2 * Copyright (C) 2009, Steven Rostedt <srostedt@redhat.com>
4 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; version 2 of the License (not later!)
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
21 * The parts for function graph printing was taken and modified from the
22 * Linux Kernel that were written by Frederic Weisbecker.
32 #include "trace-event.h"
34 int header_page_ts_offset;
35 int header_page_ts_size;
36 int header_page_size_offset;
37 int header_page_size_size;
38 int header_page_overwrite_offset;
39 int header_page_overwrite_size;
40 int header_page_data_offset;
41 int header_page_data_size;
45 static char *input_buf;
46 static unsigned long long input_buf_ptr;
47 static unsigned long long input_buf_siz;
51 static int is_flag_field;
52 static int is_symbolic_field;
54 static struct format_field *
55 find_any_field(struct event *event, const char *name);
57 static void init_input_buf(char *buf, unsigned long long size)
69 static struct cmdline *cmdlines;
70 static int cmdline_count;
72 static int cmdline_cmp(const void *a, const void *b)
74 const struct cmdline *ca = a;
75 const struct cmdline *cb = b;
77 if (ca->pid < cb->pid)
79 if (ca->pid > cb->pid)
85 void parse_cmdlines(char *file, int size __unused)
88 struct cmdline_list *next;
91 } *list = NULL, *item;
96 line = strtok_r(file, "\n", &next);
98 item = malloc_or_die(sizeof(*item));
99 sscanf(line, "%d %as", &item->pid,
100 (float *)(void *)&item->comm); /* workaround gcc warning */
103 line = strtok_r(NULL, "\n", &next);
107 cmdlines = malloc_or_die(sizeof(*cmdlines) * cmdline_count);
111 cmdlines[i].pid = list->pid;
112 cmdlines[i].comm = list->comm;
119 qsort(cmdlines, cmdline_count, sizeof(*cmdlines), cmdline_cmp);
122 static struct func_map {
123 unsigned long long addr;
127 static unsigned int func_count;
129 static int func_cmp(const void *a, const void *b)
131 const struct func_map *fa = a;
132 const struct func_map *fb = b;
134 if (fa->addr < fb->addr)
136 if (fa->addr > fb->addr)
142 void parse_proc_kallsyms(char *file, unsigned int size __unused)
145 struct func_list *next;
146 unsigned long long addr;
149 } *list = NULL, *item;
157 line = strtok_r(file, "\n", &next);
159 item = malloc_or_die(sizeof(*item));
161 ret = sscanf(line, "%as %c %as\t[%as",
162 (float *)(void *)&addr_str, /* workaround gcc warning */
164 (float *)(void *)&item->func,
165 (float *)(void *)&item->mod);
166 item->addr = strtoull(addr_str, NULL, 16);
169 /* truncate the extra ']' */
171 item->mod[strlen(item->mod) - 1] = 0;
176 line = strtok_r(NULL, "\n", &next);
180 func_list = malloc_or_die(sizeof(*func_list) * (func_count + 1));
184 func_list[i].func = list->func;
185 func_list[i].addr = list->addr;
186 func_list[i].mod = list->mod;
193 qsort(func_list, func_count, sizeof(*func_list), func_cmp);
196 * Add a special record at the end.
198 func_list[func_count].func = NULL;
199 func_list[func_count].addr = 0;
200 func_list[func_count].mod = NULL;
204 * We are searching for a record in between, not an exact
207 static int func_bcmp(const void *a, const void *b)
209 const struct func_map *fa = a;
210 const struct func_map *fb = b;
212 if ((fa->addr == fb->addr) ||
214 (fa->addr > fb->addr &&
215 fa->addr < (fb+1)->addr))
218 if (fa->addr < fb->addr)
224 static struct func_map *find_func(unsigned long long addr)
226 struct func_map *func;
231 func = bsearch(&key, func_list, func_count, sizeof(*func_list),
237 void print_funcs(void)
241 for (i = 0; i < (int)func_count; i++) {
245 if (func_list[i].mod)
246 printf(" [%s]\n", func_list[i].mod);
252 static struct printk_map {
253 unsigned long long addr;
256 static unsigned int printk_count;
258 static int printk_cmp(const void *a, const void *b)
260 const struct func_map *fa = a;
261 const struct func_map *fb = b;
263 if (fa->addr < fb->addr)
265 if (fa->addr > fb->addr)
271 static struct printk_map *find_printk(unsigned long long addr)
273 struct printk_map *printk;
274 struct printk_map key;
278 printk = bsearch(&key, printk_list, printk_count, sizeof(*printk_list),
284 void parse_ftrace_printk(char *file, unsigned int size __unused)
287 struct printk_list *next;
288 unsigned long long addr;
290 } *list = NULL, *item;
296 line = strtok_r(file, "\n", &next);
298 addr_str = strsep(&line, ":");
300 warning("error parsing print strings");
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);
309 line = strtok_r(NULL, "\n", &next);
313 printk_list = malloc_or_die(sizeof(*printk_list) * printk_count + 1);
317 printk_list[i].printk = list->printk;
318 printk_list[i].addr = list->addr;
325 qsort(printk_list, printk_count, sizeof(*printk_list), printk_cmp);
328 void print_printk(void)
332 for (i = 0; i < (int)printk_count; i++) {
333 printf("%016llx %s\n",
335 printk_list[i].printk);
339 static struct event *alloc_event(void)
343 event = malloc_or_die(sizeof(*event));
344 memset(event, 0, sizeof(*event));
361 static struct event *event_list;
363 static void add_event(struct event *event)
365 event->next = event_list;
369 static int event_item_type(enum event_type type)
372 case EVENT_ITEM ... EVENT_SQUOTE:
374 case EVENT_ERROR ... EVENT_DELIM:
380 static void free_arg(struct print_arg *arg)
388 free(arg->atom.atom);
391 case PRINT_FIELD ... PRINT_OP:
400 static enum event_type get_type(int ch)
403 return EVENT_NEWLINE;
406 if (isalnum(ch) || ch == '_')
414 if (ch == '(' || ch == ')' || ch == ',')
420 static int __read_char(void)
422 if (input_buf_ptr >= input_buf_siz)
425 return input_buf[input_buf_ptr++];
428 static int __peek_char(void)
430 if (input_buf_ptr >= input_buf_siz)
433 return input_buf[input_buf_ptr];
