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
12 struct sample_queue;
13 struct ip_callchain;
14 struct thread;
15
16 struct 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 unsigned int nr_samples;
27 };
28
29 struct perf_session {
30 struct perf_header header;
31 unsigned long size;
32 unsigned long mmap_window;
33 struct machine host_machine;
34 struct rb_root machines;
35 struct perf_evlist *evlist;
36 /*
37 * FIXME: Need to split this up further, we need global
38 * stats + per event stats. 'perf diff' also needs
39 * to properly support multiple events in a single
40 * perf.data file.
41 */
42 struct hists hists;
43 u64 sample_type;
44 int sample_size;
45 int fd;
46 bool fd_pipe;
47 bool repipe;
48 bool sample_id_all;
49 u16 id_hdr_size;
50 int cwdlen;
51 char *cwd;
52 struct ordered_samples ordered_samples;
53 char filename[1];
54 };
55
56 struct perf_tool;
57
58 struct perf_session *perf_session__new(const char *filename, int mode,
59 bool force, bool repipe,
60 struct perf_tool *tool);
61 void perf_session__delete(struct perf_session *self);
62
63 void perf_event_header__bswap(struct perf_event_header *self);
64
65 int __perf_session__process_events(struct perf_session *self,
66 u64 data_offset, u64 data_size, u64 size,
67 struct perf_tool *tool);
68 int perf_session__process_events(struct perf_session *self,
69 struct perf_tool *tool);
70
71 int perf_session__resolve_callchain(struct perf_session *self, struct perf_evsel *evsel,
72 struct thread *thread,
73 struct ip_callchain *chain,
74 struct symbol **parent);
75
76 struct branch_info *machine__resolve_bstack(struct machine *self,
77 struct thread *thread,
78 struct branch_stack *bs);
79
80 bool perf_session__has_traces(struct perf_session *self, const char *msg);
81
82 void mem_bswap_64(void *src, int byte_size);
83 void perf_event__attr_swap(struct perf_event_attr *attr);
84
85 int perf_session__create_kernel_maps(struct perf_session *self);
86
87 void perf_session__update_sample_type(struct perf_session *self);
88 void perf_session__remove_thread(struct perf_session *self, struct thread *th);
89
90 static inline
perf_session__find_host_machine(struct perf_session * self)91 struct machine *perf_session__find_host_machine(struct perf_session *self)
92 {
93 return &self->host_machine;
94 }
95
96 static inline
perf_session__find_machine(struct perf_session * self,pid_t pid)97 struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid)
98 {
99 if (pid == HOST_KERNEL_ID)
100 return &self->host_machine;
101 return machines__find(&self->machines, pid);
102 }
103
104 static inline
perf_session__findnew_machine(struct perf_session * self,pid_t pid)105 struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid)
106 {
107 if (pid == HOST_KERNEL_ID)
108 return &self->host_machine;
109 return machines__findnew(&self->machines, pid);
110 }
111
112 static inline
perf_session__process_machines(struct perf_session * self,struct perf_tool * tool,machine__process_t process)113 void perf_session__process_machines(struct perf_session *self,
114 struct perf_tool *tool,
115 machine__process_t process)
116 {
117 process(&self->host_machine, tool);
118 return machines__process(&self->machines, process, tool);
119 }
120
121 struct thread *perf_session__findnew(struct perf_session *self, pid_t pid);
122 size_t perf_session__fprintf(struct perf_session *self, FILE *fp);
123
124 size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp);
125
126 size_t perf_session__fprintf_dsos_buildid(struct perf_session *self,
127 FILE *fp, bool with_hits);
128
129 size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
130
perf_session__parse_sample(struct perf_session * session,const union perf_event * event,struct perf_sample * sample)131 static inline int perf_session__parse_sample(struct perf_session *session,
132 const union perf_event *event,
133 struct perf_sample *sample)
134 {
135 return perf_event__parse_sample(event, session->sample_type,
136 session->sample_size,
137 session->sample_id_all, sample,
138 session->header.needs_swap);
139 }
140
perf_session__synthesize_sample(struct perf_session * session,union perf_event * event,const struct perf_sample * sample)141 static inline int perf_session__synthesize_sample(struct perf_session *session,
142 union perf_event *event,
143 const struct perf_sample *sample)
144 {
145 return perf_event__synthesize_sample(event, session->sample_type,
146 sample, session->header.needs_swap);
147 }
148
149 struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
150 unsigned int type);
151
152 void perf_event__print_ip(union perf_event *event, struct perf_sample *sample,
153 struct machine *machine, struct perf_evsel *evsel,
154 int print_sym, int print_dso, int print_symoffset);
155
156 int perf_session__cpu_bitmap(struct perf_session *session,
157 const char *cpu_list, unsigned long *cpu_bitmap);
158
159 void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
160 #endif /* __PERF_SESSION_H */
161