; |
715 | ||
c4dc775f | 716 | if (read_expected(EVENT_OP, ":") < 0) |
ea4010d1 SR |
717 | return NULL; |
718 | ||
719 | if (read_expect_type(EVENT_ITEM, &token) < 0) | |
720 | goto fail; | |
721 | ||
722 | return token; | |
723 | ||
724 | fail: | |
725 | free_token(token); | |
726 | return NULL; | |
727 | } | |
728 | ||
729 | static int event_read_id(void) | |
730 | { | |
731 | char *token; | |
732 | int id; | |
733 | ||
c4dc775f | 734 | if (read_expected_item(EVENT_ITEM, "ID") < 0) |
ea4010d1 SR |
735 | return -1; |
736 | ||
c4dc775f | 737 | if (read_expected(EVENT_OP, ":") < 0) |
ea4010d1 SR |
738 | return -1; |
739 | ||
740 | if (read_expect_type(EVENT_ITEM, &token) < 0) | |
741 | goto fail; | |
742 | ||
743 | id = strtoul(token, NULL, 0); | |
744 | free_token(token); | |
745 | return id; | |
746 | ||
747 | fail: | |
748 | free_token(token); | |
749 | return -1; | |
750 | } | |
751 | ||
064739bc TZ |
752 | static int field_is_string(struct format_field *field) |
753 | { | |
754 | if ((field->flags & FIELD_IS_ARRAY) && | |
755 | (!strstr(field->type, "char") || !strstr(field->type, "u8") || | |
756 | !strstr(field->type, "s8"))) | |
757 | return 1; | |
758 | ||
759 | return 0; | |
760 | } | |
761 | ||
762 | static int field_is_dynamic(struct format_field *field) | |
763 | { | |
764 | if (!strcmp(field->type, "__data_loc")) | |
765 | return 1; | |
766 | ||
767 | return 0; | |
768 | } | |
769 | ||
ea4010d1 SR |
770 | static int event_read_fields(struct event *event, struct format_field **fields) |
771 | { | |
772 | struct format_field *field = NULL; | |
773 | enum event_type type; | |
774 | char *token; | |
775 | char *last_token; | |
776 | int count = 0; | |
777 | ||
778 | do { | |
779 | type = read_token(&token); | |
780 | if (type == EVENT_NEWLINE) { | |
781 | free_token(token); | |
782 | return count; | |
783 | } | |
784 | ||
785 | count++; | |
786 | ||
c4dc775f | 787 | if (test_type_token(type, token, EVENT_ITEM, "field")) |
ea4010d1 SR |
788 | goto fail; |
789 | free_token(token); | |
790 | ||
791 | type = read_token(&token); | |
792 | /* | |
793 | * The ftrace fields may still use the "special" name. | |
794 | * Just ignore it. | |
795 | */ | |
796 | if (event->flags & EVENT_FL_ISFTRACE && | |
797 | type == EVENT_ITEM && strcmp(token, "special") == 0) { | |
798 | free_token(token); | |
799 | type = read_token(&token); | |
800 | } | |
801 | ||
c4dc775f | 802 | if (test_type_token(type, token, EVENT_OP, ":") < 0) |
ea4010d1 SR |
803 | return -1; |
804 | ||
805 | if (read_expect_type(EVENT_ITEM, &token) < 0) | |
806 | goto fail; | |
807 | ||
808 | last_token = token; | |
809 | ||
810 | field = malloc_or_die(sizeof(*field)); | |
811 | memset(field, 0, sizeof(*field)); | |
812 | ||
813 | /* read the rest of the type */ | |
814 | for (;;) { | |
815 | type = read_token(&token); | |
816 | if (type == EVENT_ITEM || | |
817 | (type == EVENT_OP && strcmp(token, "*") == 0) || | |
818 | /* | |
819 | * Some of the ftrace fields are broken and have | |
820 | * an illegal "." in them. | |
821 | */ | |
822 | (event->flags & EVENT_FL_ISFTRACE && | |
823 | type == EVENT_OP && strcmp(token, ".") == 0)) { | |
824 | ||
825 | if (strcmp(token, "*") == 0) | |
826 | field->flags |= FIELD_IS_POINTER; | |
827 | ||
828 | if (field->type) { | |
829 | field->type = realloc(field->type, | |
830 | strlen(field->type) + | |
831 | strlen(last_token) + 2); | |
832 | strcat(field->type, " "); | |
833 | strcat(field->type, last_token); | |
834 | } else | |
835 | field->type = last_token; | |
836 | last_token = token; | |
837 | continue; | |
838 | } | |
839 | ||
840 | break; | |
841 | } | |
842 | ||
843 | if (!field->type) { | |
844 | die("no type found"); | |
845 | goto fail; | |
846 | } | |
847 | field->name = last_token; | |
848 | ||
849 | if (test_type(type, EVENT_OP)) | |
850 | goto fail; | |
851 | ||
852 | if (strcmp(token, "[") == 0) { | |
853 | enum event_type last_type = type; | |
854 | char *brackets = token; | |
855 | int len; | |
856 | ||
857 | field->flags |= FIELD_IS_ARRAY; | |
858 | ||
859 | type = read_token(&token); | |
860 | while (strcmp(token, "]") != 0) { | |
861 | if (last_type == EVENT_ITEM && | |
862 | type == EVENT_ITEM) | |
863 | len = 2; | |
864 | else | |
865 | len = 1; | |
866 | last_type = type; | |
867 | ||
868 | brackets = realloc(brackets, | |
869 | strlen(brackets) + | |
870 | strlen(token) + len); | |
871 | if (len == 2) | |
872 | strcat(brackets, " "); | |
873 | strcat(brackets, token); | |
874 | free_token(token); | |
875 | type = read_token(&token); | |
876 | if (type == EVENT_NONE) { | |
877 | die("failed to find token"); | |
878 | goto fail; | |
879 | } | |
880 | } | |
881 | ||
882 | free_token(token); | |
883 | ||
884 | brackets = realloc(brackets, strlen(brackets) + 2); | |
885 | strcat(brackets, "]"); | |
886 | ||
887 | /* add brackets to type */ | |
888 | ||
889 | type = read_token(&token); | |
890 | /* | |
891 | * If the next token is not an OP, then it is of | |
892 | * the format: type [] item; | |
893 | */ | |
894 | if (type == EVENT_ITEM) { | |
895 | field->type = realloc(field->type, | |
896 | strlen(field->type) + | |
897 | strlen(field->name) + | |
898 | strlen(brackets) + 2); | |
899 | strcat(field->type, " "); | |
900 | strcat(field->type, field->name); | |
901 | free_token(field->name); | |
902 | strcat(field->type, brackets); | |
903 | field->name = token; | |
904 | type = read_token(&token); | |
905 | } else { | |
906 | field->type = realloc(field->type, | |
907 | strlen(field->type) + | |
908 | strlen(brackets) + 1); | |
909 | strcat(field->type, brackets); | |
910 | } | |
911 | free(brackets); | |
912 | } | |
913 | ||
064739bc TZ |
914 | if (field_is_string(field)) { |
915 | field->flags |= FIELD_IS_STRING; | |
916 | if (field_is_dynamic(field)) | |
917 | field->flags |= FIELD_IS_DYNAMIC; | |
918 | } | |
919 | ||
c4dc775f | 920 | if (test_type_token(type, token, EVENT_OP, ";")) |
ea4010d1 SR |
921 | goto fail; |
922 | free_token(token); | |
923 | ||
c4dc775f | 924 | if (read_expected(EVENT_ITEM, "offset") < 0) |
ea4010d1 SR |
925 | goto fail_expect; |
926 | ||
c4dc775f | 927 | if (read_expected(EVENT_OP, ":") < 0) |
ea4010d1 SR |
928 | goto fail_expect; |
929 | ||
930 | if (read_expect_type(EVENT_ITEM, &token)) | |
931 | goto fail; | |
932 | field->offset = strtoul(token, NULL, 0); | |
933 | free_token(token); | |
934 | ||
c4dc775f | 935 | if (read_expected(EVENT_OP, ";") < 0) |
ea4010d1 SR |
936 | goto fail_expect; |
937 | ||
c4dc775f | 938 | if (read_expected(EVENT_ITEM, "size") < 0) |
ea4010d1 SR |
939 | goto fail_expect; |
940 | ||
c4dc775f | 941 | if (read_expected(EVENT_OP, ":") < 0) |
ea4010d1 SR |
942 | goto fail_expect; |
943 | ||
944 | if (read_expect_type(EVENT_ITEM, &token)) | |
945 | goto fail; | |
946 | field->size = strtoul(token, NULL, 0); | |
947 | free_token(token); | |
948 | ||
c4dc775f | 949 | if (read_expected(EVENT_OP, ";") < 0) |
26a50744 TZ |
950 | goto fail_expect; |
951 | ||
13999e59 SR |
952 | type = read_token(&token); |
953 | if (type != EVENT_NEWLINE) { | |
954 | /* newer versions of the kernel have a "signed" type */ | |
c4dc775f | 955 | if (test_type_token(type, token, EVENT_ITEM, "signed")) |
13999e59 | 956 | goto fail; |
26a50744 | 957 | |
13999e59 | 958 | free_token(token); |
26a50744 | 959 | |
c4dc775f | 960 | if (read_expected(EVENT_OP, ":") < 0) |
13999e59 | 961 | goto fail_expect; |
26a50744 | 962 | |
13999e59 SR |
963 | if (read_expect_type(EVENT_ITEM, &token)) |
964 | goto fail; | |
965 | ||
0d0bea5e TZ |
966 | if (strtoul(token, NULL, 0)) |
967 | field->flags |= FIELD_IS_SIGNED; | |
13999e59 SR |
968 | |
969 | free_token(token); | |
c4dc775f | 970 | if (read_expected(EVENT_OP, ";") < 0) |
13999e59 SR |
971 | goto fail_expect; |
972 | ||
973 | if (read_expect_type(EVENT_NEWLINE, &token)) | |
974 | goto fail; | |
975 | } | |
ea4010d1 | 976 | |
ea4010d1 SR |
977 | free_token(token); |
978 | ||
979 | *fields = field; | |
980 | fields = &field->next; | |
981 | ||
982 | } while (1); | |
983 | ||
984 | return 0; | |
985 | ||
986 | fail: | |
987 | free_token(token); | |
988 | fail_expect: | |
989 | if (field) | |
990 | free(field); | |
991 | return -1; | |
992 | } | |
993 | ||
994 | static int event_read_format(struct event *event) | |
995 | { | |
996 | char *token; | |
997 | int ret; | |
998 | ||
c4dc775f | 999 | if (read_expected_item(EVENT_ITEM, "format") < 0) |
ea4010d1 SR |
1000 | return -1; |
1001 | ||
c4dc775f | 1002 | if (read_expected(EVENT_OP, ":") < 0) |
ea4010d1 SR |
1003 | return -1; |
1004 | ||
1005 | if (read_expect_type(EVENT_NEWLINE, &token)) | |
1006 | goto fail; | |
1007 | free_token(token); | |
1008 | ||
1009 | ret = event_read_fields(event, &event->format.common_fields); | |
1010 | if (ret < 0) | |
1011 | return ret; | |
1012 | event->format.nr_common = ret; | |
1013 | ||
1014 | ret = event_read_fields(event, &event->format.fields); | |
1015 | if (ret < 0) | |
1016 | return ret; | |
1017 | event->format.nr_fields = ret; | |
1018 | ||
1019 | return 0; | |
1020 | ||
1021 | fail: | |
1022 | free_token(token); | |
1023 | return -1; | |
1024 | } | |
1025 | ||
1026 | enum event_type | |
1027 | process_arg_token(struct event *event, struct print_arg *arg, | |
1028 | char **tok, enum event_type type); | |
1029 | ||
1030 | static enum event_type | |
1031 | process_arg(struct event *event, struct print_arg *arg, char **tok) | |
1032 | { | |
1033 | enum event_type type; | |
1034 | char *token; | |
1035 | ||
1036 | type = read_token(&token); | |
1037 | *tok = token; | |
1038 | ||
1039 | return process_arg_token(event, arg, tok, type); | |
1040 | } | |
1041 | ||
1042 | static enum event_type | |
1043 | process_cond(struct event *event, struct print_arg *top, char **tok) | |
1044 | { | |
1045 | struct print_arg *arg, *left, *right; | |
1046 | enum event_type type; | |
1047 | char *token = NULL; | |
1048 | ||
1049 | arg = malloc_or_die(sizeof(*arg)); | |
1050 | memset(arg, 0, sizeof(*arg)); | |
1051 | ||