436 static enum event_type __read_token(char **tok)
439 int ch, last_ch, quote_ch, next_ch;
442 enum event_type type;
452 if (type == EVENT_NONE)
460 *tok = malloc_or_die(2);
468 next_ch = __peek_char();
469 if (next_ch == '>') {
470 buf[i++] = __read_char();
483 buf[i++] = __read_char();
495 default: /* what should we do instead? */
505 buf[i++] = __read_char();
510 /* don't keep quotes */
515 if (i == (BUFSIZ - 1)) {
518 *tok = realloc(*tok, tok_size + BUFSIZ);
533 /* the '\' '\' will cancel itself */
534 if (ch == '\\' && last_ch == '\\')
536 } while (ch != quote_ch || last_ch == '\\');
537 /* remove the last quote */
541 case EVENT_ERROR ... EVENT_SPACE:
547 while (get_type(__peek_char()) == type) {
548 if (i == (BUFSIZ - 1)) {
551 *tok = realloc(*tok, tok_size + BUFSIZ);
570 *tok = realloc(*tok, tok_size + i);
582 static void free_token(char *tok)
588 static enum event_type read_token(char **tok)
590 enum event_type type;
593 type = __read_token(tok);
594 if (type != EVENT_SPACE)
605 static enum event_type read_token_item(char **tok)
607 enum event_type type;
610 type = __read_token(tok);
611 if (type != EVENT_SPACE && type != EVENT_NEWLINE)
621 static int test_type(enum event_type type, enum event_type expect)
623 if (type != expect) {
624 warning("Error: expected type %d but read %d",
631 static int __test_type_token(enum event_type type, char *token,
632 enum event_type expect, const char *expect_tok,
635 if (type != expect) {
637 warning("Error: expected type %d but read %d",
642 if (strcmp(token, expect_tok) != 0) {
644 warning("Error: expected '%s' but read '%s'",
651 static int test_type_token(enum event_type type, char *token,
652 enum event_type expect, const char *expect_tok)
654 return __test_type_token(type, token, expect, expect_tok, true);
657 static int __read_expect_type(enum event_type expect, char **tok, int newline_ok)
659 enum event_type type;
662 type = read_token(tok);
664 type = read_token_item(tok);
665 return test_type(type, expect);
668 static int read_expect_type(enum event_type expect, char **tok)
670 return __read_expect_type(expect, tok, 1);
673 static int __read_expected(enum event_type expect, const char *str,
674 int newline_ok, bool warn)
676 enum event_type type;
681 type = read_token(&token);
683 type = read_token_item(&token);
685 ret = __test_type_token(type, token, expect, str, warn);
692 static int read_expected(enum event_type expect, const char *str)
694 return __read_expected(expect, str, 1, true);
697 static int read_expected_item(enum event_type expect, const char *str)
699 return __read_expected(expect, str, 0, true);
702 static char *event_read_name(void)
706 if (read_expected(EVENT_ITEM, "name") < 0)
709 if (read_expected(EVENT_OP, ":") < 0)
712 if (read_expect_type(EVENT_ITEM, &token) < 0)
722 static int event_read_id(void)
727 if (read_expected_item(EVENT_ITEM, "ID") < 0)
730 if (read_expected(EVENT_OP, ":") < 0)
733 if (read_expect_type(EVENT_ITEM, &token) < 0)
736 id = strtoul(token, NULL, 0);
745 static int field_is_string(struct format_field *field)
747 if ((field->flags & FIELD_IS_ARRAY) &&
748 (!strstr(field->type, "char") || !strstr(field->type, "u8") ||
749 !strstr(field->type, "s8")))
755 static int field_is_dynamic(struct format_field *field)
757 if (!strncmp(field->type, "__data_loc", 10))
763 static int event_read_fields(struct event *event, struct format_field **fields)
765 struct format_field *field = NULL;
766 enum event_type type;
772 type = read_token(&token);
773 if (type == EVENT_NEWLINE) {
780 if (test_type_token(type, token, EVENT_ITEM, "field"))
784 type = read_token(&token);
786 * The ftrace fields may still use the "special" name.
789 if (event->flags & EVENT_FL_ISFTRACE &&
790 type == EVENT_ITEM && strcmp(token, "special") == 0) {
792 type = read_token(&token);
795 if (test_type_token(type, token, EVENT_OP, ":") < 0)
798 if (read_expect_type(EVENT_ITEM, &token) < 0)
803 field = malloc_or_die(sizeof(*field));
804 memset(field, 0, sizeof(*field));
806 /* read the rest of the type */
808 type = read_token(&token);
809 if (type == EVENT_ITEM ||
810 (type == EVENT_OP && strcmp(token, "*") == 0) ||
812 * Some of the ftrace fields are broken and have
813 * an illegal "." in them.
815 (event->flags & EVENT_FL_ISFTRACE &&
816 type == EVENT_OP && strcmp(token, ".") == 0)) {
818 if (strcmp(token, "*") == 0)
819 field->flags |= FIELD_IS_POINTER;
822 field->type = realloc(field->type,
823 strlen(field->type) +
824 strlen(last_token) + 2);
825 strcat(field->type, " ");
826 strcat(field->type, last_token);
828 field->type = last_token;
837 die("no type found");
840 field->name = last_token;
842 if (test_type(type, EVENT_OP))
845 if (strcmp(token, "[") == 0) {
846 enum event_type last_type = type;
847 char *brackets = token;
850 field->flags |= FIELD_IS_ARRAY;
852 type = read_token(&token);
853 while (strcmp(token, "]") != 0) {
854 if (last_type == EVENT_ITEM &&
861 brackets = realloc(brackets,
863 strlen(token) + len);
865 strcat(brackets, " ");
866 strcat(brackets, token);
868 type = read_token(&token);
869 if (type == EVENT_NONE) {
870 die("failed to find token");
877 brackets = realloc(brackets, strlen(brackets) + 2);
878 strcat(brackets, "]");
880 /* add brackets to type */
882 type = read_token(&token);
884 * If the next token is not an OP, then it is of
885 * the format: type [] item;
887 if (type == EVENT_ITEM) {
888 field->type = realloc(field->type,
889 strlen(field->type) +
890 strlen(field->name) +
891 strlen(brackets) + 2);
892 strcat(field->type, " ");
893 strcat(field->type, field->name);
894 free_token(field->name);
