1
2#ifndef __PERF_PARSE_EVENTS_H
3#define __PERF_PARSE_EVENTS_H
4
5
6
7
8#include <linux/list.h>
9#include <stdbool.h>
10#include <linux/types.h>
11#include <linux/perf_event.h>
12#include <string.h>
13
14struct list_head;
15struct evsel;
16struct evlist;
17struct parse_events_error;
18
19struct option;
20
21struct tracepoint_path {
22 char *system;
23 char *name;
24 struct tracepoint_path *next;
25};
26
27struct tracepoint_path *tracepoint_id_to_path(u64 config);
28struct tracepoint_path *tracepoint_name_to_path(const char *name);
29bool have_tracepoints(struct list_head *evlist);
30
31const char *event_type(int type);
32
33int parse_events_option(const struct option *opt, const char *str, int unset);
34int parse_events(struct evlist *evlist, const char *str,
35 struct parse_events_error *error);
36int parse_events_terms(struct list_head *terms, const char *str);
37int parse_filter(const struct option *opt, const char *str, int unset);
38int exclude_perf(const struct option *opt, const char *arg, int unset);
39
40#define EVENTS_HELP_MAX (128*1024)
41
42enum perf_pmu_event_symbol_type {
43 PMU_EVENT_SYMBOL_ERR,
44 PMU_EVENT_SYMBOL,
45 PMU_EVENT_SYMBOL_PREFIX,
46 PMU_EVENT_SYMBOL_SUFFIX,
47};
48
49struct perf_pmu_event_symbol {
50 char *symbol;
51 enum perf_pmu_event_symbol_type type;
52};
53
54enum {
55 PARSE_EVENTS__TERM_TYPE_NUM,
56 PARSE_EVENTS__TERM_TYPE_STR,
57};
58
59enum {
60 PARSE_EVENTS__TERM_TYPE_USER,
61 PARSE_EVENTS__TERM_TYPE_CONFIG,
62 PARSE_EVENTS__TERM_TYPE_CONFIG1,
63 PARSE_EVENTS__TERM_TYPE_CONFIG2,
64 PARSE_EVENTS__TERM_TYPE_NAME,
65 PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD,
66 PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ,
67 PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE,
68 PARSE_EVENTS__TERM_TYPE_TIME,
69 PARSE_EVENTS__TERM_TYPE_CALLGRAPH,
70 PARSE_EVENTS__TERM_TYPE_STACKSIZE,
71 PARSE_EVENTS__TERM_TYPE_NOINHERIT,
72 PARSE_EVENTS__TERM_TYPE_INHERIT,
73 PARSE_EVENTS__TERM_TYPE_MAX_STACK,
74 PARSE_EVENTS__TERM_TYPE_MAX_EVENTS,
75 PARSE_EVENTS__TERM_TYPE_NOOVERWRITE,
76 PARSE_EVENTS__TERM_TYPE_OVERWRITE,
77 PARSE_EVENTS__TERM_TYPE_DRV_CFG,
78 PARSE_EVENTS__TERM_TYPE_PERCORE,
79 PARSE_EVENTS__TERM_TYPE_AUX_OUTPUT,
80 PARSE_EVENTS__TERM_TYPE_AUX_SAMPLE_SIZE,
81 __PARSE_EVENTS__TERM_TYPE_NR,
82};
83
84struct parse_events_array {
85 size_t nr_ranges;
86 struct {
87 unsigned int start;
88 size_t length;
89 } *ranges;
90};
91
92struct parse_events_term {
93 char *config;
94 struct parse_events_array array;
95 union {
96 char *str;
97 u64 num;
98 } val;
99 int type_val;
100 int type_term;
101 struct list_head list;
102 bool used;
103 bool no_value;
104
105
106 int err_term;
107 int err_val;
108
109
110 bool weak;
111};
112
113struct parse_events_error {
114 int num_errors;
115 int idx;
116 char *str;
117 char *help;
118 int first_idx;
119 char *first_str;
120 char *first_help;
121};
122
123struct parse_events_state {
124 struct list_head list;
125 int idx;
126 int nr_groups;
127 struct parse_events_error *error;
128 struct evlist *evlist;
129 struct list_head *terms;
130};
131
132void parse_events__handle_error(struct parse_events_error *err, int idx,
133 char *str, char *help);
134void parse_events__shrink_config_terms(void);
135int parse_events__is_hardcoded_term(struct parse_events_term *term);
136int parse_events_term__num(struct parse_events_term **term,
137 int type_term, char *config, u64 num,
138 bool novalue,
139 void *loc_term, void *loc_val);
140int parse_events_term__str(struct parse_events_term **term,
141 int type_term, char *config, char *str,
142 void *loc_term, void *loc_val);
143int parse_events_term__sym_hw(struct parse_events_term **term,
144 char *config, unsigned idx);
145int parse_events_term__clone(struct parse_events_term **new,
146 struct parse_events_term *term);
