xref: /openbmc/linux/tools/perf/util/session.h (revision dea54fba)
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 "data.h"
9 #include "ordered-events.h"
10 #include <linux/kernel.h>
11 #include <linux/rbtree.h>
12 #include <linux/perf_event.h>
13 
14 struct ip_callchain;
15 struct symbol;
16 struct thread;
17 
18 struct auxtrace;
19 struct itrace_synth_opts;
20 
21 struct perf_session {
22 	struct perf_header	header;
23 	struct machines		machines;
24 	struct perf_evlist	*evlist;
25 	struct auxtrace		*auxtrace;
26 	struct itrace_synth_opts *itrace_synth_opts;
27 	struct list_head	auxtrace_index;
28 	struct trace_event	tevent;
29 	struct time_conv_event	time_conv;
30 	bool			repipe;
31 	bool			one_mmap;
32 	void			*one_mmap_addr;
33 	u64			one_mmap_offset;
34 	struct ordered_events	ordered_events;
35 	struct perf_data_file	*file;
36 	struct perf_tool	*tool;
37 };
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 
54 int perf_session__queue_event(struct perf_session *s, union perf_event *event,
55 			      struct perf_sample *sample, u64 file_offset);
56 
57 void perf_tool__fill_defaults(struct perf_tool *tool);
58 
59 int perf_session__resolve_callchain(struct perf_session *session,
60 				    struct perf_evsel *evsel,
61 				    struct thread *thread,
62 				    struct ip_callchain *chain,
63 				    struct symbol **parent);
64 
65 bool perf_session__has_traces(struct perf_session *session, const char *msg);
66 
67 void perf_event__attr_swap(struct perf_event_attr *attr);
68 
69 int perf_session__create_kernel_maps(struct perf_session *session);
70 
71 void perf_session__set_id_hdr_size(struct perf_session *session);
72 
73 static inline
74 struct machine *perf_session__find_machine(struct perf_session *session, pid_t pid)
75 {
76 	return machines__find(&session->machines, pid);
77 }
78 
79 static inline
80 struct machine *perf_session__findnew_machine(struct perf_session *session, pid_t pid)
81 {
82 	return machines__findnew(&session->machines, pid);
83 }
84 
85 struct thread *perf_session__findnew(struct perf_session *session, pid_t pid);
86 int perf_session__register_idle_thread(struct perf_session *session);
87 
88 size_t perf_session__fprintf(struct perf_session *session, FILE *fp);
89 
90 size_t perf_session__fprintf_dsos(struct perf_session *session, FILE *fp);
91 
92 size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp,
93 					  bool (fn)(struct dso *dso, int parm), int parm);
94 
95 size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
96 
97 struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
98 					    unsigned int type);
99 
100 int perf_session__cpu_bitmap(struct perf_session *session,
101 			     const char *cpu_list, unsigned long *cpu_bitmap);
102 
103 void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
104 
105 struct perf_evsel_str_handler;
106 
107 int __perf_session__set_tracepoints_handlers(struct perf_session *session,
108 					     const struct perf_evsel_str_handler *assocs,
109 					     size_t nr_assocs);
110 
111 #define perf_session__set_tracepoints_handlers(session, array) \
112 	__perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array))
113 
114 extern volatile int session_done;
115 
116 #define session_done()	ACCESS_ONCE(session_done)
117 
118 int perf_session__deliver_synth_event(struct perf_session *session,
119 				      union perf_event *event,
120 				      struct perf_sample *sample);
121 
122 int perf_event__process_id_index(struct perf_tool *tool,
123 				 union perf_event *event,
124 				 struct perf_session *session);
125 
126 int perf_event__synthesize_id_index(struct perf_tool *tool,
127 				    perf_event__handler_t process,
128 				    struct perf_evlist *evlist,
129 				    struct machine *machine);
130 
131 #endif /* __PERF_SESSION_H */
132