895 strcat(field->type, brackets);
897 type = read_token(&token);
899 field->type = realloc(field->type,
900 strlen(field->type) +
901 strlen(brackets) + 1);
902 strcat(field->type, brackets);
907 if (field_is_string(field)) {
908 field->flags |= FIELD_IS_STRING;
909 if (field_is_dynamic(field))
910 field->flags |= FIELD_IS_DYNAMIC;
913 if (test_type_token(type, token, EVENT_OP, ";"))
917 if (read_expected(EVENT_ITEM, "offset") < 0)
920 if (read_expected(EVENT_OP, ":") < 0)
923 if (read_expect_type(EVENT_ITEM, &token))
925 field->offset = strtoul(token, NULL, 0);
928 if (read_expected(EVENT_OP, ";") < 0)
931 if (read_expected(EVENT_ITEM, "size") < 0)
934 if (read_expected(EVENT_OP, ":") < 0)
937 if (read_expect_type(EVENT_ITEM, &token))
939 field->size = strtoul(token, NULL, 0);
942 if (read_expected(EVENT_OP, ";") < 0)
945 type = read_token(&token);
946 if (type != EVENT_NEWLINE) {
947 /* newer versions of the kernel have a "signed" type */
948 if (test_type_token(type, token, EVENT_ITEM, "signed"))
953 if (read_expected(EVENT_OP, ":") < 0)
956 if (read_expect_type(EVENT_ITEM, &token))
959 if (strtoul(token, NULL, 0))
960 field->flags |= FIELD_IS_SIGNED;
963 if (read_expected(EVENT_OP, ";") < 0)
966 if (read_expect_type(EVENT_NEWLINE, &token))
973 fields = &field->next;
987 static int event_read_format(struct event *event)
992 if (read_expected_item(EVENT_ITEM, "format") < 0)
995 if (read_expected(EVENT_OP, ":") < 0)
998 if (read_expect_type(EVENT_NEWLINE, &token))
1002 ret = event_read_fields(event, &event->format.common_fields);
1005 event->format.nr_common = ret;
1007 ret = event_read_fields(event, &event->format.fields);
1010 event->format.nr_fields = ret;
1020 process_arg_token(struct event *event, struct print_arg *arg,
1021 char **tok, enum event_type type);
1023 static enum event_type
1024 process_arg(struct event *event, struct print_arg *arg, char **tok)
1026 enum event_type type;
1029 type = read_token(&token);
1032 return process_arg_token(event, arg, tok, type);
1035 static enum event_type
1036 process_cond(struct event *event, struct print_arg *top, char **tok)
1038 struct print_arg *arg, *left, *right;
1039 enum event_type type;
1042 arg = malloc_or_die(sizeof(*arg));
1043 memset(arg, 0, sizeof(*arg));
1045 left = malloc_or_die(sizeof(*left));
1047 right = malloc_or_die(sizeof(*right));
1049 arg->type = PRINT_OP;
1050 arg->op.left = left;
1051 arg->op.right = right;
1054 type = process_arg(event, left, &token);
1055 if (test_type_token(type, token, EVENT_OP, ":"))
1060 type = process_arg(event, right, &token);
1062 top->op.right = arg;
1075 static enum event_type
1076 process_array(struct event *event, struct print_arg *top, char **tok)
1078 struct print_arg *arg;
1079 enum event_type type;
1082 arg = malloc_or_die(sizeof(*arg));
1083 memset(arg, 0, sizeof(*arg));
1086 type = process_arg(event, arg, &token);
1087 if (test_type_token(type, token, EVENT_OP, "]"))
1090 top->op.right = arg;
1093 type = read_token_item(&token);
1104 static int get_op_prio(char *op)
1115 /* '>>' and '<<' are 8 */
1119 /* '==' and '!=' are 10 */
1129 die("unknown op '%c'", op[0]);
1133 if (strcmp(op, "++") == 0 ||
1134 strcmp(op, "--") == 0) {
1136 } else if (strcmp(op, ">>") == 0 ||
1137 strcmp(op, "<<") == 0) {
1139 } else if (strcmp(op, ">=") == 0 ||
1140 strcmp(op, "<=") == 0) {
1142 } else if (strcmp(op, "==") == 0 ||
1143 strcmp(op, "!=") == 0) {
1145 } else if (strcmp(op, "&&") == 0) {
1147 } else if (strcmp(op, "||") == 0) {
1150 die("unknown op '%s'", op);
1156 static void set_op_prio(struct print_arg *arg)
1159 /* single ops are the greatest */
1160 if (!arg->op.left || arg->op.left->type == PRINT_NULL) {
1165 arg->op.prio = get_op_prio(arg->op.op);
1168 static enum event_type
1169 process_op(struct event *event, struct print_arg *arg, char **tok)
1171 struct print_arg *left, *right = NULL;
1172 enum event_type type;
1175 /* the op is passed in via tok */
1178 if (arg->type == PRINT_OP && !arg->op.left) {
1179 /* handle single op */
1181 die("bad op token %s", token);
1190 die("bad op token %s", token);
1194 /* make an empty left */
1195 left = malloc_or_die(sizeof(*left));
1196 left->type = PRINT_NULL;
1197 arg->op.left = left;
1199 right = malloc_or_die(sizeof(*right));
1200 arg->op.right = right;
1202 type = process_arg(event, right, tok);
1204 } else if (strcmp(token, "?") == 0) {
1206 left = malloc_or_die(sizeof(*left));
1207 /* copy the top arg to the left */
1210 arg->type = PRINT_OP;
1212 arg->op.left = left;
1215 type = process_cond(event, arg, tok);
1217 } else if (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 strcmp(token, "==") == 0 ||
1231 strcmp(token, "!=") == 0) {
1233 left = malloc_or_die(sizeof(*left));
1235 /* copy the top arg to the left */
1238 arg->type = PRINT_OP;
1240 arg->op.left = left;
1244 right = malloc_or_die(sizeof(*right));
1246 type = read_token_item(&token);
1249 /* could just be a type pointer */
1250 if ((strcmp(arg->op.op, "*") == 0) &&
1251 type == EVENT_DELIM && (strcmp(token, ")") == 0)) {
1252 if (left->type != PRINT_ATOM)
1253 die("bad pointer type");
1254 left->atom.atom = realloc(left->atom.atom,
1255 sizeof(left->atom.atom) + 3);
1256 strcat(left->atom.atom, " *");
1263 type = process_arg_token(event, right, tok, type);
1265 arg->op.right = right;
1267 } else if (strcmp(token, "[") == 0) {
1269 left = malloc_or_die(sizeof(*left));
1272 arg->type = PRINT_OP;
1274 arg->op.left = left;
1277 type = process_array(event, arg, tok);
1280 warning("unknown op '%s'", token);
1281 event->flags |= EVENT_FL_FAILED;
1282 /* the arg is now the left side */
1286 if (type == EVENT_OP) {
