aboutsummaryrefslogtreecommitdiffstats
path: root/tools/perf/util
diff options
context:
space:
mode:
Diffstat (limited to 'tools/perf/util')
-rw-r--r--tools/perf/util/scripting-engines/trace-event-python.c16
-rw-r--r--tools/perf/util/trace-event-info.c4
-rw-r--r--tools/perf/util/trace-event-parse.c3142
-rw-r--r--tools/perf/util/trace-event-read.c44
-rw-r--r--tools/perf/util/trace-event.h269
5 files changed, 241 insertions, 3234 deletions
diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c
index c2623c6f9b51..acb9795286c4 100644
--- a/tools/perf/util/scripting-engines/trace-event-python.c
+++ b/tools/perf/util/scripting-engines/trace-event-python.c
@@ -37,7 +37,7 @@ PyMODINIT_FUNC initperf_trace_context(void);
37#define FTRACE_MAX_EVENT \ 37#define FTRACE_MAX_EVENT \
38 ((1 << (sizeof(unsigned short) * 8)) - 1) 38 ((1 << (sizeof(unsigned short) * 8)) - 1)
39 39
40struct event *events[FTRACE_MAX_EVENT]; 40struct event_format *events[FTRACE_MAX_EVENT];
41 41
42#define MAX_FIELDS 64 42#define MAX_FIELDS 64
43#define N_COMMON_FIELDS 7 43#define N_COMMON_FIELDS 7
@@ -136,7 +136,7 @@ static void define_field(enum print_arg_type field_type,
136 Py_DECREF(t); 136 Py_DECREF(t);
137} 137}
138 138
139static void define_event_symbols(struct event *event, 139static void define_event_symbols(struct event_format *event,
140 const char *ev_name, 140 const char *ev_name,
141 struct print_arg *args) 141 struct print_arg *args)
142{ 142{
@@ -178,6 +178,10 @@ static void define_event_symbols(struct event *event,
178 define_event_symbols(event, ev_name, args->op.right); 178 define_event_symbols(event, ev_name, args->op.right);
179 break; 179 break;
180 default: 180 default:
181 /* gcc warns for these? */
182 case PRINT_BSTRING:
183 case PRINT_DYNAMIC_ARRAY:
184 case PRINT_FUNC:
181 /* we should warn... */ 185 /* we should warn... */
182 return; 186 return;
183 } 187 }
@@ -186,10 +190,10 @@ static void define_event_symbols(struct event *event,
186 define_event_symbols(event, ev_name, args->next); 190 define_event_symbols(event, ev_name, args->next);
187} 191}
188 192
189static inline struct event *find_cache_event(int type) 193static inline struct event_format *find_cache_event(int type)
190{ 194{
191 static char ev_name[256]; 195 static char ev_name[256];
192 struct event *event; 196 struct event_format *event;
193 197
194 if (events[type]) 198 if (events[type])
195 return events[type]; 199 return events[type];
@@ -216,7 +220,7 @@ static void python_process_event(union perf_event *pevent __unused,
216 struct format_field *field; 220 struct format_field *field;
217 unsigned long long val; 221 unsigned long long val;
218 unsigned long s, ns; 222 unsigned long s, ns;
219 struct event *event; 223 struct event_format *event;
220 unsigned n = 0; 224 unsigned n = 0;
221 int type; 225 int type;
222 int pid; 226 int pid;
@@ -436,7 +440,7 @@ out:
436 440
437static int python_generate_script(const char *outfile) 441static int python_generate_script(const char *outfile)
438{ 442{
439 struct event *event = NULL; 443 struct event_format *event = NULL;
440 struct format_field *f; 444 struct format_field *f;
441 char fname[PATH_MAX]; 445 char fname[PATH_MAX];
442 int not_first, count; 446 int not_first, count;
diff --git a/tools/perf/util/trace-event-info.c b/tools/perf/util/trace-event-info.c
index fc22cf5c605f..a8d81c35ef66 100644
--- a/tools/perf/util/trace-event-info.c
+++ b/tools/perf/util/trace-event-info.c
@@ -68,7 +68,7 @@ struct events {
68}; 68};
69 69
70 70
71void *malloc_or_die(unsigned int size) 71static void *malloc_or_die(unsigned int size)
72{ 72{
73 void *data; 73 void *data;
74 74
@@ -448,6 +448,8 @@ static void tracing_data_header(void)
448 else 448 else
449 buf[0] = 0; 449 buf[0] = 0;
450 450
451 read_trace_init(buf[0], buf[0]);
452
451 write_or_die(buf, 1); 453 write_or_die(buf, 1);
452 454
453 /* save size of long */ 455 /* save size of long */
diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c
index dfd1bd8371a4..df2fddbf0cd2 100644
--- a/tools/perf/util/trace-event-parse.c
+++ b/tools/perf/util/trace-event-parse.c
@@ -17,2169 +17,305 @@
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 * 18 *
19 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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 */ 20 */
24
25#include <stdio.h> 21#include <stdio.h>
26#include <stdlib.h> 22#include <stdlib.h>
27#include <string.h> 23#include <string.h>
24#include <ctype.h>
28#include <errno.h> 25#include <errno.h>
29 26
30#include "../perf.h" 27#include "../perf.h"
31#include "util.h" 28#include "util.h"
32#include "trace-event.h" 29#include "trace-event.h"
33 30
34int header_page_ts_offset;
35int header_page_ts_size;
36int header_page_size_offset;
37int header_page_size_size; 31int header_page_size_size;
38int header_page_overwrite_offset; 32int header_page_ts_size;
39int header_page_overwrite_size;
40int header_page_data_offset; 33int header_page_data_offset;
41int header_page_data_size;
42
43bool latency_format;
44
45static char *input_buf;
46static unsigned long long input_buf_ptr;
47static unsigned long long input_buf_siz;
48
49static int cpus;
50static int long_size;
51static int is_flag_field;
52static int is_symbolic_field;
53
54static struct format_field *
55find_any_field(struct event *event, const char *name);
56
57static 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
64struct cmdline {
65 char *comm;
66 int pid;
67};
68
69static struct cmdline *cmdlines;
70static int cmdline_count;
71
72static 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 34
85void parse_cmdlines(char *file, int size __unused) 35struct pevent *perf_pevent;
86{ 36static struct pevent *pevent;
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 37
96 line = strtok_r(file, "\n", &next); 38bool latency_format;
97 while (line) {
98 item = malloc_or_die(sizeof(*item));
99 sscanf(line, "%d %as", &item->pid,
100 (float *)(void *)&item->comm); /* workaround gcc warning */
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
122static struct func_map {
123 unsigned long long addr;
124 char *func;
125 char *mod;
126} *func_list;
127static unsigned int func_count;
128
129static 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
142void 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 __used;
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",
162 (float *)(void *)&addr_str, /* workaround gcc warning */
163 &ch,
164 (float *)(void *)&item->func,
165 (float *)(void *)&item->mod);
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 39
203/* 40int read_trace_init(int file_bigendian, int host_bigendian)
204 * We are searching for a record in between, not an exact
205 * match.
206 */
207static int func_bcmp(const void *a, const void *b)
208{ 41{
209 const struct func_map *fa = a; 42 if (pevent)
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; 43 return 0;
217 44
218 if (fa->addr < fb->addr) 45 perf_pevent = pevent_alloc();
219 return -1; 46 pevent = perf_pevent;
220
221 return 1;
222}
223
224static 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
237void 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 47
252static struct printk_map { 48 pevent_set_flag(pevent, PEVENT_NSEC_OUTPUT);
253 unsigned long long addr; 49 pevent_set_file_bigendian(pevent, file_bigendian);
254 char *printk; 50 pevent_set_host_bigendian(pevent, host_bigendian);
255} *printk_list;
256static unsigned int printk_count;
257
258static 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 51
268 return 0; 52 return 0;
269} 53}
270 54
271static struct printk_map *find_printk(unsigned long long addr) 55static int get_common_field(struct scripting_context *context,
272{ 56 int *offset, int *size, const char *type)
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
284void 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;
294 int i;
295
296 line = strtok_r(file, "\n", &next);
297 while (line) {
298 addr_str = strsep(&line, ":");
299 if (!line) {
300 warning("error parsing print strings");
301 break;
302 }
303 item = malloc_or_die(sizeof(*item));
304 item->addr = strtoull(addr_str, NULL, 16);
305 /* fmt still has a space, skip it */
306 item->printk = strdup(line+1);
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
328void 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
339static 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
349enum 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
361static struct event *event_list;
362
363static void add_event(struct event *event)
364{ 57{
365 event->next = event_list; 58 struct event_format *event;
366 event_list = event; 59 struct format_field *field;
367}
368
369static 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
380static 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
400static 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
420static 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
428static 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
436static 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;
533 /* the '\' '\' will cancel itself */
534 if (ch == '\\' && last_ch == '\\')
535 last_ch = 0;
536 } while (ch != quote_ch || last_ch == '\\');
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
582static void free_token(char *tok)
583{
584 if (tok)
585 free(tok);
586}
587
588static 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 */
605static 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
621static int test_type(enum event_type type, enum event_type expect)
622{
623 if (type != expect) {
624 warning("Error: expected type %d but read %d",
625 expect, type);
626 return -1;
627 }
628 return 0;
629}
630 60
631static int __test_type_token(enum event_type type, char *token, 61 if (!*size) {
632 enum event_type expect, const char *expect_tok, 62 if (!pevent->events)
633 bool warn) 63 return 0;
634{
635 if (type != expect) {
636 if (warn)
637 warning("Error: expected type %d but read %d",
638 expect, type);
639 return -1;
640 }
641 64
642 if (strcmp(token, expect_tok) != 0) { 65 event = pevent->events[0];
643 if (warn) 66 field = pevent_find_common_field(event, type);
644 warning("Error: expected '%s' but read '%s'", 67 if (!field)
645 expect_tok, token); 68 return 0;
646 return -1; 69 *offset = field->offset;
70 *size = field->size;
647 } 71 }
648 return 0;
649}
650 72
651static int test_type_token(enum event_type type, char *token, 73 return pevent_read_number(pevent, context->event_data + *offset, *size);
652 enum event_type expect, const char *expect_tok)
653{
654 return __test_type_token(type, token, expect, expect_tok, true);
655} 74}
656 75
657static int __read_expect_type(enum event_type expect, char **tok, int newline_ok) 76int common_lock_depth(struct scripting_context *context)
658{
659 enum event_type type;
660
661 if (newline_ok)
662 type = read_token(tok);
663 else
664 type = read_token_item(tok);
665 return test_type(type, expect);
666}
667
668static int read_expect_type(enum event_type expect, char **tok)
669{
670 return __read_expect_type(expect, tok, 1);
671}
672
673static int __read_expected(enum event_type expect, const char *str,
674 int newline_ok, bool warn)
675{ 77{
676 enum event_type type; 78 static int offset;
677 char *token; 79 static int size;
678 int ret; 80 int ret;
679 81
680 if (newline_ok) 82 ret = get_common_field(context, &size, &offset,
681 type = read_token(&token); 83 "common_lock_depth");
682 else 84 if (ret < 0)
683 type = read_token_item(&token); 85 return -1;
684
685 ret = __test_type_token(type, token, expect, str, warn);
686
687 free_token(token);
688 86
689 return ret; 87 return ret;
690} 88}
691 89
692static int read_expected(enum event_type expect, const char *str) 90int common_flags(struct scripting_context *context)
693{
694 return __read_expected(expect, str, 1, true);
695}
696
697static int read_expected_item(enum event_type expect, const char *str)
698{
699 return __read_expected(expect, str, 0, true);
700}
701
702static char *event_read_name(void)
703{
704 char *token;
705
706 if (read_expected(EVENT_ITEM, "name") < 0)
707 return NULL;
708
709 if (read_expected(EVENT_OP, ":") < 0)
710 return NULL;
711
712 if (read_expect_type(EVENT_ITEM, &token) < 0)
713 goto fail;
714
715 return token;
716
717 fail:
718 free_token(token);
719 return NULL;
720}
721
722static int event_read_id(void)
723{ 91{
724 char *token; 92 static int offset;
725 int id = -1; 93 static int size;
726 94 int ret;
727 if (read_expected_item(EVENT_ITEM, "ID") < 0)
728 return -1;
729 95
730 if (read_expected(EVENT_OP, ":") < 0) 96 ret = get_common_field(context, &size, &offset,
97 "common_flags");
98 if (ret < 0)
731 return -1; 99 return -1;
732 100
733 if (read_expect_type(EVENT_ITEM, &token) < 0) 101 return ret;
734 goto free;
735
736 id = strtoul(token, NULL, 0);
737
738 free:
739 free_token(token);
740 return id;
741}
742
743static int field_is_string(struct format_field *field)
744{
745 if ((field->flags & FIELD_IS_ARRAY) &&
746 (!strstr(field->type, "char") || !strstr(field->type, "u8") ||
747 !strstr(field->type, "s8")))
748 return 1;
749
750 return 0;
751}
752
753static int field_is_dynamic(struct format_field *field)
754{
755 if (!strncmp(field->type, "__data_loc", 10))
756 return 1;
757
758 return 0;
759}
760
761static int event_read_fields(struct event *event, struct format_field **fields)
762{
763 struct format_field *field = NULL;
764 enum event_type type;
765 char *token;
766 char *last_token;
767 int count = 0;
768
769 do {
770 type = read_token(&token);
771 if (type == EVENT_NEWLINE) {
772 free_token(token);
773 return count;
774 }
775
776 count++;
777
778 if (test_type_token(type, token, EVENT_ITEM, "field"))
779 goto fail;
780 free_token(token);
781
782 type = read_token(&token);
783 /*
784 * The ftrace fields may still use the "special" name.
