xref: /linux/tools/perf/util/config.h (revision d2912cb15bdda8ba4a5dd73396ad62641af2f520)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __PERF_CONFIG_H
3 #define __PERF_CONFIG_H
4 
5 #include <stdbool.h>
6 #include <linux/list.h>
7 
8 struct perf_config_item {
9 	char *name;
10 	char *value;
11 	bool from_system_config;
12 	struct list_head node;
13 };
14 
15 struct perf_config_section {
16 	char *name;
17 	struct list_head items;
18 	bool from_system_config;
19 	struct list_head node;
20 };
21 
22 struct perf_config_set {
23 	struct list_head sections;
24 };
25 
26 extern const char *config_exclusive_filename;
27 
28 typedef int (*config_fn_t)(const char *, const char *, void *);
29 int perf_default_config(const char *, const char *, void *);
30 int perf_config(config_fn_t fn, void *);
31 int perf_config_int(int *dest, const char *, const char *);
32 int perf_config_u64(u64 *dest, const char *, const char *);
33 int perf_config_bool(const char *, const char *);
34 int config_error_nonbool(const char *);
35 const char *perf_etc_perfconfig(void);
36 
37 struct perf_config_set *perf_config_set__new(void);
38 void perf_config_set__delete(struct perf_config_set *set);
39 int perf_config_set__collect(struct perf_config_set *set, const char *file_name,
40 			     const char *var, const char *value);
41 void perf_config__exit(void);
42 void perf_config__refresh(void);
43 
44 /**
45  * perf_config_sections__for_each - iterate thru all the sections
46  * @list: list_head instance to iterate
47  * @section: struct perf_config_section iterator
48  */
49 #define perf_config_sections__for_each_entry(list, section)	\
50         list_for_each_entry(section, list, node)
51 
52 /**
53  * perf_config_items__for_each - iterate thru all the items
54  * @list: list_head instance to iterate
55  * @item: struct perf_config_item iterator
56  */
57 #define perf_config_items__for_each_entry(list, item)	\
58         list_for_each_entry(item, list, node)
59 
60 /**
61  * perf_config_set__for_each - iterate thru all the config section-item pairs
62  * @set: evlist instance to iterate
63  * @section: struct perf_config_section iterator
64  * @item: struct perf_config_item iterator
65  */
66 #define perf_config_set__for_each_entry(set, section, item)			\
67 	perf_config_sections__for_each_entry(&set->sections, section)		\
68 	perf_config_items__for_each_entry(&section->items, item)
69 
70 #endif /* __PERF_CONFIG_H */
71