xref: /openbmc/linux/tools/perf/util/parse-events.h (revision 5bd8e16d)
1 #ifndef __PERF_PARSE_EVENTS_H
2 #define __PERF_PARSE_EVENTS_H
3 /*
4  * Parse symbolic events/counts passed in as options:
5  */
6 
7 #include <linux/list.h>
8 #include <stdbool.h>
9 #include "types.h"
10 #include <linux/perf_event.h>
11 #include "types.h"
12 
13 struct list_head;
14 struct perf_evsel;
15 struct perf_evlist;
16 
17 struct option;
18 
19 struct tracepoint_path {
20 	char *system;
21 	char *name;
22 	struct tracepoint_path *next;
23 };
24 
25 extern struct tracepoint_path *tracepoint_id_to_path(u64 config);
26 extern struct tracepoint_path *tracepoint_name_to_path(const char *name);
27 extern bool have_tracepoints(struct list_head *evlist);
28 
29 const char *event_type(int type);
30 
31 extern int parse_events_option(const struct option *opt, const char *str,
32 			       int unset);
33 extern int parse_events(struct perf_evlist *evlist, const char *str);
34 extern int parse_events_terms(struct list_head *terms, const char *str);
35 extern int parse_filter(const struct option *opt, const char *str, int unset);
36 
37 #define EVENTS_HELP_MAX (128*1024)
38 
39 enum {
40 	PARSE_EVENTS__TERM_TYPE_NUM,
41 	PARSE_EVENTS__TERM_TYPE_STR,
42 };
43 
44 enum {
45 	PARSE_EVENTS__TERM_TYPE_USER,
46 	PARSE_EVENTS__TERM_TYPE_CONFIG,
47 	PARSE_EVENTS__TERM_TYPE_CONFIG1,
48 	PARSE_EVENTS__TERM_TYPE_CONFIG2,
49 	PARSE_EVENTS__TERM_TYPE_NAME,
50 	PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD,
51 	PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE,
52 };
53 
54 struct parse_events_term {
55 	char *config;
56 	union {
57 		char *str;
58 		u64  num;
59 	} val;
60 	int type_val;
61 	int type_term;
62 	struct list_head list;
63 };
64 
65 struct parse_events_evlist {
66 	struct list_head list;
67 	int idx;
68 	int nr_groups;
69 };
70 
71 struct parse_events_terms {
72 	struct list_head *terms;
73 };
74 
75 int parse_events__is_hardcoded_term(struct parse_events_term *term);
76 int parse_events_term__num(struct parse_events_term **_term,
77 			   int type_term, char *config, u64 num);
78 int parse_events_term__str(struct parse_events_term **_term,
79 			   int type_term, char *config, char *str);
80 int parse_events_term__sym_hw(struct parse_events_term **term,
81 			      char *config, unsigned idx);
82 int parse_events_term__clone(struct parse_events_term **new,
83 			     struct parse_events_term *term);
84 void parse_events__free_terms(struct list_head *terms);
85 int parse_events__modifier_event(struct list_head *list, char *str, bool add);
86 int parse_events__modifier_group(struct list_head *list, char *event_mod);
87 int parse_events_name(struct list_head *list, char *name);
88 int parse_events_add_tracepoint(struct list_head *list, int *idx,
89 				char *sys, char *event);
90 int parse_events_add_numeric(struct list_head *list, int *idx,
91 			     u32 type, u64 config,
92 			     struct list_head *head_config);
93 int parse_events_add_cache(struct list_head *list, int *idx,
94 			   char *type, char *op_result1, char *op_result2);
95 int parse_events_add_breakpoint(struct list_head *list, int *idx,
96 				void *ptr, char *type);
97 int parse_events_add_pmu(struct list_head *list, int *idx,
98 			 char *pmu , struct list_head *head_config);
99 void parse_events__set_leader(char *name, struct list_head *list);
100 void parse_events_update_lists(struct list_head *list_event,
101 			       struct list_head *list_all);
102 void parse_events_error(void *data, void *scanner, char const *msg);
103 
104 void print_events(const char *event_glob, bool name_only);
105 void print_events_type(u8 type);
106 void print_tracepoint_events(const char *subsys_glob, const char *event_glob,
107 			     bool name_only);
108 int print_hwcache_events(const char *event_glob, bool name_only);
109 extern int is_valid_tracepoint(const char *event_string);
110 
111 extern int valid_debugfs_mount(const char *debugfs);
112 
113 #endif /* __PERF_PARSE_EVENTS_H */
114