785 * Just ignore it.
786 */
787 if (event->flags & EVENT_FL_ISFTRACE &&
788 type == EVENT_ITEM && strcmp(token, "special") == 0) {
789 free_token(token);
790 type = read_token(&token);
791 }
792
793 if (test_type_token(type, token, EVENT_OP, ":") < 0)
794 return -1;
795
796 if (read_expect_type(EVENT_ITEM, &token) < 0)
797 goto fail;
798
799 last_token = token;
800
801 field = malloc_or_die(sizeof(*field));
802 memset(field, 0, sizeof(*field));
803
804 /* read the rest of the type */
805 for (;;) {
806 type = read_token(&token);
807 if (type == EVENT_ITEM ||
808 (type == EVENT_OP && strcmp(token, "*") == 0) ||
809 /*
810 * Some of the ftrace fields are broken and have
811 * an illegal "." in them.
812 */
813 (event->flags & EVENT_FL_ISFTRACE &&
814 type == EVENT_OP && strcmp(token, ".") == 0)) {
815
816 if (strcmp(token, "*") == 0)
817 field->flags |= FIELD_IS_POINTER;
818
819 if (field->type) {
820 field->type = realloc(field->type,
821 strlen(field->type) +
822 strlen(last_token) + 2);
823 strcat(field->type, " ");
824 strcat(field->type, last_token);
825 } else
826 field->type = last_token;
827 last_token = token;
828 continue;
829 }
830
831 break;
832 }
833
834 if (!field->type) {
835 die("no type found");
836 goto fail;
837 }
838 field->name = last_token;
839
840 if (test_type(type, EVENT_OP))
841 goto fail;
842
843 if (strcmp(token, "[") == 0) {
844 enum event_type last_type = type;
845 char *brackets = token;
846 int len;
847
848 field->flags |= FIELD_IS_ARRAY;
849
850 type = read_token(&token);
851 while (strcmp(token, "]") != 0) {
852 if (last_type == EVENT_ITEM &&
853 type == EVENT_ITEM)
854 len = 2;
855 else
856 len = 1;
857 last_type = type;
858
859 brackets = realloc(brackets,
860 strlen(brackets) +
861 strlen(token) + len);
862 if (len == 2)
863 strcat(brackets, " ");
864 strcat(brackets, token);
865 free_token(token);
866 type = read_token(&token);
867 if (type == EVENT_NONE) {
868 die("failed to find token");
869 goto fail;
870 }
871 }
872
873 free_token(token);
874
875 brackets = realloc(brackets, strlen(brackets) + 2);
876 strcat(brackets, "]");
877
878 /* add brackets to type */
879
880 type = read_token(&token);
881 /*
882 * If the next token is not an OP, then it is of
883 * the format: type [] item;
884 */
885 if (type == EVENT_ITEM) {
886 field->type = realloc(field->type,
887 strlen(field->type) +
888 strlen(field->name) +
889 strlen(brackets) + 2);
890 strcat(field->type, " ");
891 strcat(field->type, field->name);
892 free_token(field->name);
893 strcat(field->type, brackets);
894 field->name = token;
895 type = read_token(&token);
896 } else {
897 field->type = realloc(field->type,
898 strlen(field->type) +
899 strlen(brackets) + 1);
900 strcat(field->type, brackets);
901 }
902 free(brackets);
903 }
904
905 if (field_is_string(field)) {
906 field->flags |= FIELD_IS_STRING;
907 if (field_is_dynamic(field))
908 field->flags |= FIELD_IS_DYNAMIC;
909 }
910
911 if (test_type_token(type, token, EVENT_OP, ";"))
912 goto fail;
913 free_token(token);
914
915 if (read_expected(EVENT_ITEM, "offset") < 0)
916 goto fail_expect;
917
918 if (read_expected(EVENT_OP, ":") < 0)
919 goto fail_expect;
920
921 if (read_expect_type(EVENT_ITEM, &token))
922 goto fail;
923 field->offset = strtoul(token, NULL, 0);
924 free_token(token);
925
926 if (read_expected(EVENT_OP, ";") < 0)
927 goto fail_expect;
928
929 if (read_expected(EVENT_ITEM, "size") < 0)
930 goto fail_expect;
931
932 if (read_expected(EVENT_OP, ":") < 0)
933 goto fail_expect;
934
935 if (read_expect_type(EVENT_ITEM, &token))
936 goto fail;
937 field->size = strtoul(token, NULL, 0);
938 free_token(token);
939
940 if (read_expected(EVENT_OP, ";") < 0)
941 goto fail_expect;
942
943 type = read_token(&token);
944 if (type != EVENT_NEWLINE) {
945 /* newer versions of the kernel have a "signed" type */
946 if (test_type_token(type, token, EVENT_ITEM, "signed"))
947 goto fail;
948
949 free_token(token);
950
951 if (read_expected(EVENT_OP, ":") < 0)
952 goto fail_expect;
953
954 if (read_expect_type(EVENT_ITEM, &token))
955 goto fail;
956
957 if (strtoul(token, NULL, 0))
958 field->flags |= FIELD_IS_SIGNED;
959
960 free_token(token);
961 if (read_expected(EVENT_OP, ";") < 0)
962 goto fail_expect;
963
964 if (read_expect_type(EVENT_NEWLINE, &token))
965 goto fail;
966 }
967
968 free_token(token);
969
970 *fields = field;
971 fields = &field->next;
972
973 } while (1);
974
975 return 0;
976
977fail:
978 free_token(token);
979fail_expect:
980 if (field)
981 free(field);
982 return -1;
983} 102}
984 103
985static int event_read_format(struct event *event) 104int common_pc(struct scripting_context *context)
986{ 105{
987 char *token; 106 static int offset;
107 static int size;
988 int ret; 108 int ret;
989 109
990 if (read_expected_item(EVENT_ITEM, "format") < 0) 110 ret = get_common_field(context, &size, &offset,
991 return -1; 111 "common_preempt_count");
992
993 if (read_expected(EVENT_OP, ":") < 0)
994 return -1;
995
996 if (read_expect_type(EVENT_NEWLINE, &token))
997 goto fail;
998 free_token(token);
999
1000 ret = event_read_fields(event, &event->format.common_fields);
1001 if (ret < 0) 112 if (ret < 0)
1002 return ret; 113 return -1;
1003 event->format.nr_common = ret;
1004
1005 ret = event_read_fields(event, &event->format.fields);
1006 if (ret < 0)
1007 return ret;
1008 event->format.nr_fields = ret;
1009
1010 return 0;
1011
1012 fail:
1013 free_token(token);
1014 return -1;
1015}
1016
1017enum event_type
1018process_arg_token(struct event *event, struct print_arg *arg,
1019 char **tok, enum event_type type);
1020
1021static enum event_type
1022process_arg(struct event *event, struct print_arg *arg, char **tok)
1023{
1024 enum event_type type;
1025 char *token;
1026
1027 type = read_token(&token);
1028 *tok = token;
1029 114
1030 return process_arg_token(event, arg, tok, type); 115 return ret;
1031} 116}
1032 117
1033static enum event_type 118unsigned long long
1034process_cond(struct event *event, struct print_arg *top, char **tok) 119raw_field_value(struct event_format *event, const char *name, void *data)
1035{ 120{
1036 struct print_arg *arg, *left, *right; 121 struct format_field *field;
1037 enum event_type type; 122 unsigned long long val;
1038 char *token = NULL;
1039
1040 arg = malloc_or_die(sizeof(*arg));
1041 memset(arg, 0, sizeof(*arg));
1042
1043 left = malloc_or_die(sizeof(*left));
1044
1045 right = malloc_or_die(sizeof(*right));
1046
1047 arg->type = PRINT_OP;
1048 arg->op.left = left;
1049 arg->op.right = right;
1050
1051 *tok = NULL;
1052 type = process_arg(event, left, &token);
1053 if (test_type_token(type, token, EVENT_OP, ":"))
1054 goto out_free;
1055
1056 arg->op.op = token;
1057
1058 type = process_arg(event, right, &token);
1059 123
1060 top->op.right = arg; 124 field = pevent_find_any_field(event, name);
125 if (!field)
126 return 0ULL;
1061 127
1062 *tok = token; 128 pevent_read_number_field(field, data, &val);
1063 return type;
1064 129
1065out_free: 130 return val;
1066 free_token(*tok);
1067 free(right);
1068 free(left);
1069 free_arg(arg);
1070 return EVENT_ERROR;
1071} 131}
1072 132
1073static enum event_type 133void *raw_field_ptr(struct event_format *event, const char *name, void *data)
1074process_array(struct event *event, struct print_arg *top, char **tok)
1075{ 134{
1076 struct print_arg *arg; 135 struct format_field *field;
1077 enum event_type type;
1078 char *token = NULL;
1079
1080 arg = malloc_or_die(sizeof(*arg));
1081 memset(arg, 0, sizeof(*arg));
1082
1083 *tok = NULL;
1084 type = process_arg(event, arg, &token);
1085 if (test_type_token(type, token, EVENT_OP, "]"))
1086 goto out_free;
1087
1088 top->op.right = arg;
1089
1090 free_token(token);
1091 type = read_token_item(&token);
1092 *tok = token;
1093
1094 return type;
1095 136
1096out_free: 137 field = pevent_find_any_field(event, name);
1097 free_token(*tok); 138 if (!field)
1098 free_arg(arg); 139 return NULL;
1099 return EVENT_ERROR;
1100}
1101 140
1102static int get_op_prio(char *op) 141 if (field->flags & FIELD_IS_DYNAMIC) {
1103{ 142 int offset;
1104 if (!op[1]) {
1105 switch (op[0]) {
1106 case '*':
1107 case '/':
1108 case '%':
1109 return 6;
1110 case '+':
1111 case '-':
1112 return 7;
1113 /* '>>' and '<<' are 8 */
1114 case '<':
1115 case '>':
1116 return 9;
1117 /* '==' and '!=' are 10 */
1118 case '&':
1119 return 11;
1120 case '^':
1121 return 12;
1122 case '|':
1123 return 13;
1124 case '?':
1125 return 16;
1126 default:
1127 die("unknown op '%c'", op[0]);
1128 return -1;
1129 }
1130 } else {
1131 if (strcmp(op, "++") == 0 ||
1132 strcmp(op, "--") == 0) {
1133 return 3;
1134 } else if (strcmp(op, ">>") == 0 ||
1135 strcmp(op, "<<") == 0) {
1136 return 8;
1137 } else if (strcmp(op, ">=") == 0 ||
1138 strcmp(op, "<=") == 0) {
1139 return 9;
1140 } else if (strcmp(op, "==") == 0 ||
1141 strcmp(op, "!=") == 0) {
1142 return 10;
1143 } else if (strcmp(op, "&&") == 0) {
1144 return 14;
1145 } else if (strcmp(op, "||") == 0) {
1146 return 15;
1147 } else {
1148 die("unknown op '%s'", op);
1149 return -1;
1150 }
1151 }
1152}
1153 143
1154static void set_op_prio(struct print_arg *arg) 144 offset = *(int *)(data + field->offset);
1155{ 145 offset &= 0xffff;
1156 146
1157 /* single ops are the greatest */ 147 return data + offset;
1158 if (!arg->op.left || arg->op.left->type == PRINT_NULL) {
1159 arg->op.prio = 0;
1160 return;
1161 } 148 }
1162 149
1163 arg->op.prio = get_op_prio(arg->op.op); 150 return data + field->offset;
1164} 151}
1165 152
1166static enum event_type 153int trace_parse_common_type(void *data)
1167process_op(struct event *event, struct print_arg *arg, char **tok)
1168{ 154{
1169 struct print_arg *left, *right = NULL; 155 struct pevent_record record;
1170 enum event_type type;
1171 char *token;
1172
1173 /* the op is passed in via tok */
1174 token = *tok;
1175
1176 if (arg->type == PRINT_OP && !arg->op.left) {
1177 /* handle single op */
1178 if (token[1]) {
1179 die("bad op token %s", token);
1180 return EVENT_ERROR;
1181 }
1182 switch (token[0]) {
1183 case '!':
1184 case '+':
1185 case '-':
1186 break;
1187 default:
1188 die("bad op token %s", token);
1189 return EVENT_ERROR;
1190 }
1191
1192 /* make an empty left */
1193 left = malloc_or_die(sizeof(*left));
1194 left->type = PRINT_NULL;
1195 arg->op.left = left;
1196
1197 right = malloc_or_die(sizeof(*right));
1198 arg->op.right = right;
1199
1200 type = process_arg(event, right, tok);
1201
1202 } else if (strcmp(token, "?") == 0) {
1203
1204 left = malloc_or_die(sizeof(*left));
1205 /* copy the top arg to the left */
1206 *left = *arg;
1207
1208 arg->type = PRINT_OP;
1209 arg->op.op = token;
1210 arg->op.left = left;
1211 arg->op.prio = 0;
1212
1213 type = process_cond(event, arg, tok);
1214
1215 } else if (strcmp(token, ">>") == 0 ||
1216 strcmp(token, "<<") == 0 ||
1217 strcmp(token, "&") == 0 ||
1218 strcmp(token, "|") == 0 ||
1219 strcmp(token, "&&") == 0 ||
1220 strcmp(token, "||") == 0 ||
1221 strcmp(token, "-") == 0 ||
1222 strcmp(token, "+") == 0 ||
1223 strcmp(token, "*") == 0 ||
1224 strcmp(token, "^") == 0 ||
1225 strcmp(token, "/") == 0 ||
1226 strcmp(token, "<") == 0 ||
1227 strcmp(token, ">") == 0 ||
1228 strcmp(token, "==") == 0 ||
1229 strcmp(token, "!=") == 0) {