1052 | left = malloc_or_die(sizeof(*left)); | |
1053 | ||
1054 | right = malloc_or_die(sizeof(*right)); | |
1055 | ||
1056 | arg->type = PRINT_OP; | |
1057 | arg->op.left = left; | |
1058 | arg->op.right = right; | |
1059 | ||
1060 | *tok = NULL; | |
1061 | type = process_arg(event, left, &token); | |
c4dc775f | 1062 | if (test_type_token(type, token, EVENT_OP, ":")) |
ea4010d1 SR |
1063 | goto out_free; |
1064 | ||
1065 | arg->op.op = token; | |
1066 | ||
1067 | type = process_arg(event, right, &token); | |
1068 | ||
1069 | top->op.right = arg; | |
1070 | ||
1071 | *tok = token; | |
1072 | return type; | |
1073 | ||
1074 | out_free: | |
1075 | free_token(*tok); | |
1076 | free(right); | |
1077 | free(left); | |
1078 | free_arg(arg); | |
1079 | return EVENT_ERROR; | |
1080 | } | |
1081 | ||
0959b8d6 SR |
1082 | static enum event_type |
1083 | process_array(struct event *event, struct print_arg *top, char **tok) | |
1084 | { | |
1085 | struct print_arg *arg; | |
1086 | enum event_type type; | |
1087 | char *token = NULL; | |
1088 | ||
1089 | arg = malloc_or_die(sizeof(*arg)); | |
1090 | memset(arg, 0, sizeof(*arg)); | |
1091 | ||
1092 | *tok = NULL; | |
1093 | type = process_arg(event, arg, &token); | |
c4dc775f | 1094 | if (test_type_token(type, token, EVENT_OP, "]")) |
0959b8d6 SR |
1095 | goto out_free; |
1096 | ||
1097 | top->op.right = arg; | |
1098 | ||
1099 | free_token(token); | |
1100 | type = read_token_item(&token); | |
1101 | *tok = token; | |
1102 | ||
1103 | return type; | |
1104 | ||
1105 | out_free: | |
1106 | free_token(*tok); | |
1107 | free_arg(arg); | |
1108 | return EVENT_ERROR; | |
1109 | } | |
1110 | ||
ea4010d1 SR |
1111 | static int get_op_prio(char *op) |
1112 | { | |
1113 | if (!op[1]) { | |
1114 | switch (op[0]) { | |
1115 | case '*': | |
1116 | case '/': | |
1117 | case '%': | |
1118 | return 6; | |
1119 | case '+': | |
1120 | case '-': | |
1121 | return 7; | |
1122 | /* '>>' and '<<' are 8 */ | |
1123 | case '<': | |
1124 | case '>': | |
1125 | return 9; | |
1126 | /* '==' and '!=' are 10 */ | |
1127 | case '&': | |
1128 | return 11; | |
1129 | case '^': | |
1130 | return 12; | |
1131 | case '|': | |
1132 | return 13; | |
1133 | case '?': | |
1134 | return 16; | |
1135 | default: | |
1136 | die("unknown op '%c'", op[0]); | |
1137 | return -1; | |
1138 | } | |
1139 | } else { | |
1140 | if (strcmp(op, "++") == 0 || | |
1141 | strcmp(op, "--") == 0) { | |
1142 | return 3; | |
1143 | } else if (strcmp(op, ">>") == 0 || | |
1144 | strcmp(op, "<<") == 0) { | |
1145 | return 8; | |
1146 | } else if (strcmp(op, ">=") == 0 || | |
1147 | strcmp(op, "<=") == 0) { | |
1148 | return 9; | |
1149 | } else if (strcmp(op, "==") == 0 || | |
1150 | strcmp(op, "!=") == 0) { | |
1151 | return 10; | |
1152 | } else if (strcmp(op, "&&") == 0) { | |
1153 | return 14; | |
1154 | } else if (strcmp(op, "||") == 0) { | |
1155 | return 15; | |
1156 | } else { | |
1157 | die("unknown op '%s'", op); | |
1158 | return -1; | |
1159 | } | |
1160 | } | |
1161 | } | |
1162 | ||
1163 | static void set_op_prio(struct print_arg *arg) | |
1164 | { | |
1165 | ||
1166 | /* single ops are the greatest */ | |
1167 | if (!arg->op.left || arg->op.left->type == PRINT_NULL) { | |
1168 | arg->op.prio = 0; | |
1169 | return; | |
1170 | } | |
1171 | ||
1172 | arg->op.prio = get_op_prio(arg->op.op); | |
1173 | } | |
1174 | ||
1175 | static enum event_type | |
1176 | process_op(struct event *event, struct print_arg *arg, char **tok) | |
1177 | { | |
1178 | struct print_arg *left, *right = NULL; | |
1179 | enum event_type type; | |
1180 | char *token; | |
1181 | ||
1182 | /* the op is passed in via tok */ | |
1183 | token = *tok; | |
1184 | ||
1185 | if (arg->type == PRINT_OP && !arg->op.left) { | |
1186 | /* handle single op */ | |
1187 | if (token[1]) { | |
1188 | die("bad op token %s", token); | |
1189 | return EVENT_ERROR; | |
1190 | } | |
1191 | switch (token[0]) { | |
1192 | case '!': | |
1193 | case '+': | |
1194 | case '-': | |
1195 | break; | |
1196 | default: | |
1197 | die("bad op token %s", token); | |
1198 | return EVENT_ERROR; | |
1199 | } | |
1200 | ||
1201 | /* make an empty left */ | |
1202 | left = malloc_or_die(sizeof(*left)); | |
1203 | left->type = PRINT_NULL; | |
1204 | arg->op.left = left; | |
1205 | ||
1206 | right = malloc_or_die(sizeof(*right)); | |
1207 | arg->op.right = right; | |
1208 | ||
1209 | type = process_arg(event, right, tok); | |
1210 | ||
1211 | } else if (strcmp(token, "?") == 0) { | |
1212 | ||
1213 | left = malloc_or_die(sizeof(*left)); | |
1214 | /* copy the top arg to the left */ | |
1215 | *left = *arg; | |
1216 | ||
1217 | arg->type = PRINT_OP; | |
1218 | arg->op.op = token; | |
1219 | arg->op.left = left; | |
1220 | arg->op.prio = 0; | |
1221 | ||
1222 | type = process_cond(event, arg, tok); | |
1223 | ||
1224 | } else if (strcmp(token, ">>") == 0 || | |
1225 | strcmp(token, "<<") == 0 || | |
1226 | strcmp(token, "&") == 0 || | |
1227 | strcmp(token, "|") == 0 || | |
1228 | strcmp(token, "&&") == 0 || | |
1229 | strcmp(token, "||") == 0 || | |
1230 | strcmp(token, "-") == 0 || | |
1231 | strcmp(token, "+") == 0 || | |
1232 | strcmp(token, "*") == 0 || | |
1233 | strcmp(token, "^") == 0 || | |
1234 | strcmp(token, "/") == 0 || | |
298ebc3e SR |
1235 | strcmp(token, "<") == 0 || |
1236 | strcmp(token, ">") == 0 || | |
ea4010d1 SR |
1237 | strcmp(token, "==") == 0 || |
1238 | strcmp(token, "!=") == 0) { | |
1239 | ||
1240 | left = malloc_or_die(sizeof(*left)); | |
1241 | ||
1242 | /* copy the top arg to the left */ | |
1243 | *left = *arg; | |
1244 | ||
1245 | arg->type = PRINT_OP; | |
1246 | arg->op.op = token; | |
1247 | arg->op.left = left; | |
1248 | ||
1249 | set_op_prio(arg); | |
1250 | ||
1251 | right = malloc_or_die(sizeof(*right)); | |
1252 | ||
b99af874 SR |
1253 | type = read_token_item(&token); |
1254 | *tok = token; | |
1255 | ||
1256 | /* could just be a type pointer */ | |
1257 | if ((strcmp(arg->op.op, "*") == 0) && | |
1258 | type == EVENT_DELIM && (strcmp(token, ")") == 0)) { | |
1259 | if (left->type != PRINT_ATOM) | |
1260 | die("bad pointer type"); | |
1261 | left->atom.atom = realloc(left->atom.atom, | |
1262 | sizeof(left->atom.atom) + 3); | |
1263 | strcat(left->atom.atom, " *"); | |
1264 | *arg = *left; | |
1265 | free(arg); | |
1266 | ||
1267 | return type; | |
1268 | } | |
1269 | ||
1270 | type = process_arg_token(event, right, tok, type); | |
ea4010d1 SR |
1271 | |
1272 | arg->op.right = right; | |
1273 | ||
0959b8d6 SR |
1274 | } else if (strcmp(token, "[") == 0) { |
1275 | ||
1276 | left = malloc_or_die(sizeof(*left)); | |
1277 | *left = *arg; | |
1278 | ||
1279 | arg->type = PRINT_OP; | |
1280 | arg->op.op = token; | |
1281 | arg->op.left = left; | |
1282 | ||
1283 | arg->op.prio = 0; | |
1284 | type = process_array(event, arg, tok); | |
1285 | ||
ea4010d1 | 1286 | } else { |
07a4bddd SR |
1287 | warning("unknown op '%s'", token); |
1288 | event->flags |= EVENT_FL_FAILED; | |
ea4010d1 SR |
1289 | /* the arg is now the left side */ |
1290 | return EVENT_NONE; | |
1291 | } | |
1292 | ||
ea4010d1 SR |
1293 | if (type == EVENT_OP) { |
1294 | int prio; | |
1295 | ||
1296 | /* higher prios need to be closer to the root */ | |
1297 | prio = get_op_prio(*tok); | |
1298 | ||
1299 | if (prio > arg->op.prio) | |
1300 | return process_op(event, arg, tok); | |
1301 | ||
1302 | return process_op(event, right, tok); | |
1303 | } | |
1304 | ||
1305 | return type; | |
1306 | } | |
1307 | ||
1308 | static enum event_type | |
1309 | process_entry(struct event *event __unused, struct print_arg *arg, | |
1310 | char **tok) | |
1311 | { | |
1312 | enum event_type type; | |
1313 | char *field; | |
1314 | char *token; | |
1315 | ||
c4dc775f | 1316 | if (read_expected(EVENT_OP, "->") < 0) |
ea4010d1 SR |
1317 | return EVENT_ERROR; |
1318 | ||
1319 | if (read_expect_type(EVENT_ITEM, &token) < 0) | |
1320 | goto fail; | |
1321 | field = token; | |
1322 | ||
1323 | arg->type = PRINT_FIELD; | |
1324 | arg->field.name = field; | |
1325 | ||
eb9a42ca TZ |
1326 | if (is_flag_field) { |
1327 | arg->field.field = find_any_field(event, arg->field.name); | |
1328 | arg->field.field->flags |= FIELD_IS_FLAG; | |
1329 | is_flag_field = 0; | |
1330 | } else if (is_symbolic_field) { | |
1331 | arg->field.field = find_any_field(event, arg->field.name); | |
1332 | arg->field.field->flags |= FIELD_IS_SYMBOLIC; | |
1333 | is_symbolic_field = 0; | |
1334 | } | |
1335 | ||
ea4010d1 SR |
1336 | type = read_token(&token); |
1337 | *tok = token; | |
1338 | ||
1339 | return type; | |
1340 | ||
1341 | fail: | |
1342 | free_token(token); | |
1343 | return EVENT_ERROR; | |
1344 | } | |
1345 | ||
1346 | static char *arg_eval (struct print_arg *arg); | |
1347 | ||
1348 | static long long arg_num_eval(struct print_arg *arg) | |
1349 | { | |
1350 | long long left, right; | |
1351 | long long val = 0; | |
1352 | ||
1353 | switch (arg->type) { | |
1354 | case PRINT_ATOM: | |
1355 | val = strtoll(arg->atom.atom, NULL, 0); | |
1356 | break; | |
1357 | case PRINT_TYPE: | |
1358 | val = arg_num_eval(arg->typecast.item); | |
1359 | break; | |
1360 | case PRINT_OP: | |
1361 | switch (arg->op.op[0]) { | |
1362 | case '|': | |
1363 | left = arg_num_eval(arg->op.left); | |
1364 | right = arg_num_eval(arg->op.right); | |
1365 | if (arg->op.op[1]) | |
1366 | val = left || right; | |
1367 | else | |
1368 | val = left | right; | |
1369 | break; | |
1370 | case '&': | |
1371 | left = arg_num_eval(arg->op.left); | |
1372 | right = arg_num_eval(arg->op.right); | |
1373 | if (arg->op.op[1]) | |
1374 | val = left && right; | |
1375 | else | |
1376 | val = left & right; | |
1377 | break; | |
1378 | case '<': | |
1379 | left = arg_num_eval(arg->op.left); | |
1380 | right = arg_num_eval(arg->op.right); | |
1381 | switch (arg->op.op[1]) { | |
1382 | case 0: | |
1383 | val = left < right; | |
1384 | break; | |
1385 | case '<': | |
1386 | val = left << right; | |
1387 | break; | |
1388 | case '=': | |
