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 struct tracepoint_path *tracepoint_id_to_path(u64 config); 26 struct tracepoint_path *tracepoint_name_to_path(const char *name); 27 bool have_tracepoints(struct list_head *evlist); 28 29 const char *event_type(int type); 30 31 int parse_events_option(const struct option *opt, const char *str, int unset); 32 int parse_events(struct perf_evlist *evlist, const char *str, 33 struct parse_events_error *error); 34 int parse_events_terms(struct list_head *terms, const char *str); 35 int parse_filter(const struct option *opt, const char *str, int unset); 36 int exclude_perf(const struct option *opt, const char *arg, int unset); 37 38 #define EVENTS_HELP_MAX (128*1024) 39 40 enum 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 47 struct perf_pmu_event_symbol { 48 char *symbol; 49 enum perf_pmu_event_symbol_type type; 50 }; 51 52 enum { 53 PARSE_EVENTS__TERM_TYPE_NUM, 54 PARSE_EVENTS__TERM_TYPE_STR, 55 }; 56 57 enum { 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_SAMPLE_FREQ, 65 PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE, 66 PARSE_EVENTS__TERM_TYPE_TIME, 67 PARSE_EVENTS__TERM_TYPE_CALLGRAPH, 68 PARSE_EVENTS__TERM_TYPE_STACKSIZE, 69 PARSE_EVENTS__TERM_TYPE_NOINHERIT, 70 PARSE_EVENTS__TERM_TYPE_INHERIT, 71 PARSE_EVENTS__TERM_TYPE_MAX_STACK, 72 PARSE_EVENTS__TERM_TYPE_NOOVERWRITE, 73 PARSE_EVENTS__TERM_TYPE_OVERWRITE, 74 __PARSE_EVENTS__TERM_TYPE_NR, 75 }; 76 77 struct parse_events_array { 78 size_t nr_ranges; 79 struct { 80 unsigned int start; 81 size_t length; 82 } *ranges; 83 }; 84 85 struct parse_events_term { 86 char *config; 87 struct parse_events_array array; 88 union { 89 char *str; 90 u64 num; 91 } val; 92 int type_val; 93 int type_term; 94 struct list_head list; 95 bool used; 96 97 /* error string indexes for within parsed string */ 98 int err_term; 99 int err_val; 100 }; 101 102 struct parse_events_error { 103 int idx; /* index in the parsed string */ 104 char *str; /* string to display at the index */ 105 char *help; /* optional help string */ 106 }; 107 108 struct parse_events_evlist { 109 struct list_head list; 110 int idx; 111 int nr_groups; 112 struct parse_events_error *error; 113 struct perf_evlist *evlist; 114 }; 115 116 struct parse_events_terms { 117 struct list_head *terms; 118 }; 119 120 void parse_events__shrink_config_terms(void); 121 int parse_events__is_hardcoded_term(struct parse_events_term *term); 122 int parse_events_term__num(struct parse_events_term **term, 123 int type_term, char *config, u64 num, 124 void *loc_term, void *loc_val); 125 int parse_events_term__str(struct parse_events_term **term, 126 int type_term, char *config, char *str, 127 void *loc_term, void *loc_val); 128 int parse_events_term__sym_hw(struct parse_events_term **term, 129 char *config, unsigned idx); 130 int parse_events_term__clone(struct parse_events_term **new, 131 struct parse_events_term *term); 132 void parse_events_terms__delete(struct list_head *terms); 133 void parse_events_terms__purge(struct list_head *terms); 134 void parse_events__clear_array(struct parse_events_array *a); 135 int parse_events__modifier_event(struct list_head *list, char *str, bool add); 136 int parse_events__modifier_group(struct list_head *list, char *event_mod); 137 int parse_events_name(struct list_head *list, char *name); 138 int parse_events_add_tracepoint(struct list_head *list, int *idx, 139 const char *sys, const char *event, 140 struct parse_events_error *error, 141 struct list_head *head_config); 142 int parse_events_load_bpf(struct parse_events_evlist *data, 143 struct list_head *list, 144 char *bpf_file_name, 145 bool source, 146 struct list_head *head_config); 147 /* Provide this function for perf test */ 148 struct bpf_object; 149 int parse_events_load_bpf_obj(struct parse_events_evlist *data, 150 struct list_head *list, 151 struct bpf_object *obj, 152 struct list_head *head_config); 153 int parse_events_add_numeric(struct parse_events_evlist *data, 154 struct list_head *list, 155 u32 type, u64 config, 156 struct list_head *head_config); 157 int parse_events_add_cache(struct list_head *list, int *idx, 158 char *type, char *op_result1, char *op_result2, 159 struct parse_events_error *error, 160 struct list_head *head_config); 161 int parse_events_add_breakpoint(struct list_head *list, int *idx, 162 void *ptr, char *type, u64 len); 163 int parse_events_add_pmu(struct parse_events_evlist *data, 164 struct list_head *list, char *name, 165 struct list_head *head_config); 166 enum perf_pmu_event_symbol_type 167 perf_pmu__parse_check(const char *name); 168 void parse_events__set_leader(char *name, struct list_head *list); 169 void parse_events_update_lists(struct list_head *list_event, 170 struct list_head *list_all); 171 void parse_events_evlist_error(struct parse_events_evlist *data, 172 int idx, const char *str); 173 174 void print_events(const char *event_glob, bool name_only); 175 176 struct event_symbol { 177 const char *symbol; 178 const char *alias; 179 }; 180 extern struct event_symbol event_symbols_hw[]; 181 extern struct event_symbol event_symbols_sw[]; 182 void print_symbol_events(const char *event_glob, unsigned type, 183 struct event_symbol *syms, unsigned max, 184 bool name_only); 185 void print_tracepoint_events(const char *subsys_glob, const char *event_glob, 186 bool name_only); 187 int print_hwcache_events(const char *event_glob, bool name_only); 188 void print_sdt_events(const char *subsys_glob, const char *event_glob, 189 bool name_only); 190 int is_valid_tracepoint(const char *event_string); 191 192 int valid_event_mount(const char *eventfs); 193 char *parse_events_formats_error_string(char *additional_terms); 194 195 #endif /* __PERF_PARSE_EVENTS_H */ 196