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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
14struct evsel;
15struct evlist;
16struct parse_events_error;
17
18struct option;
19struct perf_pmu;
20
21bool is_event_supported(u8 type, u64 config);
22
23const char *event_type(int type);
24
25int parse_events_option(const struct option *opt, const char *str, int unset);
26int parse_events_option_new_evlist(const struct option *opt, const char *str, int unset);
27__attribute__((nonnull(1, 2, 3)))
28int __parse_events(struct evlist *evlist, const char *str, struct parse_events_error *error,
29 struct perf_pmu *fake_pmu);
30
31__attribute__((nonnull))
32static inline int parse_events(struct evlist *evlist, const char *str,
33 struct parse_events_error *err)
34{
35 return __parse_events(evlist, str, err, NULL);
36}
37
38int parse_event(struct evlist *evlist, const char *str);
39
40int parse_events_terms(struct list_head *terms, const char *str);
41int parse_filter(const struct option *opt, const char *str, int unset);
42int exclude_perf(const struct option *opt, const char *arg, int unset);
43
44enum perf_pmu_event_symbol_type {
45 PMU_EVENT_SYMBOL_ERR, /* not a PMU EVENT */
46 PMU_EVENT_SYMBOL, /* normal style PMU event */
47 PMU_EVENT_SYMBOL_PREFIX, /* prefix of pre-suf style event */
48 PMU_EVENT_SYMBOL_SUFFIX, /* suffix of pre-suf style event */
49 PMU_EVENT_SYMBOL_SUFFIX2, /* suffix of pre-suf2 style event */
50};
51
52enum {
53 PARSE_EVENTS__TERM_TYPE_NUM,
54 PARSE_EVENTS__TERM_TYPE_STR,
55};
56
57enum {
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_MAX_EVENTS,
73 PARSE_EVENTS__TERM_TYPE_NOOVERWRITE,
74 PARSE_EVENTS__TERM_TYPE_OVERWRITE,
75 PARSE_EVENTS__TERM_TYPE_DRV_CFG,
76 PARSE_EVENTS__TERM_TYPE_PERCORE,
77 PARSE_EVENTS__TERM_TYPE_AUX_OUTPUT,
78 PARSE_EVENTS__TERM_TYPE_AUX_SAMPLE_SIZE,
79 PARSE_EVENTS__TERM_TYPE_METRIC_ID,
80 __PARSE_EVENTS__TERM_TYPE_NR,
81};
82
83struct parse_events_array {
84 size_t nr_ranges;
85 struct {
86 unsigned int start;
87 size_t length;
88 } *ranges;
89};
90
91struct parse_events_term {
92 char *config;
93 struct parse_events_array array;
94 union {
95 char *str;
96 u64 num;
97 } val;
98 int type_val;
99 int type_term;
100 struct list_head list;
101 bool used;
102 bool no_value;
103
104 /* error string indexes for within parsed string */
105 int err_term;
106 int err_val;
107
108 /* Coming from implicit alias */
109 bool weak;
110};
111
112struct parse_events_error {
113 int num_errors; /* number of errors encountered */
114 int idx; /* index in the parsed string */
115 char *str; /* string to display at the index */
116 char *help; /* optional help string */
117 int first_idx;/* as above, but for the first encountered error */
118 char *first_str;
119 char *first_help;
120};
121
122struct parse_events_state {
123 struct list_head list;
124 int idx;
125 int nr_groups;
126 struct parse_events_error *error;
127 struct evlist *evlist;
128 struct list_head *terms;
129 int stoken;
130 struct perf_pmu *fake_pmu;
131 char *hybrid_pmu_name;
132};
133
134void parse_events__shrink_config_terms(void);
135int parse_events__is_hardcoded_term(struct parse_events_term *term);
136int parse_events_term__num(struct parse_events_term **term,
137 int type_term, char *config, u64 num,
138 bool novalue,
139 void *loc_term, void *loc_val);
140int parse_events_term__str(struct parse_events_term **term,
141 int type_term, char *config, char *str,
142 void *loc_term, void *loc_val);
143int parse_events_term__sym_hw(struct parse_events_term **term,
144 char *config, unsigned idx);