1289 /* higher prios need to be closer to the root */
1290 prio = get_op_prio(*tok);
1292 if (prio > arg->op.prio)
1293 return process_op(event, arg, tok);
1295 return process_op(event, right, tok);
1301 static enum event_type
1302 process_entry(struct event *event __unused, struct print_arg *arg,
1305 enum event_type type;
1309 if (read_expected(EVENT_OP, "->") < 0)
1312 if (read_expect_type(EVENT_ITEM, &token) < 0)
1316 arg->type = PRINT_FIELD;
1317 arg->field.name = field;
1319 if (is_flag_field) {
1320 arg->field.field = find_any_field(event, arg->field.name);
1321 arg->field.field->flags |= FIELD_IS_FLAG;
1323 } else if (is_symbolic_field) {
1324 arg->field.field = find_any_field(event, arg->field.name);
1325 arg->field.field->flags |= FIELD_IS_SYMBOLIC;
1326 is_symbolic_field = 0;
1329 type = read_token(&token);
1339 static char *arg_eval (struct print_arg *arg);
1341 static long long arg_num_eval(struct print_arg *arg)
1343 long long left, right;
1346 switch (arg->type) {
1348 val = strtoll(arg->atom.atom, NULL, 0);
1351 val = arg_num_eval(arg->typecast.item);
1354 switch (arg->op.op[0]) {
1356 left = arg_num_eval(arg->op.left);
1357 right = arg_num_eval(arg->op.right);
1359 val = left || right;
1364 left = arg_num_eval(arg->op.left);
1365 right = arg_num_eval(arg->op.right);
1367 val = left && right;
1372 left = arg_num_eval(arg->op.left);
1373 right = arg_num_eval(arg->op.right);
1374 switch (arg->op.op[1]) {
1379 val = left << right;
1382 val = left <= right;
1385 die("unknown op '%s'", arg->op.op);
1389 left = arg_num_eval(arg->op.left);
1390 right = arg_num_eval(arg->op.right);
1391 switch (arg->op.op[1]) {
1396 val = left >> right;
1399 val = left >= right;
1402 die("unknown op '%s'", arg->op.op);
1406 left = arg_num_eval(arg->op.left);
1407 right = arg_num_eval(arg->op.right);
1409 if (arg->op.op[1] != '=')
1410 die("unknown op '%s'", arg->op.op);
1412 val = left == right;
1415 left = arg_num_eval(arg->op.left);
1416 right = arg_num_eval(arg->op.right);
1418 switch (arg->op.op[1]) {
1420 val = left != right;
1423 die("unknown op '%s'", arg->op.op);
1427 left = arg_num_eval(arg->op.left);
1428 right = arg_num_eval(arg->op.right);
1432 die("unknown op '%s'", arg->op.op);
1437 case PRINT_FIELD ... PRINT_SYMBOL:
1440 die("invalid eval type %d", arg->type);
1446 static char *arg_eval (struct print_arg *arg)
1449 static char buf[20];
1451 switch (arg->type) {
1453 return arg->atom.atom;
1455 return arg_eval(arg->typecast.item);
1457 val = arg_num_eval(arg);
1458 sprintf(buf, "%lld", val);
1462 case PRINT_FIELD ... PRINT_SYMBOL:
1465 die("invalid eval type %d", arg->type);
1472 static enum event_type
1473 process_fields(struct event *event, struct print_flag_sym **list, char **tok)
1475 enum event_type type;
1476 struct print_arg *arg = NULL;
1477 struct print_flag_sym *field;
1483 type = read_token_item(&token);
1484 if (test_type_token(type, token, EVENT_OP, "{"))
1487 arg = malloc_or_die(sizeof(*arg));
1490 type = process_arg(event, arg, &token);
1492 if (type == EVENT_OP)
1493 type = process_op(event, arg, &token);
1495 if (type == EVENT_ERROR)
1498 if (test_type_token(type, token, EVENT_DELIM, ","))
1501 field = malloc_or_die(sizeof(*field));
1502 memset(field, 0, sizeof(*field));
1504 value = arg_eval(arg);
1505 field->value = strdup(value);
1508 type = process_arg(event, arg, &token);
1509 if (test_type_token(type, token, EVENT_OP, "}"))
1512 value = arg_eval(arg);
1513 field->str = strdup(value);
1518 list = &field->next;
1521 type = read_token_item(&token);
1522 } while (type == EVENT_DELIM && strcmp(token, ",") == 0);
1534 static enum event_type
1535 process_flags(struct event *event, struct print_arg *arg, char **tok)
1537 struct print_arg *field;
1538 enum event_type type;
1541 memset(arg, 0, sizeof(*arg));
1542 arg->type = PRINT_FLAGS;
1544 if (read_expected_item(EVENT_DELIM, "(") < 0)
1547 field = malloc_or_die(sizeof(*field));
1549 type = process_arg(event, field, &token);
1550 while (type == EVENT_OP)
1551 type = process_op(event, field, &token);
1552 if (test_type_token(type, token, EVENT_DELIM, ","))
1555 arg->flags.field = field;
1557 type = read_token_item(&token);
1558 if (event_item_type(type)) {
1559 arg->flags.delim = token;
1560 type = read_token_item(&token);
1563 if (test_type_token(type, token, EVENT_DELIM, ","))
1566 type = process_fields(event, &arg->flags.flags, &token);
1567 if (test_type_token(type, token, EVENT_DELIM, ")"))
1571 type = read_token_item(tok);
1579 static enum event_type
1580 process_symbols(struct event *event, struct print_arg *arg, char **tok)
1582 struct print_arg *field;
1583 enum event_type type;
1586 memset(arg, 0, sizeof(*arg));
1587 arg->type = PRINT_SYMBOL;
1589 if (read_expected_item(EVENT_DELIM, "(") < 0)
1592 field = malloc_or_die(sizeof(*field));
1594 type = process_arg(event, field, &token);
1595 if (test_type_token(type, token, EVENT_DELIM, ","))
1598 arg->symbol.field = field;
1600 type = process_fields(event, &arg->symbol.symbols, &token);
1601 if (test_type_token(type, token, EVENT_DELIM, ")"))
1605 type = read_token_item(tok);
1613 static enum event_type
1614 process_paren(struct event *event, struct print_arg *arg, char **tok)
1616 struct print_arg *item_arg;
1617 enum event_type type;
1620 type = process_arg(event, arg, &token);
1622 if (type == EVENT_ERROR)
1625 if (type == EVENT_OP)
1626 type = process_op(event, arg, &token);
1628 if (type == EVENT_ERROR)
1631 if (test_type_token(type, token, EVENT_DELIM, ")")) {
1637 type = read_token_item(&token);
1640 * If the next token is an item or another open paren, then
1641 * this was a typecast.
