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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 "symbol.h"
8#include "thread.h"
9#include <linux/rbtree.h>
10#include "../../../include/linux/perf_event.h"
11
12struct sample_queue;
13struct ip_callchain;
14struct thread;
15
16struct ordered_samples {
17 u64 last_flush;
18 u64 next_flush;
19 u64 max_timestamp;
20 struct list_head samples;
21 struct list_head sample_cache;
22 struct list_head to_free;
23 struct sample_queue *sample_buffer;
24 struct sample_queue *last_sample;
25 int sample_buffer_idx;
26};
27
28struct perf_session {
29 struct perf_header header;
30 unsigned long size;
31 unsigned long mmap_window;
32 struct rb_root threads;
33 struct list_head dead_threads;
34 struct thread *last_match;
35 struct machine host_machine;
36 struct rb_root machines;
37 struct perf_evlist *evlist;
38 /*
39 * FIXME: Need to split this up further, we need global
40 * stats + per event stats. 'perf diff' also needs
41 * to properly support multiple events in a single
42 * perf.data file.
43 */
44 struct hists hists;
45 u64 sample_type;
46 int sample_size;
47 int fd;
48 bool fd_pipe;
49 bool repipe;
50 bool sample_id_all;
51 u16 id_hdr_size;
52 int cwdlen;
53 char *cwd;
54 struct ordered_samples ordered_samples;
55 struct callchain_cursor callchain_cursor;
56 char filename[0];
57};
58
59struct perf_evsel;
60struct perf_event_ops;
61
62typedef int (*event_sample)(union perf_event *event, struct perf_sample *sample,
63 struct perf_evsel *evsel, struct perf_session *session);
64typedef int (*event_op)(union perf_event *self, struct perf_sample *sample,
65 struct perf_session *session);
66typedef int (*event_synth_op)(union perf_event *self,
67 struct perf_session *session);
68typedef int (*event_op2)(union perf_event *self, struct perf_session *session,
69 struct perf_event_ops *ops);
70
71struct perf_event_ops {
72 event_sample sample;
73 event_op mmap,
74 comm,
75 fork,
76 exit,
77 lost,
78 read,
79 throttle,
80 unthrottle;
81 event_synth_op attr,
82 event_type,
83 tracing_data,
84 build_id;
85 event_op2 finished_round;
86 bool ordered_samples;
87 bool ordering_requires_timestamps;
88};
89
90struct perf_session *perf_session__new(const char *filename, int mode,
91 bool force, bool repipe,
92 struct perf_event_ops *ops);
93void perf_session__delete(struct perf_session *self);
94
95void perf_event_header__bswap(struct perf_event_header *self);
96
97int __perf_session__process_events(struct perf_session *self,
98 u64 data_offset, u64 data_size, u64 size,
99 struct perf_event_ops *ops);
100int perf_session__process_events(struct perf_session *self,
101 struct perf_event_ops *event_ops);
102
103int perf_session__resolve_callchain(struct perf_session *self,
104 struct thread *thread,
105 struct ip_callchain *chain,
106 struct symbol **parent);
107
108bool perf_session__has_traces(struct perf_session *self, const char *msg);
109
110int perf_session__set_kallsyms_ref_reloc_sym(struct map **maps,
111 const char *symbol_name,
112 u64 addr);
113
114void mem_bswap_64(void *src, int byte_size);
115void perf_event__attr_swap(struct perf_event_attr *attr);
116
117int perf_session__create_kernel_maps(struct perf_session *self);
118
119void perf_session__update_sample_type(struct perf_session *self);
120void perf_session__remove_thread(struct perf_session *self, struct thread *th);
121
122static inline
123struct machine *perf_session__find_host_machine(struct perf_session *self)
124{
125 return &self->host_machine;
126}
127
128static inline
129struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid)
130{
131 if (pid == HOST_KERNEL_ID)
132 return &self->host_machine;
133 return machines__find(&self->machines, pid);
134}
135
136static inline
137struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid)
138{
139 if (pid == HOST_KERNEL_ID)
140 return &self->host_machine;
141 return machines__findnew(&self->machines, pid);
142}
143
144static inline
145void perf_session__process_machines(struct perf_session *self,
146 machine__process_t process)
147{
148 process(&self->host_machine, self);
149 return machines__process(&self->machines, process, self);
150}
151
152size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp);
