xref: /linux/tools/perf/util/session.h (revision d91517839e5d95adc0cf4b28caa7af62a71de526)
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 sample_queue;
16 struct ip_callchain;
17 struct thread;
18 
19 struct ordered_samples {
20 	u64			last_flush;
21 	u64			next_flush;
22 	u64			max_timestamp;
23 	struct list_head	samples;
24 	struct list_head	sample_cache;
25 	struct list_head	to_free;
26 	struct sample_queue	*sample_buffer;
27 	struct sample_queue	*last_sample;
28 	int			sample_buffer_idx;
29 	unsigned int		nr_samples;
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 	struct ordered_samples	ordered_samples;
40 	struct perf_data_file	*file;
41 };
42 
43 #define PRINT_IP_OPT_IP		(1<<0)
44 #define PRINT_IP_OPT_SYM		(1<<1)
45 #define PRINT_IP_OPT_DSO		(1<<2)
46 #define PRINT_IP_OPT_SYMOFFSET	(1<<3)
47 #define PRINT_IP_OPT_ONELINE	(1<<4)
48 #define PRINT_IP_OPT_SRCLINE	(1<<5)
49 
50 struct perf_tool;
51 
52 struct perf_session *perf_session__new(struct perf_data_file *file,
53 				       bool repipe, struct perf_tool *tool);
54 void perf_session__delete(struct perf_session *session);
55 
56 void perf_event_header__bswap(struct perf_event_header *hdr);
57 
58 int __perf_session__process_events(struct perf_session *session,
59 				   u64 data_offset, u64 data_size, u64 size,
60 				   struct perf_tool *tool);
61 int perf_session__process_events(struct perf_session *session,
62 				 struct perf_tool *tool);
63 
64 int perf_session_queue_event(struct perf_session *s, union perf_event *event,
65 			     struct perf_sample *sample, u64 file_offset);
66 
67 void perf_tool__fill_defaults(struct perf_tool *tool);
68 
69 int perf_session__resolve_callchain(struct perf_session *session,
70 				    struct perf_evsel *evsel,
71 				    struct thread *thread,
72 				    struct ip_callchain *chain,
73 				    struct symbol **parent);
74 
75 bool perf_session__has_traces(struct perf_session *session, const char *msg);
76 
77 void perf_event__attr_swap(struct perf_event_attr *attr);
78 
79 int perf_session__create_kernel_maps(struct perf_session *session);
80 
81 void perf_session__set_id_hdr_size(struct perf_session *session);
82 
83 static inline
84 struct machine *perf_session__find_machine(struct perf_session *session, pid_t pid)
85 {
86 	return machines__find(&session->machines, pid);
87 }
88 
89 static inline
90 struct machine *perf_session__findnew_machine(struct perf_session *session, pid_t pid)
91 {
92 	return machines__findnew(&session->machines, pid);
93 }
94 
95 struct thread *perf_session__findnew(struct perf_session *session, pid_t pid);
96 size_t perf_session__fprintf(struct perf_session *session, FILE *fp);
97 
98 size_t perf_session__fprintf_dsos(struct perf_session *session, FILE *fp);
99 
100 size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp,
101 					  bool (fn)(struct dso *dso, int parm), int parm);
102 
103 size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
104 
105 struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
106 					    unsigned int type);
107 
108 void perf_evsel__print_ip(struct perf_evsel *evsel, struct perf_sample *sample,
109 			  struct addr_location *al,
110 			  unsigned int print_opts, unsigned int stack_depth);
111 
112 int perf_session__cpu_bitmap(struct perf_session *session,
113 			     const char *cpu_list, unsigned long *cpu_bitmap);
114 
115 void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
116 
117 struct perf_evsel_str_handler;
118 
119 int __perf_session__set_tracepoints_handlers(struct perf_session *session,
120 					     const struct perf_evsel_str_handler *assocs,
121 					     size_t nr_assocs);
122 
123 #define perf_session__set_tracepoints_handlers(session, array) \
124 	__perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array))
125 
126 extern volatile int session_done;
127 
128 #define session_done()	(*(volatile int *)(&session_done))
129 #endif /* __PERF_SESSION_H */
130