1643 if (event_item_type(type) ||
1644 (type == EVENT_DELIM && strcmp(token, "(") == 0)) {
1646 /* make this a typecast and contine */
1648 /* prevous must be an atom */
1649 if (arg->type != PRINT_ATOM)
1650 die("previous needed to be PRINT_ATOM");
1652 item_arg = malloc_or_die(sizeof(*item_arg));
1654 arg->type = PRINT_TYPE;
1655 arg->typecast.type = arg->atom.atom;
1656 arg->typecast.item = item_arg;
1657 type = process_arg_token(event, item_arg, &token, type);
1666 static enum event_type
1667 process_str(struct event *event __unused, struct print_arg *arg, char **tok)
1669 enum event_type type;
1672 if (read_expected(EVENT_DELIM, "(") < 0)
1675 if (read_expect_type(EVENT_ITEM, &token) < 0)
1678 arg->type = PRINT_STRING;
1679 arg->string.string = token;
1680 arg->string.offset = -1;
1682 if (read_expected(EVENT_DELIM, ")") < 0)
1685 type = read_token(&token);
1695 process_arg_token(struct event *event, struct print_arg *arg,
1696 char **tok, enum event_type type)
1705 if (strcmp(token, "REC") == 0) {
1707 type = process_entry(event, arg, &token);
1708 } else if (strcmp(token, "__print_flags") == 0) {
1711 type = process_flags(event, arg, &token);
1712 } else if (strcmp(token, "__print_symbolic") == 0) {
1714 is_symbolic_field = 1;
1715 type = process_symbols(event, arg, &token);
1716 } else if (strcmp(token, "__get_str") == 0) {
1718 type = process_str(event, arg, &token);
1721 /* test the next token */
1722 type = read_token_item(&token);
1724 /* atoms can be more than one token long */
1725 while (type == EVENT_ITEM) {
1726 atom = realloc(atom, strlen(atom) + strlen(token) + 2);
1728 strcat(atom, token);
1730 type = read_token_item(&token);
1733 /* todo, test for function */
1735 arg->type = PRINT_ATOM;
1736 arg->atom.atom = atom;
1741 arg->type = PRINT_ATOM;
1742 arg->atom.atom = token;
1743 type = read_token_item(&token);
1746 if (strcmp(token, "(") == 0) {
1748 type = process_paren(event, arg, &token);
1752 /* handle single ops */
1753 arg->type = PRINT_OP;
1755 arg->op.left = NULL;
1756 type = process_op(event, arg, &token);
1760 case EVENT_ERROR ... EVENT_NEWLINE:
1762 die("unexpected type %d", type);
1769 static int event_read_print_args(struct event *event, struct print_arg **list)
1771 enum event_type type = EVENT_ERROR;
1772 struct print_arg *arg;
1777 if (type == EVENT_NEWLINE) {
1779 type = read_token_item(&token);
1783 arg = malloc_or_die(sizeof(*arg));
1784 memset(arg, 0, sizeof(*arg));
1786 type = process_arg(event, arg, &token);
1788 if (type == EVENT_ERROR) {
1796 if (type == EVENT_OP) {
1797 type = process_op(event, arg, &token);
1802 if (type == EVENT_DELIM && strcmp(token, ",") == 0) {
1809 } while (type != EVENT_NONE);
1811 if (type != EVENT_NONE)
1817 static int event_read_print(struct event *event)
1819 enum event_type type;
1823 if (read_expected_item(EVENT_ITEM, "print") < 0)
1826 if (read_expected(EVENT_ITEM, "fmt") < 0)
1829 if (read_expected(EVENT_OP, ":") < 0)
1832 if (read_expect_type(EVENT_DQUOTE, &token) < 0)
1836 event->print_fmt.format = token;
1837 event->print_fmt.args = NULL;
1839 /* ok to have no arg */
1840 type = read_token_item(&token);
1842 if (type == EVENT_NONE)
1845 /* Handle concatination of print lines */
1846 if (type == EVENT_DQUOTE) {
1849 cat = malloc_or_die(strlen(event->print_fmt.format) +
1851 strcpy(cat, event->print_fmt.format);
1854 free_token(event->print_fmt.format);
1855 event->print_fmt.format = NULL;
1860 if (test_type_token(type, token, EVENT_DELIM, ","))
1865 ret = event_read_print_args(event, &event->print_fmt.args);
1876 static struct format_field *
1877 find_common_field(struct event *event, const char *name)
1879 struct format_field *format;
1881 for (format = event->format.common_fields;
1882 format; format = format->next) {
1883 if (strcmp(format->name, name) == 0)
1890 static struct format_field *
1891 find_field(struct event *event, const char *name)
1893 struct format_field *format;
1895 for (format = event->format.fields;
1896 format; format = format->next) {
1897 if (strcmp(format->name, name) == 0)
1904 static struct format_field *
1905 find_any_field(struct event *event, const char *name)
1907 struct format_field *format;
1909 format = find_common_field(event, name);
1912 return find_field(event, name);
1915 unsigned long long read_size(void *ptr, int size)
1919 return *(unsigned char *)ptr;
1921 return data2host2(ptr);
1923 return data2host4(ptr);
1925 return data2host8(ptr);
1933 raw_field_value(struct event *event, const char *name, void *data)
1935 struct format_field *field;
1937 field = find_any_field(event, name);
1941 return read_size(data + field->offset, field->size);
1944 void *raw_field_ptr(struct event *event, const char *name, void *data)
1946 struct format_field *field;
1948 field = find_any_field(event, name);
1952 if (field->flags & FIELD_IS_DYNAMIC) {
1955 offset = *(int *)(data + field->offset);
1958 return data + offset;
1961 return data + field->offset;
1964 static int get_common_info(const char *type, int *offset, int *size)
1966 struct event *event;
1967 struct format_field *field;
1970 * All events should have the same common elements.
1971 * Pick any event to find where the type is;
1974 die("no event_list!");
1977 field = find_common_field(event, type);
1979 die("field '%s' not found", type);
1981 *offset = field->offset;
1982 *size = field->size;
1987 static int __parse_common(void *data, int *size, int *offset,
1993 ret = get_common_info(name, offset, size);
1997 return read_size(data + *offset, *size);
2000 int trace_parse_common_type(void *data)
2002 static int type_offset;
2003 static int type_size;
2005 return __parse_common(data, &type_size, &type_offset,
2009 int trace_parse_common_pid(void *data)
2011 static int pid_offset;
2012 static int pid_size;
2014 return __parse_common(data, &pid_size, &pid_offset,
2018 int parse_common_pc(void *data)
2020 static int pc_offset;
2023 return __parse_common(data, &pc_size, &pc_offset,
2024 "common_preempt_count");
2027 int parse_common_flags(void *data)
2029 static int flags_offset;
2030 static int flags_size;
2032 return __parse_common(data, &flags_size, &flags_offset,
2036 int parse_common_lock_depth(void *data)
2038 static int ld_offset;
2042 ret = __parse_common(data, &ld_size, &ld_offset,
2043 "common_lock_depth");
2050 struct event *trace_find_event(int id)
2052 struct event *event;
2054 for (event = event_list; event; event = event->next) {
2055 if (event->id == id)
2061 struct event *trace_find_next_event(struct event *event)
2069 static unsigned long long eval_num_arg(void *data, int size,
2070 struct event *event, struct print_arg *arg)
2072 unsigned long long val = 0;
2073 unsigned long long left, right;
2074 struct print_arg *larg;
2076 switch (arg->type) {
2081 return strtoull(arg->atom.atom, NULL, 0);
2083 if (!arg->field.field) {
2084 arg->field.field = find_any_field(event, arg->field.name);
2085 if (!arg->field.field)
2086 die("field %s not found", arg->field.name);
2088 /* must be a number */
2089 val = read_size(data + arg->field.field->offset,
2090 arg->field.field->size);
2096 return eval_num_arg(data, size, event, arg->typecast.item);
2101 if (strcmp(arg->op.op, "[") == 0) {
2103 * Arrays are special, since we don't want
2104 * to read the arg as is.
