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.
34 #include "trace-event.h"
36 int header_page_ts_offset;
37 int header_page_ts_size;
38 int header_page_size_offset;
39 int header_page_size_size;
40 int header_page_overwrite_offset;
41 int header_page_overwrite_size;
42 int header_page_data_offset;
43 int header_page_data_size;
47 static char *input_buf;
48 static unsigned long long input_buf_ptr;
49 static unsigned long long input_buf_siz;
53 static int is_flag_field;
54 static int is_symbolic_field;
56 static struct format_field *
57 find_any_field(struct event *event, const char *name);
59 static void init_input_buf(char *buf, unsigned long long size)
71 static struct cmdline *cmdlines;
72 static int cmdline_count;
74 static int cmdline_cmp(const void *a, const void *b)
76 const struct cmdline *ca = a;
77 const struct cmdline *cb = b;
79 if (ca->pid < cb->pid)
81 if (ca->pid > cb->pid)
87 void parse_cmdlines(char *file, int size __unused)
90 struct cmdline_list *next;
93 } *list = NULL, *item;
98 line = strtok_r(file, "\n", &next);
100 item = malloc_or_die(sizeof(*item));
101 sscanf(line, "%d %as", &item->pid,
102 (float *)(void *)&item->comm); /* workaround gcc warning */
105 line = strtok_r(NULL, "\n", &next);
109 cmdlines = malloc_or_die(sizeof(*cmdlines) * cmdline_count);
113 cmdlines[i].pid = list->pid;
114 cmdlines[i].comm = list->comm;
121 qsort(cmdlines, cmdline_count, sizeof(*cmdlines), cmdline_cmp);
124 static struct func_map {
125 unsigned long long addr;
129 static unsigned int func_count;
131 static int func_cmp(const void *a, const void *b)
133 const struct func_map *fa = a;
134 const struct func_map *fb = b;
136 if (fa->addr < fb->addr)
138 if (fa->addr > fb->addr)
144 void parse_proc_kallsyms(char *file, unsigned int size __unused)
147 struct func_list *next;
148 unsigned long long addr;
151 } *list = NULL, *item;
159 line = strtok_r(file, "\n", &next);
161 item = malloc_or_die(sizeof(*item));
163 ret = sscanf(line, "%as %c %as\t[%as",
164 (float *)(void *)&addr_str, /* workaround gcc warning */
166 (float *)(void *)&item->func,
167 (float *)(void *)&item->mod);
168 item->addr = strtoull(addr_str, NULL, 16);
171 /* truncate the extra ']' */
173 item->mod[strlen(item->mod) - 1] = 0;
178 line = strtok_r(NULL, "\n", &next);
182 func_list = malloc_or_die(sizeof(*func_list) * (func_count + 1));
186 func_list[i].func = list->func;
187 func_list[i].addr = list->addr;
188 func_list[i].mod = list->mod;
195 qsort(func_list, func_count, sizeof(*func_list), func_cmp);
198 * Add a special record at the end.
200 func_list[func_count].func = NULL;
201 func_list[func_count].addr = 0;
202 func_list[func_count].mod = NULL;
206 * We are searching for a record in between, not an exact
209 static int func_bcmp(const void *a, const void *b)
211 const struct func_map *fa = a;
212 const struct func_map *fb = b;
214 if ((fa->addr == fb->addr) ||
216 (fa->addr > fb->addr &&
217 fa->addr < (fb+1)->addr))
220 if (fa->addr < fb->addr)
226 static struct func_map *find_func(unsigned long long addr)
228 struct func_map *func;
233 func = bsearch(&key, func_list, func_count, sizeof(*func_list),
239 void print_funcs(void)
243 for (i = 0; i < (int)func_count; i++) {
247 if (func_list[i].mod)
248 printf(" [%s]\n", func_list[i].mod);
254 static struct printk_map {
255 unsigned long long addr;
258 static unsigned int printk_count;
260 static int printk_cmp(const void *a, const void *b)
262 const struct func_map *fa = a;
263 const struct func_map *fb = b;
265 if (fa->addr < fb->addr)
267 if (fa->addr > fb->addr)
273 static struct printk_map *find_printk(unsigned long long addr)
275 struct printk_map *printk;
276 struct printk_map key;
280 printk = bsearch(&key, printk_list, printk_count, sizeof(*printk_list),
286 void parse_ftrace_printk(char *file, unsigned int size __unused)
289 struct printk_list *next;
290 unsigned long long addr;
292 } *list = NULL, *item;
298 line = strtok_r(file, "\n", &next);
300 addr_str = strsep(&line, ":");
302 warning("error parsing print strings");
305 item = malloc_or_die(sizeof(*item));
306 item->addr = strtoull(addr_str, NULL, 16);
307 /* fmt still has a space, skip it */
308 item->printk = strdup(line+1);
311 line = strtok_r(NULL, "\n", &next);
315 printk_list = malloc_or_die(sizeof(*printk_list) * printk_count + 1);
319 printk_list[i].printk = list->printk;
320 printk_list[i].addr = list->addr;
327 qsort(printk_list, printk_count, sizeof(*printk_list), printk_cmp);
330 void print_printk(void)
334 for (i = 0; i < (int)printk_count; i++) {
335 printf("%016llx %s\n",
337 printk_list[i].printk);
341 static struct event *alloc_event(void)
345 event = malloc_or_die(sizeof(*event));
346 memset(event, 0, sizeof(*event));
363 static struct event *event_list;
365 static void add_event(struct event *event)
367 event->next = event_list;
371 static int event_item_type(enum event_type type)
374 case EVENT_ITEM ... EVENT_SQUOTE:
376 case EVENT_ERROR ... EVENT_DELIM:
382 static void free_arg(struct print_arg *arg)
390 free(arg->atom.atom);
393 case PRINT_FIELD ... PRINT_OP:
402 static enum event_type get_type(int ch)
405 return EVENT_NEWLINE;
408 if (isalnum(ch) || ch == '_')
416 if (ch == '(' || ch == ')' || ch == ',')
422 static int __read_char(void)
424 if (input_buf_ptr >= input_buf_siz)
427 return input_buf[input_buf_ptr++];
430 static int __peek_char(void)
432 if (input_buf_ptr >= input_buf_siz)
435 return input_buf[input_buf_ptr];
438 static enum event_type __read_token(char **tok)
441 int ch, last_ch, quote_ch, next_ch;