145int parse_events_term__clone(struct parse_events_term **new,
146 struct parse_events_term *term);
147void parse_events_term__delete(struct parse_events_term *term);
148void parse_events_terms__delete(struct list_head *terms);
149void parse_events_terms__purge(struct list_head *terms);
150void parse_events__clear_array(struct parse_events_array *a);
151int parse_events__modifier_event(struct list_head *list, char *str, bool add);
152int parse_events__modifier_group(struct list_head *list, char *event_mod);
153int parse_events_name(struct list_head *list, const char *name);
154int parse_events_add_tracepoint(struct list_head *list, int *idx,
155 const char *sys, const char *event,
156 struct parse_events_error *error,
157 struct list_head *head_config);
158int parse_events_load_bpf(struct parse_events_state *parse_state,
159 struct list_head *list,
160 char *bpf_file_name,
161 bool source,
162 struct list_head *head_config);
163/* Provide this function for perf test */
164struct bpf_object;
165int parse_events_load_bpf_obj(struct parse_events_state *parse_state,
166 struct list_head *list,
167 struct bpf_object *obj,
168 struct list_head *head_config);
169int parse_events_add_numeric(struct parse_events_state *parse_state,
170 struct list_head *list,
171 u32 type, u64 config,
172 struct list_head *head_config);
173int parse_events_add_tool(struct parse_events_state *parse_state,
174 struct list_head *list,
175 int tool_event);
176int parse_events_add_cache(struct list_head *list, int *idx,
177 char *type, char *op_result1, char *op_result2,
178 struct parse_events_error *error,
179 struct list_head *head_config,
180 struct parse_events_state *parse_state);
181int parse_events_add_breakpoint(struct list_head *list, int *idx,
182 u64 addr, char *type, u64 len);
183int parse_events_add_pmu(struct parse_events_state *parse_state,
184 struct list_head *list, char *name,
185 struct list_head *head_config,
186 bool auto_merge_stats,
187 bool use_alias);
188
189struct evsel *parse_events__add_event(int idx, struct perf_event_attr *attr,
190 const char *name, const char *metric_id,
191 struct perf_pmu *pmu);
192
193int parse_events_multi_pmu_add(struct parse_events_state *parse_state,
194 char *str,
195 struct list_head *head_config,
196 struct list_head **listp);
197
198int parse_events_copy_term_list(struct list_head *old,
199 struct list_head **new);
200
201enum perf_pmu_event_symbol_type
202perf_pmu__parse_check(const char *name);
203void parse_events__set_leader(char *name, struct list_head *list,
204 struct parse_events_state *parse_state);
205void parse_events_update_lists(struct list_head *list_event,
206 struct list_head *list_all);
207void parse_events_evlist_error(struct parse_events_state *parse_state,
208 int idx, const char *str);
209
210struct event_symbol {
211 const char *symbol;
212 const char *alias;
213};
214extern struct event_symbol event_symbols_hw[];
215extern struct event_symbol event_symbols_sw[];
216
217char *parse_events_formats_error_string(char *additional_terms);
218
219void parse_events_error__init(struct parse_events_error *err);
220void parse_events_error__exit(struct parse_events_error *err);
221void parse_events_error__handle(struct parse_events_error *err, int idx,
222 char *str, char *help);
223void parse_events_error__print(struct parse_events_error *err,
224 const char *event);
225
226#ifdef HAVE_LIBELF_SUPPORT
227/*
228 * If the probe point starts with '%',
229 * or starts with "sdt_" and has a ':' but no '=',
230 * then it should be a SDT/cached probe point.
