4 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation;
8 * version 2.1 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 Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this program; if not, see <http://www.gnu.org/licenses>
18 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
20 #ifndef _PARSE_EVENTS_H
21 #define _PARSE_EVENTS_H
29 #ifndef __maybe_unused
30 #define __maybe_unused __attribute__((unused))
33 /* ----------------------- trace_seq ----------------------- */
36 #ifndef TRACE_SEQ_BUF_SIZE
37 #define TRACE_SEQ_BUF_SIZE 4096
41 #define DEBUG_RECORD 0
45 unsigned long long ts;
46 unsigned long long offset;
47 long long missed_events; /* buffer dropped events before */
48 int record_size; /* size of binary record */
49 int size; /* size of data */
53 int locked; /* Do not free, even if ref_count is zero */
56 struct tep_record *prev;
57 struct tep_record *next;
64 TRACE_SEQ__BUFFER_POISONED,
65 TRACE_SEQ__MEM_ALLOC_FAILED,
69 * Trace sequences are used to allow a function to call several other functions
70 * to create a string of data to use (up to a max of PAGE_SIZE).
75 unsigned int buffer_size;
78 enum trace_seq_fail state;
81 void trace_seq_init(struct trace_seq *s);
82 void trace_seq_reset(struct trace_seq *s);
83 void trace_seq_destroy(struct trace_seq *s);
85 extern int trace_seq_printf(struct trace_seq *s, const char *fmt, ...)
86 __attribute__ ((format (printf, 2, 3)));
87 extern int trace_seq_vprintf(struct trace_seq *s, const char *fmt, va_list args)
88 __attribute__ ((format (printf, 2, 0)));
90 extern int trace_seq_puts(struct trace_seq *s, const char *str);
91 extern int trace_seq_putc(struct trace_seq *s, unsigned char c);
93 extern void trace_seq_terminate(struct trace_seq *s);
95 extern int trace_seq_do_fprintf(struct trace_seq *s, FILE *fp);
96 extern int trace_seq_do_printf(struct trace_seq *s);
99 /* ----------------------- pevent ----------------------- */
104 typedef int (*tep_event_handler_func)(struct trace_seq *s,
105 struct tep_record *record,
106 struct event_format *event,
109 typedef int (*tep_plugin_load_func)(struct tep_handle *pevent);
110 typedef int (*tep_plugin_unload_func)(struct tep_handle *pevent);
112 struct tep_plugin_option {
113 struct tep_plugin_option *next;
125 * Plugin hooks that can be called:
127 * TEP_PLUGIN_LOADER: (required)
128 * The function name to initialized the plugin.
130 * int TEP_PLUGIN_LOADER(struct tep_handle *pevent)
132 * TEP_PLUGIN_UNLOADER: (optional)
133 * The function called just before unloading
135 * int TEP_PLUGIN_UNLOADER(struct tep_handle *pevent)
137 * TEP_PLUGIN_OPTIONS: (optional)
138 * Plugin options that can be set before loading
140 * struct tep_plugin_option TEP_PLUGIN_OPTIONS[] = {
142 * .name = "option-name",
143 * .plugin_alias = "override-file-name", (optional)
144 * .description = "description of option to show users",
151 * Array must end with .name = NULL;
154 * .plugin_alias is used to give a shorter name to access
155 * the vairable. Useful if a plugin handles more than one event.
157 * If .value is not set, then it is considered a boolean and only
158 * .set will be processed. If .value is defined, then it is considered
159 * a string option and .set will be ignored.