444 enum event_type type;
454 if (type == EVENT_NONE)
462 *tok = malloc_or_die(2);
470 next_ch = __peek_char();
471 if (next_ch == '>') {
472 buf[i++] = __read_char();
485 buf[i++] = __read_char();
497 default: /* what should we do instead? */
507 buf[i++] = __read_char();
512 /* don't keep quotes */
517 if (i == (BUFSIZ - 1)) {
520 *tok = realloc(*tok, tok_size + BUFSIZ);
535 /* the '\' '\' will cancel itself */
536 if (ch == '\\' && last_ch == '\\')
538 } while (ch != quote_ch || last_ch == '\\');
539 /* remove the last quote */
543 case EVENT_ERROR ... EVENT_SPACE:
549 while (get_type(__peek_char()) == type) {
550 if (i == (BUFSIZ - 1)) {
553 *tok = realloc(*tok, tok_size + BUFSIZ);
572 *tok = realloc(*tok, tok_size + i);
584 static void free_token(char *tok)
590 static enum event_type read_token(char **tok)
592 enum event_type type;
595 type = __read_token(tok);
596 if (type != EVENT_SPACE)
607 static enum event_type read_token_item(char **tok)
609 enum event_type type;
612 type = __read_token(tok);
613 if (type != EVENT_SPACE && type != EVENT_NEWLINE)
623 static int test_type(enum event_type type, enum event_type expect)
625 if (type != expect) {
626 warning("Error: expected type %d but read %d",
633 static int __test_type_token(enum event_type type, char *token,
634 enum event_type expect, const char *expect_tok,
637 if (type != expect) {
639 warning("Error: expected type %d but read %d",
644 if (strcmp(token, expect_tok) != 0) {
646 warning("Error: expected '%s' but read '%s'",
653 static int test_type_token(enum event_type type, char *token,
654 enum event_type expect, const char *expect_tok)
656 return __test_type_token(type, token, expect, expect_tok, true);
659 static int __read_expect_type(enum event_type expect, char **tok, int newline_ok)
661 enum event_type type;
664 type = read_token(tok);
666 type = read_token_item(tok);
667 return test_type(type, expect);
670 static int read_expect_type(enum event_type expect, char **tok)
672 return __read_expect_type(expect, tok, 1);
675 static int __read_expected(enum event_type expect, const char *str,
676 int newline_ok, bool warn)
678 enum event_type type;
683 type = read_token(&token);
685 type = read_token_item(&token);
687 ret = __test_type_token(type, token, expect, str, warn);
694 static int read_expected(enum event_type expect, const char *str)
696 return __read_expected(expect, str, 1, true);
699 static int read_expected_item(enum event_type expect, const char *str)
701 return __read_expected(expect, str, 0, true);
704 static char *event_read_name(void)
708 if (read_expected(EVENT_ITEM, "name") < 0)
711 if (read_expected(EVENT_OP, ":") < 0)
714 if (read_expect_type(EVENT_ITEM, &token) < 0)
724 static int event_read_id(void)
729 if (read_expected_item(EVENT_ITEM, "ID") < 0)
732 if (read_expected(EVENT_OP, ":") < 0)
735 if (read_expect_type(EVENT_ITEM, &token) < 0)
738 id = strtoul(token, NULL, 0);
747 static int field_is_string(struct format_field *field)
749 if ((field->flags & FIELD_IS_ARRAY) &&
750 (!strstr(field->type, "char") || !strstr(field->type, "u8") ||
751 !strstr(field->type, "s8")))
757 static int field_is_dynamic(struct format_field *field)
759 if (!strncmp(field->type, "__data_loc", 10))
765 static int event_read_fields(struct event *event, struct format_field **fields)
767 struct format_field *field = NULL;
768 enum event_type type;
774 type = read_token(&token);
775 if (type == EVENT_NEWLINE) {
782 if (test_type_token(type, token, EVENT_ITEM, "field"))
786 type = read_token(&token);
788 * The ftrace fields may still use the "special" name.
791 if (event->flags & EVENT_FL_ISFTRACE &&
792 type == EVENT_ITEM && strcmp(token, "special") == 0) {
794 type = read_token(&token);
797 if (test_type_token(type, token, EVENT_OP, ":") < 0)
800 if (read_expect_type(EVENT_ITEM, &token) < 0)
805 field = malloc_or_die(sizeof(*field));
806 memset(field, 0, sizeof(*field));
808 /* read the rest of the type */
810 type = read_token(&token);
811 if (type == EVENT_ITEM ||
812 (type == EVENT_OP && strcmp(token, "*") == 0) ||
814 * Some of the ftrace fields are broken and have
815 * an illegal "." in them.
817 (event->flags & EVENT_FL_ISFTRACE &&
818 type == EVENT_OP && strcmp(token, ".") == 0)) {
820 if (strcmp(token, "*") == 0)
821 field->flags |= FIELD_IS_POINTER;
824 field->type = realloc(field->type,
825 strlen(field->type) +
826 strlen(last_token) + 2);
827 strcat(field->type, " ");
828 strcat(field->type, last_token);
830 field->type = last_token;
839 die("no type found");
842 field->name = last_token;
844 if (test_type(type, EVENT_OP))
847 if (strcmp(token, "[") == 0) {
848 enum event_type last_type = type;
849 char *brackets = token;
852 field->flags |= FIELD_IS_ARRAY;
854 type = read_token(&token);
855 while (strcmp(token, "]") != 0) {
856 if (last_type == EVENT_ITEM &&
863 brackets = realloc(brackets,
865 strlen(token) + len);
867 strcat(brackets, " ");
868 strcat(brackets, token);
870 type = read_token(&token);
871 if (type == EVENT_NONE) {
872 die("failed to find token");
879 brackets = realloc(brackets, strlen(brackets) + 2);
880 strcat(brackets, "]");
882 /* add brackets to type */
884 type = read_token(&token);
886 * If the next token is not an OP, then it is of
887 * the format: type [] item;
889 if (type == EVENT_ITEM) {
890 field->type = realloc(field->type,
891 strlen(field->type) +
892 strlen(field->name) +
893 strlen(brackets) + 2);
894 strcat(field->type, " ");
895 strcat(field->type, field->name);
896 free_token(field->name);
897 strcat(field->type, brackets);
899 type = read_token(&token);
