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
  16 struct option;
  17
  18 struct tracepoint_path {
  19         char *system;
  20         char *name;
  21         struct tracepoint_path *next;
  22 };
  23
  24 extern struct tracepoint_path *tracepoint_id_to_path(u64 config);
  25 extern struct tracepoint_path *tracepoint_name_to_path(const char *name);
  26 extern bool have_tracepoints(struct list_head *evlist);
  27
  28 const char *event_type(int type);
  29
  30 extern int parse_events_option(const struct option *opt, const char *str,
  31                                int unset);
  32 extern int parse_events(struct perf_evlist *evlist, const char *str);
  33 extern int parse_events_terms(struct list_head *terms, const char *str);
  34 extern int parse_filter(const struct option *opt, const char *str, int unset);
  35
  36 #define EVENTS_HELP_MAX (128*1024)
  37
  38 enum {
  39         PARSE_EVENTS__TERM_TYPE_NUM,
  40         PARSE_EVENTS__TERM_TYPE_STR,
  41 };
  42
  43 enum {
  44         PARSE_EVENTS__TERM_TYPE_USER,
  45         PARSE_EVENTS__TERM_TYPE_CONFIG,
  46         PARSE_EVENTS__TERM_TYPE_CONFIG1,
  47         PARSE_EVENTS__TERM_TYPE_CONFIG2,
  48         PARSE_EVENTS__TERM_TYPE_NAME,
  49         PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD,
  50         PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE,
  51 };
  52
  53 struct parse_events_term {
  54         char *config;
  55         union {
  56                 char *str;
  57                 u64  num;
  58         } val;
  59         int type_val;
  60         int type_term;
  61         struct list_head list;
  62 };
  63
  64 struct parse_events_evlist {
  65         struct list_head list;
  66         int idx;
  67         int nr_groups;
  68 };
  69
  70 struct parse_events_terms {
  71         struct list_head *terms;
  72 };
  73
  74 int parse_events__is_hardcoded_term(struct parse_events_term *term);
  75 int parse_events_term__num(struct parse_events_term **_term,
  76                            int type_term, char *config, u64 num);
  77 int parse_events_term__str(struct parse_events_term **_term,
  78                            int type_term, char *config, char *str);
  79 int parse_events_term__sym_hw(struct parse_events_term **term,
  80                               char *config, unsigned idx);
  81 int parse_events_term__clone(struct parse_events_term **new,
  82                              struct parse_events_term *term);
  83 void parse_events__free_terms(struct list_head *terms);
  84 int parse_events__modifier_event(struct list_head *list, char *str, bool add);
  85 int parse_events__modifier_group(struct list_head *list, char *event_mod);
  86 int parse_events_name(struct list_head *list, char *name);
  87 int parse_events_add_tracepoint(struct list_head *list, int *idx,
  88                                 char *sys, char *event);
  89 int parse_events_add_numeric(struct list_head *list, int *idx,
  90                              u32 type, u64 config,
  91                              struct list_head *head_config);
  92 int parse_events_add_cache(struct list_head *list, int *idx,
  93                            char *type, char *op_result1, char *op_result2);
  94 int parse_events_add_breakpoint(struct list_head *list, int *idx,
  95                                 void *ptr, char *type);
  96 int parse_events_add_pmu(struct list_head *list, int *idx,
  97                          char *pmu , struct list_head *head_config);
  98 void parse_events__set_leader(char *name, struct list_head *list);
  99 void parse_events_update_lists(struct list_head *list_event,
 100                                struct list_head *list_all);
 101 void parse_events_error(void *data, void *scanner, char const *msg);
 102
 103 void print_events(const char *event_glob, bool name_only);
 104 void print_events_type(u8 type);
 105 void print_tracepoint_events(const char *subsys_glob, const char *event_glob,
 106                              bool name_only);
 107 int print_hwcache_events(const char *event_glob, bool name_only);
 108 extern int is_valid_tracepoint(const char *event_string);
 109
 110 extern int valid_debugfs_mount(const char *debugfs);
 111
 112 #endif /* __PERF_PARSE_EVENTS_H */