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 perf_evsel;
16struct perf_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 perf_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_NR,
80};
81
82struct parse_events_array {
83 size_t nr_ranges;
84 struct {
85 unsigned int start;
86 size_t length;
87 } *ranges;
88};
89
90struct parse_events_term {
91 char *config;
92 struct parse_events_array array;
93 union {
94 char *str;
95 u64 num;
96 } val;
97 int type_val;
98 int type_term;
99 struct list_head list;
100 bool used;
101 bool no_value;
102
103
104 int err_term;
105 int err_val;
106
107
108 bool weak;
109};
110
111struct parse_events_error {
112 int idx;
113 char *str;
114 char *help;
115};
116
117struct parse_events_state {
118 struct list_head list;
119 int idx;
120 int nr_groups;
121 struct parse_events_error *error;
122 struct perf_evlist *evlist;
123 struct list_head *terms;
124};
125
126void parse_events__shrink_config_terms(void);
127int parse_events__is_hardcoded_term(struct parse_events_term *term);
128int parse_events_term__num(struct parse_events_term **term,
129 int type_term, char *config, u64 num,
130 bool novalue,
131 void *loc_term, void *loc_val);
132int parse_events_term__str(struct parse_events_term **term,
133 int type_term, char *config, char *str,
134 void *loc_term, void *loc_val);
135int parse_events_term__sym_hw(struct parse_events_term **term,
136 char *config, unsigned idx);
137int parse_events_term__clone(struct parse_events_term **new,
138 struct parse_events_term *term);
139void parse_events_terms__delete(struct list_head *terms);
140void parse_events_terms__purge(struct list_head *terms);
141void parse_events__clear_array(struct parse_events_array *a);
142int parse_events__modifier_event(struct list_head *list, char *str, bool add);
143int parse_events__modifier_group(struct list_head *list, char *event_mod);
144int parse_events_name(struct list_head *list, char *name);
145int parse_events_add_tracepoint(struct list_head *list, int *idx,
146 const char *sys, const char *event,
147 struct parse_events_error *error,
148 struct list_head *head_config);
149int parse_events_load_bpf(struct parse_events_state *parse_state,
150 struct list_head *list,
151 char *bpf_file_name,
152 bool source,
153 struct list_head *head_config);
154
155struct bpf_object;
156int parse_events_load_bpf_obj(struct parse_events_state *parse_state,
157 struct list_head *list,
158 struct bpf_object *obj,
159 struct list_head *head_config);
160int parse_events_add_numeric(struct parse_events_state *parse_state,
161 struct list_head *list,
162 u32 type, u64 config,
163 struct list_head *head_config);
164enum perf_tool_event;
165int parse_events_add_tool(struct parse_events_state *parse_state,
166 struct list_head *list,
167 enum perf_tool_event tool_event);
168int parse_events_add_cache(struct list_head *list, int *idx,
169 char *type, char *op_result1, char *op_result2,
170 struct parse_events_error *error,
171 struct list_head *head_config);
172int parse_events_add_breakpoint(struct list_head *list, int *idx,
173 void *ptr, char *type, u64 len);
174int parse_events_add_pmu(struct parse_events_state *parse_state,
175 struct list_head *list, char *name,
176 struct list_head *head_config,
177 bool auto_merge_stats,
178 bool use_alias);
179
180int parse_events_multi_pmu_add(struct parse_events_state *parse_state,
181 char *str,
182 struct list_head **listp);
183
184int parse_events_copy_term_list(struct list_head *old,
185 struct list_head **new);
186
187enum perf_pmu_event_symbol_type
188perf_pmu__parse_check(const char *name);
189void parse_events__set_leader(char *name, struct list_head *list,
190 struct parse_events_state *parse_state);
191void parse_events_update_lists(struct list_head *list_event,
192 struct list_head *list_all);
193void parse_events_evlist_error(struct parse_events_state *parse_state,
194 int idx, const char *str);
195
196void print_events(const char *event_glob, bool name_only, bool quiet,
197 bool long_desc, bool details_flag);
198
199struct event_symbol {
200 const char *symbol;
201 const char *alias;
202};
203extern struct event_symbol event_symbols_hw[];
204extern struct event_symbol event_symbols_sw[];
205void print_symbol_events(const char *event_glob, unsigned type,
206 struct event_symbol *syms, unsigned max,
207 bool name_only);
208void print_tool_events(const char *event_glob, bool name_only);
209void print_tracepoint_events(const char *subsys_glob, const char *event_glob,
210 bool name_only);
211int print_hwcache_events(const char *event_glob, bool name_only);
212void print_sdt_events(const char *subsys_glob, const char *event_glob,
213 bool name_only);
214int is_valid_tracepoint(const char *event_string);
215
216int valid_event_mount(const char *eventfs);
217char *parse_events_formats_error_string(char *additional_terms);
218
219void parse_events_print_error(struct parse_events_error *err,
220 const char *event);
221
222#ifdef HAVE_LIBELF_SUPPORT
223
224
225
226
227
228static inline bool is_sdt_event(char *str)
229{
230 return (str[0] == '%' ||
231 (!strncmp(str, "sdt_", 4) &&
232 !!strchr(str, ':') && !strchr(str, '=')));
233}
234#else
235static inline bool is_sdt_event(char *str __maybe_unused)
236{
237 return false;
238}
239#endif
240
241#endif
242