161 * TEP_PLUGIN_ALIAS: (optional)
162 * The name to use for finding options (uses filename if not defined)
164 #define TEP_PLUGIN_LOADER tep_plugin_loader
165 #define TEP_PLUGIN_UNLOADER tep_plugin_unloader
166 #define TEP_PLUGIN_OPTIONS tep_plugin_options
167 #define TEP_PLUGIN_ALIAS tep_plugin_alias
168 #define _MAKE_STR(x) #x
169 #define MAKE_STR(x) _MAKE_STR(x)
170 #define TEP_PLUGIN_LOADER_NAME MAKE_STR(TEP_PLUGIN_LOADER)
171 #define TEP_PLUGIN_UNLOADER_NAME MAKE_STR(TEP_PLUGIN_UNLOADER)
172 #define TEP_PLUGIN_OPTIONS_NAME MAKE_STR(TEP_PLUGIN_OPTIONS)
173 #define TEP_PLUGIN_ALIAS_NAME MAKE_STR(TEP_PLUGIN_ALIAS)
177 FIELD_IS_POINTER = 2,
180 FIELD_IS_DYNAMIC = 16,
183 FIELD_IS_SYMBOLIC = 128,
186 struct format_field {
187 struct format_field *next;
188 struct event_format *event;
194 unsigned int arraylen;
195 unsigned int elementsize;
202 struct format_field *common_fields;
203 struct format_field *fields;
206 struct print_arg_atom {
210 struct print_arg_string {
215 struct print_arg_bitmask {
220 struct print_arg_field {
222 struct format_field *field;
225 struct print_flag_sym {
226 struct print_flag_sym *next;
231 struct print_arg_typecast {
233 struct print_arg *item;
236 struct print_arg_flags {
237 struct print_arg *field;
239 struct print_flag_sym *flags;
242 struct print_arg_symbol {
243 struct print_arg *field;
244 struct print_flag_sym *symbols;
247 struct print_arg_hex {
248 struct print_arg *field;
249 struct print_arg *size;
252 struct print_arg_int_array {
253 struct print_arg *field;
254 struct print_arg *count;
255 struct print_arg *el_size;
258 struct print_arg_dynarray {
259 struct format_field *field;
260 struct print_arg *index;
265 struct print_arg_op {
268 struct print_arg *left;
269 struct print_arg *right;
272 struct tep_function_handler;
274 struct print_arg_func {
275 struct tep_function_handler *func;
276 struct print_arg *args;
279 enum print_arg_type {
294 PRINT_DYNAMIC_ARRAY_LEN,
299 struct print_arg *next;
300 enum print_arg_type type;
302 struct print_arg_atom atom;
303 struct print_arg_field field;
304 struct print_arg_typecast typecast;
305 struct print_arg_flags flags;
306 struct print_arg_symbol symbol;
307 struct print_arg_hex hex;
308 struct print_arg_int_array int_array;
309 struct print_arg_func func;
310 struct print_arg_string string;
311 struct print_arg_bitmask bitmask;
312 struct print_arg_op op;
313 struct print_arg_dynarray dynarray;
319 struct print_arg *args;
322 struct event_format {
323 struct tep_handle *pevent;
327 struct format format;
328 struct print_fmt print_fmt;
330 tep_event_handler_func handler;
335 EVENT_FL_ISFTRACE = 0x01,
336 EVENT_FL_ISPRINT = 0x02,
337 EVENT_FL_ISBPRINT = 0x04,
338 EVENT_FL_ISFUNCENT = 0x10,
339 EVENT_FL_ISFUNCRET = 0x20,
340 EVENT_FL_NOHANDLE = 0x40,
341 EVENT_FL_PRINTRAW = 0x80,
343 EVENT_FL_FAILED = 0x80000000
346 enum event_sort_type {
364 typedef unsigned long long (*tep_func_handler)(struct trace_seq *s,
365 unsigned long long *args);
367 enum tep_func_arg_type {
373 TEP_FUNC_ARG_MAX_TYPES
377 TEP_NSEC_OUTPUT = 1, /* output in NSECS */
378 TEP_DISABLE_SYS_PLUGINS = 1 << 1,
379 TEP_DISABLE_PLUGINS = 1 << 2,
383 _PE(MEM_ALLOC_FAILED, "failed to allocate memory"), \
384 _PE(PARSE_EVENT_FAILED, "failed to parse event"), \
385 _PE(READ_ID_FAILED, "failed to read event id"), \
386 _PE(READ_FORMAT_FAILED, "failed to read event format"), \
387 _PE(READ_PRINT_FAILED, "failed to read event print fmt"), \
388 _PE(OLD_FTRACE_ARG_FAILED,"failed to allocate field name for ftrace"),\
389 _PE(INVALID_ARG_TYPE, "invalid argument type"), \
390 _PE(INVALID_EXP_TYPE, "invalid expression type"), \
391 _PE(INVALID_OP_TYPE, "invalid operator type"), \
392 _PE(INVALID_EVENT_NAME, "invalid event name"), \
393 _PE(EVENT_NOT_FOUND, "no event found"), \
