xref: /openbmc/linux/tools/perf/util/session.h (revision fc12482f)
1 #ifndef __PERF_SESSION_H
2 #define __PERF_SESSION_H
3 
4 #include "trace-event.h"
5 #include "hist.h"
6 #include "event.h"
7 #include "header.h"
8 #include "machine.h"
9 #include "symbol.h"
10 #include "thread.h"
11 #include "data.h"
12 #include <linux/rbtree.h>
13 #include <linux/perf_event.h>
14 
15 struct ordered_event;
16 struct ip_callchain;
17 struct thread;
18 
19 struct ordered_events {
20 	u64			last_flush;
21 	u64			next_flush;
22 	u64			max_timestamp;
23 	struct list_head	events;
24 	struct list_head	cache;
25 	struct list_head	to_free;
26 	struct ordered_event	*buffer;
27 	struct ordered_event	*last;
28 	int			buffer_idx;
29 	unsigned int		nr_events;
30 };
31 
32 struct perf_session {
33 	struct perf_header	header;
34 	struct machines		machines;
35 	struct perf_evlist	*evlist;
36 	struct trace_event	tevent;
37 	struct events_stats	stats;
38 	bool			repipe;
39 	bool			one_mmap;
40 	void			*one_mmap_addr;
41 	u64			one_mmap_offset;
42 	struct ordered_events	ordered_events;
43 	struct perf_data_file	*file;
44 };
45 
46 #define PRINT_IP_OPT_IP		(1<<0)
47 #define PRINT_IP_OPT_SYM		(1<<1)
48 #define PRINT_IP_OPT_DSO		(1<<2)
49 #define PRINT_IP_OPT_SYMOFFSET	(1<<3)
50 #define PRINT_IP_OPT_ONELINE	(1<<4)
51 #define PRINT_IP_OPT_SRCLINE	(1<<5)
52 
53 struct perf_tool;
54 
55 struct perf_session *perf_session__new(struct perf_data_file *file,
56 				       bool repipe, struct perf_tool *tool);
57 void perf_session__delete(struct perf_session *session);
58 
59 void perf_event_header__bswap(struct perf_event_header *hdr);
60 
61 int __perf_session__process_events(struct perf_session *session,
62 				   u64 data_offset, u64 data_size, u64 size,
63 				   struct perf_tool *tool);
64 int perf_session__process_events(struct perf_session *session,
65 				 struct perf_tool *tool);
66 
67 int perf_session_queue_event(struct perf_session *s, union perf_event *event,
68 			     struct perf_sample *sample, u64 file_offset);
69 
70 void perf_tool__fill_defaults(struct perf_tool *tool);
71 
72 int perf_session__resolve_callchain(struct perf_session *session,
73 				    struct perf_evsel *evsel,
74 				    struct thread *thread,
75 				    struct ip_callchain *chain,
76 				    struct symbol **parent);
77 
78 bool perf_session__has_traces(struct perf_session *session, const char *msg);
79 
80 void perf_event__attr_swap(struct perf_event_attr *attr);
81 
82 int perf_session__create_kernel_maps(struct perf_session *session);
83 
84 void perf_session__set_id_hdr_size(struct perf_session *session);
85 
86 static inline
87 struct machine *perf_session__find_machine(struct perf_session *session, pid_t pid)
88 {
89 	return machines__find(&session->machines, pid);
90 }
91 
92 static inline
93 struct machine *perf_session__findnew_machine(struct perf_session *session, pid_t pid)
94 {
95 	return machines__findnew(&session->machines, pid);
96 }
97 
98 struct thread *perf_session__findnew(struct perf_session *session, pid_t pid);
99 size_t perf_session__fprintf(struct perf_session *session, FILE *fp);
100 
101 size_t perf_session__fprintf_dsos(struct perf_session *session, FILE *fp);
102 
103 size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp,
104 					  bool (fn)(struct dso *dso, int parm), int parm);
105 
106 size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
107 
108 struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
109 					    unsigned int type);
110 
111 void perf_evsel__print_ip(struct perf_evsel *evsel, struct perf_sample *sample,
112 			  struct addr_location *al,
113 			  unsigned int print_opts, unsigned int stack_depth);
114 
115 int perf_session__cpu_bitmap(struct perf_session *session,
116 			     const char *cpu_list, unsigned long *cpu_bitmap);
117 
118 void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
119 
120 struct perf_evsel_str_handler;
121 
122 int __perf_session__set_tracepoints_handlers(struct perf_session *session,
123 					     const struct perf_evsel_str_handler *assocs,
124 					     size_t nr_assocs);
125 
126 #define perf_session__set_tracepoints_handlers(session, array) \
127 	__perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array))
128 
129 extern volatile int session_done;
130 
131 #define session_done()	(*(volatile int *)(&session_done))
132 #endif /* __PERF_SESSION_H */
133