1 #ifndef __PERF_PARSE_EVENTS_H
2 #define __PERF_PARSE_EVENTS_H
4 * Parse symbolic events/counts passed in as options:
7 #include <linux/list.h>
9 #include <linux/types.h>
10 #include <linux/perf_event.h>
16 struct parse_events_error
;
20 struct tracepoint_path
{
23 struct tracepoint_path
*next
;
26 struct tracepoint_path
*tracepoint_id_to_path(u64 config
);
27 struct tracepoint_path
*tracepoint_name_to_path(const char *name
);
28 bool have_tracepoints(struct list_head
*evlist
);
30 const char *event_type(int type
);
32 int parse_events_option(const struct option
*opt
, const char *str
, int unset
);
33 int parse_events(struct perf_evlist
*evlist
, const char *str
,
34 struct parse_events_error
*error
);
35 int parse_events_terms(struct list_head
*terms
, const char *str
);
36 int parse_filter(const struct option
*opt
, const char *str
, int unset
);
37 int exclude_perf(const struct option
*opt
, const char *arg
, int unset
);
39 #define EVENTS_HELP_MAX (128*1024)
41 enum perf_pmu_event_symbol_type
{
42 PMU_EVENT_SYMBOL_ERR
, /* not a PMU EVENT */
43 PMU_EVENT_SYMBOL
, /* normal style PMU event */
44 PMU_EVENT_SYMBOL_PREFIX
, /* prefix of pre-suf style event */
45 PMU_EVENT_SYMBOL_SUFFIX
, /* suffix of pre-suf style event */
48 struct perf_pmu_event_symbol
{
50 enum perf_pmu_event_symbol_type type
;
54 PARSE_EVENTS__TERM_TYPE_NUM
,
55 PARSE_EVENTS__TERM_TYPE_STR
,
59 PARSE_EVENTS__TERM_TYPE_USER
,
60 PARSE_EVENTS__TERM_TYPE_CONFIG
,
61 PARSE_EVENTS__TERM_TYPE_CONFIG1
,
62 PARSE_EVENTS__TERM_TYPE_CONFIG2
,
63 PARSE_EVENTS__TERM_TYPE_NAME
,
64 PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD
,
65 PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ
,
66 PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE
,
67 PARSE_EVENTS__TERM_TYPE_TIME
,
68 PARSE_EVENTS__TERM_TYPE_CALLGRAPH
,
69 PARSE_EVENTS__TERM_TYPE_STACKSIZE
,
70 PARSE_EVENTS__TERM_TYPE_NOINHERIT
,
71 PARSE_EVENTS__TERM_TYPE_INHERIT
,
72 PARSE_EVENTS__TERM_TYPE_MAX_STACK
,
73 PARSE_EVENTS__TERM_TYPE_NOOVERWRITE
,
74 PARSE_EVENTS__TERM_TYPE_OVERWRITE
,
75 PARSE_EVENTS__TERM_TYPE_DRV_CFG
,
76 __PARSE_EVENTS__TERM_TYPE_NR
,
79 struct parse_events_array
{
87 struct parse_events_term
{
89 struct parse_events_array array
;
96 struct list_head list
;
100 /* error string indexes for within parsed string */
105 struct parse_events_error
{
106 int idx
; /* index in the parsed string */
107 char *str
; /* string to display at the index */
108 char *help
; /* optional help string */
111 struct parse_events_evlist
{
112 struct list_head list
;
115 struct parse_events_error
*error
;
116 struct perf_evlist
*evlist
;
119 struct parse_events_terms
{
120 struct list_head
*terms
;
123 void parse_events__shrink_config_terms(void);
124 int parse_events__is_hardcoded_term(struct parse_events_term
*term
);
125 int parse_events_term__num(struct parse_events_term
**term
,
126 int type_term
, char *config
, u64 num
,
128 void *loc_term
, void *loc_val
);
129 int parse_events_term__str(struct parse_events_term
**term
,
130 int type_term
, char *config
, char *str
,
131 void *loc_term
, void *loc_val
);
132 int parse_events_term__sym_hw(struct parse_events_term
**term
,
133 char *config
, unsigned idx
);
134 int parse_events_term__clone(struct parse_events_term
**new,
135 struct parse_events_term
*term
);
136 void parse_events_terms__delete(struct list_head