394 _PE(SYNTAX_ERROR, "syntax error"), \
395 _PE(ILLEGAL_RVALUE, "illegal rvalue"), \
396 _PE(ILLEGAL_LVALUE, "illegal lvalue for string comparison"), \
397 _PE(INVALID_REGEX, "regex did not compute"), \
398 _PE(ILLEGAL_STRING_CMP, "illegal comparison for string"), \
399 _PE(ILLEGAL_INTEGER_CMP,"illegal comparison for integer"), \
400 _PE(REPARENT_NOT_OP, "cannot reparent other than OP"), \
401 _PE(REPARENT_FAILED, "failed to reparent filter OP"), \
402 _PE(BAD_FILTER_ARG, "bad arg in filter tree"), \
403 _PE(UNEXPECTED_TYPE, "unexpected type (not a value)"), \
404 _PE(ILLEGAL_TOKEN, "illegal token"), \
405 _PE(INVALID_PAREN, "open parenthesis cannot come here"), \
406 _PE(UNBALANCED_PAREN, "unbalanced number of parenthesis"), \
407 _PE(UNKNOWN_TOKEN, "unknown token"), \
408 _PE(FILTER_NOT_FOUND, "no filter found"), \
409 _PE(NOT_A_NUMBER, "must have number field"), \
410 _PE(NO_FILTER, "no filters exists"), \
411 _PE(FILTER_MISS, "record does not match to filter")
414 #define _PE(__code, __str) TEP_ERRNO__ ## __code
416 TEP_ERRNO__SUCCESS = 0,
417 TEP_ERRNO__FILTER_MATCH = TEP_ERRNO__SUCCESS,
420 * Choose an arbitrary negative big number not to clash with standard
421 * errno since SUS requires the errno has distinct positive values.
422 * See 'Issue 6' in the link below.
424 * http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/errno.h.html
426 __TEP_ERRNO__START = -100000,
436 #define INVALID_PLUGIN_LIST_OPTION ((char **)((unsigned long)-1))
438 struct plugin_list *tep_load_plugins(struct tep_handle *pevent);
439 void tep_unload_plugins(struct plugin_list *plugin_list,
440 struct tep_handle *pevent);
441 char **tep_plugin_list_options(void);
442 void tep_plugin_free_options_list(char **list);
443 int tep_plugin_add_options(const char *name,
444 struct tep_plugin_option *options);
445 void tep_plugin_remove_options(struct tep_plugin_option *options);
446 void tep_print_plugins(struct trace_seq *s,
447 const char *prefix, const char *suffix,
448 const struct plugin_list *list);
454 struct event_handler;
455 struct func_resolver;
457 typedef char *(tep_func_resolver_t)(void *priv,
458 unsigned long long *addrp, char **modp);
463 int header_page_ts_offset;
464 int header_page_ts_size;
465 int header_page_size_offset;
466 int header_page_size_size;
467 int header_page_data_offset;
468 int header_page_data_size;
469 int header_page_overwrite;
482 struct cmdline *cmdlines;
483 struct cmdline_list *cmdlist;
486 struct func_map *func_map;
487 struct func_resolver *func_resolver;
488 struct func_list *funclist;
489 unsigned int func_count;
491 struct printk_map *printk_map;
492 struct printk_list *printklist;
493 unsigned int printk_count;
496 struct event_format **events;
498 struct event_format **sort_events;
499 enum event_sort_type last_type;
522 struct format_field *bprint_ip_field;
523 struct format_field *bprint_fmt_field;
524 struct format_field *bprint_buf_field;
526 struct event_handler *handlers;
527 struct tep_function_handler *func_handlers;
530 struct event_format *last_event;
535 static inline void tep_set_flag(struct tep_handle *pevent, int flag)
537 pevent->flags |= flag;
540 static inline unsigned short
541 __data2host2(struct tep_handle *pevent, unsigned short data)
545 if (pevent->host_bigendian == pevent->file_bigendian)
548 swap = ((data & 0xffULL) << 8) |
549 ((data & (0xffULL << 8)) >> 8);
554 static inline unsigned int
555 __data2host4(struct tep_handle *pevent, unsigned int data)
559 if (pevent->host_bigendian == pevent->file_bigendian)
562 swap = ((data & 0xffULL) << 24) |
563 ((data & (0xffULL << 8)) << 8) |
564 ((data & (0xffULL << 16)) >> 8) |
565 ((data & (0xffULL << 24)) >> 24);
570 static inline unsigned long long
571 __data2host8(struct tep_handle *pevent, unsigned long long data)
573 unsigned long long swap;
575 if (pevent->host_bigendian == pevent->file_bigendian)
578 swap = ((data & 0xffULL) << 56) |
579 ((data & (0xffULL << 8)) << 40) |
580 ((data & (0xffULL << 16)) << 24) |
581 ((data & (0xffULL << 24)) << 8) |
582 ((data & (0xffULL << 32)) >> 8) |
583 ((data & (0xffULL << 40)) >> 24) |
584 ((data & (0xffULL << 48)) >> 40) |
585 ((data & (0xffULL << 56)) >> 56);
590 #define data2host2(pevent, ptr) __data2host2(pevent, *(unsigned short *)(ptr))
591 #define data2host4(pevent, ptr) __data2host4(pevent, *(unsigned int *)(ptr))
592 #define data2host8(pevent, ptr) \
594 unsigned long long __val; \
596 memcpy(&__val, (ptr), sizeof(unsigned long long)); \
597 __data2host8(pevent, __val); \
600 static inline int tep_host_bigendian(void)
602 unsigned char str[] = { 0x1, 0x2, 0x3, 0x4 };
605 memcpy(&val, str, 4);
606 return val == 0x01020304;
609 /* taken from kernel/trace/trace.h */
610 enum trace_flag_type {
611 TRACE_FLAG_IRQS_OFF = 0x01,
612 TRACE_FLAG_IRQS_NOSUPPORT = 0x02,
613 TRACE_FLAG_NEED_RESCHED = 0x04,
614 TRACE_FLAG_HARDIRQ = 0x08,
615 TRACE_FLAG_SOFTIRQ = 0x10,
618 int tep_set_function_resolver(struct tep_handle *pevent,
619 tep_func_resolver_t *func, void *priv);
620 void tep_reset_function_resolver(struct tep_handle *pevent);
621 int tep_register_comm(struct tep_handle *pevent, const char *comm, int pid);
622 int tep_register_trace_clock(struct tep_handle *pevent, const char *trace_clock);
623 int tep_register_function(struct tep_handle *pevent, char *name,
624 unsigned long long addr, char *mod);
625 int tep_register_print_string(struct tep_handle *pevent, const char *fmt,
626 unsigned long long addr);
627 int tep_pid_is_registered(struct tep_handle *pevent, int pid);
629 void tep_print_event_task(struct tep_handle *pevent, struct trace_seq *s,
630 struct event_format *event,
631 struct tep_record *record);
632 void tep_print_event_time(struct tep_handle *pevent, struct trace_seq *s,
633 struct event_format *event,
634 struct tep_record *record,
635 bool use_trace_clock);
636 void tep_print_event_data(struct tep_handle *pevent, struct trace_seq *s,
637 struct event_format *event,
638 struct tep_record *record);
639 void tep_print_event(struct tep_handle *pevent, struct trace_seq *s,
640 struct tep_record *record, bool use_trace_clock);
642 int tep_parse_header_page(struct tep_handle *pevent, char *buf, unsigned long size,
645 enum tep_errno tep_parse_event(struct tep_handle *pevent, const char *buf,
646 unsigned long size, const char *sys);
647 enum tep_errno tep_parse_format(struct tep_handle *pevent,
648 struct event_format **eventp,
650 unsigned long size, const char *sys);
651 void tep_free_format(struct event_format *event);
652 void tep_free_format_field(struct format_field *field);
654 void *tep_get_field_raw(struct trace_seq *s, struct event_format *event,
655 const char *name, struct tep_record *record,
658 int tep_get_field_val(struct trace_seq *s, struct event_format *event,
659 const char *name, struct tep_record *record,
660 unsigned long long *val, int err);
661 int tep_get_common_field_val(struct trace_seq *s, struct event_format *event,
662 const char *name, struct tep_record *record,
663 unsigned long long *val, int err);
664 int tep_get_any_field_val(struct trace_seq *s, struct event_format *event,
665 const char *name, struct tep_record *record,
666 unsigned long long *val, int err);
668 int tep_print_num_field(struct trace_seq *s, const char *fmt,
669 struct event_format *event, const char *name,
670 struct tep_record *record, int err);
672 int tep_print_func_field(struct trace_seq *s, const char *fmt,
673 struct event_format *event, const char *name,
674 struct tep_record *record, int err);
676 int tep_register_event_handler(struct tep_handle *pevent, int id,
677 const char *sys_name, const char *event_name,
