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 perf_pmu_event_symbol_type {
  39         PMU_EVENT_SYMBOL_ERR,           /* not a PMU EVENT */
  40         PMU_EVENT_SYMBOL,               /* normal style PMU event */
  41         PMU_EVENT_SYMBOL_PREFIX,        /* prefix of pre-suf style event */
  42         PMU_EVENT_SYMBOL_SUFFIX,        /* suffix of pre-suf style event */
  43 };
  44
  45 struct perf_pmu_event_symbol {
  46         char    *symbol;
  47         enum perf_pmu_event_symbol_type type;
  48 };
  49
  50 enum {
  51         PARSE_EVENTS__TERM_TYPE_NUM,
  52         PARSE_EVENTS__TERM_TYPE_STR,
  53 };
  54
  55 enum {
  56         PARSE_EVENTS__TERM_TYPE_USER,
  57         PARSE_EVENTS__TERM_TYPE_CONFIG,
  58         PARSE_EVENTS__TERM_TYPE_CONFIG1,
  59         PARSE_EVENTS__TERM_TYPE_CONFIG2,
  60         PARSE_EVENTS__TERM_TYPE_NAME,
  61         PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD,
  62         PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE,
  63 };
  64
  65 struct parse_events_term {
  66         char *config;
  67         union {
  68                 char *str;
  69                 u64  num;
  70         } val;
  71         int type_val;
  72         int type_term;
  73         struct list_head list;
  74         bool used;
  75 };
  76
  77 struct parse_events_evlist {
  78         struct list_head list;
  79         int idx;
  80         int nr_groups;
  81 };
  82
  83 struct parse_events_terms {
  84         struct list_head *terms;
  85 };
  86
  87 int parse_events__is_hardcoded_term(struct parse_events_term *term);
  88 int parse_events_term__num(struct parse_events_term **_term,
  89                            int type_term, char *config, u64 num);
  90 int parse_events_term__str(struct parse_events_term **_term,
  91                            int type_term, char *config, char *str);
  92 int parse_events_term__sym_hw(struct parse_events_term **term,
  93                               char *config, unsigned idx);
  94 int parse_events_term__clone(struct parse_events_term **new,
  95                              struct parse_events_term *term);
  96 void parse_events__free_terms(struct list_head *terms);
  97 int parse_events__modifier_event(struct list_head *list, char *str, bool add);
  98 int parse_events__modifier_group(struct list_head *list, char *event_mod);
  99 int parse_events_name(struct list_head *list, char *name);
 100 int parse_events_add_tracepoint(struct list_head *list, int *idx,
 101                                 char *sys, char *event);
 102 int parse_events_add_numeric(struct list_head *list, int *idx,
 103                              u32 type, u64 config,
 104                              struct list_head *head_config);
 105 int parse_events_add_cache(struct list_head *list, int *idx,
 106                            char *type, char *op_result1, char *op_result2);
 107 int parse_events_add_breakpoint(struct list_head *list, int *idx,
 108                                 void *ptr, char *type, u64 len);
 109 int parse_events_add_pmu(struct list_head *list, int *idx,
 110                          char *pmu , struct list_head *head_config);
 111 enum perf_pmu_event_symbol_type
 112 perf_pmu__parse_check(const char *name);
 113 void parse_events__set_leader(char *name, struct list_head *list);
 114 void parse_events_update_lists(struct list_head *list_event,
 115                                struct list_head *list_all);
 116 void parse_events_error(void *data, void *scanner, char const *msg);
 117
 118 void print_events(const char *event_glob, bool name_only);
 119 void print_events_type(u8 type);
 120 void print_tracepoint_events(const char *subsys_glob, const char *event_glob,
 121                              bool name_only);
 122 int print_hwcache_events(const char *event_glob, bool name_only);
 123 extern int is_valid_tracepoint(const char *event_string);
 124
 125 extern int valid_debugfs_mount(const char *debugfs);
 126
 127 #endif /* __PERF_PARSE_EVENTS_H */