1230
1231 left = malloc_or_die(sizeof(*left));
1232
1233 /* copy the top arg to the left */
1234 *left = *arg;
1235
1236 arg->type = PRINT_OP;
1237 arg->op.op = token;
1238 arg->op.left = left;
1239
1240 set_op_prio(arg);
1241
1242 right = malloc_or_die(sizeof(*right));
1243
1244 type = read_token_item(&token);
1245 *tok = token;
1246
1247 /* could just be a type pointer */
1248 if ((strcmp(arg->op.op, "*") == 0) &&
1249 type == EVENT_DELIM && (strcmp(token, ")") == 0)) {
1250 if (left->type != PRINT_ATOM)
1251 die("bad pointer type");
1252 left->atom.atom = realloc(left->atom.atom,
1253 sizeof(left->atom.atom) + 3);
1254 strcat(left->atom.atom, " *");
1255 *arg = *left;
1256 free(arg);
1257
1258 return type;
1259 }
1260
1261 type = process_arg_token(event, right, tok, type);
1262
1263 arg->op.right = right;
1264
1265 } else if (strcmp(token, "[") == 0) {
1266
1267 left = malloc_or_die(sizeof(*left));
1268 *left = *arg;
1269
1270 arg->type = PRINT_OP;
1271 arg->op.op = token;
1272 arg->op.left = left;
1273
1274 arg->op.prio = 0;
1275 type = process_array(event, arg, tok);
1276
1277 } else {
1278 warning("unknown op '%s'", token);
1279 event->flags |= EVENT_FL_FAILED;
1280 /* the arg is now the left side */
1281 return EVENT_NONE;
1282 }
1283
1284 if (type == EVENT_OP) {
1285 int prio;
1286
1287 /* higher prios need to be closer to the root */
1288 prio = get_op_prio(*tok);
1289
1290 if (prio > arg->op.prio)
1291 return process_op(event, arg, tok);
1292 156
1293 return process_op(event, right, tok); 157 record.data = data;
1294 } 158 return pevent_data_type(pevent, &record);
1295
1296 return type;
1297} 159}
1298 160
1299static enum event_type 161int trace_parse_common_pid(void *data)
1300process_entry(struct event *event __unused, struct print_arg *arg,
1301 char **tok)
1302{ 162{
1303 enum event_type type; 163 struct pevent_record record;
1304 char *field;
1305 char *token;
1306
1307 if (read_expected(EVENT_OP, "->") < 0)
1308 return EVENT_ERROR;
1309
1310 if (read_expect_type(EVENT_ITEM, &token) < 0)
1311 goto fail;
1312 field = token;
1313
1314 arg->type = PRINT_FIELD;
1315 arg->field.name = field;
1316
1317 if (is_flag_field) {
1318 arg->field.field = find_any_field(event, arg->field.name);
1319 arg->field.field->flags |= FIELD_IS_FLAG;
1320 is_flag_field = 0;
1321 } else if (is_symbolic_field) {
1322 arg->field.field = find_any_field(event, arg->field.name);
1323 arg->field.field->flags |= FIELD_IS_SYMBOLIC;
1324 is_symbolic_field = 0;
1325 }
1326
1327 type = read_token(&token);
1328 *tok = token;
1329 164
1330 return type; 165 record.data = data;
1331 166 return pevent_data_pid(pevent, &record);
1332fail:
1333 free_token(token);
1334 return EVENT_ERROR;
1335} 167}
1336 168
1337static char *arg_eval (struct print_arg *arg); 169unsigned long long read_size(void *ptr, int size)
1338
1339static long long arg_num_eval(struct print_arg *arg)
1340{ 170{
1341 long long left, right; 171 return pevent_read_number(pevent, ptr, size);
1342 long long val = 0;
1343
1344 switch (arg->type) {
1345 case PRINT_ATOM:
1346 val = strtoll(arg->atom.atom, NULL, 0);
1347 break;
1348 case PRINT_TYPE:
1349 val = arg_num_eval(arg->typecast.item);
1350 break;
1351 case PRINT_OP:
1352 switch (arg->op.op[0]) {
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 if (arg->op.op[1])
1365 val = left && right;
1366 else
1367 val = left & right;
1368 break;
1369 case '<':
1370 left = arg_num_eval(arg->op.left);
1371 right = arg_num_eval(arg->op.right);
1372 switch (arg->op.op[1]) {
1373 case 0:
1374 val = left < right;
1375 break;
1376 case '<':
1377 val = left << right;
1378 break;
1379 case '=':
1380 val = left <= right;
1381 break;
1382 default:
1383 die("unknown op '%s'", arg->op.op);
1384 }
1385 break;
1386 case '>':
1387 left = arg_num_eval(arg->op.left);
1388 right = arg_num_eval(arg->op.right);
1389 switch (arg->op.op[1]) {
1390 case 0:
1391 val = left > right;
1392 break;
1393 case '>':
1394 val = left >> right;
1395 break;
1396 case '=':
1397 val = left >= right;
1398 break;
1399 default:
1400 die("unknown op '%s'", arg->op.op);
1401 }
1402 break;
1403 case '=':
1404 left = arg_num_eval(arg->op.left);
1405 right = arg_num_eval(arg->op.right);
1406
1407 if (arg->op.op[1] != '=')
1408 die("unknown op '%s'", arg->op.op);
1409
1410 val = left == right;
1411 break;
1412 case '!':
1413 left = arg_num_eval(arg->op.left);
1414 right = arg_num_eval(arg->op.right);
1415
1416 switch (arg->op.op[1]) {
1417 case '=':
1418 val = left != right;
1419 break;
1420 default:
1421 die("unknown op '%s'", arg->op.op);
1422 }
1423 break;
1424 case '+':
1425 left = arg_num_eval(arg->op.left);
1426 right = arg_num_eval(arg->op.right);
1427 val = left + right;
1428 break;
1429 default:
1430 die("unknown op '%s'", arg->op.op);
1431 }
1432 break;
1433
1434 case PRINT_NULL:
1435 case PRINT_FIELD ... PRINT_SYMBOL:
1436 case PRINT_STRING:
1437 default:
1438 die("invalid eval type %d", arg->type);
1439
1440 }
1441 return val;
1442} 172}
1443 173
1444static char *arg_eval (struct print_arg *arg) 174struct event_format *trace_find_event(int type)
1445{ 175{
1446 long long val; 176 return pevent_find_event(pevent, type);
1447 static char buf[20];
1448
1449 switch (arg->type) {
1450 case PRINT_ATOM:
1451 return arg->atom.atom;
1452 case PRINT_TYPE:
1453 return arg_eval(arg->typecast.item);
1454 case PRINT_OP:
1455 val = arg_num_eval(arg);
1456 sprintf(buf, "%lld", val);
1457 return buf;
1458
1459 case PRINT_NULL:
1460 case PRINT_FIELD ... PRINT_SYMBOL:
1461 case PRINT_STRING:
1462 default:
1463 die("invalid eval type %d", arg->type);
1464 break;
1465 }
1466
1467 return NULL;
1468} 177}
1469 178
1470static enum event_type
1471process_fields(struct event *event, struct print_flag_sym **list, char **tok)
1472{
1473 enum event_type type;
1474 struct print_arg *arg = NULL;
1475 struct print_flag_sym *field;
1476 char *token = NULL;
1477 char *value;
1478
1479 do {
1480 free_token(token);
1481 type = read_token_item(&token);
1482 if (test_type_token(type, token, EVENT_OP, "{"))
1483 break;
1484
1485 arg = malloc_or_die(sizeof(*arg));
1486
1487 free_token(token);
1488 type = process_arg(event, arg, &token);
1489
1490 if (type == EVENT_OP)
1491 type = process_op(event, arg, &token);
1492
1493 if (type == EVENT_ERROR)
1494 goto out_free;
1495
1496 if (test_type_token(type, token, EVENT_DELIM, ","))
1497 goto out_free;
1498
1499 field = malloc_or_die(sizeof(*field));
1500 memset(field, 0, sizeof(*field));
1501
1502 value = arg_eval(arg);
1503 field->value = strdup(value);
1504
1505 free_token(token);
1506 type = process_arg(event, arg, &token);
1507 if (test_type_token(type, token, EVENT_OP, "}"))
1508 goto out_free;
1509
1510 value = arg_eval(arg);
1511 field->str = strdup(value);
1512 free_arg(arg);
1513 arg = NULL;
1514
1515 *list = field;
1516 list = &field->next;
1517 179
1518 free_token(token); 180void print_trace_event(int cpu, void *data, int size)
1519 type = read_token_item(&token);
1520 } while (type == EVENT_DELIM && strcmp(token, ",") == 0);
1521
1522 *tok = token;
1523 return type;
1524
1525out_free:
1526 free_arg(arg);
1527 free_token(token);
1528
1529 return EVENT_ERROR;
1530}
1531
1532static enum event_type
1533process_flags(struct event *event, struct print_arg *arg, char **tok)
1534{ 181{
1535 struct print_arg *field; 182 struct event_format *event;
1536 enum event_type type; 183 struct pevent_record record;
1537 char *token; 184 struct trace_seq s;
1538 185 int type;
1539 memset(arg, 0, sizeof(*arg));
1540 arg->type = PRINT_FLAGS;
1541
1542 if (read_expected_item(EVENT_DELIM, "(") < 0)
1543 return EVENT_ERROR;
1544
1545 field = malloc_or_die(sizeof(*field));
1546
1547 type = process_arg(event, field, &token);
1548 while (type == EVENT_OP)
1549 type = process_op(event, field, &token);
1550 if (test_type_token(type, token, EVENT_DELIM, ","))
1551 goto out_free;
1552 186
1553 arg->flags.field = field; 187 type = trace_parse_common_type(data);
1554 188
1555 type = read_token_item(&token); 189 event = trace_find_event(type);
1556 if (event_item_type(type)) { 190 if (!event) {
1557 arg->flags.delim = token; 191 warning("ug! no event found for type %d", type);
1558 type = read_token_item(&token); 192 return;
1559 } 193 }
1560 194
1561 if (test_type_token(type, token, EVENT_DELIM, ",")) 195 memset(&record, 0, sizeof(record));
1562 goto out_free; 196 record.cpu = cpu;
1563 197 record.size = size;
1564 type = process_fields(event, &arg->flags.flags, &token); 198 record.data = data;
1565 if (test_type_token(type, token, EVENT_DELIM, ")"))
1566 goto out_free;
1567 199
1568 free_token(token); 200 trace_seq_init(&s);
1569 type = read_token_item(tok); 201 pevent_print_event(pevent, &s, &record);
1570 return type; 202 trace_seq_do_printf(&s);
1571 203 printf("\n");
1572out_free:
1573 free_token(token);
1574 return EVENT_ERROR;
1575} 204}
1576 205
1577static enum event_type 206void print_event(int cpu, void *data, int size, unsigned long long nsecs,
1578process_symbols(struct event *event, struct print_arg *arg, char **tok) 207 char *comm)
1579{ 208{
1580 struct print_arg *field; 209 struct pevent_record record;
1581 enum event_type type; 210 struct trace_seq s;
1582 char *token; 211 int pid;
1583
1584 memset(arg, 0, sizeof(*arg));
1585 arg->type = PRINT_SYMBOL;
1586
1587 if (read_expected_item(EVENT_DELIM, "(") < 0)
1588 return EVENT_ERROR;
1589
1590 field = malloc_or_die(sizeof(*field));
1591
1592 type = process_arg(event, field, &token);
1593 if (test_type_token(type, token, EVENT_DELIM, ","))
1594 goto out_free;
1595 212
1596 arg->symbol.field = field; 213 pevent->latency_format = latency_format;
1597 214
1598 type = process_fields(event, &arg->symbol.symbols, &token); 215 record.ts = nsecs;
1599 if (test_type_token(type, token, EVENT_DELIM, ")")) 216 record.cpu = cpu;
1600 goto out_free; 217 record.size = size;
218 record.data = data;
219 pid = pevent_data_pid(pevent, &record);
1601 220
1602 free_token(token); 221 if (!pevent_pid_is_registered(pevent, pid))
1603 type = read_token_item(tok); 222 pevent_register_comm(pevent, comm, pid);
1604 return type;
1605 223
1606out_free: 224 trace_seq_init(&s);
1607 free_token(token); 225 pevent_print_event(pevent, &s, &record);
1608 return EVENT_ERROR; 226 trace_seq_do_printf(&s);
227 printf("\n");
1609} 228}
1610 229
1611static enum event_type 230void parse_proc_kallsyms(char *file, unsigned int size __unused)
1612process_paren(struct event *event, struct print_arg *arg, char **tok)
1613{ 231{
1614 struct print_arg *item_arg; 232 unsigned long long addr;
1615 enum event_type type; 233 char *func;
1616 char *token; 234 char *line;
1617 235 char *next = NULL;
1618 type = process_arg(event, arg, &token); 236 char *addr_str;
1619 237 char *mod;
1620 if (type == EVENT_ERROR) 238 char ch;
1621 return EVENT_ERROR;
1622
1623 if (type == EVENT_OP)
1624 type = process_op(event, arg, &token);
1625
1626 if (type == EVENT_ERROR)
1627 return EVENT_ERROR;
1628
1629 if (test_type_token(type, token, EVENT_DELIM, ")")) {
1630 free_token(token);
1631 return EVENT_ERROR;
1632 }
1633
1634 free_token(token);
1635 type = read_token_item(&token);
1636
1637 /*
1638 * If the next token is an item or another open paren, then
1639 * this was a typecast.