901 field->type = realloc(field->type,
902 strlen(field->type) +
903 strlen(brackets) + 1);
904 strcat(field->type, brackets);
909 if (field_is_string(field)) {
910 field->flags |= FIELD_IS_STRING;
911 if (field_is_dynamic(field))
912 field->flags |= FIELD_IS_DYNAMIC;
915 if (test_type_token(type, token, EVENT_OP, ";"))
919 if (read_expected(EVENT_ITEM, "offset") < 0)
922 if (read_expected(EVENT_OP, ":") < 0)
925 if (read_expect_type(EVENT_ITEM, &token))
927 field->offset = strtoul(token, NULL, 0);
930 if (read_expected(EVENT_OP, ";") < 0)
933 if (read_expected(EVENT_ITEM, "size") < 0)
936 if (read_expected(EVENT_OP, ":") < 0)
939 if (read_expect_type(EVENT_ITEM, &token))
941 field->size = strtoul(token, NULL, 0);
944 if (read_expected(EVENT_OP, ";") < 0)
947 type = read_token(&token);
948 if (type != EVENT_NEWLINE) {
949 /* newer versions of the kernel have a "signed" type */
950 if (test_type_token(type, token, EVENT_ITEM, "signed"))
955 if (read_expected(EVENT_OP, ":") < 0)
958 if (read_expect_type(EVENT_ITEM, &token))
961 if (strtoul(token, NULL, 0))
962 field->flags |= FIELD_IS_SIGNED;
965 if (read_expected(EVENT_OP, ";") < 0)
968 if (read_expect_type(EVENT_NEWLINE, &token))
975 fields = &field->next;
989 static int event_read_format(struct event *event)
994 if (read_expected_item(EVENT_ITEM, "format") < 0)
997 if (read_expected(EVENT_OP, ":") < 0)
1000 if (read_expect_type(EVENT_NEWLINE, &token))
1004 ret = event_read_fields(event, &event->format.common_fields);
1007 event->format.nr_common = ret;
1009 ret = event_read_fields(event, &event->format.fields);
1012 event->format.nr_fields = ret;
1022 process_arg_token(struct event *event, struct print_arg *arg,
1023 char **tok, enum event_type type);
1025 static enum event_type
1026 process_arg(struct event *event, struct print_arg *arg, char **tok)
1028 enum event_type type;
1031 type = read_token(&token);
1034 return process_arg_token(event, arg, tok, type);
1037 static enum event_type
1038 process_cond(struct event *event, struct print_arg *top, char **tok)
1040 struct print_arg *arg, *left, *right;
1041 enum event_type type;
1044 arg = malloc_or_die(sizeof(*arg));
1045 memset(arg, 0, sizeof(*arg));
1047 left = malloc_or_die(sizeof(*left));
1049 right = malloc_or_die(sizeof(*right));
1051 arg->type = PRINT_OP;
1052 arg->op.left = left;
1053 arg->op.right = right;
1056 type = process_arg(event, left, &token);
1057 if (test_type_token(type, token, EVENT_OP, ":"))
1062 type = process_arg(event, right, &token);
1064 top->op.right = arg;
1077 static enum event_type
1078 process_array(struct event *event, struct print_arg *top, char **tok)
1080 struct print_arg *arg;
1081 enum event_type type;
1084 arg = malloc_or_die(sizeof(*arg));
1085 memset(arg, 0, sizeof(*arg));
1088 type = process_arg(event, arg, &token);
1089 if (test_type_token(type, token, EVENT_OP, "]"))
1092 top->op.right = arg;
1095 type = read_token_item(&token);
1106 static int get_op_prio(char *op)
1117 /* '>>' and '<<' are 8 */
1121 /* '==' and '!=' are 10 */
1131 die("unknown op '%c'", op[0]);
1135 if (strcmp(op, "++") == 0 ||
1136 strcmp(op, "--") == 0) {
1138 } else if (strcmp(op, ">>") == 0 ||
1139 strcmp(op, "<<") == 0) {
1141 } else if (strcmp(op, ">=") == 0 ||
1142 strcmp(op, "<=") == 0) {
1144 } else if (strcmp(op, "==") == 0 ||
1145 strcmp(op, "!=") == 0) {
1147 } else if (strcmp(op, "&&") == 0) {
1149 } else if (strcmp(op, "||") == 0) {
1152 die("unknown op '%s'", op);
1158 static void set_op_prio(struct print_arg *arg)
1161 /* single ops are the greatest */
1162 if (!arg->op.left || arg->op.left->type == PRINT_NULL) {
1167 arg->op.prio = get_op_prio(arg->op.op);
1170 static enum event_type
1171 process_op(struct event *event, struct print_arg *arg, char **tok)
1173 struct print_arg *left, *right = NULL;
1174 enum event_type type;
1177 /* the op is passed in via tok */
1180 if (arg->type == PRINT_OP && !arg->op.left) {
1181 /* handle single op */
1183 die("bad op token %s", token);
1192 die("bad op token %s", token);
1196 /* make an empty left */
1197 left = malloc_or_die(sizeof(*left));
1198 left->type = PRINT_NULL;
1199 arg->op.left = left;
1201 right = malloc_or_die(sizeof(*right));
1202 arg->op.right = right;
1204 type = process_arg(event, right, tok);
1206 } else if (strcmp(token, "?") == 0) {
1208 left = malloc_or_die(sizeof(*left));
1209 /* copy the top arg to the left */
1212 arg->type = PRINT_OP;
1214 arg->op.left = left;
1217 type = process_cond(event, arg, tok);
1219 } else if (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 ||
1232 strcmp(token, "==") == 0 ||
1233 strcmp(token, "!=") == 0) {
1235 left = malloc_or_die(sizeof(*left));
1237 /* copy the top arg to the left */
1240 arg->type = PRINT_OP;
1242 arg->op.left = left;
1246 right = malloc_or_die(sizeof(*right));
1248 type = read_token_item(&token);
1251 /* could just be a type pointer */
1252 if ((strcmp(arg->op.op, "*") == 0) &&
1253 type == EVENT_DELIM && (strcmp(token, ")") == 0)) {
1254 if (left->type != PRINT_ATOM)
1255 die("bad pointer type");
1256 left->atom.atom = realloc(left->atom.atom,
1257 sizeof(left->atom.atom) + 3);
1258 strcat(left->atom.atom, " *");
1265 type = process_arg_token(event, right, tok, type);
1267 arg->op.right = right;
1269 } else if (strcmp(token, "[") == 0) {
1271 left = malloc_or_die(sizeof(*left));
1274 arg->type = PRINT_OP;
1276 arg->op.left = left;
1279 type = process_array(event, arg, tok);
1282 warning("unknown op '%s'", token);
1283 event->flags |= EVENT_FL_FAILED;
1284 /* the arg is now the left side */
