xref: /openbmc/linux/tools/perf/util/session.h (revision c819e2cf)
1 #ifndef __PERF_SESSION_H
2 #define __PERF_SESSION_H
3 
4 #include "trace-event.h"
5 #include "event.h"
6 #include "header.h"
7 #include "machine.h"
8 #include "symbol.h"
9 #include "thread.h"
10 #include "data.h"
11 #include "ordered-events.h"
12 #include <linux/rbtree.h>
13 #include <linux/perf_event.h>
14 
15 struct ip_callchain;
16 struct thread;
17 
18 struct perf_session {
19 	struct perf_header	header;
20 	struct machines		machines;
21 	struct perf_evlist	*evlist;
22 	struct trace_event	tevent;
23 	struct events_stats	stats;
24 	bool			repipe;
25 	bool			one_mmap;
26 	void			*one_mmap_addr;
27 	u64			one_mmap_offset;
28 	struct ordered_events	ordered_events;
29 	struct perf_data_file	*file;
30 };
31 
32 #define PRINT_IP_OPT_IP		(1<<0)
33 #define PRINT_IP_OPT_SYM		(1<<1)
34 #define PRINT_IP_OPT_DSO		(1<<2)
35 #define PRINT_IP_OPT_SYMOFFSET	(1<<3)
36 #define PRINT_IP_OPT_ONELINE	(1<<4)
37 #define PRINT_IP_OPT_SRCLINE	(1<<5)
38 
39 struct perf_tool;
40 
41 struct perf_session *perf_session__new(struct perf_data_file *file,
42 				       bool repipe, struct perf_tool *tool);
43 void perf_session__delete(struct perf_session *session);
44 
45 void perf_event_header__bswap(struct perf_event_header *hdr);
46 
47 int perf_session__peek_event(struct perf_session *session, off_t file_offset,
48 			     void *buf, size_t buf_sz,
49 			     union perf_event **event_ptr,
50 			     struct perf_sample *sample);
51 
52 int perf_session__process_events(struct perf_session *session,
53 				 struct perf_tool *tool);
54 
55 int perf_session_queue_event(struct perf_session *s, union perf_event *event,
56 			     struct perf_tool *tool, struct perf_sample *sample,
57 			     u64 file_offset);
58 
59 void perf_tool__fill_defaults(struct perf_tool *tool);
60 
61 int perf_session__deliver_event(struct perf_session *session,
62 				union perf_event *event,
63 				struct perf_sample *sample,
64 				struct perf_tool *tool, u64 file_offset);
65 
66 int perf_session__resolve_callchain(struct perf_session *session,
67 				    struct perf_evsel *evsel,
68 				    struct thread *thread,
69 				    struct ip_callchain *chain,
70 				    struct symbol **parent);
71 
72 bool perf_session__has_traces(struct perf_session *session, const char *msg);
73 
74 void perf_event__attr_swap(struct perf_event_attr *attr);
75 
76 int perf_session__create_kernel_maps(struct perf_session *session);
77 
78 void perf_session__set_id_hdr_size(struct perf_session *session);
79 
80 static inline
81 struct machine *perf_session__find_machine(struct perf_session *session, pid_t pid)
82 {
83 	return machines__find(&session->machines, pid);
84 }
85 
86 static inline
87 struct machine *perf_session__findnew_machine(struct perf_session *session, pid_t pid)
88 {
89 	return machines__findnew(&session->machines, pid);
90 }
91 
92 struct thread *perf_session__findnew(struct perf_session *session, pid_t pid);
93 size_t perf_session__fprintf(struct perf_session *session, FILE *fp);
94 
95 size_t perf_session__fprintf_dsos(struct perf_session *session, FILE *fp);
96 
97 size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp,
98 					  bool (fn)(struct dso *dso, int parm), int parm);
99 
100 size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
101 
102 struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
103 					    unsigned int type);
104 
105 void perf_evsel__print_ip(struct perf_evsel *evsel, struct perf_sample *sample,
106 			  struct addr_location *al,
107 			  unsigned int print_opts, unsigned int stack_depth);
108 
109 int perf_session__cpu_bitmap(struct perf_session *session,
110 			     const char *cpu_list, unsigned long *cpu_bitmap);
111 
112 void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
113 
114 struct perf_evsel_str_handler;
115 
116 int __perf_session__set_tracepoints_handlers(struct perf_session *session,
117 					     const struct perf_evsel_str_handler *assocs,
118 					     size_t nr_assocs);
119 
120 #define perf_session__set_tracepoints_handlers(session, array) \
121 	__perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array))
122 
123 extern volatile int session_done;
124 
125 #define session_done()	ACCESS_ONCE(session_done)
126 
127 int perf_session__deliver_synth_event(struct perf_session *session,
128 				      union perf_event *event,
129 				      struct perf_sample *sample,
130 				      struct perf_tool *tool);
131 
132 int perf_event__process_id_index(struct perf_tool *tool,
133 				 union perf_event *event,
134 				 struct perf_session *session);
135 
136 int perf_event__synthesize_id_index(struct perf_tool *tool,
137 				    perf_event__handler_t process,
138 				    struct perf_evlist *evlist,
139 				    struct machine *machine);
140 
141 #endif /* __PERF_SESSION_H */
142