1640 */
1641 if (event_item_type(type) ||
1642 (type == EVENT_DELIM && strcmp(token, "(") == 0)) {
1643
1644 /* make this a typecast and contine */
1645 239
1646 /* prevous must be an atom */ 240 line = strtok_r(file, "\n", &next);
1647 if (arg->type != PRINT_ATOM) 241 while (line) {
1648 die("previous needed to be PRINT_ATOM"); 242 mod = NULL;
243 sscanf(line, "%as %c %as\t[%as",
244 (float *)(void *)&addr_str, /* workaround gcc warning */
245 &ch, (float *)(void *)&func, (float *)(void *)&mod);
246 addr = strtoull(addr_str, NULL, 16);
247 free(addr_str);
1649 248
1650 item_arg = malloc_or_die(sizeof(*item_arg)); 249 /* truncate the extra ']' */
250 if (mod)
251 mod[strlen(mod) - 1] = 0;
1651 252
1652 arg->type = PRINT_TYPE; 253 pevent_register_function(pevent, func, addr, mod);
1653 arg->typecast.type = arg->atom.atom; 254 free(func);
1654 arg->typecast.item = item_arg; 255 free(mod);
1655 type = process_arg_token(event, item_arg, &token, type);
1656 256
257 line = strtok_r(NULL, "\n", &next);
1657 } 258 }
1658
1659 *tok = token;
1660 return type;
1661} 259}
1662 260
1663 261void parse_ftrace_printk(char *file, unsigned int size __unused)
1664static enum event_type
1665process_str(struct event *event __unused, struct print_arg *arg, char **tok)
1666{ 262{
1667 enum event_type type; 263 unsigned long long addr;
1668 char *token; 264 char *printk;
1669 265 char *line;
1670 if (read_expected(EVENT_DELIM, "(") < 0) 266 char *next = NULL;
1671 return EVENT_ERROR; 267 char *addr_str;
1672 268 char *fmt;
1673 if (read_expect_type(EVENT_ITEM, &token) < 0)
1674 goto fail;
1675
1676 arg->type = PRINT_STRING;
1677 arg->string.string = token;
1678 arg->string.offset = -1;
1679
1680 if (read_expected(EVENT_DELIM, ")") < 0)
1681 return EVENT_ERROR;
1682
1683 type = read_token(&token);
1684 *tok = token;
1685
1686 return type;
1687fail:
1688 free_token(token);
1689 return EVENT_ERROR;
1690}
1691 269
1692enum event_type 270 line = strtok_r(file, "\n", &next);
1693process_arg_token(struct event *event, struct print_arg *arg, 271 while (line) {
1694 char **tok, enum event_type type) 272 addr_str = strtok_r(line, ":", &fmt);
1695{ 273 if (!addr_str) {
1696 char *token; 274 warning("printk format with empty entry");
1697 char *atom;
1698
1699 token = *tok;
1700
1701 switch (type) {
1702 case EVENT_ITEM:
1703 if (strcmp(token, "REC") == 0) {
1704 free_token(token);
1705 type = process_entry(event, arg, &token);
1706 } else if (strcmp(token, "__print_flags") == 0) {
1707 free_token(token);
1708 is_flag_field = 1;
1709 type = process_flags(event, arg, &token);
1710 } else if (strcmp(token, "__print_symbolic") == 0) {
1711 free_token(token);
1712 is_symbolic_field = 1;
1713 type = process_symbols(event, arg, &token);
1714 } else if (strcmp(token, "__get_str") == 0) {
1715 free_token(token);
1716 type = process_str(event, arg, &token);
1717 } else {
1718 atom = token;
1719 /* test the next token */
1720 type = read_token_item(&token);
1721
1722 /* atoms can be more than one token long */
1723 while (type == EVENT_ITEM) {
1724 atom = realloc(atom, strlen(atom) + strlen(token) + 2);
1725 strcat(atom, " ");
1726 strcat(atom, token);
1727 free_token(token);
1728 type = read_token_item(&token);
1729 }
1730
1731 /* todo, test for function */
1732
1733 arg->type = PRINT_ATOM;
1734 arg->atom.atom = atom;
1735 }
1736 break;
1737 case EVENT_DQUOTE:
1738 case EVENT_SQUOTE:
1739 arg->type = PRINT_ATOM;
1740 arg->atom.atom = token;
1741 type = read_token_item(&token);
1742 break;
1743 case EVENT_DELIM:
1744 if (strcmp(token, "(") == 0) {
1745 free_token(token);
1746 type = process_paren(event, arg, &token);
1747 break; 275 break;
1748 } 276 }
1749 case EVENT_OP: 277 addr = strtoull(addr_str, NULL, 16);
1750 /* handle single ops */ 278 /* fmt still has a space, skip it */
1751 arg->type = PRINT_OP; 279 printk = strdup(fmt+1);
1752 arg->op.op = token; 280 line = strtok_r(NULL, "\n", &next);
1753 arg->op.left = NULL; 281 pevent_register_print_string(pevent, printk, addr);
1754 type = process_op(event, arg, &token);
1755
1756 break;
1757
1758 case EVENT_ERROR ... EVENT_NEWLINE:
1759 default:
1760 die("unexpected type %d", type);
1761 }
1762 *tok = token;
1763
1764 return type;
1765}
1766
1767static int event_read_print_args(struct event *event, struct print_arg **list)
1768{
1769 enum event_type type = EVENT_ERROR;
1770 struct print_arg *arg;
1771 char *token;
1772 int args = 0;
1773
1774 do {
1775 if (type == EVENT_NEWLINE) {
1776 free_token(token);
1777 type = read_token_item(&token);
1778 continue;
1779 }
1780
1781 arg = malloc_or_die(sizeof(*arg));
1782 memset(arg, 0, sizeof(*arg));
1783
1784 type = process_arg(event, arg, &token);
1785
1786 if (type == EVENT_ERROR) {
1787 free_arg(arg);
1788 return -1;
1789 }
1790
1791 *list = arg;
1792 args++;
1793
1794 if (type == EVENT_OP) {
1795 type = process_op(event, arg, &token);
1796 list = &arg->next;
1797 continue;
1798 }
1799
1800 if (type == EVENT_DELIM && strcmp(token, ",") == 0) {
1801 free_token(token);
1802 *list = arg;
1803 list = &arg->next;
1804 continue;
1805 }
1806 break;
1807 } while (type != EVENT_NONE);
1808
1809 if (type != EVENT_NONE)
1810 free_token(token);
1811
1812 return args;
1813}
1814
1815static int event_read_print(struct event *event)
1816{
1817 enum event_type type;
1818 char *token;
1819 int ret;
1820
1821 if (read_expected_item(EVENT_ITEM, "print") < 0)
1822 return -1;
1823
1824 if (read_expected(EVENT_ITEM, "fmt") < 0)
1825 return -1;
1826
1827 if (read_expected(EVENT_OP, ":") < 0)
1828 return -1;
1829
1830 if (read_expect_type(EVENT_DQUOTE, &token) < 0)
1831 goto fail;
1832
1833 concat:
1834 event->print_fmt.format = token;
1835 event->print_fmt.args = NULL;
1836
1837 /* ok to have no arg */
1838 type = read_token_item(&token);
1839
1840 if (type == EVENT_NONE)
1841 return 0;
1842
1843 /* Handle concatination of print lines */
1844 if (type == EVENT_DQUOTE) {
1845 char *cat;
1846
1847 cat = malloc_or_die(strlen(event->print_fmt.format) +
1848 strlen(token) + 1);
1849 strcpy(cat, event->print_fmt.format);
1850 strcat(cat, token);
1851 free_token(token);
1852 free_token(event->print_fmt.format);
1853 event->print_fmt.format = NULL;
1854 token = cat;
1855 goto concat;
1856 }
1857
1858 if (test_type_token(type, token, EVENT_DELIM, ","))
1859 goto fail;
1860
1861 free_token(token);
1862
1863 ret = event_read_print_args(event, &event->print_fmt.args);
1864 if (ret < 0)
1865 return -1;
1866
1867 return ret;
1868
1869 fail:
1870 free_token(token);
1871 return -1;
1872}
1873
1874static struct format_field *
1875find_common_field(struct event *event, const char *name)
1876{
1877 struct format_field *format;
1878
1879 for (format = event->format.common_fields;
1880 format; format = format->next) {
1881 if (strcmp(format->name, name) == 0)
1882 break;
1883 }
1884
1885 return format;
1886}
1887
1888static struct format_field *
1889find_field(struct event *event, const char *name)
1890{
1891 struct format_field *format;
1892
1893 for (format = event->format.fields;
1894 format; format = format->next) {
1895 if (strcmp(format->name, name) == 0)
1896 break;
1897 } 282 }
1898
1899 return format;
1900} 283}
1901 284
1902static struct format_field * 285int parse_ftrace_file(char *buf, unsigned long size)
1903find_any_field(struct event *event, const char *name)
1904{ 286{
1905 struct format_field *format; 287 return pevent_parse_event(pevent, buf, size, "ftrace");
1906
1907 format = find_common_field(event, name);
1908 if (format)
1909 return format;
1910 return find_field(event, name);
1911} 288}
1912 289
1913unsigned long long read_size(void *ptr, int size) 290int parse_event_file(char *buf, unsigned long size, char *sys)
1914{ 291{
1915 switch (size) { 292 return pevent_parse_event(pevent, buf, size, sys);
1916 case 1:
1917 return *(unsigned char *)ptr;
1918 case 2:
1919 return data2host2(ptr);
1920 case 4:
1921 return data2host4(ptr);
1922 case 8:
1923 return data2host8(ptr);
1924 default:
1925 /* BUG! */
1926 return 0;
1927 }
1928} 293}
1929 294
1930unsigned long long 295struct event_format *trace_find_next_event(struct event_format *event)
1931raw_field_value(struct event *event, const char *name, void *data)
1932{ 296{
1933 struct format_field *field; 297 static int idx;
1934
1935 field = find_any_field(event, name);
1936 if (!field)
1937 return 0ULL;
1938 298
1939 return read_size(data + field->offset, field->size); 299 if (!pevent->events)
1940}
1941
1942void *raw_field_ptr(struct event *event, const char *name, void *data)
1943{
1944 struct format_field *field;
1945
1946 field = find_any_field(event, name);
1947 if (!field)
1948 return NULL; 300 return NULL;
1949 301
1950 if (field->flags & FIELD_IS_DYNAMIC) { 302 if (!event) {
1951 int offset; 303 idx = 0;
1952 304 return pevent->events[0];
1953 offset = *(int *)(data + field->offset);
1954 offset &= 0xffff;
1955
1956 return data + offset;
1957 }
1958
1959 return data + field->offset;
1960}
1961
1962static int get_common_info(const char *type, int *offset, int *size)
1963{
1964 struct event *event;
1965 struct format_field *field;
1966
1967 /*
1968 * All events should have the same common elements.