1288 if (type == EVENT_OP) {
1291 /* higher prios need to be closer to the root */
1292 prio = get_op_prio(*tok);
1294 if (prio > arg->op.prio)
1295 return process_op(event, arg, tok);
1297 return process_op(event, right, tok);
1303 static enum event_type
1304 process_entry(struct event *event __unused, struct print_arg *arg,
1307 enum event_type type;
1311 if (read_expected(EVENT_OP, "->") < 0)
1314 if (read_expect_type(EVENT_ITEM, &token) < 0)
1318 arg->type = PRINT_FIELD;
1319 arg->field.name = field;
1321 if (is_flag_field) {
1322 arg->field.field = find_any_field(event, arg->field.name);
1323 arg->field.field->flags |= FIELD_IS_FLAG;
1325 } else if (is_symbolic_field) {
1326 arg->field.field = find_any_field(event, arg->field.name);
1327 arg->field.field->flags |= FIELD_IS_SYMBOLIC;
1328 is_symbolic_field = 0;
1331 type = read_token(&token);
1341 static char *arg_eval (struct print_arg *arg);
1343 static long long arg_num_eval(struct print_arg *arg)
1345 long long left, right;
1348 switch (arg->type) {
1350 val = strtoll(arg->atom.atom, NULL, 0);
1353 val = arg_num_eval(arg->typecast.item);
1356 switch (arg->op.op[0]) {
1358 left = arg_num_eval(arg->op.left);
1359 right = arg_num_eval(arg->op.right);
1361 val = left || right;
1366 left = arg_num_eval(arg->op.left);
1367 right = arg_num_eval(arg->op.right);
1369 val = left && right;
1374 left = arg_num_eval(arg->op.left);
1375 right = arg_num_eval(arg->op.right);
1376 switch (arg->op.op[1]) {
1381 val = left << right;
1384 val = left <= right;
1387 die("unknown op '%s'", arg->op.op);
1391 left = arg_num_eval(arg->op.left);
1392 right = arg_num_eval(arg->op.right);
1393 switch (arg->op.op[1]) {
1398 val = left >> right;
1401 val = left >= right;
1404 die("unknown op '%s'", arg->op.op);
1408 left = arg_num_eval(arg->op.left);
1409 right = arg_num_eval(arg->op.right);
1411 if (arg->op.op[1] != '=')
1412 die("unknown op '%s'", arg->op.op);
1414 val = left == right;
1417 left = arg_num_eval(arg->op.left);
1418 right = arg_num_eval(arg->op.right);
1420 switch (arg->op.op[1]) {
1422 val = left != right;
1425 die("unknown op '%s'", arg->op.op);
1429 die("unknown op '%s'", arg->op.op);
1434 case PRINT_FIELD ... PRINT_SYMBOL:
1437 die("invalid eval type %d", arg->type);
1443 static char *arg_eval (struct print_arg *arg)
1446 static char buf[20];
1448 switch (arg->type) {
1450 return arg->atom.atom;
1452 return arg_eval(arg->typecast.item);
1454 val = arg_num_eval(arg);
1455 sprintf(buf, "%lld", val);
1459 case PRINT_FIELD ... PRINT_SYMBOL:
1462 die("invalid eval type %d", arg->type);
1469 static enum event_type
1470 process_fields(struct event *event, struct print_flag_sym **list, char **tok)
1472 enum event_type type;
1473 struct print_arg *arg = NULL;
1474 struct print_flag_sym *field;
1480 type = read_token_item(&token);
1481 if (test_type_token(type, token, EVENT_OP, "{"))
1484 arg = malloc_or_die(sizeof(*arg));
1487 type = process_arg(event, arg, &token);
1488 if (test_type_token(type, token, EVENT_DELIM, ","))
1491 field = malloc_or_die(sizeof(*field));
1492 memset(field, 0, sizeof(*field));
1494 value = arg_eval(arg);
1495 field->value = strdup(value);
1498 type = process_arg(event, arg, &token);
1499 if (test_type_token(type, token, EVENT_OP, "}"))
1502 value = arg_eval(arg);
1503 field->str = strdup(value);
1508 list = &field->next;
1511 type = read_token_item(&token);
1512 } while (type == EVENT_DELIM && strcmp(token, ",") == 0);
1524 static enum event_type
1525 process_flags(struct event *event, struct print_arg *arg, char **tok)
1527 struct print_arg *field;
1528 enum event_type type;
1531 memset(arg, 0, sizeof(*arg));
1532 arg->type = PRINT_FLAGS;
1534 if (read_expected_item(EVENT_DELIM, "(") < 0)
1537 field = malloc_or_die(sizeof(*field));
1539 type = process_arg(event, field, &token);
1540 while (type == EVENT_OP)
1541 type = process_op(event, field, &token);
1542 if (test_type_token(type, token, EVENT_DELIM, ","))
1545 arg->flags.field = field;
1547 type = read_token_item(&token);
1548 if (event_item_type(type)) {
1549 arg->flags.delim = token;
1550 type = read_token_item(&token);
1553 if (test_type_token(type, token, EVENT_DELIM, ","))
1556 type = process_fields(event, &arg->flags.flags, &token);
1557 if (test_type_token(type, token, EVENT_DELIM, ")"))
1561 type = read_token_item(tok);
1569 static enum event_type
1570 process_symbols(struct event *event, struct print_arg *arg, char **tok)
1572 struct print_arg *field;
1573 enum event_type type;
1576 memset(arg, 0, sizeof(*arg));
1577 arg->type = PRINT_SYMBOL;
1579 if (read_expected_item(EVENT_DELIM, "(") < 0)
1582 field = malloc_or_die(sizeof(*field));
1584 type = process_arg(event, field, &token);
1585 while (type == EVENT_OP)
1586 type = process_op(event, field, &token);
1587 if (test_type_token(type, token, EVENT_DELIM, ","))
1590 arg->symbol.field = field;
1592 type = process_fields(event, &arg->symbol.symbols, &token);
1593 if (test_type_token(type, token, EVENT_DELIM, ")"))
1597 type = read_token_item(tok);
1605 static enum event_type
1606 process_paren(struct event *event, struct print_arg *arg, char **tok)
1608 struct print_arg *item_arg;
1609 enum event_type type;
1612 type = process_arg(event, arg, &token);
1614 if (type == EVENT_ERROR)
1617 if (type == EVENT_OP)
1618 type = process_op(event, arg, &token);
1620 if (type == EVENT_ERROR)
1623 if (test_type_token(type, token, EVENT_DELIM, ")")) {
1629 type = read_token_item(&token);
1632 * If the next token is an item or another open paren, then
1633 * this was a typecast.
