xref: /openbmc/linux/tools/perf/util/session.h (revision cc9784bd)
1 #ifndef __PERF_SESSION_H
2 #define __PERF_SESSION_H
3 
4 #include "hist.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 <linux/rbtree.h>
12 #include <linux/perf_event.h>
13 
14 struct sample_queue;
15 struct ip_callchain;
16 struct thread;
17 
18 struct ordered_samples {
19 	u64			last_flush;
20 	u64			next_flush;
21 	u64			max_timestamp;
22 	struct list_head	samples;
23 	struct list_head	sample_cache;
24 	struct list_head	to_free;
25 	struct sample_queue	*sample_buffer;
26 	struct sample_queue	*last_sample;
27 	int			sample_buffer_idx;
28 	unsigned int		nr_samples;
29 };
30 
31 struct perf_session {
32 	struct perf_header	header;
33 	struct machines		machines;
34 	struct perf_evlist	*evlist;
35 	struct pevent		*pevent;
36 	struct events_stats	stats;
37 	bool			repipe;
38 	struct ordered_samples	ordered_samples;
39 	struct perf_data_file	*file;
40 };
41 
42 #define PRINT_IP_OPT_IP		(1<<0)
43 #define PRINT_IP_OPT_SYM		(1<<1)
44 #define PRINT_IP_OPT_DSO		(1<<2)
45 #define PRINT_IP_OPT_SYMOFFSET	(1<<3)
46 #define PRINT_IP_OPT_ONELINE	(1<<4)
47 
48 struct perf_tool;
49 
50 struct perf_session *perf_session__new(struct perf_data_file *file,
51 				       bool repipe, struct perf_tool *tool);
52 void perf_session__delete(struct perf_session *session);
53 
54 void perf_event_header__bswap(struct perf_event_header *self);
55 
56 int __perf_session__process_events(struct perf_session *self,
57 				   u64 data_offset, u64 data_size, u64 size,
58 				   struct perf_tool *tool);
59 int perf_session__process_events(struct perf_session *self,
60 				 struct perf_tool *tool);
61 
62 int perf_session_queue_event(struct perf_session *s, union perf_event *event,
63 			     struct perf_sample *sample, u64 file_offset);
64 
65 void perf_tool__fill_defaults(struct perf_tool *tool);
66 
67 int perf_session__resolve_callchain(struct perf_session *self, 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 *self, const char *msg);
73 
74 void mem_bswap_64(void *src, int byte_size);
75 void mem_bswap_32(void *src, int byte_size);
76 void perf_event__attr_swap(struct perf_event_attr *attr);
77 
78 int perf_session__create_kernel_maps(struct perf_session *self);
79 
80 void perf_session__set_id_hdr_size(struct perf_session *session);
81 
82 static inline
83 struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid)
84 {
85 	return machines__find(&self->machines, pid);
86 }
87 
88 static inline
89 struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid)
90 {
91 	return machines__findnew(&self->machines, pid);
92 }
93 
94 struct thread *perf_session__findnew(struct perf_session *self, pid_t pid);
95 size_t perf_session__fprintf(struct perf_session *self, FILE *fp);
96 
97 size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp);
98 
99 size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp,
100 					  bool (fn)(struct dso *dso, int parm), int parm);
101 
102 size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
103 
104 struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
105 					    unsigned int type);
106 
107 void perf_evsel__print_ip(struct perf_evsel *evsel, union perf_event *event,
108 			  struct perf_sample *sample, struct machine *machine,
109 			  unsigned int print_opts, unsigned int stack_depth);
110 
111 int perf_session__cpu_bitmap(struct perf_session *session,
112 			     const char *cpu_list, unsigned long *cpu_bitmap);
113 
114 void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
115 
116 struct perf_evsel_str_handler;
117 
118 int __perf_session__set_tracepoints_handlers(struct perf_session *session,
119 					     const struct perf_evsel_str_handler *assocs,
120 					     size_t nr_assocs);
121 
122 #define perf_session__set_tracepoints_handlers(session, array) \
123 	__perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array))
124 
125 extern volatile int session_done;
126 
127 #define session_done()	(*(volatile int *)(&session_done))
128 #endif /* __PERF_SESSION_H */
129