2106 if (arg->op.left->type != PRINT_FIELD)
2107 goto default_op; /* oops, all bets off */
2108 larg = arg->op.left;
2109 if (!larg->field.field) {
2111 find_any_field(event, larg->field.name);
2112 if (!larg->field.field)
2113 die("field %s not found", larg->field.name);
2115 right = eval_num_arg(data, size, event, arg->op.right);
2116 val = read_size(data + larg->field.field->offset +
2117 right * long_size, long_size);
2121 left = eval_num_arg(data, size, event, arg->op.left);
2122 right = eval_num_arg(data, size, event, arg->op.right);
2123 switch (arg->op.op[0]) {
2126 val = left || right;
2132 val = left && right;
2137 switch (arg->op.op[1]) {
2142 val = left << right;
2145 val = left <= right;
2148 die("unknown op '%s'", arg->op.op);
2152 switch (arg->op.op[1]) {
2157 val = left >> right;
2160 val = left >= right;
2163 die("unknown op '%s'", arg->op.op);
2167 if (arg->op.op[1] != '=')
2168 die("unknown op '%s'", arg->op.op);
2169 val = left == right;
2178 die("unknown op '%s'", arg->op.op);
2181 default: /* not sure what to do there */
2189 unsigned long long value;
2192 static const struct flag flags[] = {
2193 { "HI_SOFTIRQ", 0 },
2194 { "TIMER_SOFTIRQ", 1 },
2195 { "NET_TX_SOFTIRQ", 2 },
2196 { "NET_RX_SOFTIRQ", 3 },
2197 { "BLOCK_SOFTIRQ", 4 },
2198 { "BLOCK_IOPOLL_SOFTIRQ", 5 },
2199 { "TASKLET_SOFTIRQ", 6 },
2200 { "SCHED_SOFTIRQ", 7 },
2201 { "HRTIMER_SOFTIRQ", 8 },
2202 { "RCU_SOFTIRQ", 9 },
2204 { "HRTIMER_NORESTART", 0 },
2205 { "HRTIMER_RESTART", 1 },
2208 unsigned long long eval_flag(const char *flag)
2213 * Some flags in the format files do not get converted.
2214 * If the flag is not numeric, see if it is something that
2215 * we already know about.
2217 if (isdigit(flag[0]))
2218 return strtoull(flag, NULL, 0);
2220 for (i = 0; i < (int)(sizeof(flags)/sizeof(flags[0])); i++)
2221 if (strcmp(flags[i].name, flag) == 0)
2222 return flags[i].value;
2227 static void print_str_arg(void *data, int size,
2228 struct event *event, struct print_arg *arg)
2230 struct print_flag_sym *flag;
2231 unsigned long long val, fval;
2235 switch (arg->type) {
2240 printf("%s", arg->atom.atom);
2243 if (!arg->field.field) {
2244 arg->field.field = find_any_field(event, arg->field.name);
2245 if (!arg->field.field)
2246 die("field %s not found", arg->field.name);
2248 str = malloc_or_die(arg->field.field->size + 1);
2249 memcpy(str, data + arg->field.field->offset,
2250 arg->field.field->size);
2251 str[arg->field.field->size] = 0;
2256 val = eval_num_arg(data, size, event, arg->flags.field);
2258 for (flag = arg->flags.flags; flag; flag = flag->next) {
2259 fval = eval_flag(flag->value);
2260 if (!val && !fval) {
2261 printf("%s", flag->str);
2264 if (fval && (val & fval) == fval) {
2265 if (print && arg->flags.delim)
2266 printf("%s", arg->flags.delim);
2267 printf("%s", flag->str);
2274 val = eval_num_arg(data, size, event, arg->symbol.field);
2275 for (flag = arg->symbol.symbols; flag; flag = flag->next) {
2276 fval = eval_flag(flag->value);
2278 printf("%s", flag->str);
2286 case PRINT_STRING: {
2289 if (arg->string.offset == -1) {
2290 struct format_field *f;
2292 f = find_any_field(event, arg->string.string);
2293 arg->string.offset = f->offset;
2295 str_offset = *(int *)(data + arg->string.offset);
2296 str_offset &= 0xffff;
2297 printf("%s", ((char *)data) + str_offset);
2302 * The only op for string should be ? :
2304 if (arg->op.op[0] != '?')
2306 val = eval_num_arg(data, size, event, arg->op.left);
2308 print_str_arg(data, size, event, arg->op.right->op.left);
2310 print_str_arg(data, size, event, arg->op.right->op.right);
2318 static struct print_arg *make_bprint_args(char *fmt, void *data, int size, struct event *event)
2320 static struct format_field *field, *ip_field;
2321 struct print_arg *args, *arg, **next;
2322 unsigned long long ip, val;
2327 field = find_field(event, "buf");
2329 die("can't find buffer field for binary printk");
2330 ip_field = find_field(event, "ip");
2332 die("can't find ip field for binary printk");
2335 ip = read_size(data + ip_field->offset, ip_field->size);
2338 * The first arg is the IP pointer.
