xref: /openbmc/linux/tools/perf/util/session.h (revision 8b235f2f)
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 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 	bool			repipe;
30 	bool			one_mmap;
31 	void			*one_mmap_addr;
32 	u64			one_mmap_offset;
33 	struct ordered_events	ordered_events;
34 	struct perf_data_file	*file;
35 	struct perf_tool	*tool;
36 };
37 
38 #define PRINT_IP_OPT_IP		(1<<0)
39 #define PRINT_IP_OPT_SYM		(1<<1)
40 #define PRINT_IP_OPT_DSO		(1<<2)
41 #define PRINT_IP_OPT_SYMOFFSET	(1<<3)
42 #define PRINT_IP_OPT_ONELINE	(1<<4)
43 #define PRINT_IP_OPT_SRCLINE	(1<<5)
44 
45 struct perf_tool;
46 
47 struct perf_session *perf_session__new(struct perf_data_file *file,
48 				       bool repipe, struct perf_tool *tool);
49 void perf_session__delete(struct perf_session *session);
50 
51 void perf_event_header__bswap(struct perf_event_header *hdr);
52 
53 int perf_session__peek_event(struct perf_session *session, off_t file_offset,
54 			     void *buf, size_t buf_sz,
55 			     union perf_event **event_ptr,
56 			     struct perf_sample *sample);
57 
58 int perf_session__process_events(struct perf_session *session);
59 
60 int perf_session__queue_event(struct perf_session *s, union perf_event *event,
61 			      struct perf_sample *sample, u64 file_offset);
62 
63 void perf_tool__fill_defaults(struct perf_tool *tool);
64 
65 int perf_session__resolve_callchain(struct perf_session *session,
66 				    struct perf_evsel *evsel,
67 				    struct thread *thread,
68 				    struct ip_callchain *chain,
69 				    struct symbol **parent);
70 
71 bool perf_session__has_traces(struct perf_session *session, const char *msg);
72 
73 void perf_event__attr_swap(struct perf_event_attr *attr);
74 
75 int perf_session__create_kernel_maps(struct perf_session *session);
76 
77 void perf_session__set_id_hdr_size(struct perf_session *session);
78 
79 static inline
80 struct machine *perf_session__find_machine(struct perf_session *session, pid_t pid)
81 {
82 	return machines__find(&session->machines, pid);
83 }
84 
85 static inline
86 struct machine *perf_session__findnew_machine(struct perf_session *session, pid_t pid)
87 {
88 	return machines__findnew(&session->machines, pid);
89 }
90 
91 struct thread *perf_session__findnew(struct perf_session *session, pid_t pid);
92 size_t perf_session__fprintf(struct perf_session *session, FILE *fp);
93 
94 size_t perf_session__fprintf_dsos(struct perf_session *session, FILE *fp);
95 
96 size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp,
97 					  bool (fn)(struct dso *dso, int parm), int parm);
98 
99 size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
100 
101 struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
102 					    unsigned int type);
103 
104 void perf_evsel__print_ip(struct perf_evsel *evsel, struct perf_sample *sample,
105 			  struct addr_location *al,
106 			  unsigned int print_opts, unsigned int stack_depth);
107 
108 int perf_session__cpu_bitmap(struct perf_session *session,
109 			     const char *cpu_list, unsigned long *cpu_bitmap);
110 
111 void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
112 
113 struct perf_evsel_str_handler;
114 
115 int __perf_session__set_tracepoints_handlers(struct perf_session *session,
116 					     const struct perf_evsel_str_handler *assocs,
117 					     size_t nr_assocs);
118 
119 #define perf_session__set_tracepoints_handlers(session, array) \
120 	__perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array))
121 
122 extern volatile int session_done;
123 
124 #define session_done()	ACCESS_ONCE(session_done)
125 
126 int perf_session__deliver_synth_event(struct perf_session *session,
127 				      union perf_event *event,
128 				      struct perf_sample *sample);
129 
130 int perf_event__process_id_index(struct perf_tool *tool,
131 				 union perf_event *event,
132 				 struct perf_session *session);
133 
134 int perf_event__synthesize_id_index(struct perf_tool *tool,
135 				    perf_event__handler_t process,
136 				    struct perf_evlist *evlist,
137 				    struct machine *machine);
138 
139 #endif /* __PERF_SESSION_H */
140