1389 | val = left <= right; | |
1390 | break; | |
1391 | default: | |
1392 | die("unknown op '%s'", arg->op.op); | |
1393 | } | |
1394 | break; | |
1395 | case '>': | |
1396 | left = arg_num_eval(arg->op.left); | |
1397 | right = arg_num_eval(arg->op.right); | |
1398 | switch (arg->op.op[1]) { | |
1399 | case 0: | |
1400 | val = left > right; | |
1401 | break; | |
1402 | case '>': | |
1403 | val = left >> right; | |
1404 | break; | |
1405 | case '=': | |
1406 | val = left >= right; | |
1407 | break; | |
1408 | default: | |
1409 | die("unknown op '%s'", arg->op.op); | |
1410 | } | |
1411 | break; | |
1412 | case '=': | |
1413 | left = arg_num_eval(arg->op.left); | |
1414 | right = arg_num_eval(arg->op.right); | |
1415 | ||
1416 | if (arg->op.op[1] != '=') | |
1417 | die("unknown op '%s'", arg->op.op); | |
1418 | ||
1419 | val = left == right; | |
1420 | break; | |
1421 | case '!': | |
1422 | left = arg_num_eval(arg->op.left); | |
1423 | right = arg_num_eval(arg->op.right); | |
1424 | ||
1425 | switch (arg->op.op[1]) { | |
1426 | case '=': | |
1427 | val = left != right; | |
1428 | break; | |
1429 | default: | |
1430 | die("unknown op '%s'", arg->op.op); | |
1431 | } | |
1432 | break; | |
1433 | default: | |
1434 | die("unknown op '%s'", arg->op.op); | |
1435 | } | |
1436 | break; | |
1437 | ||
1438 | case PRINT_NULL: | |
1439 | case PRINT_FIELD ... PRINT_SYMBOL: | |
1440 | case PRINT_STRING: | |
1441 | default: | |
1442 | die("invalid eval type %d", arg->type); | |
1443 | ||
1444 | } | |
1445 | return val; | |
1446 | } | |
1447 | ||
1448 | static char *arg_eval (struct print_arg *arg) | |
1449 | { | |
1450 | long long val; | |
1451 | static char buf[20]; | |
1452 | ||
1453 | switch (arg->type) { | |
1454 | case PRINT_ATOM: | |
1455 | return arg->atom.atom; | |
1456 | case PRINT_TYPE: | |
1457 | return arg_eval(arg->typecast.item); | |
1458 | case PRINT_OP: | |
1459 | val = arg_num_eval(arg); | |
1460 | sprintf(buf, "%lld", val); | |
1461 | return buf; | |
1462 | ||
1463 | case PRINT_NULL: | |
1464 | case PRINT_FIELD ... PRINT_SYMBOL: | |
1465 | case PRINT_STRING: | |
1466 | default: | |
1467 | die("invalid eval type %d", arg->type); | |
1468 | break; | |
1469 | } | |
1470 | ||
1471 | return NULL; | |
1472 | } | |
1473 | ||
1474 | static enum event_type | |
1475 | process_fields(struct event *event, struct print_flag_sym **list, char **tok) | |
1476 | { | |
1477 | enum event_type type; | |
1478 | struct print_arg *arg = NULL; | |
1479 | struct print_flag_sym *field; | |
1480 | char *token = NULL; | |
1481 | char *value; | |
1482 | ||
1483 | do { | |
1484 | free_token(token); | |
1485 | type = read_token_item(&token); | |
c4dc775f | 1486 | if (test_type_token(type, token, EVENT_OP, "{")) |
ea4010d1 SR |
1487 | break; |
1488 | ||
1489 | arg = malloc_or_die(sizeof(*arg)); | |
1490 | ||
1491 | free_token(token); | |
1492 | type = process_arg(event, arg, &token); | |
c4dc775f | 1493 | if (test_type_token(type, token, EVENT_DELIM, ",")) |
ea4010d1 SR |
1494 | goto out_free; |
1495 | ||
1496 | field = malloc_or_die(sizeof(*field)); | |
5660ce34 | 1497 | memset(field, 0, sizeof(*field)); |
ea4010d1 SR |
1498 | |
1499 | value = arg_eval(arg); | |
1500 | field->value = strdup(value); | |
1501 | ||
1502 | free_token(token); | |
1503 | type = process_arg(event, arg, &token); | |
c4dc775f | 1504 | if (test_type_token(type, token, EVENT_OP, "}")) |
ea4010d1 SR |
1505 | goto out_free; |
1506 | ||
1507 | value = arg_eval(arg); | |
1508 | field->str = strdup(value); | |
1509 | free_arg(arg); | |
1510 | arg = NULL; | |
1511 | ||
1512 | *list = field; | |
1513 | list = &field->next; | |
1514 | ||
1515 | free_token(token); | |
1516 | type = read_token_item(&token); | |
1517 | } while (type == EVENT_DELIM && strcmp(token, ",") == 0); | |
1518 | ||
1519 | *tok = token; | |
1520 | return type; | |
1521 | ||
1522 | out_free: | |
1523 | free_arg(arg); | |
1524 | free_token(token); | |
1525 | ||
1526 | return EVENT_ERROR; | |
1527 | } | |
1528 | ||
1529 | static enum event_type | |
1530 | process_flags(struct event *event, struct print_arg *arg, char **tok) | |
1531 | { | |
1532 | struct print_arg *field; | |
1533 | enum event_type type; | |
1534 | char *token; | |
1535 | ||
1536 | memset(arg, 0, sizeof(*arg)); | |
1537 | arg->type = PRINT_FLAGS; | |
1538 | ||
c4dc775f | 1539 | if (read_expected_item(EVENT_DELIM, "(") < 0) |
ea4010d1 SR |
1540 | return EVENT_ERROR; |
1541 | ||
1542 | field = malloc_or_die(sizeof(*field)); | |
1543 | ||
1544 | type = process_arg(event, field, &token); | |
c4dc775f | 1545 | if (test_type_token(type, token, EVENT_DELIM, ",")) |
ea4010d1 SR |
1546 | goto out_free; |
1547 | ||
1548 | arg->flags.field = field; | |
1549 | ||
1550 | type = read_token_item(&token); | |
1551 | if (event_item_type(type)) { | |
1552 | arg->flags.delim = token; | |
1553 | type = read_token_item(&token); | |
1554 | } | |
1555 | ||
c4dc775f | 1556 | if (test_type_token(type, token, EVENT_DELIM, ",")) |
ea4010d1 SR |
1557 | goto out_free; |
1558 | ||
1559 | type = process_fields(event, &arg->flags.flags, &token); | |
c4dc775f | 1560 | if (test_type_token(type, token, EVENT_DELIM, ")")) |
ea4010d1 SR |
1561 | goto out_free; |
1562 | ||
1563 | free_token(token); | |
1564 | type = read_token_item(tok); | |
1565 | return type; | |
1566 | ||
1567 | out_free: | |
1568 | free_token(token); | |
1569 | return EVENT_ERROR; | |
1570 | } | |
1571 | ||
1572 | static enum event_type | |
1573 | process_symbols(struct event *event, struct print_arg *arg, char **tok) | |
1574 | { | |
1575 | struct print_arg *field; | |
1576 | enum event_type type; | |
1577 | char *token; | |
1578 | ||
1579 | memset(arg, 0, sizeof(*arg)); | |
1580 | arg->type = PRINT_SYMBOL; | |
1581 | ||
c4dc775f | 1582 | if (read_expected_item(EVENT_DELIM, "(") < 0) |
ea4010d1 SR |
1583 | return EVENT_ERROR; |
1584 | ||
1585 | field = malloc_or_die(sizeof(*field)); | |
1586 | ||
1587 | type = process_arg(event, field, &token); | |
c4dc775f | 1588 | if (test_type_token(type, token, EVENT_DELIM, ",")) |
ea4010d1 SR |
1589 | goto out_free; |
1590 | ||
1591 | arg->symbol.field = field; | |
1592 | ||
1593 | type = process_fields(event, &arg->symbol.symbols, &token); | |
c4dc775f | 1594 | if (test_type_token(type, token, EVENT_DELIM, ")")) |
ea4010d1 SR |
1595 | goto out_free; |
1596 | ||
1597 | free_token(token); | |
1598 | type = read_token_item(tok); | |
1599 | return type; | |
1600 | ||
1601 | out_free: | |
1602 | free_token(token); | |
1603 | return EVENT_ERROR; | |
1604 | } | |
1605 | ||
1606 | static enum event_type | |
1607 | process_paren(struct event *event, struct print_arg *arg, char **tok) | |
1608 | { | |
1609 | struct print_arg *item_arg; | |
1610 | enum event_type type; | |
1611 | char *token; | |
1612 | ||
1613 | type = process_arg(event, arg, &token); | |
1614 | ||
1615 | if (type == EVENT_ERROR) | |
1616 | return EVENT_ERROR; | |
1617 | ||
b99af874 SR |
1618 | if (type == EVENT_OP) |
1619 | type = process_op(event, arg, &token); | |
ea4010d1 | 1620 | |
b99af874 SR |
1621 | if (type == EVENT_ERROR) |
1622 | return EVENT_ERROR; | |
ea4010d1 | 1623 | |
c4dc775f | 1624 | if (test_type_token(type, token, EVENT_DELIM, ")")) { |
ea4010d1 SR |
1625 | free_token(token); |
1626 | return EVENT_ERROR; | |
1627 | } | |
1628 | ||
1629 | free_token(token); | |
1630 | type = read_token_item(&token); | |
1631 | ||
1632 | /* | |
1633 | * If the next token is an item or another open paren, then | |
1634 | * this was a typecast. | |
1635 | */ | |
1636 | if (event_item_type(type) || | |
1637 | (type == EVENT_DELIM && strcmp(token, "(") == 0)) { | |
1638 | ||
1639 | /* make this a typecast and contine */ | |
1640 | ||
1641 | /* prevous must be an atom */ | |
1642 | if (arg->type != PRINT_ATOM) | |
1643 | die("previous needed to be PRINT_ATOM"); | |
1644 | ||
1645 | item_arg = malloc_or_die(sizeof(*item_arg)); | |
1646 | ||
1647 | arg->type = PRINT_TYPE; | |
1648 | arg->typecast.type = arg->atom.atom; | |
1649 | arg->typecast.item = item_arg; | |
1650 | type = process_arg_token(event, item_arg, &token, type); | |
1651 | ||
1652 | } | |
1653 | ||
1654 | *tok = token; | |
1655 | return type; | |
1656 | } | |
1657 | ||
1658 | ||
1659 | static enum event_type | |
1660 | process_str(struct event *event __unused, struct print_arg *arg, char **tok) | |
1661 | { | |
1662 | enum event_type type; | |
1663 | char *token; | |
1664 | ||
c4dc775f | 1665 | if (read_expected(EVENT_DELIM, "(") < 0) |
ea4010d1 SR |
1666 | return EVENT_ERROR; |
1667 | ||
1668 | if (read_expect_type(EVENT_ITEM, &token) < 0) | |
1669 | goto fail; | |
1670 | ||
1671 | arg->type = PRINT_STRING; | |
1672 | arg->string.string = token; | |
561f732c | 1673 | arg->string.offset = -1; |
ea4010d1 | 1674 | |
c4dc775f | 1675 | if (read_expected(EVENT_DELIM, ")") < 0) |
ea4010d1 SR |
1676 | return EVENT_ERROR; |
1677 | ||
1678 | type = read_token(&token); | |
1679 | *tok = token; | |
1680 | ||
1681 | return type; | |
1682 | fail: | |
1683 | free_token(token); | |
1684 | return EVENT_ERROR; | |
1685 | } | |
1686 | ||
1687 | enum event_type | |
1688 | process_arg_token(struct event *event, struct print_arg *arg, | |
1689 | char **tok, enum event_type type) | |
1690 | { | |
1691 | char *token; | |
1692 | char *atom; | |
1693 | ||
1694 | token = *tok; | |
1695 | ||
1696 | switch (type) { | |
1697 | case EVENT_ITEM: | |
1698 | if (strcmp(token, "REC") == 0) { | |
1699 | free_token(token); | |
1700 | type = process_entry(event, arg, &token); | |
1701 | } else if (strcmp(token, "__print_flags") == 0) { | |
1702 | free_token(token); | |
eb9a42ca | 1703 | is_flag_field = 1; |
ea4010d1 SR |
1704 | type = process_flags(event, arg, &token); |
1705 | } else if (strcmp(token, "__print_symbolic") == 0) { | |
1706 | free_token(token); | |
eb9a42ca | 1707 | is_symbolic_field = 1; |
ea4010d1 SR |
1708 | type = process_symbols(event, arg, &token); |
1709 | } else if (strcmp(token, "__get_str") == 0) { | |
1710 | free_token(token); | |
1711 | type = process_str(event, arg, &token); | |
1712 | } else { | |
1713 | atom = token; | |
1714 | /* test the next token */ | |
1715 | type = read_token_item(&token); | |
1716 | ||
1717 | /* atoms can be more than one token long */ | |
1718 | while (type == EVENT_ITEM) { | |
1719 | atom = realloc(atom, strlen(atom) + strlen(token) + 2); | |
1720 | strcat(atom, " "); | |
1721 | strcat(atom, token); | |
1722 | free_token(token); | |
1723 | type = read_token_item(&token); | |
1724 | } | |
1725 | ||
1726 | /* todo, test for function */ | |
1727 | ||
1728 | arg->type = PRINT_ATOM; | |
1729 | arg->atom.atom = atom; | |
1730 | } | |
1731 | break; | |
1732 | case EVENT_DQUOTE: | |
1733 | case EVENT_SQUOTE: | |
1734 | arg->type = PRINT_ATOM; | |
1735 | arg->atom.atom = token; | |
1736 | type = read_token_item(&token); | |
1737 | break; | |
1738 | case EVENT_DELIM: | |
1739 | if (strcmp(token, "(") == 0) { | |
1740 | free_token(token); | |
1741 | type = process_paren(event, arg, &token); | |
1742 | break; | |
1743 | } | |
1744 | case EVENT_OP: | |
1745 | /* handle single ops */ | |
1746 | arg->type = PRINT_OP; | |
1747 | arg->op.op = token; | |
1748 | arg->op.left = NULL; | |
1749 | type = process_op(event, arg, &token); | |
1750 | ||
1751 | break; | |
1752 | ||
1753 | case EVENT_ERROR ... EVENT_NEWLINE: | |
1754 | default: | |
1755 | die("unexpected type %d", type); | |
1756 | } | |
1757 | *tok = token; | |
1758 | ||
1759 | return type; | |
1760 | } | |
1761 | ||
1762 | static int event_read_print_args(struct event *event, struct print_arg **list) | |
1763 | { | |
f1d1feec | 1764 | enum event_type type = EVENT_ERROR; |
ea4010d1 SR |
1765 | struct print_arg *arg; |
1766 | char *token; | |
1767 | int args = 0; | |
1768 | ||
1769 | do { | |
f1d1feec SR |
1770 | if (type == EVENT_NEWLINE) { |
1771 | free_token(token); | |
1772 | type = read_token_item(&token); | |
1773 | continue; | |
1774 | } | |
1775 | ||
ea4010d1 SR |
1776 | arg = malloc_or_die(sizeof(*arg)); |
1777 | memset(arg, 0, sizeof(*arg)); | |
1778 | ||
1779 | type = process_arg(event, arg, &token); | |
1780 | ||
1781 | if (type == EVENT_ERROR) { | |
1782 | free_arg(arg); | |
1783 | return -1; | |
1784 | } | |
1785 | ||
1786 | *list = arg; | |
1787 | args++; | |
1788 | ||
1789 | if (type == EVENT_OP) { | |
1790 | type = process_op(event, arg, &token); | |
1791 | list = &arg->next; | |
1792 | continue; | |
1793 | } | |
1794 | ||
1795 | if (type == EVENT_DELIM && strcmp(token, ",") == 0) { | |
1796 | free_token(token); | |
1797 | *list = arg; | |
1798 | list = &arg->next; | |
1799 | continue; | |
1800 | } | |
1801 | break; | |
1802 | } while (type != EVENT_NONE); | |
1803 | ||
1804 | if (type != EVENT_NONE) | |
1805 | free_token(token); | |
1806 | ||
1807 | return args; | |
1808 | } | |
1809 | ||
1810 | static int event_read_print(struct event *event) | |
1811 | { | |
1812 | enum event_type type; | |
1813 | char *token; | |
1814 | int ret; | |
1815 | ||
c4dc775f | 1816 | if (read_expected_item(EVENT_ITEM, "print") < 0) |
ea4010d1 SR |
1817 | return -1; |
1818 | ||
c4dc775f | 1819 | if (read_expected(EVENT_ITEM, "fmt") < 0) |
ea4010d1 SR |
1820 | return -1; |
1821 | ||
c4dc775f | 1822 | if (read_expected(EVENT_OP, ":") < 0) |
ea4010d1 SR |
1823 | return -1; |
1824 | ||
1825 | if (read_expect_type(EVENT_DQUOTE, &token) < 0) | |
1826 | goto fail; | |
1827 | ||
924a79af | 1828 | concat: |
ea4010d1 SR |
1829 | event->print_fmt.format = token; |
1830 | event->print_fmt.args = NULL; | |
1831 | ||
1832 | /* ok to have no arg */ | |
1833 | type = read_token_item(&token); | |
1834 | ||
1835 | if (type == EVENT_NONE) | |
1836 | return 0; | |
1837 | ||
924a79af SR |
1838 | /* Handle concatination of print lines */ |
1839 | if (type == EVENT_DQUOTE) { | |
1840 | char *cat; | |
1841 | ||
1842 | cat = malloc_or_die(strlen(event->print_fmt.format) + | |
1843 | strlen(token) + 1); | |
1844 | strcpy(cat, event->print_fmt.format); | |
1845 | strcat(cat, token); | |
1846 | free_token(token); | |
1847 | free_token(event->print_fmt.format); | |
1848 | event->print_fmt.format = NULL; | |
1849 | token = cat; | |
1850 | goto concat; | |
1851 | } | |
c4dc775f SR |
1852 | |
1853 | if (test_type_token(type, token, EVENT_DELIM, ",")) | |
ea4010d1 SR |
1854 | goto fail; |
1855 | ||
1856 | free_token(token); | |
1857 | ||
1858 | ret = event_read_print_args(event, &event->print_fmt.args); | |
1859 | if (ret < 0) | |
1860 | return -1; | |
1861 | ||
0d1da915 | 1862 | return ret; |
ea4010d1 SR |
1863 | |
1864 | fail: | |
1865 | free_token(token); | |
1866 | return -1; | |
1867 | } | |
1868 | ||
1869 | static struct format_field * | |
1870 | find_common_field(struct event *event, const char *name) | |
1871 | { | |
1872 | struct format_field *format; | |
1873 | ||
1874 | for (format = event->format.common_fields; | |
1875 | format; format = format->next) { | |
1876 | if (strcmp(format->name, name) == 0) | |
1877 | break; | |
1878 | } | |
1879 | ||
1880 | return format; | |
1881 | } | |
1882 | ||
1883 | static struct format_field * | |
1884 | find_field(struct event *event, const char *name) | |
1885 | { | |
1886 | struct format_field *format; | |
1887 | ||
1888 | for (format = event->format.fields; | |
1889 | format; format = format->next) { | |
1890 | if (strcmp(format->name, name) == 0) | |
1891 | break; | |
1892 | } | |
1893 | ||
1894 | return format; | |
1895 | } | |
1896 | ||
1897 | static struct format_field * | |
1898 | find_any_field(struct event *event, const char *name) | |
1899 | { | |
1900 | struct format_field *format; | |
1901 | ||
1902 | format = find_common_field(event, name); | |
1903 | if (format) | |
1904 | return format; | |
1905 | return find_field(event, name); | |
1906 | } | |
1907 | ||
16c632de | 1908 | unsigned long long read_size(void *ptr, int size) |
ea4010d1 SR |
1909 | { |
1910 | switch (size) { | |
1911 | case 1: | |
1912 | return *(unsigned char *)ptr; | |
1913 | case 2: | |
1914 | return data2host2(ptr); | |
1915 | case 4: | |
1916 | return data2host4(ptr); | |
1917 | case 8: | |
1918 | return data2host8(ptr); | |
1919 | default: | |
1920 | /* BUG! */ | |
1921 | return 0; | |
1922 | } | |
1923 | } | |
1924 | ||
46538818 FW |
1925 | unsigned long long |
1926 | raw_field_value(struct event *event, const char *name, void *data) | |
1927 | { | |
1928 | struct format_field *field; | |
1929 | ||
1930 | field = find_any_field(event, name); | |
1931 | if (!field) | |
1932 | return 0ULL; | |
1933 | ||
1934 | return read_size(data + field->offset, field->size); | |
1935 | } | |
1936 | ||
1937 | void *raw_field_ptr(struct event *event, const char *name, void *data) | |
1938 | { | |
1939 | struct format_field *field; | |
1940 | ||
1941 | field = find_any_field(event, name); | |
1942 | if (!field) | |
1943 | return NULL; | |
1944 | ||
86d8d296 HM |
1945 | if (field->flags & FIELD_IS_STRING) { |
1946 | int offset; | |
1947 | ||
1948 | offset = *(int *)(data + field->offset); | |
1949 | offset &= 0xffff; | |
1950 | ||
1951 | return data + offset; | |
1952 | } | |
1953 | ||
46538818 FW |
1954 | return data + field->offset; |
1955 | } | |
1956 | ||
ea4010d1 SR |
1957 | static int get_common_info(const char *type, int *offset, int *size) |
1958 | { | |
1959 | struct event *event; | |
1960 | struct format_field *field; | |
1961 | ||
1962 | /* | |
1963 | * All events should have the same common elements. | |
1964 | * Pick any event to find where the type is; | |
1965 | */ | |
1966 | if (!event_list) | |
1967 | die("no event_list!"); | |
1968 | ||
1969 | event = event_list; | |
1970 | field = find_common_field(event, type); | |
1971 | if (!field) | |
1972 | die("field '%s' not found", type); | |
1973 | ||
1974 | *offset = field->offset; | |
1975 | *size = field->size; | |
1976 | ||
1977 | return 0; | |
1978 | } | |
1979 | ||
cda48461 | 1980 | static int __parse_common(void *data, int *size, int *offset, |
c4dc775f | 1981 | const char *name) |
ea4010d1 | 1982 | { |
ea4010d1 SR |
1983 | int ret; |
1984 | ||
cda48461 SR |
1985 | if (!*size) { |
1986 | ret = get_common_info(name, offset, size); | |
ea4010d1 SR |
1987 | if (ret < 0) |
1988 | return ret; | |
1989 | } | |
cda48461 SR |
1990 | return read_size(data + *offset, *size); |
1991 | } | |
1992 | ||
1993 | int trace_parse_common_type(void *data) | |
1994 | { | |
1995 | static int type_offset; | |
1996 | static int type_size; | |
1997 | ||
1998 | return __parse_common(data, &type_size, &type_offset, | |
c4dc775f | 1999 | "common_type"); |
ea4010d1 SR |
2000 | } |
2001 | ||
16c632de | 2002 | int trace_parse_common_pid(void *data) |
ea4010d1 SR |
2003 | { |
2004 | static int pid_offset; | |
2005 | static int pid_size; | |
cda48461 SR |
2006 | |
2007 | return __parse_common(data, &pid_size, &pid_offset, | |
c4dc775f | 2008 | "common_pid"); |
cda48461 SR |
2009 | } |
2010 | ||
d1b93772 | 2011 | int parse_common_pc(void *data) |
cda48461 SR |
2012 | { |
2013 | static int pc_offset; | |
2014 | static int pc_size; | |
2015 | ||
2016 | return __parse_common(data, &pc_size, &pc_offset, | |
c4dc775f | 2017 | "common_preempt_count"); |
cda48461 SR |
2018 | } |
2019 | ||
d1b93772 | 2020 | int parse_common_flags(void *data) |
cda48461 SR |
2021 | { |
2022 | static int flags_offset; | |
2023 | static int flags_size; | |
2024 | ||
2025 | return __parse_common(data, &flags_size, &flags_offset, | |
c4dc775f | 2026 | "common_flags"); |
cda48461 SR |
2027 | } |
2028 | ||
d1b93772 | 2029 | int parse_common_lock_depth(void *data) |
cda48461 SR |
2030 | { |
2031 | static int ld_offset; | |
2032 | static int ld_size; | |
ea4010d1 SR |
2033 | int ret; |
2034 | ||
cda48461 | 2035 | ret = __parse_common(data, &ld_size, &ld_offset, |
c4dc775f | 2036 | "common_lock_depth"); |
cda48461 SR |
2037 | if (ret < 0) |
2038 | return -1; | |
ea4010d1 | 2039 | |
cda48461 | 2040 | return ret; |
ea4010d1 SR |
2041 | } |
2042 | ||
ec156764 | 2043 | struct event *trace_find_event(int id) |
ea4010d1 SR |
2044 | { |
