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Linux kernel mirror (for testing)
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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);
37
38#define EVENTS_HELP_MAX (128*1024)
39
40enum perf_pmu_event_symbol_type {
41 PMU_EVENT_SYMBOL_ERR, /* not a PMU EVENT */
42 PMU_EVENT_SYMBOL, /* normal style PMU event */
43 PMU_EVENT_SYMBOL_PREFIX, /* prefix of pre-suf style event */
44 PMU_EVENT_SYMBOL_SUFFIX, /* suffix of pre-suf style event */
45};
46
47struct perf_pmu_event_symbol {
48 char *symbol;
49 enum perf_pmu_event_symbol_type type;
50};
51
52enum {
53 PARSE_EVENTS__TERM_TYPE_NUM,
54 PARSE_EVENTS__TERM_TYPE_STR,
55};
56
57enum {
58 PARSE_EVENTS__TERM_TYPE_USER,
59 PARSE_EVENTS__TERM_TYPE_CONFIG,
60 PARSE_EVENTS__TERM_TYPE_CONFIG1,
61 PARSE_EVENTS__TERM_TYPE_CONFIG2,
62 PARSE_EVENTS__TERM_TYPE_NAME,
63 PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD,
64 PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE,
65};
66
67struct parse_events_term {
68 char *config;
69 union {
70 char *str;
71 u64 num;
72 } val;
73 int type_val;
74 int type_term;
75 struct list_head list;
76 bool used;
77
78 /* error string indexes for within parsed string */
79 int err_term;
80 int err_val;
81};
82
83struct parse_events_error {
84 int idx; /* index in the parsed string */
85 char *str; /* string to display at the index */
86 char *help; /* optional help string */
87};
88
89struct parse_events_evlist {
90 struct list_head list;
91 int idx;
92 int nr_groups;
93 struct parse_events_error *error;
94};
95
96struct parse_events_terms {
97 struct list_head *terms;
98};
99
100int parse_events__is_hardcoded_term(struct parse_events_term *term);
101int parse_events_term__num(struct parse_events_term **term,
102 int type_term, char *config, u64 num,
103 void *loc_term, void *loc_val);
104int parse_events_term__str(struct parse_events_term **term,
105 int type_term, char *config, char *str,
106 void *loc_term, void *loc_val);
107int parse_events_term__sym_hw(struct parse_events_term **term,
108 char *config, unsigned idx);
109int parse_events_term__clone(struct parse_events_term **new,
110 struct parse_events_term *term);
111void parse_events__free_terms(struct list_head *terms);
112int parse_events__modifier_event(struct list_head *list, char *str, bool add);
113int parse_events__modifier_group(struct list_head *list, char *event_mod);
114int parse_events_name(struct list_head *list, char *name);
115int parse_events_add_tracepoint(struct list_head *list, int *idx,
116 char *sys, char *event);
117int parse_events_add_numeric(struct parse_events_evlist *data,
118 struct list_head *list,
119 u32 type, u64 config,
120 struct list_head *head_config);
121int parse_events_add_cache(struct list_head *list, int *idx,
122 char *type, char *op_result1, char *op_result2);
123int parse_events_add_breakpoint(struct list_head *list, int *idx,
124 void *ptr, char *type, u64 len);
125int parse_events_add_pmu(struct parse_events_evlist *data,
126 struct list_head *list, char *name,
127 struct list_head *head_config);
128enum perf_pmu_event_symbol_type
129perf_pmu__parse_check(const char *name);
130void parse_events__set_leader(char *name, struct list_head *list);
131void parse_events_update_lists(struct list_head *list_event,
132 struct list_head *list_all);
133void parse_events_evlist_error(struct parse_events_evlist *data,
134 int idx, const char *str);
135
136void print_events(const char *event_glob, bool name_only);
137
138struct event_symbol {
139 const char *symbol;
140 const char *alias;
141};
142extern struct event_symbol event_symbols_hw[];
143extern struct event_symbol event_symbols_sw[];
144void print_symbol_events(const char *event_glob, unsigned type,
145 struct event_symbol *syms, unsigned max,
146 bool name_only);
147void print_tracepoint_events(const char *subsys_glob, const char *event_glob,
148 bool name_only);
149int print_hwcache_events(const char *event_glob, bool name_only);
150extern int is_valid_tracepoint(const char *event_string);
151
152int valid_event_mount(const char *eventfs);
153
154#endif /* __PERF_PARSE_EVENTS_H */