~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/tools/perf/util/parse-events.h

Version: ~ [ linux-5.13-rc5 ] ~ [ linux-5.12.9 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.42 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.124 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.193 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.235 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.271 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.271 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.18.140 ] ~ [ linux-3.16.85 ] ~ [ linux-3.14.79 ] ~ [ linux-3.12.74 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 /* SPDX-License-Identifier: GPL-2.0 */
  2 #ifndef __PERF_PARSE_EVENTS_H
  3 #define __PERF_PARSE_EVENTS_H
  4 /*
  5  * Parse symbolic events/counts passed in as options:
  6  */
  7 
  8 #include <linux/list.h>
  9 #include <stdbool.h>
 10 #include <linux/types.h>
 11 #include <linux/perf_event.h>
 12 #include <string.h>
 13 
 14 struct list_head;
 15 struct perf_evsel;
 16 struct perf_evlist;
 17 struct parse_events_error;
 18 
 19 struct option;
 20 
 21 struct tracepoint_path {
 22         char *system;
 23         char *name;
 24         struct tracepoint_path *next;
 25 };
 26 
 27 struct tracepoint_path *tracepoint_id_to_path(u64 config);
 28 struct tracepoint_path *tracepoint_name_to_path(const char *name);
 29 bool have_tracepoints(struct list_head *evlist);
 30 
 31 const char *event_type(int type);
 32 
 33 int parse_events_option(const struct option *opt, const char *str, int unset);
 34 int parse_events(struct perf_evlist *evlist, const char *str,
 35                  struct parse_events_error *error);
 36 int parse_events_terms(struct list_head *terms, const char *str);
 37 int parse_filter(const struct option *opt, const char *str, int unset);
 38 int exclude_perf(const struct option *opt, const char *arg, int unset);
 39 
 40 #define EVENTS_HELP_MAX (128*1024)
 41 
 42 enum perf_pmu_event_symbol_type {
 43         PMU_EVENT_SYMBOL_ERR,           /* not a PMU EVENT */
 44         PMU_EVENT_SYMBOL,               /* normal style PMU event */
 45         PMU_EVENT_SYMBOL_PREFIX,        /* prefix of pre-suf style event */
 46         PMU_EVENT_SYMBOL_SUFFIX,        /* suffix of pre-suf style event */
 47 };
 48 
 49 struct perf_pmu_event_symbol {
 50         char    *symbol;
 51         enum perf_pmu_event_symbol_type type;
 52 };
 53 
 54 enum {
 55         PARSE_EVENTS__TERM_TYPE_NUM,
 56         PARSE_EVENTS__TERM_TYPE_STR,
 57 };
 58 
 59 enum {
 60         PARSE_EVENTS__TERM_TYPE_USER,
 61         PARSE_EVENTS__TERM_TYPE_CONFIG,
 62         PARSE_EVENTS__TERM_TYPE_CONFIG1,
 63         PARSE_EVENTS__TERM_TYPE_CONFIG2,
 64         PARSE_EVENTS__TERM_TYPE_NAME,
 65         PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD,
 66         PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ,
 67         PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE,
 68         PARSE_EVENTS__TERM_TYPE_TIME,
 69         PARSE_EVENTS__TERM_TYPE_CALLGRAPH,
 70         PARSE_EVENTS__TERM_TYPE_STACKSIZE,
 71         PARSE_EVENTS__TERM_TYPE_NOINHERIT,
 72         PARSE_EVENTS__TERM_TYPE_INHERIT,
 73         PARSE_EVENTS__TERM_TYPE_MAX_STACK,
 74         PARSE_EVENTS__TERM_TYPE_MAX_EVENTS,
 75         PARSE_EVENTS__TERM_TYPE_NOOVERWRITE,
 76         PARSE_EVENTS__TERM_TYPE_OVERWRITE,
 77         PARSE_EVENTS__TERM_TYPE_DRV_CFG,
 78         __PARSE_EVENTS__TERM_TYPE_NR,
 79 };
 80 
 81 struct parse_events_array {
 82         size_t nr_ranges;
 83         struct {
 84                 unsigned int start;
 85                 size_t length;
 86         } *ranges;
 87 };
 88 
 89 struct parse_events_term {
 90         char *config;
 91         struct parse_events_array array;
 92         union {
 93                 char *str;
 94                 u64  num;
 95         } val;
 96         int type_val;
 97         int type_term;
 98         struct list_head list;
 99         bool used;
100         bool no_value;
101 
102         /* error string indexes for within parsed string */
103         int err_term;
104         int err_val;
105 
106         /* Coming from implicit alias */
107         bool weak;
108 };
109 
110 struct parse_events_error {
111         int   idx;      /* index in the parsed string */
112         char *str;      /* string to display at the index */
113         char *help;     /* optional help string */
114 };
115 
116 struct parse_events_state {
117         struct list_head           list;
118         int                        idx;
119         int                        nr_groups;
120         struct parse_events_error *error;
121         struct perf_evlist        *evlist;
122         struct list_head          *terms;
123 };
124 
125 void parse_events__shrink_config_terms(void);
126 int parse_events__is_hardcoded_term(struct parse_events_term *term);
127 int parse_events_term__num(struct parse_events_term **term,
128                            int type_term, char *config, u64 num,
129                            bool novalue,
130                            void *loc_term, void *loc_val);
131 int parse_events_term__str(struct parse_events_term **term,
132                            int type_term, char *config, char *str,