2045 | struct event *event; | |
2046 | ||
2047 | for (event = event_list; event; event = event->next) { | |
2048 | if (event->id == id) | |
2049 | break; | |
2050 | } | |
2051 | return event; | |
2052 | } | |
2053 | ||
16c632de TZ |
2054 | struct event *trace_find_next_event(struct event *event) |
2055 | { | |
2056 | if (!event) | |
2057 | return event_list; | |
2058 | ||
2059 | return event->next; | |
2060 | } | |
2061 | ||
ea4010d1 SR |
2062 | static unsigned long long eval_num_arg(void *data, int size, |
2063 | struct event *event, struct print_arg *arg) | |
2064 | { | |
2065 | unsigned long long val = 0; | |
2066 | unsigned long long left, right; | |
0959b8d6 | 2067 | struct print_arg *larg; |
ea4010d1 SR |
2068 | |
2069 | switch (arg->type) { | |
2070 | case PRINT_NULL: | |
2071 | /* ?? */ | |
2072 | return 0; | |
2073 | case PRINT_ATOM: | |
2074 | return strtoull(arg->atom.atom, NULL, 0); | |
2075 | case PRINT_FIELD: | |
2076 | if (!arg->field.field) { | |
2077 | arg->field.field = find_any_field(event, arg->field.name); | |
2078 | if (!arg->field.field) | |
2079 | die("field %s not found", arg->field.name); | |
2080 | } | |
2081 | /* must be a number */ | |
2082 | val = read_size(data + arg->field.field->offset, | |
2083 | arg->field.field->size); | |
2084 | break; | |
2085 | case PRINT_FLAGS: | |
2086 | case PRINT_SYMBOL: | |
2087 | break; | |
2088 | case PRINT_TYPE: | |
2089 | return eval_num_arg(data, size, event, arg->typecast.item); | |
2090 | case PRINT_STRING: | |
2091 | return 0; | |
2092 | break; | |
2093 | case PRINT_OP: | |
0959b8d6 SR |
2094 | if (strcmp(arg->op.op, "[") == 0) { |
2095 | /* | |
2096 | * Arrays are special, since we don't want | |
2097 | * to read the arg as is. | |
2098 | */ | |
2099 | if (arg->op.left->type != PRINT_FIELD) | |
2100 | goto default_op; /* oops, all bets off */ | |
2101 | larg = arg->op.left; | |
2102 | if (!larg->field.field) { | |
2103 | larg->field.field = | |
2104 | find_any_field(event, larg->field.name); | |
2105 | if (!larg->field.field) | |
2106 | die("field %s not found", larg->field.name); | |
2107 | } | |
2108 | right = eval_num_arg(data, size, event, arg->op.right); | |
2109 | val = read_size(data + larg->field.field->offset + | |
2110 | right * long_size, long_size); | |
2111 | break; | |
2112 | } | |
2113 | default_op: | |
ea4010d1 SR |
2114 | left = eval_num_arg(data, size, event, arg->op.left); |
2115 | right = eval_num_arg(data, size, event, arg->op.right); | |
2116 | switch (arg->op.op[0]) { | |
2117 | case '|': | |
2118 | if (arg->op.op[1]) | |
2119 | val = left || right; | |
2120 | else | |
2121 | val = left | right; | |
2122 | break; | |
2123 | case '&': | |
2124 | if (arg->op.op[1]) | |
2125 | val = left && right; | |
2126 | else | |
2127 | val = left & right; | |
2128 | break; | |
2129 | case '<': | |
2130 | switch (arg->op.op[1]) { | |
2131 | case 0: | |
2132 | val = left < right; | |
2133 | break; | |
2134 | case '<': | |
2135 | val = left << right; | |
2136 | break; | |
2137 | case '=': | |
2138 | val = left <= right; | |
2139 | break; | |
2140 | default: | |
2141 | die("unknown op '%s'", arg->op.op); | |
2142 | } | |
2143 | break; | |
2144 | case '>': | |
2145 | switch (arg->op.op[1]) { | |
2146 | case 0: | |
2147 | val = left > right; | |
2148 | break; | |
2149 | case '>': | |
2150 | val = left >> right; | |
2151 | break; | |
2152 | case '=': | |
2153 | val = left >= right; | |
2154 | break; | |
2155 | default: | |
2156 | die("unknown op '%s'", arg->op.op); | |
2157 | } | |
2158 | break; | |
2159 | case '=': | |
2160 | if (arg->op.op[1] != '=') | |
2161 | die("unknown op '%s'", arg->op.op); | |
2162 | val = left == right; | |
2163 | break; | |
afdf1a40 SR |
2164 | case '-': |
2165 | val = left - right; | |
2166 | break; | |
2167 | case '+': | |
2168 | val = left + right; | |
2169 | break; | |
ea4010d1 SR |
2170 | default: |
2171 | die("unknown op '%s'", arg->op.op); | |
2172 | } | |
2173 | break; | |
2174 | default: /* not sure what to do there */ | |
2175 | return 0; | |
2176 | } | |
2177 | return val; | |
2178 | } | |
2179 | ||
2180 | struct flag { | |
2181 | const char *name; | |
2182 | unsigned long long value; | |
2183 | }; | |
2184 | ||
2185 | static const struct flag flags[] = { | |
2186 | { "HI_SOFTIRQ", 0 }, | |
2187 | { "TIMER_SOFTIRQ", 1 }, | |
2188 | { "NET_TX_SOFTIRQ", 2 }, | |
2189 | { "NET_RX_SOFTIRQ", 3 }, | |
2190 | { "BLOCK_SOFTIRQ", 4 }, | |
b934cdd5 TZ |
2191 | { "BLOCK_IOPOLL_SOFTIRQ", 5 }, |
2192 | { "TASKLET_SOFTIRQ", 6 }, | |
2193 | { "SCHED_SOFTIRQ", 7 }, | |
2194 | { "HRTIMER_SOFTIRQ", 8 }, | |
2195 | { "RCU_SOFTIRQ", 9 }, | |
ea4010d1 SR |
2196 | |
2197 | { "HRTIMER_NORESTART", 0 }, | |
2198 | { "HRTIMER_RESTART", 1 }, | |
2199 | }; | |
2200 | ||
16c632de | 2201 | unsigned long long eval_flag(const char *flag) |
ea4010d1 SR |
2202 | { |
2203 | int i; | |
2204 | ||
2205 | /* | |
2206 | * Some flags in the format files do not get converted. | |
2207 | * If the flag is not numeric, see if it is something that | |
2208 | * we already know about. | |
2209 | */ | |
2210 | if (isdigit(flag[0])) | |
2211 | return strtoull(flag, NULL, 0); | |
2212 | ||
2213 | for (i = 0; i < (int)(sizeof(flags)/sizeof(flags[0])); i++) | |
2214 | if (strcmp(flags[i].name, flag) == 0) | |
2215 | return flags[i].value; | |
2216 | ||
2217 | return 0; | |
2218 | } | |
2219 | ||
2220 | static void print_str_arg(void *data, int size, | |
2221 | struct event *event, struct print_arg *arg) | |
2222 | { | |
2223 | struct print_flag_sym *flag; | |
2224 | unsigned long long val, fval; | |
2225 | char *str; | |
2226 | int print; | |
2227 | ||
2228 | switch (arg->type) { | |
2229 | case PRINT_NULL: | |
2230 | /* ?? */ | |
2231 | return; | |
2232 | case PRINT_ATOM: | |
2233 | printf("%s", arg->atom.atom); | |
2234 | return; | |
2235 | case PRINT_FIELD: | |
2236 | if (!arg->field.field) { | |
2237 | arg->field.field = find_any_field(event, arg->field.name); | |
2238 | if (!arg->field.field) | |
2239 | die("field %s not found", arg->field.name); | |
2240 | } | |
2241 | str = malloc_or_die(arg->field.field->size + 1); | |
2242 | memcpy(str, data + arg->field.field->offset, | |
2243 | arg->field.field->size); | |
2244 | str[arg->field.field->size] = 0; | |
d498bc1f | 2245 | printf("%s", str); |
ea4010d1 SR |
2246 | free(str); |
2247 | break; | |
2248 | case PRINT_FLAGS: | |
2249 | val = eval_num_arg(data, size, event, arg->flags.field); | |
2250 | print = 0; | |
2251 | for (flag = arg->flags.flags; flag; flag = flag->next) { | |
2252 | fval = eval_flag(flag->value); | |
2253 | if (!val && !fval) { | |
2254 | printf("%s", flag->str); | |
2255 | break; | |
2256 | } | |
2257 | if (fval && (val & fval) == fval) { | |
2258 | if (print && arg->flags.delim) | |
2259 | printf("%s", arg->flags.delim); | |
2260 | printf("%s", flag->str); | |
2261 | print = 1; | |
2262 | val &= ~fval; | |
2263 | } | |
2264 | } | |
2265 | break; | |
2266 | case PRINT_SYMBOL: | |
2267 | val = eval_num_arg(data, size, event, arg->symbol.field); | |
2268 | for (flag = arg->symbol.symbols; flag; flag = flag->next) { | |
2269 | fval = eval_flag(flag->value); | |
2270 | if (val == fval) { | |
2271 | printf("%s", flag->str); | |
2272 | break; | |
2273 | } | |
2274 | } | |
2275 | break; | |
2276 | ||
2277 | case PRINT_TYPE: | |
2278 | break; | |
561f732c FW |
2279 | case PRINT_STRING: { |
2280 | int str_offset; | |
2281 | ||
2282 | if (arg->string.offset == -1) { | |
2283 | struct format_field *f; | |
2284 | ||
2285 | f = find_any_field(event, arg->string.string); | |
2286 | arg->string.offset = f->offset; | |
2287 | } | |
2288 | str_offset = *(int *)(data + arg->string.offset); | |
2289 | str_offset &= 0xffff; | |
2290 | printf("%s", ((char *)data) + str_offset); | |
ea4010d1 | 2291 | break; |
561f732c | 2292 | } |
ea4010d1 SR |
2293 | case PRINT_OP: |
2294 | /* | |
2295 | * The only op for string should be ? : | |
2296 | */ | |
2297 | if (arg->op.op[0] != '?') | |
2298 | return; | |
2299 | val = eval_num_arg(data, size, event, arg->op.left); | |
2300 | if (val) | |
2301 | print_str_arg(data, size, event, arg->op.right->op.left); | |
2302 | else | |
2303 | print_str_arg(data, size, event, arg->op.right->op.right); | |
2304 | break; | |
2305 | default: | |
2306 | /* well... */ | |
2307 | break; | |
2308 | } | |
2309 | } | |
2310 | ||
2311 | static struct print_arg *make_bprint_args(char *fmt, void *data, int size, struct event *event) | |
2312 | { | |
2313 | static struct format_field *field, *ip_field; | |
2314 | struct print_arg *args, *arg, **next; | |
2315 | unsigned long long ip, val; | |
2316 | char *ptr; | |
2317 | void *bptr; | |
2318 | ||
2319 | if (!field) { | |
2320 | field = find_field(event, "buf"); | |
2321 | if (!field) | |
2322 | die("can't find buffer field for binary printk"); | |
2323 | ip_field = find_field(event, "ip"); | |
2324 | if (!ip_field) | |
2325 | die("can't find ip field for binary printk"); | |
2326 | } | |
2327 | ||
2328 | ip = read_size(data + ip_field->offset, ip_field->size); | |
2329 | ||
2330 | /* | |
2331 | * The first arg is the IP pointer. | |
2332 | */ | |
2333 | args = malloc_or_die(sizeof(*args)); | |
2334 | arg = args; | |
2335 | arg->next = NULL; | |
2336 | next = &arg->next; | |
2337 | ||
2338 | arg->type = PRINT_ATOM; | |
2339 | arg->atom.atom = malloc_or_die(32); | |
2340 | sprintf(arg->atom.atom, "%lld", ip); | |
2341 | ||
2342 | /* skip the first "%pf : " */ | |
2343 | for (ptr = fmt + 6, bptr = data + field->offset; | |
2344 | bptr < data + size && *ptr; ptr++) { | |
2345 | int ls = 0; | |
2346 | ||
2347 | if (*ptr == '%') { | |
2348 | process_again: | |
2349 | ptr++; | |
2350 | switch (*ptr) { | |
2351 | case '%': | |
2352 | break; | |
2353 | case 'l': | |
2354 | ls++; | |
2355 | goto process_again; | |
2356 | case 'L': | |
2357 | ls = 2; | |
2358 | goto process_again; | |
2359 | case '0' ... '9': | |
2360 | goto process_again; | |
2361 | case 'p': | |
2362 | ls = 1; | |
2363 | /* fall through */ | |
2364 | case 'd': | |
