perf tools: Kill event_t typedef, use 'union perf_event' instead
[linux-2.6.git] / tools / perf / util / session.h
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 };
27
28 struct 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 rb_root          hists_tree;
38         /*
39          * FIXME: should point to the first entry in hists_tree and
40          *        be a hists instance. Right now its only 'report'
41          *        that is using ->hists_tree while all the rest use
42          *        ->hists.
43          */
44         struct hists            hists;
45         u64                     sample_type;
46         int                     fd;
47         bool                    fd_pipe;
48         bool                    repipe;
49         bool                    sample_id_all;
50         u16                     id_hdr_size;
51         int                     cwdlen;
52         char                    *cwd;
53         struct ordered_samples  ordered_samples;
54         struct callchain_cursor callchain_cursor;
55         char                    filename[0];
56 };
57
58 struct perf_event_ops;
59
60 typedef int (*event_op)(union perf_event *self, struct perf_sample *sample,
61                         struct perf_session *session);
62 typedef int (*event_synth_op)(union perf_event *self,
63                               struct perf_session *session);
64 typedef int (*event_op2)(union perf_event *self, struct perf_session *session,
65                          struct perf_event_ops *ops);
66
67 struct perf_event_ops {
68         event_op        sample,
69                         mmap,
70                         comm,
71                         fork,
72                         exit,
73                         lost,
74                         read,
75                         throttle,
76                         unthrottle;
77         event_synth_op  attr,
78                         event_type,
79                         tracing_data,
80                         build_id;
81         event_op2       finished_round;
82         bool            ordered_samples;
83         bool            ordering_requires_timestamps;
84 };
85
86 struct perf_session *perf_session__new(const char *filename, int mode,
87                                        bool force, bool repipe,
88                                        struct perf_event_ops *ops);
89 void perf_session__delete(struct perf_session *self);
90
91 void perf_event_header__bswap(struct perf_event_header *self);
92
93 int __perf_session__process_events(struct perf_session *self,
94                                    u64 data_offset, u64 data_size, u64 size,
95                                    struct perf_event_ops *ops);
96 int perf_session__process_events(struct perf_session *self,
97                                  struct perf_event_ops *event_ops);
98
99 int perf_session__resolve_callchain(struct perf_session *self,
100                                     struct thread *thread,
101                                     struct ip_callchain *chain,
102                                     struct symbol **parent);
103
104 bool perf_session__has_traces(struct perf_session *self, const char *msg);
105
106 int perf_session__set_kallsyms_ref_reloc_sym(struct map **maps,
107                                              const char *symbol_name,
108                                              u64 addr);
109
110 void mem_bswap_64(void *src, int byte_size);
111
112 int perf_session__create_kernel_maps(struct perf_session *self);
113
114 void perf_session__update_sample_type(struct perf_session *self);
115 void perf_session__set_sample_id_all(struct perf_session *session, bool value);
116 void perf_session__set_sample_type(struct perf_session *session, u64 type);
117 void perf_session__remove_thread(struct perf_session *self, struct thread *th);
118
119 static inline
120 struct machine *perf_session__find_host_machine(struct perf_session *self)
121 {
122         return &self->host_machine;
123 }
124
125 static inline
126 struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid)
127 {
128         if (pid == HOST_KERNEL_ID)
129                 return &self->host_machine;
130         return machines__find(&self->machines, pid);
131 }
132
133 static inline
134 struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid)
135 {
136         if (pid == HOST_KERNEL_ID)
137                 return &self->host_machine;
138         return machines__findnew(&self->machines, pid);
139 }
140
141 static inline
142 void perf_session__process_machines(struct perf_session *self,
143                                     machine__process_t process)
144 {
145         process(&self->host_machine, self);
146         return machines__process(&self->machines, process, self);
147 }
148
149 size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp);
150
151 size_t perf_session__fprintf_dsos_buildid(struct perf_session *self,
152                                           FILE *fp, bool with_hits);
153
154 static inline
155 size_t perf_session__fprintf_nr_events(struct perf_session *self, FILE *fp)
156 {
157         return hists__fprintf_nr_events(&self->hists, fp);
158 }
159
160 static inline int perf_session__parse_sample(struct perf_session *session,
161                                              const union perf_event *event,
162                                              struct perf_sample *sample)
163 {
164         return perf_event__parse_sample(event, session->sample_type,
165                                         session->sample_id_all, sample);
166 }
167
168 #endif /* __PERF_SESSION_H */