678 tep_event_handler_func func, void *context);
679 int tep_unregister_event_handler(struct tep_handle *pevent, int id,
680 const char *sys_name, const char *event_name,
681 tep_event_handler_func func, void *context);
682 int tep_register_print_function(struct tep_handle *pevent,
683 tep_func_handler func,
684 enum tep_func_arg_type ret_type,
686 int tep_unregister_print_function(struct tep_handle *pevent,
687 tep_func_handler func, char *name);
689 struct format_field *tep_find_common_field(struct event_format *event, const char *name);
690 struct format_field *tep_find_field(struct event_format *event, const char *name);
691 struct format_field *tep_find_any_field(struct event_format *event, const char *name);
693 const char *tep_find_function(struct tep_handle *pevent, unsigned long long addr);
695 tep_find_function_address(struct tep_handle *pevent, unsigned long long addr);
696 unsigned long long tep_read_number(struct tep_handle *pevent, const void *ptr, int size);
697 int tep_read_number_field(struct format_field *field, const void *data,
698 unsigned long long *value);
700 struct event_format *tep_find_event(struct tep_handle *pevent, int id);
702 struct event_format *
703 tep_find_event_by_name(struct tep_handle *pevent, const char *sys, const char *name);
705 struct event_format *
706 tep_find_event_by_record(struct tep_handle *pevent, struct tep_record *record);
708 void tep_data_lat_fmt(struct tep_handle *pevent,
709 struct trace_seq *s, struct tep_record *record);
710 int tep_data_type(struct tep_handle *pevent, struct tep_record *rec);
711 struct event_format *tep_data_event_from_type(struct tep_handle *pevent, int type);
712 int tep_data_pid(struct tep_handle *pevent, struct tep_record *rec);
713 int tep_data_preempt_count(struct tep_handle *pevent, struct tep_record *rec);
714 int tep_data_flags(struct tep_handle *pevent, struct tep_record *rec);
715 const char *tep_data_comm_from_pid(struct tep_handle *pevent, int pid);
717 struct cmdline *tep_data_pid_from_comm(struct tep_handle *pevent, const char *comm,
718 struct cmdline *next);
719 int tep_cmdline_pid(struct tep_handle *pevent, struct cmdline *cmdline);
721 void tep_print_field(struct trace_seq *s, void *data,
722 struct format_field *field);
723 void tep_print_fields(struct trace_seq *s, void *data,
724 int size __maybe_unused, struct event_format *event);
725 void tep_event_info(struct trace_seq *s, struct event_format *event,
726 struct tep_record *record);
727 int tep_strerror(struct tep_handle *pevent, enum tep_errno errnum,
728 char *buf, size_t buflen);
730 struct event_format **tep_list_events(struct tep_handle *pevent, enum event_sort_type);
731 struct format_field **tep_event_common_fields(struct event_format *event);
732 struct format_field **tep_event_fields(struct event_format *event);
734 static inline int tep_get_cpus(struct tep_handle *pevent)
739 static inline void tep_set_cpus(struct tep_handle *pevent, int cpus)
744 static inline int tep_get_long_size(struct tep_handle *pevent)
746 return pevent->long_size;
749 static inline void tep_set_long_size(struct tep_handle *pevent, int long_size)
751 pevent->long_size = long_size;
754 static inline int tep_get_page_size(struct tep_handle *pevent)
756 return pevent->page_size;
759 static inline void tep_set_page_size(struct tep_handle *pevent, int _page_size)
761 pevent->page_size = _page_size;
764 static inline int tep_is_file_bigendian(struct tep_handle *pevent)
766 return pevent->file_bigendian;
769 static inline void tep_set_file_bigendian(struct tep_handle *pevent, int endian)
771 pevent->file_bigendian = endian;
774 static inline int tep_is_host_bigendian(struct tep_handle *pevent)
776 return pevent->host_bigendian;
779 static inline void tep_set_host_bigendian(struct tep_handle *pevent, int endian)