1635 if (event_item_type(type) ||
1636 (type == EVENT_DELIM && strcmp(token, "(") == 0)) {
1638 /* make this a typecast and contine */
1640 /* prevous must be an atom */
1641 if (arg->type != PRINT_ATOM)
1642 die("previous needed to be PRINT_ATOM");
1644 item_arg = malloc_or_die(sizeof(*item_arg));
1646 arg->type = PRINT_TYPE;
1647 arg->typecast.type = arg->atom.atom;
1648 arg->typecast.item = item_arg;
1649 type = process_arg_token(event, item_arg, &token, type);
1658 static enum event_type
1659 process_str(struct event *event __unused, struct print_arg *arg, char **tok)
1661 enum event_type type;
1664 if (read_expected(EVENT_DELIM, "(") < 0)
1667 if (read_expect_type(EVENT_ITEM, &token) < 0)
1670 arg->type = PRINT_STRING;
1671 arg->string.string = token;
1672 arg->string.offset = -1;
1674 if (read_expected(EVENT_DELIM, ")") < 0)
1677 type = read_token(&token);
1687 process_arg_token(struct event *event, struct print_arg *arg,
1688 char **tok, enum event_type type)
1697 if (strcmp(token, "REC") == 0) {
1699 type = process_entry(event, arg, &token);
1700 } else if (strcmp(token, "__print_flags") == 0) {
1703 type = process_flags(event, arg, &token);
1704 } else if (strcmp(token, "__print_symbolic") == 0) {
1706 is_symbolic_field = 1;
1707 type = process_symbols(event, arg, &token);
1708 } else if (strcmp(token, "__get_str") == 0) {
1710 type = process_str(event, arg, &token);
1713 /* test the next token */
1714 type = read_token_item(&token);
1716 /* atoms can be more than one token long */
1717 while (type == EVENT_ITEM) {
1718 atom = realloc(atom, strlen(atom) + strlen(token) + 2);
1720 strcat(atom, token);
1722 type = read_token_item(&token);
1725 /* todo, test for function */
1727 arg->type = PRINT_ATOM;
1728 arg->atom.atom = atom;
1733 arg->type = PRINT_ATOM;
1734 arg->atom.atom = token;
1735 type = read_token_item(&token);
1738 if (strcmp(token, "(") == 0) {
1740 type = process_paren(event, arg, &token);
1744 /* handle single ops */
1745 arg->type = PRINT_OP;
1747 arg->op.left = NULL;
1748 type = process_op(event, arg, &token);
1752 case EVENT_ERROR ... EVENT_NEWLINE:
1754 die("unexpected type %d", type);
1761 static int event_read_print_args(struct event *event, struct print_arg **list)
1763 enum event_type type = EVENT_ERROR;
1764 struct print_arg *arg;
1769 if (type == EVENT_NEWLINE) {
1771 type = read_token_item(&token);
1775 arg = malloc_or_die(sizeof(*arg));
1776 memset(arg, 0, sizeof(*arg));
1778 type = process_arg(event, arg, &token);
1780 if (type == EVENT_ERROR) {
1788 if (type == EVENT_OP) {
1789 type = process_op(event, arg, &token);
1794 if (type == EVENT_DELIM && strcmp(token, ",") == 0) {
1801 } while (type != EVENT_NONE);
1803 if (type != EVENT_NONE)
1809 static int event_read_print(struct event *event)
1811 enum event_type type;
1815 if (read_expected_item(EVENT_ITEM, "print") < 0)
1818 if (read_expected(EVENT_ITEM, "fmt") < 0)
1821 if (read_expected(EVENT_OP, ":") < 0)
1824 if (read_expect_type(EVENT_DQUOTE, &token) < 0)
1828 event->print_fmt.format = token;
1829 event->print_fmt.args = NULL;
1831 /* ok to have no arg */
1832 type = read_token_item(&token);
1834 if (type == EVENT_NONE)
1837 /* Handle concatination of print lines */
1838 if (type == EVENT_DQUOTE) {
1841 cat = malloc_or_die(strlen(event->print_fmt.format) +
1843 strcpy(cat, event->print_fmt.format);
1846 free_token(event->print_fmt.format);
1847 event->print_fmt.format = NULL;
1852 if (test_type_token(type, token, EVENT_DELIM, ","))
1857 ret = event_read_print_args(event, &event->print_fmt.args);
1868 static struct format_field *
1869 find_common_field(struct event *event, const char *name)
1871 struct format_field *format;
1873 for (format = event->format.common_fields;
1874 format; format = format->next) {
1875 if (strcmp(format->name, name) == 0)
1882 static struct format_field *
1883 find_field(struct event *event, const char *name)
1885 struct format_field *format;
1887 for (format = event->format.fields;
1888 format; format = format->next) {
1889 if (strcmp(format->name, name) == 0)
1896 static struct format_field *
1897 find_any_field(struct event *event, const char *name)
1899 struct format_field *format;
1901 format = find_common_field(event, name);
1904 return find_field(event, name);
1907 unsigned long long read_size(void *ptr, int size)
1911 return *(unsigned char *)ptr;
1913 return data2host2(ptr);
1915 return data2host4(ptr);
1917 return data2host8(ptr);
1925 raw_field_value(struct event *event, const char *name, void *data)
1927 struct format_field *field;
1929 field = find_any_field(event, name);
1933 return read_size(data + field->offset, field->size);
1936 void *raw_field_ptr(struct event *event, const char *name, void *data)
1938 struct format_field *field;
1940 field = find_any_field(event, name);
1944 if (field->flags & FIELD_IS_DYNAMIC) {
1947 offset = *(int *)(data + field->offset);
1950 return data + offset;
1953 return data + field->offset;
1956 static int get_common_info(const char *type, int *offset, int *size)
1958 struct event *event;
1959 struct format_field *field;
1962 * All events should have the same common elements.
1963 * Pick any event to find where the type is;
1966 die("no event_list!");
1969 field = find_common_field(event, type);
1971 die("field '%s' not found", type);
1973 *offset = field->offset;
1974 *size = field->size;
1979 static int __parse_common(void *data, int *size, int *offset,
1985 ret = get_common_info(name, offset, size);
1989 return read_size(data + *offset, *size);
1992 int trace_parse_common_type(void *data)
1994 static int type_offset;
1995 static int type_size;
1997 return __parse_common(data, &type_size, &type_offset,
2001 int trace_parse_common_pid(void *data)
2003 static int pid_offset;
2004 static int pid_size;
2006 return __parse_common(data, &pid_size, &pid_offset,
2010 int parse_common_pc(void *data)
2012 static int pc_offset;
2015 return __parse_common(data, &pc_size, &pc_offset,
2016 "common_preempt_count");
2019 int parse_common_flags(void *data)
2021 static int flags_offset;
2022 static int flags_size;
2024 return __parse_common(data, &flags_size, &flags_offset,
2028 int parse_common_lock_depth(void *data)
2030 static int ld_offset;
2034 ret = __parse_common(data, &ld_size, &ld_offset,
2035 "common_lock_depth");
2042 struct event *trace_find_event(int id)
2044 struct event *event;
2046 for (event = event_list; event; event = event->next) {
2047 if (event->id == id)
2053 struct event *trace_find_next_event(struct event *event)
2061 static unsigned long long eval_num_arg(void *data, int size,
2062 struct event *event, struct print_arg *arg)
2064 unsigned long long val = 0;
2065 unsigned long long left, right;
2066 struct print_arg *larg;
2068 switch (arg->type) {
2073 return strtoull(arg->atom.atom, NULL, 0);
2075 if (!arg->field.field) {
2076 arg->field.field = find_any_field(event, arg->field.name);
2077 if (!arg->field.field)
2078 die("field %s not found", arg->field.name);
2080 /* must be a number */
2081 val = read_size(data + arg->field.field->offset,
2082 arg->field.field->size);
2088 return eval_num_arg(data, size, event, arg->typecast.item);
2093 if (strcmp(arg->op.op, "[") == 0) {
2095 * Arrays are special, since we don't want
2096 * to read the arg as is.