1969 * Pick any event to find where the type is;
1970 */
1971 if (!event_list)
1972 die("no event_list!");
1973
1974 event = event_list;
1975 field = find_common_field(event, type);
1976 if (!field)
1977 die("field '%s' not found", type);
1978
1979 *offset = field->offset;
1980 *size = field->size;
1981
1982 return 0;
1983}
1984
1985static int __parse_common(void *data, int *size, int *offset,
1986 const char *name)
1987{
1988 int ret;
1989
1990 if (!*size) {
1991 ret = get_common_info(name, offset, size);
1992 if (ret < 0)
1993 return ret;
1994 } 305 }
1995 return read_size(data + *offset, *size);
1996}
1997
1998int trace_parse_common_type(void *data)
1999{
2000 static int type_offset;
2001 static int type_size;
2002
2003 return __parse_common(data, &type_size, &type_offset,
2004 "common_type");
2005}
2006
2007int trace_parse_common_pid(void *data)
2008{
2009 static int pid_offset;
2010 static int pid_size;
2011
2012 return __parse_common(data, &pid_size, &pid_offset,
2013 "common_pid");
2014}
2015
2016int parse_common_pc(void *data)
2017{
2018 static int pc_offset;
2019 static int pc_size;
2020
2021 return __parse_common(data, &pc_size, &pc_offset,
2022 "common_preempt_count");
2023}
2024
2025int parse_common_flags(void *data)
2026{
2027 static int flags_offset;
2028 static int flags_size;
2029
2030 return __parse_common(data, &flags_size, &flags_offset,
2031 "common_flags");
2032}
2033
2034int parse_common_lock_depth(void *data)
2035{
2036 static int ld_offset;
2037 static int ld_size;
2038 int ret;
2039 306
2040 ret = __parse_common(data, &ld_size, &ld_offset, 307 if (idx < pevent->nr_events && event == pevent->events[idx]) {
2041 "common_lock_depth"); 308 idx++;
2042 if (ret < 0) 309 if (idx == pevent->nr_events)
2043 return -1; 310 return NULL;
2044 311 return pevent->events[idx];
2045 return ret;
2046}
2047
2048struct event *trace_find_event(int id)
2049{
2050 struct event *event;
2051
2052 for (event = event_list; event; event = event->next) {
2053 if (event->id == id)
2054 break;
2055 } 312 }
2056 return event;
2057}
2058
2059struct event *trace_find_next_event(struct event *event)
2060{
2061 if (!event)
2062 return event_list;
2063
2064 return event->next;
2065}
2066
2067static unsigned long long eval_num_arg(void *data, int size,
2068 struct event *event, struct print_arg *arg)
2069{
2070 unsigned long long val = 0;
2071 unsigned long long left, right;
2072 struct print_arg *larg;
2073 313
2074 switch (arg->type) { 314 for (idx = 1; idx < pevent->nr_events; idx++) {
2075 case PRINT_NULL: 315 if (event == pevent->events[idx - 1])
2076 /* ?? */ 316 return pevent->events[idx];
2077 return 0;
2078 case PRINT_ATOM:
2079 return strtoull(arg->atom.atom, NULL, 0);
2080 case PRINT_FIELD:
2081 if (!arg->field.field) {
2082 arg->field.field = find_any_field(event, arg->field.name);
2083 if (!arg->field.field)
2084 die("field %s not found", arg->field.name);
2085 }
2086 /* must be a number */
2087 val = read_size(data + arg->field.field->offset,
2088 arg->field.field->size);
2089 break;
2090 case PRINT_FLAGS:
2091 case PRINT_SYMBOL:
2092 break;
2093 case PRINT_TYPE:
2094 return eval_num_arg(data, size, event, arg->typecast.item);
2095 case PRINT_STRING:
2096 return 0;
2097 break;
2098 case PRINT_OP:
2099 if (strcmp(arg->op.op, "[") == 0) {
2100 /*
2101 * Arrays are special, since we don't want
2102 * to read the arg as is.
2103 */
2104 if (arg->op.left->type != PRINT_FIELD)
2105 goto default_op; /* oops, all bets off */
2106 larg = arg->op.left;
2107 if (!larg->field.field) {
2108 larg->field.field =
2109 find_any_field(event, larg->field.name);
2110 if (!larg->field.field)
2111 die("field %s not found", larg->field.name);
2112 }
2113 right = eval_num_arg(data, size, event, arg->op.right);
2114 val = read_size(data + larg->field.field->offset +
2115 right * long_size, long_size);
2116 break;
2117 }
2118 default_op:
2119 left = eval_num_arg(data, size, event, arg->op.left);
2120 right = eval_num_arg(data, size, event, arg->op.right);
2121 switch (arg->op.op[0]) {
2122 case '|':
2123 if (arg->op.op[1])
2124 val = left || right;
2125 else
2126 val = left | right;
2127 break;
2128 case '&':
2129 if (arg->op.op[1])
2130 val = left && right;
2131 else
2132 val = left & right;
2133 break;
2134 case '<':
2135 switch (arg->op.op[1]) {
2136 case 0:
2137 val = left < right;
2138 break;
2139 case '<':
2140 val = left << right;
2141 break;
2142 case '=':
2143 val = left <= right;
2144 break;
2145 default:
2146 die("unknown op '%s'", arg->op.op);
2147 }
2148 break;
2149 case '>':
2150 switch (arg->op.op[1]) {
2151 case 0:
2152 val = left > right;
2153 break;
2154 case '>':
2155 val = left >> right;
2156 break;
2157 case '=':
2158 val = left >= right;
2159 break;
2160 default:
2161 die("unknown op '%s'", arg->op.op);
2162 }
2163 break;
2164 case '=':
2165 if (arg->op.op[1] != '=')
2166 die("unknown op '%s'", arg->op.op);
2167 val = left == right;
2168 break;
2169 case '-':
2170 val = left - right;
2171 break;
2172 case '+':
2173 val = left + right;
2174 break;
2175 default:
2176 die("unknown op '%s'", arg->op.op);
2177 }
2178 break;
2179 default: /* not sure what to do there */
2180 return 0;
2181 } 317 }
2182 return val; 318 return NULL;
2183} 319}
2184 320
2185struct flag { 321struct flag {
@@ -2221,933 +357,3 @@ unsigned long long eval_flag(const char *flag)
2221 357
2222 return 0; 358 return 0;
2223} 359}
2224
2225static void print_str_arg(void *data, int size,
2226 struct event *event, struct print_arg *arg)
2227{
2228 struct print_flag_sym *flag;
2229 unsigned long long val, fval;
2230 char *str;
2231 int print;
2232
2233 switch (arg->type) {
2234 case PRINT_NULL:
2235 /* ?? */
2236 return;
2237 case PRINT_ATOM:
2238 printf("%s", arg->atom.atom);
2239 return;
2240 case PRINT_FIELD:
2241 if (!arg->field.field) {
2242 arg->field.field = find_any_field(event, arg->field.name);
2243 if (!arg->field.field)
2244 die("field %s not found", arg->field.name);
2245 }
2246 str = malloc_or_die(arg->field.field->size + 1);
2247 memcpy(str, data + arg->field.field->offset,
2248 arg->field.field->size);
2249 str[arg->field.field->size] = 0;
2250 printf("%s", str);
2251 free(str);
2252 break;
2253 case PRINT_FLAGS:
2254 val = eval_num_arg(data, size, event, arg->flags.field);
2255 print = 0;
2256 for (flag = arg->flags.flags; flag; flag = flag->next) {
2257 fval = eval_flag(flag->value);
2258 if (!val && !fval) {
2259 printf("%s", flag->str);
2260 break;
2261 }
2262 if (fval && (val & fval) == fval) {
2263 if (print && arg->flags.delim)
2264 printf("%s", arg->flags.delim);
2265 printf("%s", flag->str);
2266 print = 1;
2267 val &= ~fval;
2268 }
2269 }
2270 break;
2271 case PRINT_SYMBOL:
2272 val = eval_num_arg(data, size, event, arg->symbol.field);
2273 for (flag = arg->symbol.symbols; flag; flag = flag->next) {
2274 fval = eval_flag(flag->value);
2275 if (val == fval) {
2276 printf("%s", flag->str);
2277 break;
2278 }
2279 }
2280 break;
2281
2282 case PRINT_TYPE:
2283 break;
2284 case PRINT_STRING: {
2285 int str_offset;
2286
2287 if (arg->string.offset == -1) {
2288 struct format_field *f;
2289
2290 f = find_any_field(event, arg->string.string);
2291 arg->string.offset = f->offset;
2292 }
2293 str_offset = *(int *)(data + arg->string.offset);
2294 str_offset &= 0xffff;
2295 printf("%s", ((char *)data) + str_offset);
2296 break;
2297 }
2298 case PRINT_OP:
2299 /*
2300 * The only op for string should be ? :
2301 */
2302 if (arg->op.op[0] != '?')
2303 return;
2304 val = eval_num_arg(data, size, event, arg->op.left);
2305 if (val)
2306 print_str_arg(data, size, event, arg->op.right->op.left);
2307 else
2308 print_str_arg(data, size, event, arg->op.right->op.right);
2309 break;
2310 default:
2311 /* well... */
2312 break;
2313 }
2314}
2315
2316static struct print_arg *make_bprint_args(char *fmt, void *data, int size, struct event *event)
2317{
2318 static struct format_field *field, *ip_field;
2319 struct print_arg *args, *arg, **next;
2320 unsigned long long ip, val;
2321 char *ptr;
2322 void *bptr;
2323
2324 if (!field) {
2325 field = find_field(event, "buf");
2326 if (!field)
2327 die("can't find buffer field for binary printk");
2328 ip_field = find_field(event, "ip");
2329 if (!ip_field)
2330 die("can't find ip field for binary printk");
2331 }
2332
2333 ip = read_size(data + ip_field->offset, ip_field->size);
2334
2335 /*
2336 * The first arg is the IP pointer.
