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