2365 | case 'u': | |
2366 | case 'x': | |
2367 | case 'i': | |
ffa18955 SR |
2368 | /* the pointers are always 4 bytes aligned */ |
2369 | bptr = (void *)(((unsigned long)bptr + 3) & | |
2370 | ~3); | |
ea4010d1 SR |
2371 | switch (ls) { |
2372 | case 0: | |
2373 | case 1: | |
2374 | ls = long_size; | |
2375 | break; | |
2376 | case 2: | |
2377 | ls = 8; | |
2378 | default: | |
2379 | break; | |
2380 | } | |
2381 | val = read_size(bptr, ls); | |
2382 | bptr += ls; | |
2383 | arg = malloc_or_die(sizeof(*arg)); | |
2384 | arg->next = NULL; | |
2385 | arg->type = PRINT_ATOM; | |
2386 | arg->atom.atom = malloc_or_die(32); | |
2387 | sprintf(arg->atom.atom, "%lld", val); | |
2388 | *next = arg; | |
2389 | next = &arg->next; | |
2390 | break; | |
2391 | case 's': | |
2392 | arg = malloc_or_die(sizeof(*arg)); | |
2393 | arg->next = NULL; | |
2394 | arg->type = PRINT_STRING; | |
2395 | arg->string.string = strdup(bptr); | |
2396 | bptr += strlen(bptr) + 1; | |
2397 | *next = arg; | |
2398 | next = &arg->next; | |
2399 | default: | |
2400 | break; | |
2401 | } | |
2402 | } | |
2403 | } | |
2404 | ||
2405 | return args; | |
2406 | } | |
2407 | ||
2408 | static void free_args(struct print_arg *args) | |
2409 | { | |
2410 | struct print_arg *next; | |
2411 | ||
2412 | while (args) { | |
2413 | next = args->next; | |
2414 | ||
2415 | if (args->type == PRINT_ATOM) | |
2416 | free(args->atom.atom); | |
2417 | else | |
2418 | free(args->string.string); | |
2419 | free(args); | |
2420 | args = next; | |
2421 | } | |
2422 | } | |
2423 | ||
2424 | static char *get_bprint_format(void *data, int size __unused, struct event *event) | |
2425 | { | |
2426 | unsigned long long addr; | |
2427 | static struct format_field *field; | |
2428 | struct printk_map *printk; | |
2429 | char *format; | |
2430 | char *p; | |
2431 | ||
2432 | if (!field) { | |
2433 | field = find_field(event, "fmt"); | |
2434 | if (!field) | |
2435 | die("can't find format field for binary printk"); | |
2436 | printf("field->offset = %d size=%d\n", field->offset, field->size); | |
2437 | } | |
2438 | ||
2439 | addr = read_size(data + field->offset, field->size); | |
2440 | ||
2441 | printk = find_printk(addr); | |
2442 | if (!printk) { | |
2443 | format = malloc_or_die(45); | |
2444 | sprintf(format, "%%pf : (NO FORMAT FOUND at %llx)\n", | |
2445 | addr); | |
2446 | return format; | |
2447 | } | |
2448 | ||
2449 | p = printk->printk; | |
2450 | /* Remove any quotes. */ | |
2451 | if (*p == '"') | |
2452 | p++; | |
2453 | format = malloc_or_die(strlen(p) + 10); | |
2454 | sprintf(format, "%s : %s", "%pf", p); | |
2455 | /* remove ending quotes and new line since we will add one too */ | |
2456 | p = format + strlen(format) - 1; | |
2457 | if (*p == '"') | |
2458 | *p = 0; | |
2459 | ||
2460 | p -= 2; | |
2461 | if (strcmp(p, "\\n") == 0) | |
2462 | *p = 0; | |
2463 | ||
2464 | return format; | |
2465 | } | |
2466 | ||
2467 | static void pretty_print(void *data, int size, struct event *event) | |
2468 | { | |
2469 | struct print_fmt *print_fmt = &event->print_fmt; | |
2470 | struct print_arg *arg = print_fmt->args; | |
2471 | struct print_arg *args = NULL; | |
2472 | const char *ptr = print_fmt->format; | |
2473 | unsigned long long val; | |
2474 | struct func_map *func; | |
2475 | const char *saveptr; | |
2476 | char *bprint_fmt = NULL; | |
2477 | char format[32]; | |
2478 | int show_func; | |
2479 | int len; | |
2480 | int ls; | |
2481 | ||
2482 | if (event->flags & EVENT_FL_ISFUNC) | |
2483 | ptr = " %pF <-- %pF"; | |
2484 | ||
2485 | if (event->flags & EVENT_FL_ISBPRINT) { | |
2486 | bprint_fmt = get_bprint_format(data, size, event); | |
2487 | args = make_bprint_args(bprint_fmt, data, size, event); | |
2488 | arg = args; | |
2489 | ptr = bprint_fmt; | |
2490 | } | |
2491 | ||
2492 | for (; *ptr; ptr++) { | |
2493 | ls = 0; | |
91ff2bc1 SR |
2494 | if (*ptr == '\\') { |
2495 | ptr++; | |
2496 | switch (*ptr) { | |
2497 | case 'n': | |
2498 | printf("\n"); | |
2499 | break; | |
2500 | case 't': | |
2501 | printf("\t"); | |
2502 | break; | |
2503 | case 'r': | |
2504 | printf("\r"); | |
2505 | break; | |
2506 | case '\\': | |
2507 | printf("\\"); | |
2508 | break; | |
2509 | default: | |
2510 | printf("%c", *ptr); | |
2511 | break; | |
2512 | } | |
2513 | ||
2514 | } else if (*ptr == '%') { | |
ea4010d1 SR |
2515 | saveptr = ptr; |
2516 | show_func = 0; | |
2517 | cont_process: | |
2518 | ptr++; | |
2519 | switch (*ptr) { | |
2520 | case '%': | |
2521 | printf("%%"); | |
2522 | break; | |
2523 | case 'l': | |
2524 | ls++; | |
2525 | goto cont_process; | |
2526 | case 'L': | |
2527 | ls = 2; | |
2528 | goto cont_process; | |
2529 | case 'z': | |
2530 | case 'Z': | |
2531 | case '0' ... '9': | |
2532 | goto cont_process; | |
2533 | case 'p': | |
2534 | if (long_size == 4) | |
2535 | ls = 1; | |
2536 | else | |
2537 | ls = 2; | |
2538 | ||
2539 | if (*(ptr+1) == 'F' || | |
2540 | *(ptr+1) == 'f') { | |
2541 | ptr++; | |
2542 | show_func = *ptr; | |
2543 | } | |
2544 | ||
2545 | /* fall through */ | |
2546 | case 'd': | |
2547 | case 'i': | |
2548 | case 'x': | |
2549 | case 'X': | |
2550 | case 'u': | |
2551 | if (!arg) | |
2552 | die("no argument match"); | |
2553 | ||
2554 | len = ((unsigned long)ptr + 1) - | |
2555 | (unsigned long)saveptr; | |
2556 | ||
2557 | /* should never happen */ | |
2558 | if (len > 32) | |
2559 | die("bad format!"); | |
2560 | ||
2561 | memcpy(format, saveptr, len); | |
2562 | format[len] = 0; | |
2563 | ||
2564 | val = eval_num_arg(data, size, event, arg); | |
2565 | arg = arg->next; | |
2566 | ||
2567 | if (show_func) { | |
2568 | func = find_func(val); | |
2569 | if (func) { | |
2570 | printf("%s", func->func); | |
2571 | if (show_func == 'F') | |
2572 | printf("+0x%llx", | |
2573 | val - func->addr); | |
2574 | break; | |
2575 | } | |
2576 | } | |
2577 | switch (ls) { | |
2578 | case 0: | |
2579 | printf(format, (int)val); | |
2580 | break; | |
2581 | case 1: | |
2582 | printf(format, (long)val); | |
2583 | break; | |
2584 | case 2: | |
2585 | printf(format, (long long)val); | |
2586 | break; | |
2587 | default: | |
2588 | die("bad count (%d)", ls); | |
2589 | } | |
2590 | break; | |
2591 | case 's': | |
2592 | if (!arg) | |
2593 | die("no matching argument"); | |
2594 | ||
2595 | print_str_arg(data, size, event, arg); | |
2596 | arg = arg->next; | |
2597 | break; | |
2598 | default: | |
2599 | printf(">%c<", *ptr); | |
2600 | ||
2601 | } | |
2602 | } else | |
2603 | printf("%c", *ptr); | |
2604 | } | |
2605 | ||
2606 | if (args) { | |
2607 | free_args(args); | |
2608 | free(bprint_fmt); | |
2609 | } | |
2610 | } | |
2611 | ||
2612 | static inline int log10_cpu(int nb) | |
2613 | { | |
2614 | if (nb / 100) | |
2615 | return 3; | |
2616 | if (nb / 10) | |
2617 | return 2; | |
2618 | return 1; | |
2619 | } | |
2620 | ||
cda48461 SR |
2621 | static void print_lat_fmt(void *data, int size __unused) |
2622 | { | |
2623 | unsigned int lat_flags; | |
2624 | unsigned int pc; | |
2625 | int lock_depth; | |
2626 | int hardirq; | |
2627 | int softirq; | |
2628 | ||
2629 | lat_flags = parse_common_flags(data); | |
2630 | pc = parse_common_pc(data); | |
2631 | lock_depth = parse_common_lock_depth(data); | |
2632 | ||
2633 | hardirq = lat_flags & TRACE_FLAG_HARDIRQ; | |
2634 | softirq = lat_flags & TRACE_FLAG_SOFTIRQ; | |
2635 | ||
2636 | printf("%c%c%c", | |
2637 | (lat_flags & TRACE_FLAG_IRQS_OFF) ? 'd' : | |
2638 | (lat_flags & TRACE_FLAG_IRQS_NOSUPPORT) ? | |
2639 | 'X' : '.', | |
2640 | (lat_flags & TRACE_FLAG_NEED_RESCHED) ? | |
2641 | 'N' : '.', | |
2642 | (hardirq && softirq) ? 'H' : | |
2643 | hardirq ? 'h' : softirq ? 's' : '.'); | |
2644 | ||
2645 | if (pc) | |
2646 | printf("%x", pc); | |
2647 | else | |
2648 | printf("."); | |
2649 | ||
2650 | if (lock_depth < 0) | |
2651 | printf("."); | |
2652 | else | |
2653 | printf("%d", lock_depth); | |
2654 | } | |
2655 | ||
ea4010d1 SR |
2656 | /* taken from Linux, written by Frederic Weisbecker */ |
2657 | static void print_graph_cpu(int cpu) | |
2658 | { | |
2659 | int i; | |
2660 | int log10_this = log10_cpu(cpu); | |
2661 | int log10_all = log10_cpu(cpus); | |
2662 | ||
2663 | ||
2664 | /* | |
2665 | * Start with a space character - to make it stand out | |
2666 | * to the right a bit when trace output is pasted into | |
2667 | * email: | |
2668 | */ | |
2669 | printf(" "); | |
2670 | ||
2671 | /* | |
2672 | * Tricky - we space the CPU field according to the max | |
2673 | * number of online CPUs. On a 2-cpu system it would take | |
2674 | * a maximum of 1 digit - on a 128 cpu system it would | |
2675 | * take up to 3 digits: | |
2676 | */ | |
2677 | for (i = 0; i < log10_all - log10_this; i++) | |
2678 | printf(" "); | |
2679 | ||
2680 | printf("%d) ", cpu); | |
2681 | } | |
2682 | ||
2683 | #define TRACE_GRAPH_PROCINFO_LENGTH 14 | |
2684 | #define TRACE_GRAPH_INDENT 2 | |
2685 | ||
2686 | static void print_graph_proc(int pid, const char *comm) | |
2687 | { | |
2688 | /* sign + log10(MAX_INT) + '\0' */ | |
2689 | char pid_str[11]; | |
2690 | int spaces = 0; | |
2691 | int len; | |
2692 | int i; | |
2693 | ||
2694 | sprintf(pid_str, "%d", pid); | |
2695 | ||
2696 | /* 1 stands for the "-" character */ | |
2697 | len = strlen(comm) + strlen(pid_str) + 1; | |
2698 | ||
2699 | if (len < TRACE_GRAPH_PROCINFO_LENGTH) | |
2700 | spaces = TRACE_GRAPH_PROCINFO_LENGTH - len; | |
2701 | ||
2702 | /* First spaces to align center */ | |
2703 | for (i = 0; i < spaces / 2; i++) | |
2704 | printf(" "); | |
2705 | ||
2706 | printf("%s-%s", comm, pid_str); | |
2707 | ||
2708 | /* Last spaces to align center */ | |
2709 | for (i = 0; i < spaces - (spaces / 2); i++) | |
2710 | printf(" "); | |
2711 | } | |
2712 | ||
2713 | static struct record * | |
2714 | get_return_for_leaf(int cpu, int cur_pid, unsigned long long cur_func, | |
2715 | struct record *next) | |
2716 | { | |
2717 | struct format_field *field; | |
2718 | struct event *event; | |
2719 | unsigned long val; | |
