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 struct parse_events_error; 16 17 struct option; 18 19 struct tracepoint_path { 20 char *system; 21 char *name; 22 struct tracepoint_path *next; 23 }; 24 25 extern struct tracepoint_path *tracepoint_id_to_path(u64 config); 26 extern struct tracepoint_path *tracepoint_name_to_path(const char *name); 27 extern bool have_tracepoints(struct list_head *evlist); 28 29 const char *event_type(int type); 30 31 extern int parse_events_option(const struct option *opt, const char *str, 32 int unset); 33 extern int parse_events(struct perf_evlist *evlist, const char *str, 34 struct parse_events_error *error); 35 extern int parse_events_terms(struct list_head *terms, const char *str); 36 extern int parse_filter(const struct option *opt, const char *str, int unset); 37 extern int exclude_perf(const struct option *opt, const char *arg, int unset); 38 39 #define EVENTS_HELP_MAX (128*1024) 40 41 enum 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 48 struct perf_pmu_event_symbol { 49 char *symbol; 50 enum perf_pmu_event_symbol_type type; 51 }; 52 53 enum { 54 PARSE_EVENTS__TERM_TYPE_NUM, 55 PARSE_EVENTS__TERM_TYPE_STR, 56 }; 57 58 enum { 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 __PARSE_EVENTS__TERM_TYPE_NR, 73 }; 74 75 struct parse_events_array { 76 size_t nr_ranges; 77 struct { 78 unsigned int start; 79 size_t length; 80 } *ranges; 81 }; 82 83 struct parse_events_term { 84 char *config; 85 struct parse_events_array array; 86 union { 87 char *str; 88 u64 num; 89 } val; 90 int type_val; 91 int type_term; 92 struct list_head list; 93 bool used; 94 95 /* error string indexes for within parsed string */ 96 int err_term; 97 int err_val; 98 }; 99 100 struct parse_events_error { 101 int idx; /* index in the parsed string */ 102 char *str; /* string to display at the index */ 103 char *help; /* optional help string */ 104 }; 105 106 struct parse_events_evlist { 107 struct list_head list; 108 int idx; 109 int nr_groups; 110 struct parse_events_error *error; 111 struct perf_evlist *evlist; 112 }; 113 114 struct parse_events_terms { 115 struct list_head *terms; 116 }; 117 118 void parse_events__shrink_config_terms(void); 119 int parse_events__is_hardcoded_term(struct parse_events_term *term); 120 int parse_events_term__num(struct parse_events_term **term, 121 int type_term, char *config, u64 num, 122 void *loc_term, void *loc_val); 123 int parse_events_term__str(struct parse_events_term **term, 124 int type_term, char *config, char *str, 125 void *loc_term, void *loc_val); 126 int parse_events_term__sym_hw(struct parse_events_term **term, 127 char *config, unsigned idx); 128 int parse_events_term__clone(struct parse_events_term **new, 129 struct parse_events_term *term); 130 void parse_events_terms__delete(struct list_head *terms); 131 void parse_events_terms__purge(struct list_head *terms); 132 void parse_events__clear_array(struct parse_events_array *a); 133 int parse_events__modifier_event(struct list_head *list, char *str, bool add); 134 int parse_events__modifier_group(struct list_head *list, char *event_mod); 135 int parse_events_name(struct list_head *list, char *name); 136 int parse_events_add_tracepoint(struct list_head *list, int *idx, 137 char *sys, char *event, 138 struct parse_events_error *error, 139 struct list_head *head_config); 140 int parse_events_load_bpf(struct parse_events_evlist *data, 141 struct list_head *list, 142 char *bpf_file_name, 143 bool source, 144 struct list_head *head_config); 145 /* Provide this function for perf test */ 146 struct bpf_object; 147 int parse_events_load_bpf_obj(struct parse_events_evlist *data, 148 struct list_head *list, 149 struct bpf_object *obj, 150 struct list_head *head_config); 151 int parse_events_add_numeric(struct parse_events_evlist *data, 152 struct list_head *list, 153 u32 type, u64 config, 154 struct list_head *head_config); 155 int parse_events_add_cache(struct list_head *list, int *idx, 156 char *type, char *op_result1, char *op_result2, 157 struct parse_events_error *error, 158 struct list_head *head_config); 159 int parse_events_add_breakpoint(struct list_head *list, int *idx, 160 void *ptr, char *type, u64 len); 161 int parse_events_add_pmu(struct parse_events_evlist *data, 162 struct list_head *list, char *name, 163 struct list_head *head_config); 164 enum perf_pmu_event_symbol_type 165 perf_pmu__parse_check(const char *name); 166 void parse_events__set_leader(char *name, struct list_head *list); 167 void parse_events_update_lists(struct list_head *list_event, 168 struct list_head *list_all); 169 void parse_events_evlist_error(struct parse_events_evlist *data, 170 int idx, const char *str); 171 172 void print_events(const char *event_glob, bool name_only); 173 174 struct event_symbol { 175 const char *symbol; 176 const char *alias; 177 }; 178 extern struct event_symbol event_symbols_hw[]; 179 extern struct event_symbol event_symbols_sw[]; 180 void print_symbol_events(const char *event_glob, unsigned type, 181 struct event_symbol *syms, unsigned max, 182 bool name_only); 183 void print_tracepoint_events(const char *subsys_glob, const char *event_glob, 184 bool name_only); 185 int print_hwcache_events(const char *event_glob, bool name_only); 186 extern int is_valid_tracepoint(const char *event_string); 187 188 int valid_event_mount(const char *eventfs); 189 char *parse_events_formats_error_string(char *additional_terms); 190 191 #endif /* __PERF_PARSE_EVENTS_H */ 192