2340 args = malloc_or_die(sizeof(*args));
2345 arg->type = PRINT_ATOM;
2346 arg->atom.atom = malloc_or_die(32);
2347 sprintf(arg->atom.atom, "%lld", ip);
2349 /* skip the first "%pf : " */
2350 for (ptr = fmt + 6, bptr = data + field->offset;
2351 bptr < data + size && *ptr; ptr++) {
2375 /* the pointers are always 4 bytes aligned */
2376 bptr = (void *)(((unsigned long)bptr + 3) &
2388 val = read_size(bptr, ls);
2390 arg = malloc_or_die(sizeof(*arg));
2392 arg->type = PRINT_ATOM;
2393 arg->atom.atom = malloc_or_die(32);
2394 sprintf(arg->atom.atom, "%lld", val);
2399 arg = malloc_or_die(sizeof(*arg));
2401 arg->type = PRINT_STRING;
2402 arg->string.string = strdup(bptr);
2403 bptr += strlen(bptr) + 1;
2415 static void free_args(struct print_arg *args)
2417 struct print_arg *next;
2422 if (args->type == PRINT_ATOM)
2423 free(args->atom.atom);
2425 free(args->string.string);
2431 static char *get_bprint_format(void *data, int size __unused, struct event *event)
2433 unsigned long long addr;
2434 static struct format_field *field;
2435 struct printk_map *printk;
2440 field = find_field(event, "fmt");
2442 die("can't find format field for binary printk");
2443 printf("field->offset = %d size=%d\n", field->offset, field->size);
2446 addr = read_size(data + field->offset, field->size);
2448 printk = find_printk(addr);
2450 format = malloc_or_die(45);
2451 sprintf(format, "%%pf : (NO FORMAT FOUND at %llx)\n",
2457 /* Remove any quotes. */
2460 format = malloc_or_die(strlen(p) + 10);
2461 sprintf(format, "%s : %s", "%pf", p);
2462 /* remove ending quotes and new line since we will add one too */
2463 p = format + strlen(format) - 1;
2468 if (strcmp(p, "\\n") == 0)
2474 static void pretty_print(void *data, int size, struct event *event)
2476 struct print_fmt *print_fmt = &event->print_fmt;
2477 struct print_arg *arg = print_fmt->args;
2478 struct print_arg *args = NULL;
2479 const char *ptr = print_fmt->format;
2480 unsigned long long val;
2481 struct func_map *func;
2482 const char *saveptr;
2483 char *bprint_fmt = NULL;
2489 if (event->flags & EVENT_FL_ISFUNC)
2490 ptr = " %pF <-- %pF";
2492 if (event->flags & EVENT_FL_ISBPRINT) {
2493 bprint_fmt = get_bprint_format(data, size, event);
2494 args = make_bprint_args(bprint_fmt, data, size, event);
2499 for (; *ptr; ptr++) {
2521 } else if (*ptr == '%') {
2546 if (*(ptr+1) == 'F' ||
2559 die("no argument match");
2561 len = ((unsigned long)ptr + 1) -
2562 (unsigned long)saveptr;
2564 /* should never happen */
2568 memcpy(format, saveptr, len);
2571 val = eval_num_arg(data, size, event, arg);
2575 func = find_func(val);
2577 printf("%s", func->func);
2578 if (show_func == 'F')
2586 printf(format, (int)val);
2589 printf(format, (long)val);
2592 printf(format, (long long)val);
2595 die("bad count (%d)", ls);
2600 die("no matching argument");
2602 print_str_arg(data, size, event, arg);
2606 printf(">%c<", *ptr);
2619 static inline int log10_cpu(int nb)
2628 static void print_lat_fmt(void *data, int size __unused)
2630 unsigned int lat_flags;
2636 lat_flags = parse_common_flags(data);
2637 pc = parse_common_pc(data);
2638 lock_depth = parse_common_lock_depth(data);
2640 hardirq = lat_flags & TRACE_FLAG_HARDIRQ;
2641 softirq = lat_flags & TRACE_FLAG_SOFTIRQ;
2644 (lat_flags & TRACE_FLAG_IRQS_OFF) ? 'd' :
2645 (lat_flags & TRACE_FLAG_IRQS_NOSUPPORT) ?
2647 (lat_flags & TRACE_FLAG_NEED_RESCHED) ?
2649 (hardirq && softirq) ? 'H' :
2650 hardirq ? 'h' : softirq ? 's' : '.');
2660 printf("%d ", lock_depth);
2663 #define TRACE_GRAPH_INDENT 2
2665 static struct record *
2666 get_return_for_leaf(int cpu, int cur_pid, unsigned long long cur_func,
2667 struct record *next)
2669 struct format_field *field;
2670 struct event *event;
2675 type = trace_parse_common_type(next->data);
2676 event = trace_find_event(type);
2680 if (!(event->flags & EVENT_FL_ISFUNCRET))
2683 pid = trace_parse_common_pid(next->data);
2684 field = find_field(event, "func");
2686 die("function return does not have field func");
2688 val = read_size(next->data + field->offset, field->size);
2690 if (cur_pid != pid || cur_func != val)
2693 /* this is a leaf, now advance the iterator */
2694 return trace_read_data(cpu);
2697 /* Signal a overhead of time execution to the output */
2698 static void print_graph_overhead(unsigned long long duration)
2700 /* Non nested entry or return */
2701 if (duration == ~0ULL)
2702 return (void)printf(" ");
2704 /* Duration exceeded 100 msecs */
2705 if (duration > 100000ULL)
2706 return (void)printf("! ");
2708 /* Duration exceeded 10 msecs */
2709 if (duration > 10000ULL)
2710 return (void)printf("+ ");
2715 static void print_graph_duration(unsigned long long duration)
2717 unsigned long usecs = duration / 1000;
2718 unsigned long nsecs_rem = duration % 1000;
2719 /* log10(ULONG_MAX) + '\0' */
2725 sprintf(msecs_str, "%lu", usecs);
2728 len = printf("%lu", usecs);
2730 /* Print nsecs (we don't want to exceed 7 numbers) */
2732 snprintf(nsecs_str, 8 - len, "%03lu", nsecs_rem);
2733 len += printf(".%s", nsecs_str);
2738 /* Print remaining spaces to fit the row's width */
2739 for (i = len; i < 7; i++)
2746 print_graph_entry_leaf(struct event *event, void *data, struct record *ret_rec)
2748 unsigned long long rettime, calltime;
2749 unsigned long long duration, depth;
2750 unsigned long long val;
2751 struct format_field *field;
2752 struct func_map *func;
2753 struct event *ret_event;
2757 type = trace_parse_common_type(ret_rec->data);
2758 ret_event = trace_find_event(type);
2760 field = find_field(ret_event, "rettime");
2762 die("can't find rettime in return graph");
2763 rettime = read_size(ret_rec->data + field->offset, field->size);
2765 field = find_field(ret_event, "calltime");
2767 die("can't find rettime in return graph");
2768 calltime = read_size(ret_rec->data + field->offset, field->size);
2770 duration = rettime - calltime;
2773 print_graph_overhead(duration);
2776 print_graph_duration(duration);
2778 field = find_field(event, "depth");
2780 die("can't find depth in entry graph");
2781 depth = read_size(data + field->offset, field->size);
2784 for (i = 0; i < (int)(depth * TRACE_GRAPH_INDENT); i++)
2787 field = find_field(event, "func");
2789 die("can't find func in entry graph");
2790 val = read_size(data + field->offset, field->size);
2791 func = find_func(val);
2794 printf("%s();", func->func);
2796 printf("%llx();", val);
2799 static void print_graph_nested(struct event *event, void *data)
2801 struct format_field *field;
2802 unsigned long long depth;
2803 unsigned long long val;
2804 struct func_map *func;
2808 print_graph_overhead(-1);
2813 field = find_field(event, "depth");
2815 die("can't find depth in entry graph");
2816 depth = read_size(data + field->offset, field->size);
2819 for (i = 0; i < (int)(depth * TRACE_GRAPH_INDENT); i++)
2822 field = find_field(event, "func");
2824 die("can't find func in entry graph");
2825 val = read_size(data + field->offset, field->size);
2826 func = find_func(val);
2829 printf("%s() {", func->func);
2831 printf("%llx() {", val);
2835 pretty_print_func_ent(void *data, int size, struct event *event,
2838 struct format_field *field;
2843 if (latency_format) {
2844 print_lat_fmt(data, size);
2848 field = find_field(event, "func");
2850 die("function entry does not have func field");
2852 val = read_size(data + field->offset, field->size);
2855 * peek_data may unmap the data pointer. Copy it first.