2098 if (arg->op.left->type != PRINT_FIELD)
2099 goto default_op; /* oops, all bets off */
2100 larg = arg->op.left;
2101 if (!larg->field.field) {
2103 find_any_field(event, larg->field.name);
2104 if (!larg->field.field)
2105 die("field %s not found", larg->field.name);
2107 right = eval_num_arg(data, size, event, arg->op.right);
2108 val = read_size(data + larg->field.field->offset +
2109 right * long_size, long_size);
2113 left = eval_num_arg(data, size, event, arg->op.left);
2114 right = eval_num_arg(data, size, event, arg->op.right);
2115 switch (arg->op.op[0]) {
2118 val = left || right;
2124 val = left && right;
2129 switch (arg->op.op[1]) {
2134 val = left << right;
2137 val = left <= right;
2140 die("unknown op '%s'", arg->op.op);
2144 switch (arg->op.op[1]) {
2149 val = left >> right;
2152 val = left >= right;
2155 die("unknown op '%s'", arg->op.op);
2159 if (arg->op.op[1] != '=')
2160 die("unknown op '%s'", arg->op.op);
2161 val = left == right;
2170 die("unknown op '%s'", arg->op.op);
2173 default: /* not sure what to do there */
2181 unsigned long long value;
2184 static const struct flag flags[] = {
2185 { "HI_SOFTIRQ", 0 },
2186 { "TIMER_SOFTIRQ", 1 },
2187 { "NET_TX_SOFTIRQ", 2 },
2188 { "NET_RX_SOFTIRQ", 3 },
2189 { "BLOCK_SOFTIRQ", 4 },
2190 { "BLOCK_IOPOLL_SOFTIRQ", 5 },
2191 { "TASKLET_SOFTIRQ", 6 },
2192 { "SCHED_SOFTIRQ", 7 },
2193 { "HRTIMER_SOFTIRQ", 8 },
2194 { "RCU_SOFTIRQ", 9 },
2196 { "HRTIMER_NORESTART", 0 },
2197 { "HRTIMER_RESTART", 1 },
2200 unsigned long long eval_flag(const char *flag)
2205 * Some flags in the format files do not get converted.
2206 * If the flag is not numeric, see if it is something that
2207 * we already know about.
2209 if (isdigit(flag[0]))
2210 return strtoull(flag, NULL, 0);
2212 for (i = 0; i < (int)(sizeof(flags)/sizeof(flags[0])); i++)
2213 if (strcmp(flags[i].name, flag) == 0)
2214 return flags[i].value;
2219 static void print_str_arg(void *data, int size,
2220 struct event *event, struct print_arg *arg)
2222 struct print_flag_sym *flag;
2223 unsigned long long val, fval;
2227 switch (arg->type) {
2232 printf("%s", arg->atom.atom);
2235 if (!arg->field.field) {
2236 arg->field.field = find_any_field(event, arg->field.name);
2237 if (!arg->field.field)
2238 die("field %s not found", arg->field.name);
2240 str = malloc_or_die(arg->field.field->size + 1);
2241 memcpy(str, data + arg->field.field->offset,
2242 arg->field.field->size);
2243 str[arg->field.field->size] = 0;
2248 val = eval_num_arg(data, size, event, arg->flags.field);
2250 for (flag = arg->flags.flags; flag; flag = flag->next) {
2251 fval = eval_flag(flag->value);
2252 if (!val && !fval) {
2253 printf("%s", flag->str);
2256 if (fval && (val & fval) == fval) {
2257 if (print && arg->flags.delim)
2258 printf("%s", arg->flags.delim);
2259 printf("%s", flag->str);
2266 val = eval_num_arg(data, size, event, arg->symbol.field);
2267 for (flag = arg->symbol.symbols; flag; flag = flag->next) {
2268 fval = eval_flag(flag->value);
2270 printf("%s", flag->str);
2278 case PRINT_STRING: {
2281 if (arg->string.offset == -1) {
2282 struct format_field *f;
2284 f = find_any_field(event, arg->string.string);
2285 arg->string.offset = f->offset;
2287 str_offset = *(int *)(data + arg->string.offset);
2288 str_offset &= 0xffff;
2289 printf("%s", ((char *)data) + str_offset);
2294 * The only op for string should be ? :
2296 if (arg->op.op[0] != '?')
2298 val = eval_num_arg(data, size, event, arg->op.left);
2300 print_str_arg(data, size, event, arg->op.right->op.left);
2302 print_str_arg(data, size, event, arg->op.right->op.right);
2310 static struct print_arg *make_bprint_args(char *fmt, void *data, int size, struct event *event)
2312 static struct format_field *field, *ip_field;
2313 struct print_arg *args, *arg, **next;
2314 unsigned long long ip, val;
2319 field = find_field(event, "buf");
2321 die("can't find buffer field for binary printk");
2322 ip_field = find_field(event, "ip");
2324 die("can't find ip field for binary printk");
2327 ip = read_size(data + ip_field->offset, ip_field->size);
2330 * The first arg is the IP pointer.