*terms
);
137 void parse_events_terms__purge(struct list_head
*terms
);
138 void parse_events__clear_array(struct parse_events_array
*a
);
139 int parse_events__modifier_event(struct list_head
*list
, char *str
, bool add
);
140 int parse_events__modifier_group(struct list_head
*list
, char *event_mod
);
141 int parse_events_name(struct list_head
*list
, char *name
);
142 int parse_events_add_tracepoint(struct list_head
*list
, int *idx
,
143 const char *sys
, const char *event
,
144 struct parse_events_error
*error
,
145 struct list_head
*head_config
);
146 int parse_events_load_bpf(struct parse_events_evlist
*data
,
147 struct list_head
*list
,
150 struct list_head
*head_config
);
151 /* Provide this function for perf test */
153 int parse_events_load_bpf_obj(struct parse_events_evlist
*data
,
154 struct list_head
*list
,
155 struct bpf_object
*obj
,
156 struct list_head
*head_config
);
157 int parse_events_add_numeric(struct parse_events_evlist
*data
,
158 struct list_head
*list
,
159 u32 type
, u64 config
,
160 struct list_head
*head_config
);
161 int parse_events_add_cache(struct list_head
*list
, int *idx
,
162 char *type
, char *op_result1
, char *op_result2
,
163 struct parse_events_error
*error
,
164 struct list_head
*head_config
);
165 int parse_events_add_breakpoint(struct list_head
*list
, int *idx
,
166 void *ptr
, char *type
, u64 len
);
167 int parse_events_add_pmu(struct parse_events_evlist
*data
,
168 struct list_head
*list
, char *name
,
169 struct list_head
*head_config
);
171 int parse_events_multi_pmu_add(struct parse_events_evlist
*data
,
173 struct list_head
**listp
);
175 int parse_events_copy_term_list(struct list_head
*old
,
176 struct list_head
**new);
178 enum perf_pmu_event_symbol_type
179 perf_pmu__parse_check(const char *name
);
180 void parse_events__set_leader(char *name
, struct list_head
*list
);
181 void parse_events_update_lists(struct list_head
*list_event
,
182 struct list_head
*list_all
);
183 void parse_events_evlist_error(struct parse_events_evlist
*data
,
184 int idx
, const char *str
);
186 void print_events(const char *event_glob
, bool name_only
, bool quiet
,
187 bool long_desc
, bool details_flag
);
189 struct event_symbol
{
193 extern struct event_symbol event_symbols_hw
[];
194 extern struct event_symbol event_symbols_sw
[];
195 void print_symbol_events(const char *event_glob
, unsigned type
,
196 struct event_symbol
*syms
, unsigned max
,
198 void print_tracepoint_events(const char *subsys_glob
, const char *event_glob
,
200 int print_hwcache_events(const char *event_glob
, bool name_only
);
201 void print_sdt_events(const char *subsys_glob
, const char *event_glob
,
203 int is_valid_tracepoint(const char *event_string
);
205 int valid_event_mount(const char *eventfs
);
206 char *parse_events_formats_error_string(char *additional_terms
);
208 #ifdef HAVE_LIBELF_SUPPORT
210 * If the probe point starts with '%',
211 * or starts with "sdt_" and has a ':' but no '=',
212 * then it should be a SDT/cached probe point.
214 static inline bool is_sdt_event(char *str
)
216 return (str
[0] == '%' ||
217 (!strncmp(str
, "sdt_", 4) &&
218 !!strchr(str
, ':') && !strchr(str
, '=')));
221 static inline bool is_sdt_event(char *str __maybe_unused
)
225 #endif /* HAVE_LIBELF_SUPPORT */
227 #endif /* __PERF_PARSE_EVENTS_H */