231 */
232static inline bool is_sdt_event(char *str)
233{
234 return (str[0] == '%' ||
235 (!strncmp(str, "sdt_", 4) &&
236 !!strchr(str, ':') && !strchr(str, '=')));
237}
238#else
239static inline bool is_sdt_event(char *str __maybe_unused)
240{
241 return false;
242}
243#endif /* HAVE_LIBELF_SUPPORT */
244
245int perf_pmu__test_parse_init(void);
246
247struct evsel *parse_events__add_event_hybrid(struct list_head *list, int *idx,
248 struct perf_event_attr *attr,
249 const char *name,
250 const char *metric_id,
251 struct perf_pmu *pmu,
252 struct list_head *config_terms);
253
254#endif /* __PERF_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 "types.h"
10#include <linux/perf_event.h>
11#include "types.h"
12
13struct list_head;
14struct perf_evsel;
15struct perf_evlist;
16
17struct option;
18
19struct tracepoint_path {
20 char *system;
21 char *name;
22 struct tracepoint_path *next;
23};
24
25extern struct tracepoint_path *tracepoint_id_to_path(u64 config);
26extern struct tracepoint_path *tracepoint_name_to_path(const char *name);
27extern bool have_tracepoints(struct list_head *evlist);
28
29const char *event_type(int type);
30
31extern int parse_events_option(const struct option *opt, const char *str,
32 int unset);
33extern int parse_events(struct perf_evlist *evlist, const char *str);
34extern int parse_events_terms(struct list_head *terms, const char *str);
35extern int parse_filter(const struct option *opt, const char *str, int unset);
36
37#define EVENTS_HELP_MAX (128*1024)
38
39enum {
40 PARSE_EVENTS__TERM_TYPE_NUM,
41 PARSE_EVENTS__TERM_TYPE_STR,
42};
43
44enum {
45 PARSE_EVENTS__TERM_TYPE_USER,
46 PARSE_EVENTS__TERM_TYPE_CONFIG,
47 PARSE_EVENTS__TERM_TYPE_CONFIG1,
48 PARSE_EVENTS__TERM_TYPE_CONFIG2,
49 PARSE_EVENTS__TERM_TYPE_NAME,
50 PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD,
51 PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE,
52};
53
54struct parse_events_term {
55 char *config;
56 union {
57 char *str;
58 u64 num;
59 } val;
60 int type_val;
61 int type_term;
62 struct list_head list;
63};
64
65struct parse_events_evlist {
66 struct list_head list;
67 int idx;
68 int nr_groups;
69};
70
71struct parse_events_terms {
72 struct list_head *terms;
73};
74
75int parse_events__is_hardcoded_term(struct parse_events_term *term);
76int parse_events_term__num(struct parse_events_term **_term,
77 int type_term, char *config, u64 num);
78int parse_events_term__str(struct parse_events_term **_term,
79 int type_term, char *config, char *str);
80int parse_events_term__sym_hw(struct parse_events_term **term,
81 char *config, unsigned idx);
82int parse_events_term__clone(struct parse_events_term **new,
83 struct parse_events_term *term);
84void parse_events__free_terms(struct list_head *terms);
85int parse_events__modifier_event(struct list_head *list, char *str, bool add);
86int parse_events__modifier_group(struct list_head *list, char *event_mod);
87int parse_events_name(struct list_head *list, char *name);
88int parse_events_add_tracepoint(struct list_head *list, int *idx,
89 char *sys, char *event);
90int parse_events_add_numeric(struct list_head *list, int *idx,
91 u32 type, u64 config,
92 struct list_head *head_config);
93int parse_events_add_cache(struct list_head *list, int *idx,
94 char *type, char *op_result1, char *op_result2);
95int parse_events_add_breakpoint(struct list_head *list, int *idx,
96 void *ptr, char *type);
97int parse_events_add_pmu(struct list_head *list, int *idx,
98 char *pmu , struct list_head *head_config);
99void parse_events__set_leader(char *name, struct list_head *list);
100void parse_events_update_lists(struct list_head *list_event,
101 struct list_head *list_all);
102void parse_events_error(void *data, void *scanner, char const *msg);
103
104void print_events(const char *event_glob, bool name_only);
105void print_events_type(u8 type);
106void print_tracepoint_events(const char *subsys_glob, const char *event_glob,
107 bool name_only);
108int print_hwcache_events(const char *event_glob, bool name_only);
109extern int is_valid_tracepoint(const char *event_string);
110
111extern int valid_debugfs_mount(const char *debugfs);
112
113#endif /* __PERF_PARSE_EVENTS_H */