781 pevent->host_bigendian = endian;
784 static inline int tep_is_latency_format(struct tep_handle *pevent)
786 return pevent->latency_format;
789 static inline void tep_set_latency_format(struct tep_handle *pevent, int lat)
791 pevent->latency_format = lat;
794 struct tep_handle *tep_alloc(void);
795 void tep_free(struct tep_handle *pevent);
796 void tep_ref(struct tep_handle *pevent);
797 void tep_unref(struct tep_handle *pevent);
799 /* access to the internal parser */
800 void tep_buffer_init(const char *buf, unsigned long long size);
801 enum event_type tep_read_token(char **tok);
802 void tep_free_token(char *token);
803 int tep_peek_char(void);
804 const char *tep_get_input_buf(void);
805 unsigned long long tep_get_input_buf_ptr(void);
808 void tep_print_funcs(struct tep_handle *pevent);
809 void tep_print_printk(struct tep_handle *pevent);
811 /* ----------------------- filtering ----------------------- */
813 enum filter_boolean_type {
818 enum filter_op_type {
824 enum filter_cmp_type {
833 FILTER_CMP_NOT_MATCH,
835 FILTER_CMP_NOT_REGEX,
838 enum filter_exp_type {
853 enum filter_arg_type {
864 enum filter_value_type {
872 struct filter_arg_boolean {
873 enum filter_boolean_type value;
876 struct filter_arg_field {
877 struct format_field *field;
880 struct filter_arg_value {
881 enum filter_value_type type;
884 unsigned long long val;
888 struct filter_arg_op {
889 enum filter_op_type type;
890 struct filter_arg *left;
891 struct filter_arg *right;
894 struct filter_arg_exp {
895 enum filter_exp_type type;
896 struct filter_arg *left;
897 struct filter_arg *right;
900 struct filter_arg_num {
901 enum filter_cmp_type type;
902 struct filter_arg *left;
903 struct filter_arg *right;
906 struct filter_arg_str {
907 enum filter_cmp_type type;
908 struct format_field *field;
915 enum filter_arg_type type;
917 struct filter_arg_boolean boolean;
918 struct filter_arg_field field;
919 struct filter_arg_value value;
920 struct filter_arg_op op;
921 struct filter_arg_exp exp;
922 struct filter_arg_num num;
923 struct filter_arg_str str;
929 struct event_format *event;
930 struct filter_arg *filter;
933 #define TEP_FILTER_ERROR_BUFSZ 1024
935 struct event_filter {
936 struct tep_handle *pevent;
938 struct filter_type *event_filters;
939 char error_buffer[TEP_FILTER_ERROR_BUFSZ];
942 struct event_filter *tep_filter_alloc(struct tep_handle *pevent);
944 /* for backward compatibility */
945 #define FILTER_NONE TEP_ERRNO__NO_FILTER
946 #define FILTER_NOEXIST TEP_ERRNO__FILTER_NOT_FOUND
947 #define FILTER_MISS TEP_ERRNO__FILTER_MISS
948 #define FILTER_MATCH TEP_ERRNO__FILTER_MATCH
950 enum filter_trivial_type {
951 FILTER_TRIVIAL_FALSE,
956 enum tep_errno tep_filter_add_filter_str(struct event_filter *filter,
957 const char *filter_str);
959 enum tep_errno tep_filter_match(struct event_filter *filter,
960 struct tep_record *record);
962 int tep_filter_strerror(struct event_filter *filter, enum tep_errno err,
963 char *buf, size_t buflen);
965 int tep_event_filtered(struct event_filter *filter,
968 void tep_filter_reset(struct event_filter *filter);
970 int tep_filter_clear_trivial(struct event_filter *filter,
971 enum filter_trivial_type type);
973 void tep_filter_free(struct event_filter *filter);
975 char *tep_filter_make_string(struct event_filter *filter, int event_id);
977 int tep_filter_remove_event(struct event_filter *filter,
980 int tep_filter_event_has_trivial(struct event_filter *filter,
982 enum filter_trivial_type type);
984 int tep_filter_copy(struct event_filter *dest, struct event_filter *source);
986 int tep_update_trivial(struct event_filter *dest, struct event_filter *source,
987 enum filter_trivial_type type);
989 int tep_filter_compare(struct event_filter *filter1, struct event_filter *filter2);
991 #endif /* _PARSE_EVENTS_H */