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Linux/tools/perf/util/parse-events.h

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  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 struct tracepoint_path *tracepoint_id_to_path(u64 config);
 26 struct tracepoint_path *tracepoint_name_to_path(const char *name);
 27 bool have_tracepoints(struct list_head *evlist);
 28 
 29 const char *event_type(int type);
 30 
 31 int parse_events_option(const struct option *opt, const char *str, int unset);
 32 int parse_events(struct perf_evlist *evlist, const char *str,
 33                  struct parse_events_error *error);
 34 int parse_events_terms(struct list_head *terms, const char *str);
 35 int parse_filter(const struct option *opt, const char *str, int unset);
 36 int exclude_perf(const struct option *opt, const char *arg, 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_SAMPLE_FREQ,
 65         PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE,
 66         PARSE_EVENTS__TERM_TYPE_TIME,
 67         PARSE_EVENTS__TERM_TYPE_CALLGRAPH,
 68         PARSE_EVENTS__TERM_TYPE_STACKSIZE,
 69         PARSE_EVENTS__TERM_TYPE_NOINHERIT,
 70         PARSE_EVENTS__TERM_TYPE_INHERIT,
 71         PARSE_EVENTS__TERM_TYPE_MAX_STACK,
 72         PARSE_EVENTS__TERM_TYPE_NOOVERWRITE,
 73         PARSE_EVENTS__TERM_TYPE_OVERWRITE,
 74         PARSE_EVENTS__TERM_TYPE_DRV_CFG,
 75         __PARSE_EVENTS__TERM_TYPE_NR,
 76 };
 77 
 78 struct parse_events_array {
 79         size_t nr_ranges;
 80         struct {
 81                 unsigned int start;
 82                 size_t length;
 83         } *ranges;
 84 };
 85 
 86 struct parse_events_term {
 87         char *config;
 88         struct parse_events_array array;
 89         union {
 90                 char *str;
 91                 u64  num;
 92         } val;
 93         int type_val;
 94         int type_term;
 95         struct list_head list;
 96         bool used;
 97         bool no_value;
 98 
 99         /* error string indexes for within parsed string */
100         int err_term;
101         int err_val;
102 };
103 
104 struct parse_events_error {
105         int   idx;      /* index in the parsed string */
106         char *str;      /* string to display at the index */
107         char *help;     /* optional help string */
108 };
109 
110 struct parse_events_evlist {
111         struct list_head           list;
112         int                        idx;
113         int                        nr_groups;
114         struct parse_events_error *error;
115         struct perf_evlist        *evlist;
116 };
117 
118 struct parse_events_terms {
119         struct list_head *terms;
120 };
121 
122 void parse_events__shrink_config_terms(void);
123 int parse_events__is_hardcoded_term(struct parse_events_term *term);
124 int parse_events_term__num(struct parse_events_term **term,
125                            int type_term, char *config, u64 num,
126                            bool novalue,
127                            void *loc_term, void *loc_val);
128 int parse_events_term__str(struct parse_events_term **term,
129                            int type_term, char *config, char *str,
130                            void *loc_term, void *loc_val);
131 int parse_events_term__sym_hw(struct parse_events_term **term,
132                               char *config, unsigned idx);
133 int parse_events_term__clone(struct parse_events_term **new,
134                              struct parse_events_term *term);
135 void parse_events_terms__delete(struct list_head *terms);
136 void parse_events_terms__purge(struct list_head *terms);
137 void parse_events__clear_array(struct parse_events_array *a);
138 int parse_events__modifier_event(struct list_head *list, char *str, bool add);
139 int parse_events__modifier_group(struct list_head *list, char *event_mod);
140 int parse_events_name(struct list_head *list, char *name);
141 int parse_events_add_tracepoint(struct list_head *list, int *idx,
142                                 const char *sys, const char *event,
143                                 struct parse_events_error *error,
144                                 struct list_head *head_config);
145 int parse_events_load_bpf(struct parse_events_evlist *data,
146                           struct list_head *list,
147                           char *bpf_file_name,
148                           bool source,
149                           struct list_head *head_config);
150 /* Provide this function for perf test */
151 struct bpf_object;
152 int parse_events_load_bpf_obj(struct parse_events_evlist *data,
153                               struct list_head *list,
154                               struct bpf_object *obj,
155                               struct list_head *head_config);
156 int parse_events_add_numeric(struct parse_events_evlist *data,
157                              struct list_head *list,
158                              u32 type, u64 config,
159                              struct list_head *head_config);
160 int parse_events_add_cache(struct list_head *list, int *idx,
161                            char *type, char *op_result1, char *op_result2,
162                            struct parse_events_error *error,
163                            struct list_head *head_config);
164 int parse_events_add_breakpoint(struct list_head *list, int *idx,
165                                 void *ptr, char *type, u64 len);
166 int parse_events_add_pmu(struct parse_events_evlist *data,
167                          struct list_head *list, char *name,
168                          struct list_head *head_config);
169 enum perf_pmu_event_symbol_type
170 perf_pmu__parse_check(const char *name);
171 void parse_events__set_leader(char *name, struct list_head *list);
172 void parse_events_update_lists(struct list_head *list_event,
173                                struct list_head *list_all);
174 void parse_events_evlist_error(struct parse_events_evlist *data,
175                                int idx, const char *str);
176 
177 void print_events(const char *event_glob, bool name_only, bool quiet,
178                   bool long_desc);
179 
180 struct event_symbol {
181         const char      *symbol;
182         const char      *alias;
183 };
184 extern struct event_symbol event_symbols_hw[];
185 extern struct event_symbol event_symbols_sw[];
186 void print_symbol_events(const char *event_glob, unsigned type,
187                                 struct event_symbol *syms, unsigned max,
188                                 bool name_only);
189 void print_tracepoint_events(const char *subsys_glob, const char *event_glob,
190                              bool name_only);
191 int print_hwcache_events(const char *event_glob, bool name_only);
192 void print_sdt_events(const char *subsys_glob, const char *event_glob,
193                       bool name_only);
194 int is_valid_tracepoint(const char *event_string);
195 
196 int valid_event_mount(const char *eventfs);
197 char *parse_events_formats_error_string(char *additional_terms);
198 
199 #endif /* __PERF_PARSE_EVENTS_H */
200 

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