2337 */
2338 args = malloc_or_die(sizeof(*args));
2339 arg = args;
2340 arg->next = NULL;
2341 next = &arg->next;
2342
2343 arg->type = PRINT_ATOM;
2344 arg->atom.atom = malloc_or_die(32);
2345 sprintf(arg->atom.atom, "%lld", ip);
2346
2347 /* skip the first "%pf : " */
2348 for (ptr = fmt + 6, bptr = data + field->offset;
2349 bptr < data + size && *ptr; ptr++) {
2350 int ls = 0;
2351
2352 if (*ptr == '%') {
2353 process_again:
2354 ptr++;
2355 switch (*ptr) {
2356 case '%':
2357 break;
2358 case 'l':
2359 ls++;
2360 goto process_again;
2361 case 'L':
2362 ls = 2;
2363 goto process_again;
2364 case '0' ... '9':
2365 goto process_again;
2366 case 'p':
2367 ls = 1;
2368 /* fall through */
2369 case 'd':
2370 case 'u':
2371 case 'x':
2372 case 'i':
2373 /* the pointers are always 4 bytes aligned */
2374 bptr = (void *)(((unsigned long)bptr + 3) &
2375 ~3);
2376 switch (ls) {
2377 case 0:
2378 case 1:
2379 ls = long_size;
2380 break;
2381 case 2:
2382 ls = 8;
2383 default:
2384 break;
2385 }
2386 val = read_size(bptr, ls);
2387 bptr += ls;
2388 arg = malloc_or_die(sizeof(*arg));
2389 arg->next = NULL;
2390 arg->type = PRINT_ATOM;
2391 arg->atom.atom = malloc_or_die(32);
2392 sprintf(arg->atom.atom, "%lld", val);
2393 *next = arg;
2394 next = &arg->next;
2395 break;
2396 case 's':
2397 arg = malloc_or_die(sizeof(*arg));
2398 arg->next = NULL;
2399 arg->type = PRINT_STRING;
2400 arg->string.string = strdup(bptr);
2401 bptr += strlen(bptr) + 1;
2402 *next = arg;
2403 next = &arg->next;
2404 default:
2405 break;
2406 }
2407 }
2408 }
2409
2410 return args;
2411}
2412
2413static void free_args(struct print_arg *args)
2414{
2415 struct print_arg *next;
2416
2417 while (args) {
2418 next = args->next;
2419
2420 if (args->type == PRINT_ATOM)
2421 free(args->atom.atom);
2422 else
2423 free(args->string.string);
2424 free(args);
2425 args = next;
2426 }
2427}
2428
2429static char *get_bprint_format(void *data, int size __unused, struct event *event)
2430{
2431 unsigned long long addr;
2432 static struct format_field *field;
2433 struct printk_map *printk;
2434 char *format;
2435 char *p;
2436
2437 if (!field) {
2438 field = find_field(event, "fmt");
2439 if (!field)
2440 die("can't find format field for binary printk");
2441 printf("field->offset = %d size=%d\n", field->offset, field->size);
2442 }
2443
2444 addr = read_size(data + field->offset, field->size);
2445
2446 printk = find_printk(addr);
2447 if (!printk) {
2448 format = malloc_or_die(45);
2449 sprintf(format, "%%pf : (NO FORMAT FOUND at %llx)\n",
2450 addr);
2451 return format;
2452 }
2453
2454 p = printk->printk;
2455 /* Remove any quotes. */
2456 if (*p == '"')
2457 p++;
2458 format = malloc_or_die(strlen(p) + 10);
2459 sprintf(format, "%s : %s", "%pf", p);
2460 /* remove ending quotes and new line since we will add one too */
2461 p = format + strlen(format) - 1;
2462 if (*p == '"')
2463 *p = 0;
2464
2465 p -= 2;
2466 if (strcmp(p, "\\n") == 0)
2467 *p = 0;
2468
2469 return format;
2470}
2471
2472static void pretty_print(void *data, int size, struct event *event)
2473{
2474 struct print_fmt *print_fmt = &event->print_fmt;
2475 struct print_arg *arg = print_fmt->args;
2476 struct print_arg *args = NULL;
2477 const char *ptr = print_fmt->format;
2478 unsigned long long val;
2479 struct func_map *func;
2480 const char *saveptr;
2481 char *bprint_fmt = NULL;
2482 char format[32];
2483 int show_func;
2484 int len;
2485 int ls;
2486
2487 if (event->flags & EVENT_FL_ISFUNC)
2488 ptr = " %pF <-- %pF";
2489
2490 if (event->flags & EVENT_FL_ISBPRINT) {
2491 bprint_fmt = get_bprint_format(data, size, event);
2492 args = make_bprint_args(bprint_fmt, data, size, event);
2493 arg = args;
2494 ptr = bprint_fmt;
2495 }
2496
2497 for (; *ptr; ptr++) {
2498 ls = 0;
2499 if (*ptr == '\\') {
2500 ptr++;
2501 switch (*ptr) {
2502 case 'n':
2503 printf("\n");
2504 break;
2505 case 't':
2506 printf("\t");
2507 break;
2508 case 'r':
2509 printf("\r");
2510 break;
2511 case '\\':
2512 printf("\\");
2513 break;
2514 default:
2515 printf("%c", *ptr);
2516 break;
2517 }
2518
2519 } else if (*ptr == '%') {
2520 saveptr = ptr;
2521 show_func = 0;
2522 cont_process:
2523 ptr++;
2524 switch (*ptr) {
2525 case '%':
2526 printf("%%");
2527 break;
2528 case 'l':
2529 ls++;
2530 goto cont_process;
2531 case 'L':
2532 ls = 2;
2533 goto cont_process;
2534 case 'z':
2535 case 'Z':
2536 case '0' ... '9':
2537 goto cont_process;
2538 case 'p':
2539 if (long_size == 4)
2540 ls = 1;
2541 else
2542 ls = 2;
2543
2544 if (*(ptr+1) == 'F' ||
2545 *(ptr+1) == 'f') {
2546 ptr++;
2547 show_func = *ptr;
2548 }
2549
2550 /* fall through */
2551 case 'd':
2552 case 'i':
2553 case 'x':
2554 case 'X':
2555 case 'u':
2556 if (!arg)
2557 die("no argument match");
2558
2559 len = ((unsigned long)ptr + 1) -
2560 (unsigned long)saveptr;
2561
2562 /* should never happen */
2563 if (len > 32)
2564 die("bad format!");
2565
2566 memcpy(format, saveptr, len);
2567 format[len] = 0;
2568
2569 val = eval_num_arg(data, size, event, arg);
2570 arg = arg->next;
2571
2572 if (show_func) {
2573 func = find_func(val);
2574 if (func) {
2575 printf("%s", func->func);
2576 if (show_func == 'F')
2577 printf("+0x%llx",
2578 val - func->addr);
2579 break;
2580 }
2581 }
2582 switch (ls) {
2583 case 0:
2584 printf(format, (int)val);
2585 break;
2586 case 1:
2587 printf(format, (long)val);
2588 break;
2589 case 2:
2590 printf(format, (long long)val);
2591 break;
2592 default:
2593 die("bad count (%d)", ls);
2594 }
2595 break;
2596 case 's':
2597 if (!arg)
2598 die("no matching argument");
2599
2600 print_str_arg(data, size, event, arg);
2601 arg = arg->next;
2602 break;
2603 default:
2604 printf(">%c<", *ptr);
2605
2606 }
2607 } else
2608 printf("%c", *ptr);
2609 }
2610
2611 if (args) {
2612 free_args(args);
2613 free(bprint_fmt);
2614 }
2615}
2616
2617static inline int log10_cpu(int nb)
2618{
2619 if (nb / 100)
2620 return 3;
2621 if (nb / 10)
2622 return 2;
2623 return 1;
2624}
2625
2626static void print_lat_fmt(void *data, int size __unused)
2627{
2628 unsigned int lat_flags;
2629 unsigned int pc;
2630 int lock_depth;
2631 int hardirq;
2632 int softirq;
2633
2634 lat_flags = parse_common_flags(data);
2635 pc = parse_common_pc(data);
2636 lock_depth = parse_common_lock_depth(data);
2637
2638 hardirq = lat_flags & TRACE_FLAG_HARDIRQ;
2639 softirq = lat_flags & TRACE_FLAG_SOFTIRQ;
2640
2641 printf("%c%c%c",
2642 (lat_flags & TRACE_FLAG_IRQS_OFF) ? 'd' :
2643 (lat_flags & TRACE_FLAG_IRQS_NOSUPPORT) ?
2644 'X' : '.',
2645 (lat_flags & TRACE_FLAG_NEED_RESCHED) ?
2646 'N' : '.',
2647 (hardirq && softirq) ? 'H' :
2648 hardirq ? 'h' : softirq ? 's' : '.');
2649
2650 if (pc)
2651 printf("%x", pc);
2652 else
2653 printf(".");
2654
2655 if (lock_depth < 0)
2656 printf(". ");
2657 else
2658 printf("%d ", lock_depth);
2659}
2660
2661#define TRACE_GRAPH_INDENT 2
2662
2663static struct record *
2664get_return_for_leaf(int cpu, int cur_pid, unsigned long long cur_func,
2665 struct record *next)
2666{
2667 struct format_field *field;
2668 struct event *event;
2669 unsigned long val;
2670 int type;
2671 int pid;
2672
2673 type = trace_parse_common_type(next->data);
2674 event = trace_find_event(type);
2675 if (!event)
2676 return NULL;
2677
2678 if (!(event->flags & EVENT_FL_ISFUNCRET))
2679 return NULL;
2680
2681 pid = trace_parse_common_pid(next->data);
2682 field = find_field(event, "func");
2683 if (!field)
2684 die("function return does not have field func");
2685
2686 val = read_size(next->data + field->offset, field->size);
2687
2688 if (cur_pid != pid || cur_func != val)
2689 return NULL;
2690
2691 /* this is a leaf, now advance the iterator */
2692 return trace_read_data(cpu);
2693}
2694
2695/* Signal a overhead of time execution to the output */
2696static void print_graph_overhead(unsigned long long duration)
2697{
2698 /* Non nested entry or return */
2699 if (duration == ~0ULL)
2700 return (void)printf(" ");
2701
2702 /* Duration exceeded 100 msecs */
2703 if (duration > 100000ULL)
2704 return (void)printf("! ");
2705
2706 /* Duration exceeded 10 msecs */
2707 if (duration > 10000ULL)
2708 return (void)printf("+ ");
2709
2710 printf(" ");
2711}
2712
2713static void print_graph_duration(unsigned long long duration)
2714{
2715 unsigned long usecs = duration / 1000;
2716 unsigned long nsecs_rem = duration % 1000;
2717 /* log10(ULONG_MAX) + '\0' */
2718 char msecs_str[21];
2719 char nsecs_str[5];
2720 int len;
2721 int i;
2722
2723 sprintf(msecs_str, "%lu", usecs);
2724
2725 /* Print msecs */
2726 len = printf("%lu", usecs);
2727
2728 /* Print nsecs (we don't want to exceed 7 numbers) */
2729 if (len < 7) {
2730 snprintf(nsecs_str, 8 - len, "%03lu", nsecs_rem);
2731 len += printf(".%s", nsecs_str);
2732 }
2733
2734 printf(" us ");
2735
2736 /* Print remaining spaces to fit the row's width */
2737 for (i = len; i < 7; i++)
2738 printf(" ");
2739
2740 printf("| ");
2741}
2742
2743static void
2744print_graph_entry_leaf(struct event *event, void *data, struct record *ret_rec)
2745{
2746 unsigned long long rettime, calltime;
2747 unsigned long long duration, depth;
2748 unsigned long long val;
2749 struct format_field *field;
2750 struct func_map *func;
2751 struct event *ret_event;
2752 int type;
2753 int i;
2754
2755 type = trace_parse_common_type(ret_rec->data);
2756 ret_event = trace_find_event(type);
2757
2758 field = find_field(ret_event, "rettime");
2759 if (!field)
2760 die("can't find rettime in return graph");
2761 rettime = read_size(ret_rec->data + field->offset, field->size);
2762
2763 field = find_field(ret_event, "calltime");
2764 if (!field)
2765 die("can't find rettime in return graph");
2766 calltime = read_size(ret_rec->data + field->offset, field->size);
2767
2768 duration = rettime - calltime;
2769
2770 /* Overhead */
2771 print_graph_overhead(duration);
2772
2773 /* Duration */
2774 print_graph_duration(duration);
2775
2776 field = find_field(event, "depth");
2777 if (!field)
2778 die("can't find depth in entry graph");
2779 depth = read_size(data + field->offset, field->size);
2780
2781 /* Function */
2782 for (i = 0; i < (int)(depth * TRACE_GRAPH_INDENT); i++)
2783 printf(" ");
2784
2785 field = find_field(event, "func");
2786 if (!field)
2787 die("can't find func in entry graph");
2788 val = read_size(data + field->offset, field->size);
2789 func = find_func(val);
2790
2791 if (func)
2792 printf("%s();", func->func);
2793 else
2794 printf("%llx();", val);
2795}
2796
2797static void print_graph_nested(struct event *event, void *data)
2798{
2799 struct format_field *field;
2800 unsigned long long depth;
2801 unsigned long long val;
2802 struct func_map *func;
2803 int i;
2804
2805 /* No overhead */
2806 print_graph_overhead(-1);
2807
2808 /* No time */
2809 printf(" | ");
2810
2811 field = find_field(event, "depth");
2812 if (!field)
2813 die("can't find depth in entry graph");
2814 depth = read_size(data + field->offset, field->size);
2815
2816 /* Function */
2817 for (i = 0; i < (int)(depth * TRACE_GRAPH_INDENT); i++)
2818 printf(" ");
2819
2820 field = find_field(event, "func");
2821 if (!field)
2822 die("can't find func in entry graph");
2823 val = read_size(data + field->offset, field->size);
2824 func = find_func(val);
2825
2826 if (func)
2827 printf("%s() {", func->func);
2828 else
2829 printf("%llx() {", val);
2830}
2831
2832static void
2833pretty_print_func_ent(void *data, int size, struct event *event,
2834 int cpu, int pid)
2835{
2836 struct format_field *field;
2837 struct record *rec;
2838 void *copy_data;
2839 unsigned long val;
2840
2841 if (latency_format) {
2842 print_lat_fmt(data, size);
2843 printf(" | ");
2844 }
2845
2846 field = find_field(event, "func");
2847 if (!field)
2848 die("function entry does not have func field");
2849
2850 val = read_size(data + field->offset, field->size);
2851
2852 /*
2853 * peek_data may unmap the data pointer. Copy it first.
