xref: /openbmc/linux/tools/perf/util/thread.h (revision 7dd65feb)
1 #ifndef __PERF_THREAD_H
2 #define __PERF_THREAD_H
3 
4 #include <linux/rbtree.h>
5 #include <unistd.h>
6 #include "symbol.h"
7 
8 struct map_groups {
9 	struct rb_root		maps[MAP__NR_TYPES];
10 	struct list_head	removed_maps[MAP__NR_TYPES];
11 };
12 
13 struct thread {
14 	struct rb_node		rb_node;
15 	struct map_groups	mg;
16 	pid_t			pid;
17 	char			shortname[3];
18 	char			*comm;
19 	int			comm_len;
20 };
21 
22 void map_groups__init(struct map_groups *self);
23 int thread__set_comm(struct thread *self, const char *comm);
24 int thread__comm_len(struct thread *self);
25 struct thread *perf_session__findnew(struct perf_session *self, pid_t pid);
26 void thread__insert_map(struct thread *self, struct map *map);
27 int thread__fork(struct thread *self, struct thread *parent);
28 size_t map_groups__fprintf_maps(struct map_groups *self, FILE *fp);
29 size_t perf_session__fprintf(struct perf_session *self, FILE *fp);
30 
31 void maps__insert(struct rb_root *maps, struct map *map);
32 struct map *maps__find(struct rb_root *maps, u64 addr);
33 
34 static inline void map_groups__insert(struct map_groups *self, struct map *map)
35 {
36 	 maps__insert(&self->maps[map->type], map);
37 }
38 
39 static inline struct map *map_groups__find(struct map_groups *self,
40 					   enum map_type type, u64 addr)
41 {
42 	return maps__find(&self->maps[type], addr);
43 }
44 
45 static inline struct map *thread__find_map(struct thread *self,
46 					   enum map_type type, u64 addr)
47 {
48 	return self ? map_groups__find(&self->mg, type, addr) : NULL;
49 }
50 
51 void thread__find_addr_location(struct thread *self,
52 				struct perf_session *session, u8 cpumode,
53 				enum map_type type, u64 addr,
54 				struct addr_location *al,
55 				symbol_filter_t filter);
56 struct symbol *map_groups__find_symbol(struct map_groups *self,
57 				       struct perf_session *session,
58 				       enum map_type type, u64 addr,
59 				       symbol_filter_t filter);
60 
61 static inline struct symbol *
62 map_groups__find_function(struct map_groups *self, struct perf_session *session,
63 			  u64 addr, symbol_filter_t filter)
64 {
65 	return map_groups__find_symbol(self, session, MAP__FUNCTION, addr, filter);
66 }
67 
68 struct map *map_groups__find_by_name(struct map_groups *self,
69 				     enum map_type type, const char *name);
70 #endif	/* __PERF_THREAD_H */
71