2720 | int type; | |
2721 | int pid; | |
2722 | ||
ec156764 IM |
2723 | type = trace_parse_common_type(next->data); |
2724 | event = trace_find_event(type); | |
ea4010d1 SR |
2725 | if (!event) |
2726 | return NULL; | |
2727 | ||
2728 | if (!(event->flags & EVENT_FL_ISFUNCRET)) | |
2729 | return NULL; | |
2730 | ||
16c632de | 2731 | pid = trace_parse_common_pid(next->data); |
ea4010d1 SR |
2732 | field = find_field(event, "func"); |
2733 | if (!field) | |
2734 | die("function return does not have field func"); | |
2735 | ||
2736 | val = read_size(next->data + field->offset, field->size); | |
2737 | ||
2738 | if (cur_pid != pid || cur_func != val) | |
2739 | return NULL; | |
2740 | ||
2741 | /* this is a leaf, now advance the iterator */ | |
2742 | return trace_read_data(cpu); | |
2743 | } | |
2744 | ||
2745 | /* Signal a overhead of time execution to the output */ | |
2746 | static void print_graph_overhead(unsigned long long duration) | |
2747 | { | |
2748 | /* Non nested entry or return */ | |
2749 | if (duration == ~0ULL) | |
2750 | return (void)printf(" "); | |
2751 | ||
2752 | /* Duration exceeded 100 msecs */ | |
2753 | if (duration > 100000ULL) | |
2754 | return (void)printf("! "); | |
2755 | ||
2756 | /* Duration exceeded 10 msecs */ | |
2757 | if (duration > 10000ULL) | |
2758 | return (void)printf("+ "); | |
2759 | ||
2760 | printf(" "); | |
2761 | } | |
2762 | ||
2763 | static void print_graph_duration(unsigned long long duration) | |
2764 | { | |
2765 | unsigned long usecs = duration / 1000; | |
2766 | unsigned long nsecs_rem = duration % 1000; | |
2767 | /* log10(ULONG_MAX) + '\0' */ | |
2768 | char msecs_str[21]; | |
2769 | char nsecs_str[5]; | |
2770 | int len; | |
2771 | int i; | |
2772 | ||
2773 | sprintf(msecs_str, "%lu", usecs); | |
2774 | ||
2775 | /* Print msecs */ | |
2776 | len = printf("%lu", usecs); | |
2777 | ||
2778 | /* Print nsecs (we don't want to exceed 7 numbers) */ | |
2779 | if (len < 7) { | |
2780 | snprintf(nsecs_str, 8 - len, "%03lu", nsecs_rem); | |
2781 | len += printf(".%s", nsecs_str); | |
2782 | } | |
2783 | ||
2784 | printf(" us "); | |
2785 | ||
2786 | /* Print remaining spaces to fit the row's width */ | |
2787 | for (i = len; i < 7; i++) | |
2788 | printf(" "); | |
2789 | ||
2790 | printf("| "); | |
2791 | } | |
2792 | ||
2793 | static void | |
2794 | print_graph_entry_leaf(struct event *event, void *data, struct record *ret_rec) | |
2795 | { | |
2796 | unsigned long long rettime, calltime; | |
2797 | unsigned long long duration, depth; | |
2798 | unsigned long long val; | |
2799 | struct format_field *field; | |
2800 | struct func_map *func; | |
2801 | struct event *ret_event; | |
2802 | int type; | |
2803 | int i; | |
2804 | ||
ec156764 IM |
2805 | type = trace_parse_common_type(ret_rec->data); |
2806 | ret_event = trace_find_event(type); | |
ea4010d1 SR |
2807 | |
2808 | field = find_field(ret_event, "rettime"); | |
2809 | if (!field) | |
2810 | die("can't find rettime in return graph"); | |
2811 | rettime = read_size(ret_rec->data + field->offset, field->size); | |
2812 | ||
2813 | field = find_field(ret_event, "calltime"); | |
2814 | if (!field) | |
2815 | die("can't find rettime in return graph"); | |
2816 | calltime = read_size(ret_rec->data + field->offset, field->size); | |
2817 | ||
2818 | duration = rettime - calltime; | |
2819 | ||
2820 | /* Overhead */ | |
2821 | print_graph_overhead(duration); | |
2822 | ||
2823 | /* Duration */ | |
2824 | print_graph_duration(duration); | |
2825 | ||
2826 | field = find_field(event, "depth"); | |
2827 | if (!field) | |
2828 | die("can't find depth in entry graph"); | |
2829 | depth = read_size(data + field->offset, field->size); | |
2830 | ||
2831 | /* Function */ | |
2832 | for (i = 0; i < (int)(depth * TRACE_GRAPH_INDENT); i++) | |
2833 | printf(" "); | |
2834 | ||
2835 | field = find_field(event, "func"); | |
2836 | if (!field) | |
2837 | die("can't find func in entry graph"); | |
2838 | val = read_size(data + field->offset, field->size); | |
2839 | func = find_func(val); | |
2840 | ||
2841 | if (func) | |
2842 | printf("%s();", func->func); | |
2843 | else | |
2844 | printf("%llx();", val); | |
2845 | } | |
2846 | ||
2847 | static void print_graph_nested(struct event *event, void *data) | |
2848 | { | |
2849 | struct format_field *field; | |
2850 | unsigned long long depth; | |
2851 | unsigned long long val; | |
2852 | struct func_map *func; | |
2853 | int i; | |
2854 | ||
2855 | /* No overhead */ | |
2856 | print_graph_overhead(-1); | |
2857 | ||
2858 | /* No time */ | |
2859 | printf(" | "); | |
2860 | ||
2861 | field = find_field(event, "depth"); | |
2862 | if (!field) | |
2863 | die("can't find depth in entry graph"); | |
2864 | depth = read_size(data + field->offset, field->size); | |
2865 | ||
2866 | /* Function */ | |
2867 | for (i = 0; i < (int)(depth * TRACE_GRAPH_INDENT); i++) | |
2868 | printf(" "); | |
2869 | ||
2870 | field = find_field(event, "func"); | |
2871 | if (!field) | |
2872 | die("can't find func in entry graph"); | |
2873 | val = read_size(data + field->offset, field->size); | |
2874 | func = find_func(val); | |
2875 | ||
2876 | if (func) | |
2877 | printf("%s() {", func->func); | |
2878 | else | |
2879 | printf("%llx() {", val); | |
2880 | } | |
2881 | ||
2882 | static void | |
2883 | pretty_print_func_ent(void *data, int size, struct event *event, | |
2884 | int cpu, int pid, const char *comm, | |
2885 | unsigned long secs, unsigned long usecs) | |
2886 | { | |
2887 | struct format_field *field; | |
2888 | struct record *rec; | |
2889 | void *copy_data; | |
2890 | unsigned long val; | |
2891 | ||
2892 | printf("%5lu.%06lu | ", secs, usecs); | |
2893 | ||
2894 | print_graph_cpu(cpu); | |
2895 | print_graph_proc(pid, comm); | |
2896 | ||
2897 | printf(" | "); | |
2898 | ||
cda48461 SR |
2899 | if (latency_format) { |
2900 | print_lat_fmt(data, size); | |
2901 | printf(" | "); | |
2902 | } | |
2903 | ||
ea4010d1 SR |
2904 | field = find_field(event, "func"); |
2905 | if (!field) | |
2906 | die("function entry does not have func field"); | |
2907 | ||
2908 | val = read_size(data + field->offset, field->size); | |
2909 | ||
2910 | /* | |
2911 | * peek_data may unmap the data pointer. Copy it first. | |
2912 | */ | |
2913 | copy_data = malloc_or_die(size); | |
2914 | memcpy(copy_data, data, size); | |
2915 | data = copy_data; | |
2916 | ||
2917 | rec = trace_peek_data(cpu); | |
2918 | if (rec) { | |
2919 | rec = get_return_for_leaf(cpu, pid, val, rec); | |
2920 | if (rec) { | |
2921 | print_graph_entry_leaf(event, data, rec); | |
2922 | goto out_free; | |
2923 | } | |
2924 | } | |
2925 | print_graph_nested(event, data); | |
2926 | out_free: | |
2927 | free(data); | |
2928 | } | |
2929 | ||
2930 | static void | |
2931 | pretty_print_func_ret(void *data, int size __unused, struct event *event, | |
2932 | int cpu, int pid, const char *comm, | |
2933 | unsigned long secs, unsigned long usecs) | |
2934 | { | |
2935 | unsigned long long rettime, calltime; | |
2936 | unsigned long long duration, depth; | |
2937 | struct format_field *field; | |
2938 | int i; | |
2939 | ||
2940 | printf("%5lu.%06lu | ", secs, usecs); | |
2941 | ||
2942 | print_graph_cpu(cpu); | |
2943 | print_graph_proc(pid, comm); | |
2944 | ||
2945 | printf(" | "); | |
2946 | ||
cda48461 SR |
2947 | if (latency_format) { |
2948 | print_lat_fmt(data, size); | |
2949 | printf(" | "); | |
2950 | } | |
2951 | ||
ea4010d1 SR |
2952 | field = find_field(event, "rettime"); |
2953 | if (!field) | |
2954 | die("can't find rettime in return graph"); | |
2955 | rettime = read_size(data + field->offset, field->size); | |
2956 | ||
2957 | field = find_field(event, "calltime"); | |
2958 | if (!field) | |
2959 | die("can't find calltime in return graph"); | |
2960 | calltime = read_size(data + field->offset, field->size); | |
2961 | ||
2962 | duration = rettime - calltime; | |
2963 | ||
2964 | /* Overhead */ | |
2965 | print_graph_overhead(duration); | |
2966 | ||
2967 | /* Duration */ | |
2968 | print_graph_duration(duration); | |
2969 | ||
2970 | field = find_field(event, "depth"); | |
2971 | if (!field) | |
2972 | die("can't find depth in entry graph"); | |
2973 | depth = read_size(data + field->offset, field->size); | |
2974 | ||
2975 | /* Function */ | |
2976 | for (i = 0; i < (int)(depth * TRACE_GRAPH_INDENT); i++) | |
2977 | printf(" "); | |
2978 | ||
2979 | printf("}"); | |
2980 | } | |
2981 | ||
2982 | static void | |
2983 | pretty_print_func_graph(void *data, int size, struct event *event, | |
2984 | int cpu, int pid, const char *comm, | |
2985 | unsigned long secs, unsigned long usecs) | |
2986 | { | |
2987 | if (event->flags & EVENT_FL_ISFUNCENT) | |
2988 | pretty_print_func_ent(data, size, event, | |
2989 | cpu, pid, comm, secs, usecs); | |
2990 | else if (event->flags & EVENT_FL_ISFUNCRET) | |
2991 | pretty_print_func_ret(data, size, event, | |
2992 | cpu, pid, comm, secs, usecs); | |
2993 | printf("\n"); | |
2994 | } | |
2995 | ||
2996 | void print_event(int cpu, void *data, int size, unsigned long long nsecs, | |
2997 | char *comm) | |
2998 | { | |
2999 | struct event *event; | |
3000 | unsigned long secs; | |
3001 | unsigned long usecs; | |
3002 | int type; | |
3003 | int pid; | |
3004 | ||
3005 | secs = nsecs / NSECS_PER_SEC; | |
3006 | nsecs -= secs * NSECS_PER_SEC; | |
3007 | usecs = nsecs / NSECS_PER_USEC; | |
3008 | ||
ec156764 | 3009 | type = trace_parse_common_type(data); |
ea4010d1 | 3010 | |
ec156764 | 3011 | event = trace_find_event(type); |
ea57c4f5 | 3012 | if (!event) { |
07a4bddd | 3013 | warning("ug! no event found for type %d", type); |
ea57c4f5 IM |
3014 | return; |
3015 | } | |
ea4010d1 | 3016 | |
16c632de | 3017 | pid = trace_parse_common_pid(data); |
ea4010d1 SR |
3018 | |
3019 | if (event->flags & (EVENT_FL_ISFUNCENT | EVENT_FL_ISFUNCRET)) | |
3020 | return pretty_print_func_graph(data, size, event, cpu, | |
3021 | pid, comm, secs, usecs); | |
3022 | ||
cda48461 SR |
