tools/perf/util/parse-events.h

   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 */