133                            void *loc_term, void *loc_val);
134 int parse_events_term__sym_hw(struct parse_events_term **term,
135                               char *config, unsigned idx);
136 int parse_events_term__clone(struct parse_events_term **new,
137                              struct parse_events_term *term);
138 void parse_events_terms__delete(struct list_head *terms);
139 void parse_events_terms__purge(struct list_head *terms);
140 void parse_events__clear_array(struct parse_events_array *a);
141 int parse_events__modifier_event(struct list_head *list, char *str, bool add);
142 int parse_events__modifier_group(struct list_head *list, char *event_mod);
143 int parse_events_name(struct list_head *list, char *name);
144 int parse_events_add_tracepoint(struct list_head *list, int *idx,
145                                 const char *sys, const char *event,
146                                 struct parse_events_error *error,
147                                 struct list_head *head_config);
148 int parse_events_load_bpf(struct parse_events_state *parse_state,
149                           struct list_head *list,
150                           char *bpf_file_name,
151                           bool source,
152                           struct list_head *head_config);
153 /* Provide this function for perf test */
154 struct bpf_object;
155 int parse_events_load_bpf_obj(struct parse_events_state *parse_state,
156                               struct list_head *list,
157                               struct bpf_object *obj,
158                               struct list_head *head_config);
159 int parse_events_add_numeric(struct parse_events_state *parse_state,
160                              struct list_head *list,
161                              u32 type, u64 config,
162                              struct list_head *head_config);
163 int parse_events_add_cache(struct list_head *list, int *idx,
164                            char *type, char *op_result1, char *op_result2,
165                            struct parse_events_error *error,
166                            struct list_head *head_config);
167 int parse_events_add_breakpoint(struct list_head *list, int *idx,
168                                 void *ptr, char *type, u64 len);
169 int parse_events_add_pmu(struct parse_events_state *parse_state,
170                          struct list_head *list, char *name,
171                          struct list_head *head_config,
172                          bool auto_merge_stats,
173                          bool use_alias);
174 
175 int parse_events_multi_pmu_add(struct parse_events_state *parse_state,
176                                char *str,
177                                struct list_head **listp);
178 
179 int parse_events_copy_term_list(struct list_head *old,
180                                  struct list_head **new);
181 
182 enum perf_pmu_event_symbol_type
183 perf_pmu__parse_check(const char *name);
184 void parse_events__set_leader(char *name, struct list_head *list,
185                               struct parse_events_state *parse_state);
186 void parse_events_update_lists(struct list_head *list_event,
187                                struct list_head *list_all);
188 void parse_events_evlist_error(struct parse_events_state *parse_state,
189                                int idx, const char *str);
190 
191 void print_events(const char *event_glob, bool name_only, bool quiet,
192                   bool long_desc, bool details_flag);
193 
194 struct event_symbol {
195         const char      *symbol;
196         const char      *alias;
197 };
198 extern struct event_symbol event_symbols_hw[];
199 extern struct event_symbol event_symbols_sw[];
200 void print_symbol_events(const char *event_glob, unsigned type,
201                                 struct event_symbol *syms, unsigned max,
202                                 bool name_only);
203 void print_tracepoint_events(const char *subsys_glob, const char *event_glob,
204                              bool name_only);
205 int print_hwcache_events(const char *event_glob, bool name_only);
206 void print_sdt_events(const char *subsys_glob, const char *event_glob,
207                       bool name_only);
208 int is_valid_tracepoint(const char *event_string);
209 
210 int valid_event_mount(const char *eventfs);
211 char *parse_events_formats_error_string(char *additional_terms);
212 
213 void parse_events_print_error(struct parse_events_error *err,
214                               const char *event);
215 
216 #ifdef HAVE_LIBELF_SUPPORT
217 /*
218  * If the probe point starts with '%',
219  * or starts with "sdt_" and has a ':' but no '=',
220  * then it should be a SDT/cached probe point.
221  */
222 static inline bool is_sdt_event(char *str)
223 {
224         return (str[0] == '%' ||
225                 (!strncmp(str, "sdt_", 4) &&
226                  !!strchr(str, ':') && !strchr(str, '=')));
227 }
228 #else
229 static inline bool is_sdt_event(char *str __maybe_unused)
230 {
231         return false;
232 }
233 #endif /* HAVE_LIBELF_SUPPORT */
234 
235 #endif /* __PERF_PARSE_EVENTS_H */
236 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp