xref: /openbmc/linux/tools/perf/util/parse-events.h (revision c819e2cf)
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 <linux/types.h>
10 #include <linux/perf_event.h>
11 
12 struct list_head;
13 struct perf_evsel;
14 struct perf_evlist;
15 
16 struct option;
17 
18 struct tracepoint_path {
19 	char *system;
20 	char *name;
21 	struct tracepoint_path *next;
22 };
23 
24 extern struct tracepoint_path *tracepoint_id_to_path(u64 config);
25 extern struct tracepoint_path *tracepoint_name_to_path(const char *name);
26 extern bool have_tracepoints(struct list_head *evlist);
27 
28 const char *event_type(int type);
29 
30 extern int parse_events_option(const struct option *opt, const char *str,
31 			       int unset);
32 extern int parse_events(struct perf_evlist *evlist, const char *str);
33 extern int parse_events_terms(struct list_head *terms, const char *str);
34 extern int parse_filter(const struct option *opt, const char *str, int unset);
35 
36 #define EVENTS_HELP_MAX (128*1024)
37 
38 enum perf_pmu_event_symbol_type {
39 	PMU_EVENT_SYMBOL_ERR,		/* not a PMU EVENT */
40 	PMU_EVENT_SYMBOL,		/* normal style PMU event */
41 	PMU_EVENT_SYMBOL_PREFIX,	/* prefix of pre-suf style event */
42 	PMU_EVENT_SYMBOL_SUFFIX,	/* suffix of pre-suf style event */
43 };
44 
45 struct perf_pmu_event_symbol {
46 	char	*symbol;
47 	enum perf_pmu_event_symbol_type	type;
48 };
49 
50 enum {
51 	PARSE_EVENTS__TERM_TYPE_NUM,
52 	PARSE_EVENTS__TERM_TYPE_STR,
53 };
54 
55 enum {
56 	PARSE_EVENTS__TERM_TYPE_USER,
57 	PARSE_EVENTS__TERM_TYPE_CONFIG,
58 	PARSE_EVENTS__TERM_TYPE_CONFIG1,
59 	PARSE_EVENTS__TERM_TYPE_CONFIG2,
60 	PARSE_EVENTS__TERM_TYPE_NAME,
61 	PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD,
62 	PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE,
63 };
64 
65 struct parse_events_term {
66 	char *config;
67 	union {
68 		char *str;
69 		u64  num;
70 	} val;
71 	int type_val;
72 	int type_term;
73 	struct list_head list;
74 	bool used;
75 };
76 
77 struct parse_events_evlist {
78 	struct list_head list;
79 	int idx;
80 	int nr_groups;
81 };
82 
83 struct parse_events_terms {
84 	struct list_head *terms;
85 };
86 
87 int parse_events__is_hardcoded_term(struct parse_events_term *term);
88 int parse_events_term__num(struct parse_events_term **_term,
89 			   int type_term, char *config, u64 num);
90 int parse_events_term__str(struct parse_events_term **_term,
91 			   int type_term, char *config, char *str);
92 int parse_events_term__sym_hw(struct parse_events_term **term,
93 			      char *config, unsigned idx);
94 int parse_events_term__clone(struct parse_events_term **new,
95 			     struct parse_events_term *term);
96 void parse_events__free_terms(struct list_head *terms);
97 int parse_events__modifier_event(struct list_head *list, char *str, bool add);
98 int parse_events__modifier_group(struct list_head *list, char *event_mod);
99 int parse_events_name(struct list_head *list, char *name);
100 int parse_events_add_tracepoint(struct list_head *list, int *idx,
101 				char *sys, char *event);
102 int parse_events_add_numeric(struct list_head *list, int *idx,
103 			     u32 type, u64 config,
104 			     struct list_head *head_config);
105 int parse_events_add_cache(struct list_head *list, int *idx,
106 			   char *type, char *op_result1, char *op_result2);
107 int parse_events_add_breakpoint(struct list_head *list, int *idx,
108 				void *ptr, char *type, u64 len);
109 int parse_events_add_pmu(struct list_head *list, int *idx,
110 			 char *pmu , struct list_head *head_config);
111 enum perf_pmu_event_symbol_type
112 perf_pmu__parse_check(const char *name);
113 void parse_events__set_leader(char *name, struct list_head *list);
114 void parse_events_update_lists(struct list_head *list_event,
115 			       struct list_head *list_all);
116 void parse_events_error(void *data, void *scanner, char const *msg);
117 
118 void print_events(const char *event_glob, bool name_only);
119 void print_events_type(u8 type);
120 void print_tracepoint_events(const char *subsys_glob, const char *event_glob,
121 			     bool name_only);
122 int print_hwcache_events(const char *event_glob, bool name_only);
123 extern int is_valid_tracepoint(const char *event_string);
124 
125 int valid_event_mount(const char *eventfs);
126 
127 #endif /* __PERF_PARSE_EVENTS_H */
128