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 }; 73 74 struct parse_events_term { 75 char *config; 76 union { 77 char *str; 78 u64 num; 79 } val; 80 int type_val; 81 int type_term; 82 struct list_head list; 83 bool used; 84 85 /* error string indexes for within parsed string */ 86 int err_term; 87 int err_val; 88 }; 89 90 struct parse_events_error { 91 int idx; /* index in the parsed string */ 92 char *str; /* string to display at the index */ 93 char *help; /* optional help string */ 94 }; 95 96 struct parse_events_evlist { 97 struct list_head list; 98 int idx; 99 int nr_groups; 100 struct parse_events_error *error; 101 }; 102 103 struct parse_events_terms { 104 struct list_head *terms; 105 }; 106 107 int parse_events__is_hardcoded_term(struct parse_events_term *term); 108 int parse_events_term__num(struct parse_events_term **term, 109 int type_term, char *config, u64 num, 110 void *loc_term, void *loc_val); 111 int parse_events_term__str(struct parse_events_term **term, 112 int type_term, char *config, char *str, 113 void *loc_term, void *loc_val); 114 int parse_events_term__sym_hw(struct parse_events_term **term, 115 char *config, unsigned idx); 116 int parse_events_term__clone(struct parse_events_term **new, 117 struct parse_events_term *term); 118 void parse_events__free_terms(struct list_head *terms); 119 int parse_events__modifier_event(struct list_head *list, char *str, bool add); 120 int parse_events__modifier_group(struct list_head *list, char *event_mod); 121 int parse_events_name(struct list_head *list, char *name); 122 int parse_events_add_tracepoint(struct list_head *list, int *idx, 123 char *sys, char *event, 124 struct parse_events_error *error, 125 struct list_head *head_config); 126 int parse_events_load_bpf(struct parse_events_evlist *data, 127 struct list_head *list, 128 char *bpf_file_name, 129 bool source); 130 /* Provide this function for perf test */ 131 struct bpf_object; 132 int parse_events_load_bpf_obj(struct parse_events_evlist *data, 133 struct list_head *list, 134 struct bpf_object *obj); 135 int parse_events_add_numeric(struct parse_events_evlist *data, 136 struct list_head *list, 137 u32 type, u64 config, 138 struct list_head *head_config); 139 int parse_events_add_cache(struct list_head *list, int *idx, 140 char *type, char *op_result1, char *op_result2); 141 int parse_events_add_breakpoint(struct list_head *list, int *idx, 142 void *ptr, char *type, u64 len); 143 int parse_events_add_pmu(struct parse_events_evlist *data, 144 struct list_head *list, char *name, 145 struct list_head *head_config); 146 enum perf_pmu_event_symbol_type 147 perf_pmu__parse_check(const char *name); 148 void parse_events__set_leader(char *name, struct list_head *list); 149 void parse_events_update_lists(struct list_head *list_event, 150 struct list_head *list_all); 151 void parse_events_evlist_error(struct parse_events_evlist *data, 152 int idx, const char *str); 153 154 void print_events(const char *event_glob, bool name_only); 155 156 struct event_symbol { 157 const char *symbol; 158 const char *alias; 159 }; 160 extern struct event_symbol event_symbols_hw[]; 161 extern struct event_symbol event_symbols_sw[]; 162 void print_symbol_events(const char *event_glob, unsigned type, 163 struct event_symbol *syms, unsigned max, 164 bool name_only); 165 void print_tracepoint_events(const char *subsys_glob, const char *event_glob, 166 bool name_only); 167 int print_hwcache_events(const char *event_glob, bool name_only); 168 extern int is_valid_tracepoint(const char *event_string); 169 170 int valid_event_mount(const char *eventfs); 171 char *parse_events_formats_error_string(char *additional_terms); 172 173 #endif /* __PERF_PARSE_EVENTS_H */ 174