153
154size_t perf_session__fprintf_dsos_buildid(struct perf_session *self,
155 FILE *fp, bool with_hits);
156
157size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
158
159static inline int perf_session__parse_sample(struct perf_session *session,
160 const union perf_event *event,
161 struct perf_sample *sample)
162{
163 return perf_event__parse_sample(event, session->sample_type,
164 session->sample_size,
165 session->sample_id_all, sample,
166 session->header.needs_swap);
167}
168
169struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
170 unsigned int type);
171
172void perf_session__print_ip(union perf_event *event,
173 struct perf_sample *sample,
174 struct perf_session *session,
175 int print_sym, int print_dso);
176
177int perf_session__cpu_bitmap(struct perf_session *session,
178 const char *cpu_list, unsigned long *cpu_bitmap);
179
180#endif /* __PERF_SESSION_H */
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
15struct ip_callchain;
16struct thread;
17
18struct auxtrace;
19struct itrace_synth_opts;
20
21struct 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
45struct perf_tool;
46
47struct perf_session *perf_session__new(struct perf_data_file *file,
48 bool repipe, struct perf_tool *tool);
49void perf_session__delete(struct perf_session *session);
50
51void perf_event_header__bswap(struct perf_event_header *hdr);
52
53int 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
58int perf_session__process_events(struct perf_session *session);
59
60int perf_session__queue_event(struct perf_session *s, union perf_event *event,
61 struct perf_sample *sample, u64 file_offset);
62
63void perf_tool__fill_defaults(struct perf_tool *tool);
64
65int 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
71bool perf_session__has_traces(struct perf_session *session, const char *msg);
72
73void perf_event__attr_swap(struct perf_event_attr *attr);
74
75int perf_session__create_kernel_maps(struct perf_session *session);
76
77void perf_session__set_id_hdr_size(struct perf_session *session);
78
79static inline
80struct machine *perf_session__find_machine(struct perf_session *session, pid_t pid)
81{
82 return machines__find(&session->machines, pid);
83}
84
85static inline
86struct machine *perf_session__findnew_machine(struct perf_session *session, pid_t pid)
87{
88 return machines__findnew(&session->machines, pid);
89}
90
91struct thread *perf_session__findnew(struct perf_session *session, pid_t pid);
92int perf_session__register_idle_thread(struct perf_session *session);
93
94size_t perf_session__fprintf(struct perf_session *session, FILE *fp);
95
96size_t perf_session__fprintf_dsos(struct perf_session *session, FILE *fp);
97
98size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp,
99 bool (fn)(struct dso *dso, int parm), int parm);
100
101size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
102
103struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
104 unsigned int type);
105
106void perf_evsel__print_ip(struct perf_evsel *evsel, struct perf_sample *sample,
107 struct addr_location *al,
108 unsigned int print_opts, unsigned int stack_depth);
109
110int perf_session__cpu_bitmap(struct perf_session *session,
111 const char *cpu_list, unsigned long *cpu_bitmap);
112
113void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
114
115struct perf_evsel_str_handler;
116
117int __perf_session__set_tracepoints_handlers(struct perf_session *session,
118 const struct perf_evsel_str_handler *assocs,
119 size_t nr_assocs);
120
121#define perf_session__set_tracepoints_handlers(session, array) \
122 __perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array))
123
124extern volatile int session_done;
125
126#define session_done() ACCESS_ONCE(session_done)
127
128int perf_session__deliver_synth_event(struct perf_session *session,
129 union perf_event *event,
130 struct perf_sample *sample);
131
132int perf_event__process_id_index(struct perf_tool *tool,
133 union perf_event *event,
134 struct perf_session *session);
135
136int perf_event__synthesize_id_index(struct perf_tool *tool,
137 perf_event__handler_t process,
138 struct perf_evlist *evlist,
139 struct machine *machine);
140
141#endif /* __PERF_SESSION_H */