2854 */
2855 copy_data = malloc_or_die(size);
2856 memcpy(copy_data, data, size);
2857 data = copy_data;
2858
2859 rec = trace_peek_data(cpu);
2860 if (rec) {
2861 rec = get_return_for_leaf(cpu, pid, val, rec);
2862 if (rec) {
2863 print_graph_entry_leaf(event, data, rec);
2864 goto out_free;
2865 }
2866 }
2867 print_graph_nested(event, data);
2868out_free:
2869 free(data);
2870}
2871
2872static void
2873pretty_print_func_ret(void *data, int size __unused, struct event *event)
2874{
2875 unsigned long long rettime, calltime;
2876 unsigned long long duration, depth;
2877 struct format_field *field;
2878 int i;
2879
2880 if (latency_format) {
2881 print_lat_fmt(data, size);
2882 printf(" | ");
2883 }
2884
2885 field = find_field(event, "rettime");
2886 if (!field)
2887 die("can't find rettime in return graph");
2888 rettime = read_size(data + field->offset, field->size);
2889
2890 field = find_field(event, "calltime");
2891 if (!field)
2892 die("can't find calltime in return graph");
2893 calltime = read_size(data + field->offset, field->size);
2894
2895 duration = rettime - calltime;
2896
2897 /* Overhead */
2898 print_graph_overhead(duration);
2899
2900 /* Duration */
2901 print_graph_duration(duration);
2902
2903 field = find_field(event, "depth");
2904 if (!field)
2905 die("can't find depth in entry graph");
2906 depth = read_size(data + field->offset, field->size);
2907
2908 /* Function */
2909 for (i = 0; i < (int)(depth * TRACE_GRAPH_INDENT); i++)
2910 printf(" ");
2911
2912 printf("}");
2913}
2914
2915static void
2916pretty_print_func_graph(void *data, int size, struct event *event,
2917 int cpu, int pid)
2918{
2919 if (event->flags & EVENT_FL_ISFUNCENT)
2920 pretty_print_func_ent(data, size, event, cpu, pid);
2921 else if (event->flags & EVENT_FL_ISFUNCRET)
2922 pretty_print_func_ret(data, size, event);
2923 printf("\n");
2924}
2925
2926void print_trace_event(int cpu, void *data, int size)
2927{
2928 struct event *event;
2929 int type;
2930 int pid;
2931
2932 type = trace_parse_common_type(data);
2933
2934 event = trace_find_event(type);
2935 if (!event) {
2936 warning("ug! no event found for type %d", type);
2937 return;
2938 }
2939
2940 pid = trace_parse_common_pid(data);
2941
2942 if (event->flags & (EVENT_FL_ISFUNCENT | EVENT_FL_ISFUNCRET))
2943 return pretty_print_func_graph(data, size, event, cpu, pid);
2944
2945 if (latency_format)
2946 print_lat_fmt(data, size);
2947
2948 if (event->flags & EVENT_FL_FAILED) {
2949 printf("EVENT '%s' FAILED TO PARSE\n",
2950 event->name);
2951 return;
2952 }
2953
2954 pretty_print(data, size, event);
2955}
2956
2957static void print_fields(struct print_flag_sym *field)
2958{
2959 printf("{ %s, %s }", field->value, field->str);
2960 if (field->next) {
2961 printf(", ");
2962 print_fields(field->next);
2963 }
2964}
2965
2966static void print_args(struct print_arg *args)
2967{
2968 int print_paren = 1;
2969
2970 switch (args->type) {
2971 case PRINT_NULL:
2972 printf("null");
2973 break;
2974 case PRINT_ATOM:
2975 printf("%s", args->atom.atom);
2976 break;
2977 case PRINT_FIELD:
2978 printf("REC->%s", args->field.name);
2979 break;
2980 case PRINT_FLAGS:
2981 printf("__print_flags(");
2982 print_args(args->flags.field);
2983 printf(", %s, ", args->flags.delim);
2984 print_fields(args->flags.flags);
2985 printf(")");
2986 break;
2987 case PRINT_SYMBOL:
2988 printf("__print_symbolic(");
2989 print_args(args->symbol.field);
2990 printf(", ");
2991 print_fields(args->symbol.symbols);
2992 printf(")");
2993 break;
2994 case PRINT_STRING:
2995 printf("__get_str(%s)", args->string.string);
2996 break;
2997 case PRINT_TYPE:
2998 printf("(%s)", args->typecast.type);
2999 print_args(args->typecast.item);
3000 break;
3001 case PRINT_OP:
3002 if (strcmp(args->op.op, ":") == 0)
3003 print_paren = 0;
3004 if (print_paren)
3005 printf("(");
3006 print_args(args->op.left);
3007 printf(" %s ", args->op.op);
3008 print_args(args->op.right);
3009 if (print_paren)
3010 printf(")");
3011 break;
3012 default:
3013 /* we should warn... */
3014 return;
3015 }
3016 if (args->next) {
3017 printf("\n");
3018 print_args(args->next);
3019 }
3020}
3021
3022int parse_ftrace_file(char *buf, unsigned long size)
3023{
3024 struct format_field *field;
3025 struct print_arg *arg, **list;
3026 struct event *event;
3027 int ret;
3028
3029 init_input_buf(buf, size);
3030
3031 event = alloc_event();
3032 if (!event)
3033 return -ENOMEM;
3034
3035 event->flags |= EVENT_FL_ISFTRACE;
3036
3037 event->name = event_read_name();
3038 if (!event->name)
3039 die("failed to read ftrace event name");
3040
3041 if (strcmp(event->name, "function") == 0)
3042 event->flags |= EVENT_FL_ISFUNC;
3043
3044 else if (strcmp(event->name, "funcgraph_entry") == 0)
3045 event->flags |= EVENT_FL_ISFUNCENT;
3046
3047 else if (strcmp(event->name, "funcgraph_exit") == 0)
3048 event->flags |= EVENT_FL_ISFUNCRET;
3049
3050 else if (strcmp(event->name, "bprint") == 0)
3051 event->flags |= EVENT_FL_ISBPRINT;
3052
3053 event->id = event_read_id();
3054 if (event->id < 0)
3055 die("failed to read ftrace event id");
3056
3057 add_event(event);
3058
3059 ret = event_read_format(event);
3060 if (ret < 0)
3061 die("failed to read ftrace event format");
3062
3063 ret = event_read_print(event);
3064 if (ret < 0)
3065 die("failed to read ftrace event print fmt");
3066
3067 /* New ftrace handles args */
3068 if (ret > 0)
3069 return 0;
3070 /*
3071 * The arguments for ftrace files are parsed by the fields.
3072 * Set up the fields as their arguments.
3073 */
3074 list = &event->print_fmt.args;
3075 for (field = event->format.fields; field; field = field->next) {
3076 arg = malloc_or_die(sizeof(*arg));
3077 memset(arg, 0, sizeof(*arg));
3078 *list = arg;
3079 list = &arg->next;
3080 arg->type = PRINT_FIELD;
3081 arg->field.name = field->name;
3082 arg->field.field = field;
3083 }
3084 return 0;
3085}
3086
3087int parse_event_file(char *buf, unsigned long size, char *sys)
3088{
3089 struct event *event;
3090 int ret;
3091
3092 init_input_buf(buf, size);
3093
3094 event = alloc_event();
3095 if (!event)
3096 return -ENOMEM;
3097
3098 event->name = event_read_name();
3099 if (!event->name)
3100 die("failed to read event name");
3101
3102 event->id = event_read_id();
3103 if (event->id < 0)
3104 die("failed to read event id");
3105
3106 ret = event_read_format(event);
3107 if (ret < 0) {
3108 warning("failed to read event format for %s", event->name);
3109 goto event_failed;
3110 }
3111
3112 ret = event_read_print(event);
3113 if (ret < 0) {
3114 warning("failed to read event print fmt for %s", event->name);
3115 goto event_failed;
3116 }
3117
3118 event->system = strdup(sys);
3119
3120#define PRINT_ARGS 0
3121 if (PRINT_ARGS && event->print_fmt.args)
3122 print_args(event->print_fmt.args);
3123
3124 add_event(event);
3125 return 0;
3126
3127 event_failed:
3128 event->flags |= EVENT_FL_FAILED;
3129 /* still add it even if it failed */
3130 add_event(event);
3131 return -1;
3132}
3133
3134void parse_set_info(int nr_cpus, int long_sz)
3135{
3136 cpus = nr_cpus;
3137 long_size = long_sz;
3138}
3139
3140int common_pc(struct scripting_context *context)
3141{
3142 return parse_common_pc(context->event_data);
3143}
3144
3145int common_flags(struct scripting_context *context)
3146{
3147 return parse_common_flags(context->event_data);
3148}
3149
3150int common_lock_depth(struct scripting_context *context)
3151{
3152 return parse_common_lock_depth(context->event_data);
3153}
diff --git a/tools/perf/util/trace-event-read.c b/tools/perf/util/trace-event-read.c
index b9592e0de8d7..f097e0dd6c5c 100644
--- a/tools/perf/util/trace-event-read.c
+++ b/tools/perf/util/trace-event-read.c
@@ -52,6 +52,16 @@ static unsigned long page_size;
52static ssize_t calc_data_size; 52static ssize_t calc_data_size;
53static bool repipe; 53static bool repipe;
54 54
55static void *malloc_or_die(int size)
56{
57 void *ret;
58
59 ret = malloc(size);
60 if (!ret)
61 die("malloc");
62 return ret;
63}
64
55static int do_read(int fd, void *buf, int size) 65static int do_read(int fd, void *buf, int size)
56{ 66{
57 int rsize = size; 67 int rsize = size;
@@ -109,7 +119,7 @@ static unsigned int read4(void)
109 unsigned int data; 119 unsigned int data;
110 120
111 read_or_die(&data, 4); 121 read_or_die(&data, 4);
112 return __data2host4(data); 122 return __data2host4(perf_pevent, data);
113} 123}
114 124
115static unsigned long long read8(void) 125static unsigned long long read8(void)
@@ -117,7 +127,7 @@ static unsigned long long read8(void)
117 unsigned long long data; 127 unsigned long long data;
118 128
119 read_or_die(&data, 8); 129 read_or_die(&data, 8);
120 return __data2host8(data); 130 return __data2host8(perf_pevent, data);
121} 131}
122 132
123static char *read_string(void) 133static char *read_string(void)
@@ -282,7 +292,7 @@ struct cpu_data {
282 unsigned long long offset; 292 unsigned long long offset;
283 unsigned long long size; 293 unsigned long long size;
284 unsigned long long timestamp; 294 unsigned long long timestamp;
285 struct record *next; 295 struct pevent_record *next;
286 char *page; 296 char *page;
287 int cpu; 297 int cpu;
288 int index; 298 int index;
@@ -367,9 +377,9 @@ static int calc_index(void *ptr, int cpu)
367 return (unsigned long)ptr - (unsigned long)cpu_data[cpu].page; 377 return (unsigned long)ptr - (unsigned long)cpu_data[cpu].page;
368} 378}
369 379
370struct record *trace_peek_data(int cpu) 380struct pevent_record *trace_peek_data(int cpu)
371{ 381{
372 struct record *data; 382 struct pevent_record *data;
373 void *page = cpu_data[cpu].page; 383 void *page = cpu_data[cpu].page;
374 int idx = cpu_data[cpu].index; 384 int idx = cpu_data[cpu].index;
375 void *ptr = page + idx; 385 void *ptr = page + idx;
@@ -389,15 +399,15 @@ struct record *trace_peek_data(int cpu)
389 /* FIXME: handle header page */ 399 /* FIXME: handle header page */
390 if (header_page_ts_size != 8) 400 if (header_page_ts_size != 8)
391 die("expected a long long type for timestamp"); 401 die("expected a long long type for timestamp");
392 cpu_data[cpu].timestamp = data2host8(ptr); 402 cpu_data[cpu].timestamp = data2host8(perf_pevent, ptr);
393 ptr += 8; 403 ptr += 8;
394 switch (header_page_size_size) { 404 switch (header_page_size_size) {
395 case 4: 405 case 4:
396 cpu_data[cpu].page_size = data2host4(ptr); 406 cpu_data[cpu].page_size = data2host4(perf_pevent, ptr);
397 ptr += 4; 407 ptr += 4;
398 break; 408 break;
399 case 8: 409 case 8:
400 cpu_data[cpu].page_size = data2host8(ptr); 410 cpu_data[cpu].page_size = data2host8(perf_pevent, ptr);
401 ptr += 8; 411 ptr += 8;
402 break; 412 break;
403 default: 413 default:
@@ -414,7 +424,7 @@ read_again:
414 return trace_peek_data(cpu); 424 return trace_peek_data(cpu);
415 } 425 }
416 426
417 type_len_ts = data2host4(ptr); 427 type_len_ts = data2host4(perf_pevent, ptr);
418 ptr += 4; 428 ptr += 4;
419 429
420 type_len = type_len4host(type_len_ts); 430 type_len = type_len4host(type_len_ts);
@@ -424,14 +434,14 @@ read_again:
424 case RINGBUF_TYPE_PADDING: 434 case RINGBUF_TYPE_PADDING:
425 if (!delta) 435 if (!delta)