2332 args = malloc_or_die(sizeof(*args));
2337 arg->type = PRINT_ATOM;
2338 arg->atom.atom = malloc_or_die(32);
2339 sprintf(arg->atom.atom, "%lld", ip);
2341 /* skip the first "%pf : " */
2342 for (ptr = fmt + 6, bptr = data + field->offset;
2343 bptr < data + size && *ptr; ptr++) {
2367 /* the pointers are always 4 bytes aligned */
2368 bptr = (void *)(((unsigned long)bptr + 3) &
2380 val = read_size(bptr, ls);
2382 arg = malloc_or_die(sizeof(*arg));
2384 arg->type = PRINT_ATOM;
2385 arg->atom.atom = malloc_or_die(32);
2386 sprintf(arg->atom.atom, "%lld", val);
2391 arg = malloc_or_die(sizeof(*arg));
2393 arg->type = PRINT_STRING;
2394 arg->string.string = strdup(bptr);
2395 bptr += strlen(bptr) + 1;
2407 static void free_args(struct print_arg *args)
2409 struct print_arg *next;
2414 if (args->type == PRINT_ATOM)
2415 free(args->atom.atom);
2417 free(args->string.string);
2423 static char *get_bprint_format(void *data, int size __unused, struct event *event)
2425 unsigned long long addr;
2426 static struct format_field *field;
2427 struct printk_map *printk;
2432 field = find_field(event, "fmt");
2434 die("can't find format field for binary printk");
2435 printf("field->offset = %d size=%d\n", field->offset, field->size);
2438 addr = read_size(data + field->offset, field->size);
2440 printk = find_printk(addr);
2442 format = malloc_or_die(45);
2443 sprintf(format, "%%pf : (NO FORMAT FOUND at %llx)\n",
2449 /* Remove any quotes. */
2452 format = malloc_or_die(strlen(p) + 10);
2453 sprintf(format, "%s : %s", "%pf", p);
2454 /* remove ending quotes and new line since we will add one too */
2455 p = format + strlen(format) - 1;
2460 if (strcmp(p, "\\n") == 0)
2466 static void pretty_print(void *data, int size, struct event *event)
2468 struct print_fmt *print_fmt = &event->print_fmt;
2469 struct print_arg *arg = print_fmt->args;
2470 struct print_arg *args = NULL;
2471 const char *ptr = print_fmt->format;
2472 unsigned long long val;
2473 struct func_map *func;
2474 const char *saveptr;
2475 char *bprint_fmt = NULL;
2481 if (event->flags & EVENT_FL_ISFUNC)
2482 ptr = " %pF <-- %pF";
2484 if (event->flags & EVENT_FL_ISBPRINT) {
2485 bprint_fmt = get_bprint_format(data, size, event);
2486 args = make_bprint_args(bprint_fmt, data, size, event);
2491 for (; *ptr; ptr++) {
2513 } else if (*ptr == '%') {
2538 if (*(ptr+1) == 'F' ||
2551 die("no argument match");
2553 len = ((unsigned long)ptr + 1) -
2554 (unsigned long)saveptr;
2556 /* should never happen */
2560 memcpy(format, saveptr, len);
2563 val = eval_num_arg(data, size, event, arg);
2567 func = find_func(val);
2569 printf("%s", func->func);
2570 if (show_func == 'F')
2578 printf(format, (int)val);
2581 printf(format, (long)val);
2584 printf(format, (long long)val);
2587 die("bad count (%d)", ls);
2592 die("no matching argument");
2594 print_str_arg(data, size, event, arg);
2598 printf(">%c<", *ptr);
2611 static inline int log10_cpu(int nb)
2620 static void print_lat_fmt(void *data, int size __unused)
2622 unsigned int lat_flags;
2628 lat_flags = parse_common_flags(data);
2629 pc = parse_common_pc(data);
2630 lock_depth = parse_common_lock_depth(data);
2632 hardirq = lat_flags & TRACE_FLAG_HARDIRQ;
2633 softirq = lat_flags & TRACE_FLAG_SOFTIRQ;
2636 (lat_flags & TRACE_FLAG_IRQS_OFF) ? 'd' :
2637 (lat_flags & TRACE_FLAG_IRQS_NOSUPPORT) ?
2639 (lat_flags & TRACE_FLAG_NEED_RESCHED) ?
2641 (hardirq && softirq) ? 'H' :
2642 hardirq ? 'h' : softirq ? 's' : '.');
2652 printf("%d ", lock_depth);
2655 #define TRACE_GRAPH_INDENT 2
2657 static struct record *
2658 get_return_for_leaf(int cpu, int cur_pid, unsigned long long cur_func,
2659 struct record *next)
2661 struct format_field *field;
2662 struct event *event;
2667 type = trace_parse_common_type(next->data);
2668 event = trace_find_event(type);
2672 if (!(event->flags & EVENT_FL_ISFUNCRET))
2675 pid = trace_parse_common_pid(next->data);
2676 field = find_field(event, "func");
2678 die("function return does not have field func");
2680 val = read_size(next->data + field->offset, field->size);
2682 if (cur_pid != pid || cur_func != val)
2685 /* this is a leaf, now advance the iterator */
2686 return trace_read_data(cpu);
2689 /* Signal a overhead of time execution to the output */
2690 static void print_graph_overhead(unsigned long long duration)
2692 /* Non nested entry or return */
2693 if (duration == ~0ULL)
2694 return (void)printf(" ");
2696 /* Duration exceeded 100 msecs */
2697 if (duration > 100000ULL)
2698 return (void)printf("! ");
2700 /* Duration exceeded 10 msecs */
2701 if (duration > 10000ULL)
2702 return (void)printf("+ ");
2707 static void print_graph_duration(unsigned long long duration)
2709 unsigned long usecs = duration / 1000;
2710 unsigned long nsecs_rem = duration % 1000;
2711 /* log10(ULONG_MAX) + '\0' */
2717 sprintf(msecs_str, "%lu", usecs);
2720 len = printf("%lu", usecs);
2722 /* Print nsecs (we don't want to exceed 7 numbers) */
2724 snprintf(nsecs_str, 8 - len, "%03lu", nsecs_rem);
2725 len += printf(".%s", nsecs_str);
2730 /* Print remaining spaces to fit the row's width */
2731 for (i = len; i < 7; i++)
2738 print_graph_entry_leaf(struct event *event, void *data, struct record *ret_rec)
2740 unsigned long long rettime, calltime;
2741 unsigned long long duration, depth;
2742 unsigned long long val;
2743 struct format_field *field;
2744 struct func_map *func;
2745 struct event *ret_event;
2749 type = trace_parse_common_type(ret_rec->data);
2750 ret_event = trace_find_event(type);
2752 field = find_field(ret_event, "rettime");
2754 die("can't find rettime in return graph");
2755 rettime = read_size(ret_rec->data + field->offset, field->size);
2757 field = find_field(ret_event, "calltime");
2759 die("can't find rettime in return graph");
2760 calltime = read_size(ret_rec->data + field->offset, field->size);
2762 duration = rettime - calltime;
2765 print_graph_overhead(duration);
2768 print_graph_duration(duration);
2770 field = find_field(event, "depth");
2772 die("can't find depth in entry graph");
2773 depth = read_size(data + field->offset, field->size);
2776 for (i = 0; i < (int)(depth * TRACE_GRAPH_INDENT); i++)
2779 field = find_field(event, "func");
2781 die("can't find func in entry graph");
2782 val = read_size(data + field->offset, field->size);
2783 func = find_func(val);
2786 printf("%s();", func->func);
2788 printf("%llx();", val);
2791 static void print_graph_nested(struct event *event, void *data)
2793 struct format_field *field;
2794 unsigned long long depth;
2795 unsigned long long val;
2796 struct func_map *func;
2800 print_graph_overhead(-1);
2805 field = find_field(event, "depth");
2807 die("can't find depth in entry graph");
2808 depth = read_size(data + field->offset, field->size);
2811 for (i = 0; i < (int)(depth * TRACE_GRAPH_INDENT); i++)
2814 field = find_field(event, "func");
2816 die("can't find func in entry graph");
2817 val = read_size(data + field->offset, field->size);
2818 func = find_func(val);
2821 printf("%s() {", func->func);
2823 printf("%llx() {", val);
2827 pretty_print_func_ent(void *data, int size, struct event *event,
2830 struct format_field *field;
2835 if (latency_format) {
2836 print_lat_fmt(data, size);
2840 field = find_field(event, "func");
2842 die("function entry does not have func field");
2844 val = read_size(data + field->offset, field->size);
2847 * peek_data may unmap the data pointer. Copy it first.
