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 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_BRANCH_SAMPLE_TYPE, 65 }; 66 67 struct parse_events_term { 68 char *config; 69 union { 70 char *str; 71 u64 num; 72 } val; 73 int type_val; 74 int type_term; 75 struct list_head list; 76 bool used; 77 78 /* error string indexes for within parsed string */ 79 int err_term; 80 int err_val; 81 }; 82 83 struct parse_events_error { 84 int idx; /* index in the parsed string */ 85 char *str; /* string to display at the index */ 86 char *help; /* optional help string */ 87 }; 88 89 struct parse_events_evlist { 90 struct list_head list; 91 int idx; 92 int nr_groups; 93 struct parse_events_error *error; 94 }; 95 96 struct parse_events_terms { 97 struct list_head *terms; 98 }; 99 100 int parse_events__is_hardcoded_term(struct parse_events_term *term); 101 int parse_events_term__num(struct parse_events_term **term, 102 int type_term, char *config, u64 num, 103 void *loc_term, void *loc_val); 104 int parse_events_term__str(struct parse_events_term **term, 105 int type_term, char *config, char *str, 106 void *loc_term, void *loc_val); 107 int parse_events_term__sym_hw(struct parse_events_term **term, 108 char *config, unsigned idx); 109 int parse_events_term__clone(struct parse_events_term **new, 110 struct parse_events_term *term); 111 void parse_events__free_terms(struct list_head *terms); 112 int parse_events__modifier_event(struct list_head *list, char *str, bool add); 113 int parse_events__modifier_group(struct list_head *list, char *event_mod); 114 int parse_events_name(struct list_head *list, char *name); 115 int parse_events_add_tracepoint(struct list_head *list, int *idx, 116 char *sys, char *event); 117 int parse_events_add_numeric(struct parse_events_evlist *data, 118 struct list_head *list, 119 u32 type, u64 config, 120 struct list_head *head_config); 121 int parse_events_add_cache(struct list_head *list, int *idx, 122 char *type, char *op_result1, char *op_result2); 123 int parse_events_add_breakpoint(struct list_head *list, int *idx, 124 void *ptr, char *type, u64 len); 125 int parse_events_add_pmu(struct parse_events_evlist *data, 126 struct list_head *list, char *name, 127 struct list_head *head_config); 128 enum perf_pmu_event_symbol_type 129 perf_pmu__parse_check(const char *name); 130 void parse_events__set_leader(char *name, struct list_head *list); 131 void parse_events_update_lists(struct list_head *list_event, 132 struct list_head *list_all); 133 void parse_events_evlist_error(struct parse_events_evlist *data, 134 int idx, const char *str); 135 136 void print_events(const char *event_glob, bool name_only); 137 138 struct event_symbol { 139 const char *symbol; 140 const char *alias; 141 }; 142 extern struct event_symbol event_symbols_hw[]; 143 extern struct event_symbol event_symbols_sw[]; 144 void print_symbol_events(const char *event_glob, unsigned type, 145 struct event_symbol *syms, unsigned max, 146 bool name_only); 147 void print_tracepoint_events(const char *subsys_glob, const char *event_glob, 148 bool name_only); 149 int print_hwcache_events(const char *event_glob, bool name_only); 150 extern int is_valid_tracepoint(const char *event_string); 151 152 int valid_event_mount(const char *eventfs); 153 154 #endif /* __PERF_PARSE_EVENTS_H */ 155