426 die("error, hit unexpected end of page"); 436 die("error, hit unexpected end of page");
427 length = data2host4(ptr); 437 length = data2host4(perf_pevent, ptr);
428 ptr += 4; 438 ptr += 4;
429 length *= 4; 439 length *= 4;
430 ptr += length; 440 ptr += length;
431 goto read_again; 441 goto read_again;
432 442
433 case RINGBUF_TYPE_TIME_EXTEND: 443 case RINGBUF_TYPE_TIME_EXTEND:
434 extend = data2host4(ptr); 444 extend = data2host4(perf_pevent, ptr);
435 ptr += 4; 445 ptr += 4;
436 extend <<= TS_SHIFT; 446 extend <<= TS_SHIFT;
437 extend += delta; 447 extend += delta;
@@ -442,7 +452,7 @@ read_again:
442 ptr += 12; 452 ptr += 12;
443 break; 453 break;
444 case 0: 454 case 0:
445 length = data2host4(ptr); 455 length = data2host4(perf_pevent, ptr);
446 ptr += 4; 456 ptr += 4;
447 die("here! length=%d", length); 457 die("here! length=%d", length);
448 break; 458 break;
@@ -467,9 +477,9 @@ read_again:
467 return data; 477 return data;
468} 478}
469 479
470struct record *trace_read_data(int cpu) 480struct pevent_record *trace_read_data(int cpu)
471{ 481{
472 struct record *data; 482 struct pevent_record *data;
473 483
474 data = trace_peek_data(cpu); 484 data = trace_peek_data(cpu);
475 cpu_data[cpu].next = NULL; 485 cpu_data[cpu].next = NULL;
@@ -509,6 +519,8 @@ ssize_t trace_report(int fd, bool __repipe)
509 file_bigendian = buf[0]; 519 file_bigendian = buf[0];
510 host_bigendian = bigendian(); 520 host_bigendian = bigendian();
511 521
522 read_trace_init(file_bigendian, host_bigendian);
523
512 read_or_die(buf, 1); 524 read_or_die(buf, 1);
513 long_size = buf[0]; 525 long_size = buf[0];
514 526
@@ -526,11 +538,11 @@ ssize_t trace_report(int fd, bool __repipe)
526 repipe = false; 538 repipe = false;
527 539
528 if (show_funcs) { 540 if (show_funcs) {
529 print_funcs(); 541 pevent_print_funcs(perf_pevent);
530 return size; 542 return size;
531 } 543 }
532 if (show_printk) { 544 if (show_printk) {
533 print_printk(); 545 pevent_print_printk(perf_pevent);
534 return size; 546 return size;
535 } 547 }
536 548
diff --git a/tools/perf/util/trace-event.h b/tools/perf/util/trace-event.h
index 58ae14c5baac..639852ac1117 100644
--- a/tools/perf/util/trace-event.h
+++ b/tools/perf/util/trace-event.h
@@ -1,20 +1,21 @@
1#ifndef __PERF_TRACE_EVENTS_H 1#ifndef _PERF_UTIL_TRACE_EVENT_H
2#define __PERF_TRACE_EVENTS_H 2#define _PERF_UTIL_TRACE_EVENT_H
3 3
4#include <stdbool.h>
5#include "parse-events.h" 4#include "parse-events.h"
5#include "event-parse.h"
6#include "session.h"
6 7
7struct machine; 8struct machine;
8struct perf_sample; 9struct perf_sample;
9union perf_event; 10union perf_event;
10struct thread; 11struct thread;
11 12
12#define __unused __attribute__((unused)) 13extern int header_page_size_size;
13 14extern int header_page_ts_size;
15extern int header_page_data_offset;
14 16
15#ifndef PAGE_MASK 17extern bool latency_format;
16#define PAGE_MASK (page_size - 1) 18extern struct pevent *perf_pevent;
17#endif
18 19
19enum { 20enum {
20 RINGBUF_TYPE_PADDING = 29, 21 RINGBUF_TYPE_PADDING = 29,
@@ -26,246 +27,37 @@ enum {
26#define TS_SHIFT 27 27#define TS_SHIFT 27
27#endif 28#endif
28 29
29#define NSECS_PER_SEC 1000000000ULL 30int bigendian(void);
30#define NSECS_PER_USEC 1000ULL
31
32enum format_flags {
33 FIELD_IS_ARRAY = 1,
34 FIELD_IS_POINTER = 2,
35 FIELD_IS_SIGNED = 4,
36 FIELD_IS_STRING = 8,
37 FIELD_IS_DYNAMIC = 16,
38 FIELD_IS_FLAG = 32,
39 FIELD_IS_SYMBOLIC = 64,
40};
41
42struct format_field {
43 struct format_field *next;
44 char *type;
45 char *name;
46 int offset;
47 int size;
48 unsigned long flags;
49};
50
51struct format {
52 int nr_common;
53 int nr_fields;
54 struct format_field *common_fields;
55 struct format_field *fields;
56};
57
58struct print_arg_atom {
59 char *atom;
60};
61
62struct print_arg_string {
63 char *string;
64 int offset;
65};
66
67struct print_arg_field {
68 char *name;
69 struct format_field *field;
70};
71
72struct print_flag_sym {
73 struct print_flag_sym *next;
74 char *value;
75 char *str;
76};
77
78struct print_arg_typecast {
79 char *type;
80 struct print_arg *item;
81};
82
83struct print_arg_flags {
84 struct print_arg *field;
85 char *delim;
86 struct print_flag_sym *flags;
87};
88
89struct print_arg_symbol {
90 struct print_arg *field;
91 struct print_flag_sym *symbols;
92};
93
94struct print_arg;
95
96struct print_arg_op {
97 char *op;
98 int prio;
99 struct print_arg *left;
100 struct print_arg *right;
101};
102
103struct print_arg_func {
104 char *name;
105 struct print_arg *args;
106};
107
108enum print_arg_type {
109 PRINT_NULL,
110 PRINT_ATOM,
111 PRINT_FIELD,
112 PRINT_FLAGS,
113 PRINT_SYMBOL,
114 PRINT_TYPE,
115 PRINT_STRING,
116 PRINT_OP,
117};
118
119struct print_arg {
120 struct print_arg *next;
121 enum print_arg_type type;
122 union {
123 struct print_arg_atom atom;
124 struct print_arg_field field;
125 struct print_arg_typecast typecast;
126 struct print_arg_flags flags;
127 struct print_arg_symbol symbol;
128 struct print_arg_func func;
129 struct print_arg_string string;
130 struct print_arg_op op;
131 };
132};
133
134struct print_fmt {
135 char *format;
136 struct print_arg *args;
137};
138
139struct event {
140 struct event *next;
141 char *name;
142 int id;
143 int flags;
144 struct format format;
145 struct print_fmt print_fmt;
146 char *system;
147};
148
149enum {
150 EVENT_FL_ISFTRACE = 0x01,
151 EVENT_FL_ISPRINT = 0x02,
152 EVENT_FL_ISBPRINT = 0x04,
153 EVENT_FL_ISFUNC = 0x08,
154 EVENT_FL_ISFUNCENT = 0x10,
155 EVENT_FL_ISFUNCRET = 0x20,
156
157 EVENT_FL_FAILED = 0x80000000
158};
159
160struct record {
161 unsigned long long ts;
162 int size;
163 void *data;
164};
165
166struct record *trace_peek_data(int cpu);
167struct record *trace_read_data(int cpu);
168
169void parse_set_info(int nr_cpus, int long_sz);
170
171ssize_t trace_report(int fd, bool repipe);
172
173void *malloc_or_die(unsigned int size);
174 31
175void parse_cmdlines(char *file, int size); 32int read_trace_init(int file_bigendian, int host_bigendian);
176void parse_proc_kallsyms(char *file, unsigned int size); 33void print_trace_event(int cpu, void *data, int size);
177void parse_ftrace_printk(char *file, unsigned int size);
178 34
179void print_funcs(void); 35void print_event(int cpu, void *data, int size, unsigned long long nsecs,
180void print_printk(void); 36 char *comm);
181 37
182int parse_ftrace_file(char *buf, unsigned long size); 38int parse_ftrace_file(char *buf, unsigned long size);
183int parse_event_file(char *buf, unsigned long size, char *sys); 39int parse_event_file(char *buf, unsigned long size, char *sys);
184void print_trace_event(int cpu, void *data, int size);
185
186extern int file_bigendian;
187extern int host_bigendian;
188
189int bigendian(void);
190
191static inline unsigned short __data2host2(unsigned short data)
192{
193 unsigned short swap;
194
195 if (host_bigendian == file_bigendian)
196 return data;
197 40
198 swap = ((data & 0xffULL) << 8) | 41struct pevent_record *trace_peek_data(int cpu);
199 ((data & (0xffULL << 8)) >> 8); 42struct event_format *trace_find_event(int type);
200 43
201 return swap; 44unsigned long long
202} 45raw_field_value(struct event_format *event, const char *name, void *data);
203 46void *raw_field_ptr(struct event_format *event, const char *name, void *data);
204static inline unsigned int __data2host4(unsigned int data)
205{
206 unsigned int swap;
207
208 if (host_bigendian == file_bigendian)
209 return data;
210
211 swap = ((data & 0xffULL) << 24) |
212 ((data & (0xffULL << 8)) << 8) |
213 ((data & (0xffULL << 16)) >> 8) |
214 ((data & (0xffULL << 24)) >> 24);
215
216 return swap;
217}
218
219static inline unsigned long long __data2host8(unsigned long long data)
220{
221 unsigned long long swap;
222
223 if (host_bigendian == file_bigendian)
224 return data;
225
226 swap = ((data & 0xffULL) << 56) |
227 ((data & (0xffULL << 8)) << 40) |
228 ((data & (0xffULL << 16)) << 24) |
229 ((data & (0xffULL << 24)) << 8) |
230 ((data & (0xffULL << 32)) >> 8) |
231 ((data & (0xffULL << 40)) >> 24) |
232 ((data & (0xffULL << 48)) >> 40) |
233 ((data & (0xffULL << 56)) >> 56);
234
235 return swap;
236}
237 47
238#define data2host2(ptr) __data2host2(*(unsigned short *)ptr) 48void parse_proc_kallsyms(char *file, unsigned int size __unused);
239#define data2host4(ptr) __data2host4(*(unsigned int *)ptr) 49void parse_ftrace_printk(char *file, unsigned int size __unused);
240#define data2host8(ptr) ({ \
241 unsigned long long __val; \
242 \
243 memcpy(&__val, (ptr), sizeof(unsigned long long)); \
244 __data2host8(__val); \
245})
246 50
247extern int header_page_ts_offset; 51ssize_t trace_report(int fd, bool repipe);
248extern int header_page_ts_size;
249extern int header_page_size_offset;
250extern int header_page_size_size;
251extern int header_page_data_offset;
252extern int header_page_data_size;
253
254extern bool latency_format;
255 52
256int trace_parse_common_type(void *data); 53int trace_parse_common_type(void *data);
257int trace_parse_common_pid(void *data); 54int trace_parse_common_pid(void *data);
258int parse_common_pc(void *data); 55
259int parse_common_flags(void *data); 56struct event_format *trace_find_next_event(struct event_format *event);
260int parse_common_lock_depth(void *data);
261struct event *trace_find_event(int id);
262struct event *trace_find_next_event(struct event *event);
263unsigned long long read_size(void *ptr, int size); 57unsigned long long read_size(void *ptr, int size);
264unsigned long long
265raw_field_value(struct event *event, const char *name, void *data);
266void *raw_field_ptr(struct event *event, const char *name, void *data);
267unsigned long long eval_flag(const char *flag); 58unsigned long long eval_flag(const char *flag);
268 59
60struct pevent_record *trace_read_data(int cpu);
269int read_tracing_data(int fd, struct list_head *pattrs); 61int read_tracing_data(int fd, struct list_head *pattrs);
270 62
271struct tracing_data { 63struct tracing_data {
@@ -280,15 +72,6 @@ struct tracing_data *tracing_data_get(struct list_head *pattrs,
280void tracing_data_put(struct tracing_data *tdata); 72void tracing_data_put(struct tracing_data *tdata);
281 73
282 74
283/* taken from kernel/trace/trace.h */
284enum trace_flag_type {
285 TRACE_FLAG_IRQS_OFF = 0x01,
286 TRACE_FLAG_IRQS_NOSUPPORT = 0x02,
287 TRACE_FLAG_NEED_RESCHED = 0x04,
288 TRACE_FLAG_HARDIRQ = 0x08,
289 TRACE_FLAG_SOFTIRQ = 0x10,
290};
291
292struct scripting_ops { 75struct scripting_ops {
293 const char *name; 76 const char *name;
294 int (*start_script) (const char *script, int argc, const char **argv); 77 int (*start_script) (const char *script, int argc, const char **argv);
@@ -314,4 +97,4 @@ int common_pc(struct scripting_context *context);
314int common_flags(struct scripting_context *context); 97int common_flags(struct scripting_context *context);
315int common_lock_depth(struct scripting_context *context); 98int common_lock_depth(struct scripting_context *context);
316 99
317#endif /* __PERF_TRACE_EVENTS_H */ 100#endif /* _PERF_UTIL_TRACE_EVENT_H */
generated by cgit v1.2.2 (git 2.25.0) at 2025-12-25 12:15:55 -0500