2849 copy_data = malloc_or_die(size);
2850 memcpy(copy_data, data, size);
2853 rec = trace_peek_data(cpu);
2855 rec = get_return_for_leaf(cpu, pid, val, rec);
2857 print_graph_entry_leaf(event, data, rec);
2861 print_graph_nested(event, data);
2867 pretty_print_func_ret(void *data, int size __unused, struct event *event)
2869 unsigned long long rettime, calltime;
2870 unsigned long long duration, depth;
2871 struct format_field *field;
2874 if (latency_format) {
2875 print_lat_fmt(data, size);
2879 field = find_field(event, "rettime");
2881 die("can't find rettime in return graph");
2882 rettime = read_size(data + field->offset, field->size);
2884 field = find_field(event, "calltime");
2886 die("can't find calltime in return graph");
2887 calltime = read_size(data + field->offset, field->size);
2889 duration = rettime - calltime;
2892 print_graph_overhead(duration);
2895 print_graph_duration(duration);
2897 field = find_field(event, "depth");
2899 die("can't find depth in entry graph");
2900 depth = read_size(data + field->offset, field->size);
2903 for (i = 0; i < (int)(depth * TRACE_GRAPH_INDENT); i++)
2910 pretty_print_func_graph(void *data, int size, struct event *event,
2913 if (event->flags & EVENT_FL_ISFUNCENT)
2914 pretty_print_func_ent(data, size, event, cpu, pid);
2915 else if (event->flags & EVENT_FL_ISFUNCRET)
2916 pretty_print_func_ret(data, size, event);
2920 void print_trace_event(int cpu, void *data, int size)
2922 struct event *event;
2926 type = trace_parse_common_type(data);
2928 event = trace_find_event(type);
2930 warning("ug! no event found for type %d", type);
2934 pid = trace_parse_common_pid(data);
2936 if (event->flags & (EVENT_FL_ISFUNCENT | EVENT_FL_ISFUNCRET))
2937 return pretty_print_func_graph(data, size, event, cpu, pid);
2940 print_lat_fmt(data, size);
2942 if (event->flags & EVENT_FL_FAILED) {
2943 printf("EVENT '%s' FAILED TO PARSE\n",
2948 pretty_print(data, size, event);
2951 static void print_fields(struct print_flag_sym *field)
2953 printf("{ %s, %s }", field->value, field->str);
2956 print_fields(field->next);
2960 static void print_args(struct print_arg *args)
2962 int print_paren = 1;
2964 switch (args->type) {
2969 printf("%s", args->atom.atom);
2972 printf("REC->%s", args->field.name);
2975 printf("__print_flags(");
2976 print_args(args->flags.field);
2977 printf(", %s, ", args->flags.delim);
2978 print_fields(args->flags.flags);
2982 printf("__print_symbolic(");
2983 print_args(args->symbol.field);
2985 print_fields(args->symbol.symbols);
2989 printf("__get_str(%s)", args->string.string);
2992 printf("(%s)", args->typecast.type);
2993 print_args(args->typecast.item);
2996 if (strcmp(args->op.op, ":") == 0)
3000 print_args(args->op.left);
3001 printf(" %s ", args->op.op);
3002 print_args(args->op.right);
3007 /* we should warn... */
3012 print_args(args->next);
3016 int parse_ftrace_file(char *buf, unsigned long size)
3018 struct format_field *field;
3019 struct print_arg *arg, **list;
3020 struct event *event;
3023 init_input_buf(buf, size);
3025 event = alloc_event();
3029 event->flags |= EVENT_FL_ISFTRACE;
3031 event->name = event_read_name();
3033 die("failed to read ftrace event name");
3035 if (strcmp(event->name, "function") == 0)
3036 event->flags |= EVENT_FL_ISFUNC;
3038 else if (strcmp(event->name, "funcgraph_entry") == 0)
3039 event->flags |= EVENT_FL_ISFUNCENT;
3041 else if (strcmp(event->name, "funcgraph_exit") == 0)
3042 event->flags |= EVENT_FL_ISFUNCRET;
3044 else if (strcmp(event->name, "bprint") == 0)
3045 event->flags |= EVENT_FL_ISBPRINT;
3047 event->id = event_read_id();
3049 die("failed to read ftrace event id");
3053 ret = event_read_format(event);
3055 die("failed to read ftrace event format");
3057 ret = event_read_print(event);
3059 die("failed to read ftrace event print fmt");
3061 /* New ftrace handles args */
3065 * The arguments for ftrace files are parsed by the fields.
3066 * Set up the fields as their arguments.
3068 list = &event->print_fmt.args;
3069 for (field = event->format.fields; field; field = field->next) {
3070 arg = malloc_or_die(sizeof(*arg));
3071 memset(arg, 0, sizeof(*arg));
3074 arg->type = PRINT_FIELD;
3075 arg->field.name = field->name;
3076 arg->field.field = field;
3081 int parse_event_file(char *buf, unsigned long size, char *sys)
3083 struct event *event;
3086 init_input_buf(buf, size);
3088 event = alloc_event();
3092 event->name = event_read_name();
3094 die("failed to read event name");
3096 event->id = event_read_id();
3098 die("failed to read event id");
3100 ret = event_read_format(event);
3102 warning("failed to read event format for %s", event->name);
3106 ret = event_read_print(event);
3108 warning("failed to read event print fmt for %s", event->name);
3112 event->system = strdup(sys);
3114 #define PRINT_ARGS 0
3115 if (PRINT_ARGS && event->print_fmt.args)
3116 print_args(event->print_fmt.args);
3122 event->flags |= EVENT_FL_FAILED;
3123 /* still add it even if it failed */
3128 void parse_set_info(int nr_cpus, int long_sz)
3131 long_size = long_sz;
3134 int common_pc(struct scripting_context *context)
3136 return parse_common_pc(context->event_data);
3139 int common_flags(struct scripting_context *context)
3141 return parse_common_flags(context->event_data);
3144 int common_lock_depth(struct scripting_context *context)
3146 return parse_common_lock_depth(context->event_data);