3023 | if (latency_format) { |
3024 | printf("%8.8s-%-5d %3d", | |
3025 | comm, pid, cpu); | |
3026 | print_lat_fmt(data, size); | |
3027 | } else | |
3028 | printf("%16s-%-5d [%03d]", comm, pid, cpu); | |
3029 | ||
3030 | printf(" %5lu.%06lu: %s: ", secs, usecs, event->name); | |
ea4010d1 | 3031 | |
07a4bddd SR |
3032 | if (event->flags & EVENT_FL_FAILED) { |
3033 | printf("EVENT '%s' FAILED TO PARSE\n", | |
3034 | event->name); | |
3035 | return; | |
3036 | } | |
3037 | ||
ea4010d1 SR |
3038 | pretty_print(data, size, event); |
3039 | printf("\n"); | |
3040 | } | |
3041 | ||
3042 | static void print_fields(struct print_flag_sym *field) | |
3043 | { | |
3044 | printf("{ %s, %s }", field->value, field->str); | |
3045 | if (field->next) { | |
3046 | printf(", "); | |
3047 | print_fields(field->next); | |
3048 | } | |
3049 | } | |
3050 | ||
3051 | static void print_args(struct print_arg *args) | |
3052 | { | |
3053 | int print_paren = 1; | |
3054 | ||
3055 | switch (args->type) { | |
3056 | case PRINT_NULL: | |
3057 | printf("null"); | |
3058 | break; | |
3059 | case PRINT_ATOM: | |
3060 | printf("%s", args->atom.atom); | |
3061 | break; | |
3062 | case PRINT_FIELD: | |
3063 | printf("REC->%s", args->field.name); | |
3064 | break; | |
3065 | case PRINT_FLAGS: | |
3066 | printf("__print_flags("); | |
3067 | print_args(args->flags.field); | |
3068 | printf(", %s, ", args->flags.delim); | |
3069 | print_fields(args->flags.flags); | |
3070 | printf(")"); | |
3071 | break; | |
3072 | case PRINT_SYMBOL: | |
3073 | printf("__print_symbolic("); | |
3074 | print_args(args->symbol.field); | |
3075 | printf(", "); | |
3076 | print_fields(args->symbol.symbols); | |
3077 | printf(")"); | |
3078 | break; | |
3079 | case PRINT_STRING: | |
3080 | printf("__get_str(%s)", args->string.string); | |
3081 | break; | |
3082 | case PRINT_TYPE: | |
3083 | printf("(%s)", args->typecast.type); | |
3084 | print_args(args->typecast.item); | |
3085 | break; | |
3086 | case PRINT_OP: | |
3087 | if (strcmp(args->op.op, ":") == 0) | |
3088 | print_paren = 0; | |
3089 | if (print_paren) | |
3090 | printf("("); | |
3091 | print_args(args->op.left); | |
3092 | printf(" %s ", args->op.op); | |
3093 | print_args(args->op.right); | |
3094 | if (print_paren) | |
3095 | printf(")"); | |
3096 | break; | |
3097 | default: | |
3098 | /* we should warn... */ | |
3099 | return; | |
3100 | } | |
3101 | if (args->next) { | |
3102 | printf("\n"); | |
3103 | print_args(args->next); | |
3104 | } | |
3105 | } | |
3106 | ||
c4dc775f | 3107 | static void parse_header_field(const char *field, |
e9e94e3b | 3108 | int *offset, int *size, bool warn) |
ea4010d1 SR |
3109 | { |
3110 | char *token; | |
13999e59 | 3111 | int type; |
ea4010d1 | 3112 | |
c4dc775f | 3113 | if (read_expected(EVENT_ITEM, "field") < 0) |
ea4010d1 | 3114 | return; |
c4dc775f | 3115 | if (read_expected(EVENT_OP, ":") < 0) |
ea4010d1 | 3116 | return; |
13999e59 | 3117 | |
ea4010d1 SR |
3118 | /* type */ |
3119 | if (read_expect_type(EVENT_ITEM, &token) < 0) | |
13999e59 | 3120 | goto fail; |
ea4010d1 SR |
3121 | free_token(token); |
3122 | ||
e9e94e3b | 3123 | if (read_expected_warn(EVENT_ITEM, field, warn) < 0) |
ea4010d1 | 3124 | return; |
c4dc775f | 3125 | if (read_expected(EVENT_OP, ";") < 0) |
ea4010d1 | 3126 | return; |
c4dc775f | 3127 | if (read_expected(EVENT_ITEM, "offset") < 0) |
ea4010d1 | 3128 | return; |
c4dc775f | 3129 | if (read_expected(EVENT_OP, ":") < 0) |
ea4010d1 SR |
3130 | return; |
3131 | if (read_expect_type(EVENT_ITEM, &token) < 0) | |
13999e59 | 3132 | goto fail; |
ea4010d1 SR |
3133 | *offset = atoi(token); |
3134 | free_token(token); | |
c4dc775f | 3135 | if (read_expected(EVENT_OP, ";") < 0) |
ea4010d1 | 3136 | return; |
c4dc775f | 3137 | if (read_expected(EVENT_ITEM, "size") < 0) |
ea4010d1 | 3138 | return; |
c4dc775f | 3139 | if (read_expected(EVENT_OP, ":") < 0) |
ea4010d1 SR |
3140 | return; |
3141 | if (read_expect_type(EVENT_ITEM, &token) < 0) | |
13999e59 | 3142 | goto fail; |
ea4010d1 SR |
3143 | *size = atoi(token); |
3144 | free_token(token); | |
c4dc775f | 3145 | if (read_expected(EVENT_OP, ";") < 0) |
26a50744 | 3146 | return; |
13999e59 SR |
3147 | type = read_token(&token); |
3148 | if (type != EVENT_NEWLINE) { | |
3149 | /* newer versions of the kernel have a "signed" type */ | |
3150 | if (type != EVENT_ITEM) | |
3151 | goto fail; | |
3152 | ||
c4dc775f | 3153 | if (strcmp(token, "signed") != 0) |
13999e59 SR |
3154 | goto fail; |
3155 | ||
3156 | free_token(token); | |
3157 | ||
c4dc775f | 3158 | if (read_expected(EVENT_OP, ":") < 0) |
13999e59 SR |
3159 | return; |
3160 | ||
3161 | if (read_expect_type(EVENT_ITEM, &token)) | |
3162 | goto fail; | |
3163 | ||
3164 | free_token(token); | |
c4dc775f | 3165 | if (read_expected(EVENT_OP, ";") < 0) |
13999e59 SR |
3166 | return; |
3167 | ||
3168 | if (read_expect_type(EVENT_NEWLINE, &token)) | |
3169 | goto fail; | |
3170 | } | |
3171 | fail: | |
ea4010d1 SR |
3172 | free_token(token); |
3173 | } | |
3174 | ||
3175 | int parse_header_page(char *buf, unsigned long size) | |
3176 | { | |
3177 | init_input_buf(buf, size); | |
3178 | ||
c4dc775f | 3179 | parse_header_field("timestamp", &header_page_ts_offset, |
e9e94e3b | 3180 | &header_page_ts_size, true); |
c4dc775f | 3181 | parse_header_field("commit", &header_page_size_offset, |
e9e94e3b ACM |
3182 | &header_page_size_size, true); |
3183 | parse_header_field("overwrite", &header_page_overwrite_offset, | |
3184 | &header_page_overwrite_size, false); | |
c4dc775f | 3185 | parse_header_field("data", &header_page_data_offset, |
e9e94e3b | 3186 | &header_page_data_size, true); |
ea4010d1 SR |
3187 | |
3188 | return 0; | |
3189 | } | |
3190 | ||
3191 | int parse_ftrace_file(char *buf, unsigned long size) | |
3192 | { | |
3193 | struct format_field *field; | |
3194 | struct print_arg *arg, **list; | |
3195 | struct event *event; | |
3196 | int ret; | |
3197 | ||
3198 | init_input_buf(buf, size); | |
3199 | ||
3200 | event = alloc_event(); | |
3201 | if (!event) | |
3202 | return -ENOMEM; | |
3203 | ||
3204 | event->flags |= EVENT_FL_ISFTRACE; | |
3205 | ||
3206 | event->name = event_read_name(); | |
3207 | if (!event->name) | |
3208 | die("failed to read ftrace event name"); | |
3209 | ||
3210 | if (strcmp(event->name, "function") == 0) | |
3211 | event->flags |= EVENT_FL_ISFUNC; | |
3212 | ||
3213 | else if (strcmp(event->name, "funcgraph_entry") == 0) | |
3214 | event->flags |= EVENT_FL_ISFUNCENT; | |
3215 | ||
3216 | else if (strcmp(event->name, "funcgraph_exit") == 0) | |
3217 | event->flags |= EVENT_FL_ISFUNCRET; | |
3218 | ||
3219 | else if (strcmp(event->name, "bprint") == 0) | |
3220 | event->flags |= EVENT_FL_ISBPRINT; | |
3221 | ||
3222 | event->id = event_read_id(); | |
3223 | if (event->id < 0) | |
3224 | die("failed to read ftrace event id"); | |
3225 | ||
3226 | add_event(event); | |
3227 | ||
3228 | ret = event_read_format(event); | |
3229 | if (ret < 0) | |
3230 | die("failed to read ftrace event format"); | |
3231 | ||
3232 | ret = event_read_print(event); | |
3233 | if (ret < 0) | |
3234 | die("failed to read ftrace event print fmt"); | |
3235 | ||
0d1da915 SR |
3236 | /* New ftrace handles args */ |
3237 | if (ret > 0) | |
3238 | return 0; | |
ea4010d1 SR |
3239 | /* |
3240 | * The arguments for ftrace files are parsed by the fields. | |
3241 | * Set up the fields as their arguments. | |
3242 | */ | |
3243 | list = &event->print_fmt.args; | |
3244 | for (field = event->format.fields; field; field = field->next) { | |
3245 | arg = malloc_or_die(sizeof(*arg)); | |
3246 | memset(arg, 0, sizeof(*arg)); | |
3247 | *list = arg; | |
3248 | list = &arg->next; | |
3249 | arg->type = PRINT_FIELD; | |
3250 | arg->field.name = field->name; | |
3251 | arg->field.field = field; | |
3252 | } | |
3253 | return 0; | |
3254 | } | |
3255 | ||
27746018 | 3256 | int parse_event_file(char *buf, unsigned long size, char *sys) |
ea4010d1 SR |
3257 | { |
3258 | struct event *event; | |
3259 | int ret; | |
3260 | ||
3261 | init_input_buf(buf, size); | |
3262 | ||
3263 | event = alloc_event(); | |
3264 | if (!event) | |
3265 | return -ENOMEM; | |
3266 | ||
3267 | event->name = event_read_name(); | |
3268 | if (!event->name) | |
3269 | die("failed to read event name"); | |
3270 | ||
3271 | event->id = event_read_id(); | |
3272 | if (event->id < 0) | |
3273 | die("failed to read event id"); | |
3274 | ||
3275 | ret = event_read_format(event); | |
07a4bddd SR |
3276 | if (ret < 0) { |
3277 | warning("failed to read event format for %s", event->name); | |
3278 | goto event_failed; | |
3279 | } | |
ea4010d1 SR |
3280 | |
3281 | ret = event_read_print(event); | |
07a4bddd SR |
3282 | if (ret < 0) { |
3283 | warning("failed to read event print fmt for %s", event->name); | |
3284 | goto event_failed; | |
3285 | } | |
ea4010d1 | 3286 | |
27746018 TZ |
3287 | event->system = strdup(sys); |
3288 | ||
ea4010d1 SR |
3289 | #define PRINT_ARGS 0 |
3290 | if (PRINT_ARGS && event->print_fmt.args) | |
3291 | print_args(event->print_fmt.args); | |
3292 | ||
3293 | add_event(event); | |
3294 | return 0; | |
07a4bddd SR |
3295 | |
3296 | event_failed: | |
3297 | event->flags |= EVENT_FL_FAILED; | |
3298 | /* still add it even if it failed */ | |
3299 | add_event(event); | |
3300 | return -1; | |
ea4010d1 SR |
3301 | } |
3302 | ||
3303 | void parse_set_info(int nr_cpus, int long_sz) | |
3304 | { | |
3305 | cpus = nr_cpus; | |
3306 | long_size = long_sz; | |
3307 | } | |
7397d80d TZ |
3308 | |
3309 | int common_pc(struct scripting_context *context) | |
3310 | { | |
3311 | return parse_common_pc(context->event_data); | |
3312 | } | |
3313 | ||
3314 | int common_flags(struct scripting_context *context) | |
3315 | { | |
3316 | return parse_common_flags(context->event_data); | |
3317 | } | |
3318 | ||
3319 | int common_lock_depth(struct scripting_context *context) | |
3320 | { | |
3321 | return parse_common_lock_depth(context->event_data); | |
3322 | } |