147void parse_events_term__delete(struct parse_events_term *term);
148void parse_events_terms__delete(struct list_head *terms);
149void parse_events_terms__purge(struct list_head *terms);
150void parse_events__clear_array(struct parse_events_array *a);
151int parse_events__modifier_event(struct list_head *list, char *str, bool add);
152int parse_events__modifier_group(struct list_head *list, char *event_mod);
153int parse_events_name(struct list_head *list, char *name);
154int parse_events_add_tracepoint(struct list_head *list, int *idx,
155 const char *sys, const char *event,
156 struct parse_events_error *error,
157 struct list_head *head_config);
158int parse_events_load_bpf(struct parse_events_state *parse_state,
159 struct list_head *list,
160 char *bpf_file_name,
161 bool source,
162 struct list_head *head_config);
163
164struct bpf_object;
165int parse_events_load_bpf_obj(struct parse_events_state *parse_state,
166 struct list_head *list,
167 struct bpf_object *obj,
168 struct list_head *head_config);
169int parse_events_add_numeric(struct parse_events_state *parse_state,
170 struct list_head *list,
171 u32 type, u64 config,
172 struct list_head *head_config);
173enum perf_tool_event;
174int parse_events_add_tool(struct parse_events_state *parse_state,
175 struct list_head *list,
176 enum perf_tool_event tool_event);
177int parse_events_add_cache(struct list_head *list, int *idx,
178 char *type, char *op_result1, char *op_result2,
179 struct parse_events_error *error,
180 struct list_head *head_config);
181int parse_events_add_breakpoint(struct list_head *list, int *idx,
182 void *ptr, char *type, u64 len);
183int parse_events_add_pmu(struct parse_events_state *parse_state,
184 struct list_head *list, char *name,
185 struct list_head *head_config,
186 bool auto_merge_stats,
187 bool use_alias);
188
189int parse_events_multi_pmu_add(struct parse_events_state *parse_state,
190 char *str,
191 struct list_head **listp);
192
193int parse_events_copy_term_list(struct list_head *old,
194 struct list_head **new);
195
196enum perf_pmu_event_symbol_type
197perf_pmu__parse_check(const char *name);
198void parse_events__set_leader(char *name, struct list_head *list,
199 struct parse_events_state *parse_state);
200void parse_events_update_lists(struct list_head *list_event,
201 struct list_head *list_all);
202void parse_events_evlist_error(struct parse_events_state *parse_state,
203 int idx, const char *str);
204
205void print_events(const char *event_glob, bool name_only, bool quiet,
206 bool long_desc, bool details_flag, bool deprecated);
207
208struct event_symbol {
209 const char *symbol;
210 const char *alias;
211};
212extern struct event_symbol event_symbols_hw[];
213extern struct event_symbol event_symbols_sw[];
214void print_symbol_events(const char *event_glob, unsigned type,
215 struct event_symbol *syms, unsigned max,
216 bool name_only);
217void print_tool_events(const char *event_glob, bool name_only);
218void print_tracepoint_events(const char *subsys_glob, const char *event_glob,
219 bool name_only);
220int print_hwcache_events(const char *event_glob, bool name_only);
221void print_sdt_events(const char *subsys_glob, const char *event_glob,
222 bool name_only);
223int is_valid_tracepoint(const char *event_string);
224
225int valid_event_mount(const char *eventfs);
226char *parse_events_formats_error_string(char *additional_terms);
227
228void parse_events_print_error(struct parse_events_error *err,
229 const char *event);
230
231#ifdef HAVE_LIBELF_SUPPORT
232
233
234
235
236
237static inline bool is_sdt_event(char *str)
238{
239 return (str[0] == '%' ||
240 (!strncmp(str, "sdt_", 4) &&
241 !!strchr(str, ':') && !strchr(str, '=')));
242}
243#else
244static inline bool is_sdt_event(char *str __maybe_unused)
245{
246 return false;
247}
248#endif
249
250#endif
251
