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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
12struct list_head;
13struct perf_evsel;
14struct perf_evlist;
15struct parse_events_error;
16
17struct option;
18
19struct tracepoint_path {
20 char *system;
21 char *name;
22 struct tracepoint_path *next;
23};
24
25extern struct tracepoint_path *tracepoint_id_to_path(u64 config);
26extern struct tracepoint_path *tracepoint_name_to_path(const char *name);
27extern bool have_tracepoints(struct list_head *evlist);
28
29const char *event_type(int type);
30
31extern int parse_events_option(const struct option *opt, const char *str,
32 int unset);
33extern int parse_events(struct perf_evlist *evlist, const char *str,
34 struct parse_events_error *error);
35extern int parse_events_terms(struct list_head *terms, const char *str);
36extern int parse_filter(const struct option *opt, const char *str, int unset);
37extern int exclude_perf(const struct option *opt, const char *arg, int unset);
38
39#define EVENTS_HELP_MAX (128*1024)
40
41enum perf_pmu_event_symbol_type {
42 PMU_EVENT_SYMBOL_ERR, /* not a PMU EVENT */
43 PMU_EVENT_SYMBOL, /* normal style PMU event */
44 PMU_EVENT_SYMBOL_PREFIX, /* prefix of pre-suf style event */
45 PMU_EVENT_SYMBOL_SUFFIX, /* suffix of pre-suf style event */
46};
47
48struct perf_pmu_event_symbol {
49 char *symbol;
50 enum perf_pmu_event_symbol_type type;
51};
52
53enum {
54 PARSE_EVENTS__TERM_TYPE_NUM,
55 PARSE_EVENTS__TERM_TYPE_STR,
56};
57
58enum {
59 PARSE_EVENTS__TERM_TYPE_USER,
60 PARSE_EVENTS__TERM_TYPE_CONFIG,
61 PARSE_EVENTS__TERM_TYPE_CONFIG1,
62 PARSE_EVENTS__TERM_TYPE_CONFIG2,
63 PARSE_EVENTS__TERM_TYPE_NAME,
64 PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD,
65 PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ,
66 PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE,
67 PARSE_EVENTS__TERM_TYPE_TIME,
68 PARSE_EVENTS__TERM_TYPE_CALLGRAPH,
69 PARSE_EVENTS__TERM_TYPE_STACKSIZE,
70 PARSE_EVENTS__TERM_TYPE_NOINHERIT,
71 PARSE_EVENTS__TERM_TYPE_INHERIT
72};
73
74struct parse_events_term {
75 char *config;
76 union {
77 char *str;
78 u64 num;
79 } val;
80 int type_val;
81 int type_term;
82 struct list_head list;
83 bool used;
84
85 /* error string indexes for within parsed string */
86 int err_term;
87 int err_val;
88};
89
90struct parse_events_error {
91 int idx; /* index in the parsed string */
92 char *str; /* string to display at the index */
93 char *help; /* optional help string */
94};
95
96struct parse_events_evlist {
97 struct list_head list;
98 int idx;
99 int nr_groups;
100 struct parse_events_error *error;
101};
102
103struct parse_events_terms {
104 struct list_head *terms;
105};
106
107int parse_events__is_hardcoded_term(struct parse_events_term *term);
108int parse_events_term__num(struct parse_events_term **term,
109 int type_term, char *config, u64 num,
110 void *loc_term, void *loc_val);
111int parse_events_term__str(struct parse_events_term **term,
112 int type_term, char *config, char *str,
113 void *loc_term, void *loc_val);
114int parse_events_term__sym_hw(struct parse_events_term **term,
115 char *config, unsigned idx);
116int parse_events_term__clone(struct parse_events_term **new,
117 struct parse_events_term *term);
118void parse_events__free_terms(struct list_head *terms);
119int parse_events__modifier_event(struct list_head *list, char *str, bool add);
120int parse_events__modifier_group(struct list_head *list, char *event_mod);
121int parse_events_name(struct list_head *list, char *name);
122int parse_events_add_tracepoint(struct list_head *list, int *idx,
123 char *sys, char *event,
124 struct parse_events_error *error,
125 struct list_head *head_config);
126int parse_events_load_bpf(struct parse_events_evlist *data,
127 struct list_head *list,
128 char *bpf_file_name,
129 bool source);
130/* Provide this function for perf test */
131struct bpf_object;
132int parse_events_load_bpf_obj(struct parse_events_evlist *data,
133 struct list_head *list,
134 struct bpf_object *obj);
135int parse_events_add_numeric(struct parse_events_evlist *data,
136 struct list_head *list,
137 u32 type, u64 config,
138 struct list_head *head_config);
139int parse_events_add_cache(struct list_head *list, int *idx,
140 char *type, char *op_result1, char *op_result2);
141int parse_events_add_breakpoint(struct list_head *list, int *idx,
142 void *ptr, char *type, u64 len);
143int parse_events_add_pmu(struct parse_events_evlist *data,
144 struct list_head *list, char *name,
145 struct list_head *head_config);
146enum perf_pmu_event_symbol_type
147perf_pmu__parse_check(const char *name);
148void parse_events__set_leader(char *name, struct list_head *list);
149void parse_events_update_lists(struct list_head *list_event,
150 struct list_head *list_all);
151void parse_events_evlist_error(struct parse_events_evlist *data,
152 int idx, const char *str);
153
154void print_events(const char *event_glob, bool name_only);
155
156struct event_symbol {
157 const char *symbol;
158 const char *alias;
159};
160extern struct event_symbol event_symbols_hw[];
161extern struct event_symbol event_symbols_sw[];
162void print_symbol_events(const char *event_glob, unsigned type,
163 struct event_symbol *syms, unsigned max,
164 bool name_only);
165void print_tracepoint_events(const char *subsys_glob, const char *event_glob,
166 bool name_only);
167int print_hwcache_events(const char *event_glob, bool name_only);
168extern int is_valid_tracepoint(const char *event_string);
169
170int valid_event_mount(const char *eventfs);
171char *parse_events_formats_error_string(char *additional_terms);
172
173#endif /* __PERF_PARSE_EVENTS_H */