2857 copy_data = malloc_or_die(size);
2858 memcpy(copy_data, data, size);
2861 rec = trace_peek_data(cpu);
2863 rec = get_return_for_leaf(cpu, pid, val, rec);
2865 print_graph_entry_leaf(event, data, rec);
2869 print_graph_nested(event, data);
2875 pretty_print_func_ret(void *data, int size __unused, struct event *event)
2877 unsigned long long rettime, calltime;
2878 unsigned long long duration, depth;
2879 struct format_field *field;
2882 if (latency_format) {
2883 print_lat_fmt(data, size);
2887 field = find_field(event, "rettime");
2889 die("can't find rettime in return graph");
2890 rettime = read_size(data + field->offset, field->size);
2892 field = find_field(event, "calltime");
2894 die("can't find calltime in return graph");
2895 calltime = read_size(data + field->offset, field->size);
2897 duration = rettime - calltime;
2900 print_graph_overhead(duration);
2903 print_graph_duration(duration);
2905 field = find_field(event, "depth");
2907 die("can't find depth in entry graph");
2908 depth = read_size(data + field->offset, field->size);
2911 for (i = 0; i < (int)(depth * TRACE_GRAPH_INDENT); i++)
2918 pretty_print_func_graph(void *data, int size, struct event *event,
2921 if (event->flags & EVENT_FL_ISFUNCENT)
2922 pretty_print_func_ent(data, size, event, cpu, pid);
2923 else if (event->flags & EVENT_FL_ISFUNCRET)
2924 pretty_print_func_ret(data, size, event);
2928 void print_trace_event(int cpu, void *data, int size)
2930 struct event *event;
2934 type = trace_parse_common_type(data);
2936 event = trace_find_event(type);
2938 warning("ug! no event found for type %d", type);
2942 pid = trace_parse_common_pid(data);
2944 if (event->flags & (EVENT_FL_ISFUNCENT | EVENT_FL_ISFUNCRET))
2945 return pretty_print_func_graph(data, size, event, cpu, pid);
2948 print_lat_fmt(data, size);
2950 if (event->flags & EVENT_FL_FAILED) {
2951 printf("EVENT '%s' FAILED TO PARSE\n",
2956 pretty_print(data, size, event);
2959 static void print_fields(struct print_flag_sym *field)
2961 printf("{ %s, %s }", field->value, field->str);
2964 print_fields(field->next);
2968 static void print_args(struct print_arg *args)
2970 int print_paren = 1;
2972 switch (args->type) {
2977 printf("%s", args->atom.atom);
2980 printf("REC->%s", args->field.name);
2983 printf("__print_flags(");
2984 print_args(args->flags.field);
2985 printf(", %s, ", args->flags.delim);
2986 print_fields(args->flags.flags);
2990 printf("__print_symbolic(");
2991 print_args(args->symbol.field);
2993 print_fields(args->symbol.symbols);
2997 printf("__get_str(%s)", args->string.string);
3000 printf("(%s)", args->typecast.type);
3001 print_args(args->typecast.item);
3004 if (strcmp(args->op.op, ":") == 0)
3008 print_args(args->op.left);
3009 printf(" %s ", args->op.op);
3010 print_args(args->op.right);
3015 /* we should warn... */
3020 print_args(args->next);
3024 int parse_ftrace_file(char *buf, unsigned long size)
3026 struct format_field *field;
3027 struct print_arg *arg, **list;
3028 struct event *event;
3031 init_input_buf(buf, size);
3033 event = alloc_event();
3037 event->flags |= EVENT_FL_ISFTRACE;
3039 event->name = event_read_name();
3041 die("failed to read ftrace event name");
3043 if (strcmp(event->name, "function") == 0)
3044 event->flags |= EVENT_FL_ISFUNC;
3046 else if (strcmp(event->name, "funcgraph_entry") == 0)
3047 event->flags |= EVENT_FL_ISFUNCENT;
3049 else if (strcmp(event->name, "funcgraph_exit") == 0)
3050 event->flags |= EVENT_FL_ISFUNCRET;
3052 else if (strcmp(event->name, "bprint") == 0)
3053 event->flags |= EVENT_FL_ISBPRINT;
3055 event->id = event_read_id();
3057 die("failed to read ftrace event id");
3061 ret = event_read_format(event);
3063 die("failed to read ftrace event format");
3065 ret = event_read_print(event);
3067 die("failed to read ftrace event print fmt");
3069 /* New ftrace handles args */
3073 * The arguments for ftrace files are parsed by the fields.
3074 * Set up the fields as their arguments.
3076 list = &event->print_fmt.args;
3077 for (field = event->format.fields; field; field = field->next) {
3078 arg = malloc_or_die(sizeof(*arg));
3079 memset(arg, 0, sizeof(*arg));
3082 arg->type = PRINT_FIELD;
3083 arg->field.name = field->name;
3084 arg->field.field = field;
3089 int parse_event_file(char *buf, unsigned long size, char *sys)
3091 struct event *event;
3094 init_input_buf(buf, size);
3096 event = alloc_event();
3100 event->name = event_read_name();
3102 die("failed to read event name");
3104 event->id = event_read_id();
3106 die("failed to read event id");
3108 ret = event_read_format(event);
3110 warning("failed to read event format for %s", event->name);
3114 ret = event_read_print(event);
3116 warning("failed to read event print fmt for %s", event->name);
3120 event->system = strdup(sys);
3122 #define PRINT_ARGS 0
3123 if (PRINT_ARGS && event->print_fmt.args)
3124 print_args(event->print_fmt.args);
3130 event->flags |= EVENT_FL_FAILED;
3131 /* still add it even if it failed */
3136 void parse_set_info(int nr_cpus, int long_sz)
3139 long_size = long_sz;
3142 int common_pc(struct scripting_context *context)
3144 return parse_common_pc(context->event_data);
3147 int common_flags(struct scripting_context *context)
3149 return parse_common_flags(context->event_data);
3152 int common_lock_depth(struct scripting_context *context)
3154 return parse_common_lock_depth(context->event_data);