cea133a6bdf1fd54061a3be27927fc32d3996184
[~shefty/rdma-dev.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 "machine.h"
8 #include "symbol.h"
9 #include "thread.h"
10 #include <linux/rbtree.h>
11 #include <linux/perf_event.h>
12
13 struct sample_queue;
14 struct ip_callchain;
15 struct thread;
16
17 struct ordered_samples {
18         u64                     last_flush;
19         u64                     next_flush;
20         u64                     max_timestamp;
21         struct list_head        samples;
22         struct list_head        sample_cache;
23         struct list_head        to_free;
24         struct sample_queue     *sample_buffer;
25         struct sample_queue     *last_sample;
26         int                     sample_buffer_idx;
27         unsigned int            nr_samples;
28 };
29
30 struct perf_session {
31         struct perf_header      header;
32         unsigned long           size;
33         unsigned long           mmap_window;
34         struct machine          host_machine;
35         struct rb_root          machines;
36         struct perf_evlist      *evlist;
37         struct pevent           *pevent;
38         /*
39          * FIXME: Need to split this up further, we need global
40          *        stats + per event stats.
41          */
42         struct hists            hists;
43         int                     fd;
44         bool                    fd_pipe;
45         bool                    repipe;
46         int                     cwdlen;
47         char                    *cwd;
48         struct ordered_samples  ordered_samples;
49         char                    filename[1];
50 };
51
52 struct perf_tool;
53
54 struct perf_session *perf_session__new(const char *filename, int mode,
55                                        bool force, bool repipe,
56                                        struct perf_tool *tool);
57 void perf_session__delete(struct perf_session *self);
58
59 void perf_event_header__bswap(struct perf_event_header *self);
60
61 int __perf_session__process_events(struct perf_session *self,
62                                    u64 data_offset, u64 data_size, u64 size,
63                                    struct perf_tool *tool);
64 int perf_session__process_events(struct perf_session *self,
65                                  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 void perf_session__remove_thread(struct perf_session *self, struct thread *th);
82
83 static inline
84 struct machine *perf_session__find_host_machine(struct perf_session *self)
85 {
86         return &self->host_machine;
87 }
88
89 static inline
90 struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid)
91 {
92         if (pid == HOST_KERNEL_ID)
93                 return &self->host_machine;
94         return machines__find(&self->machines, pid);
95 }
96
97 static inline
98 struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid)
99 {
100         if (pid == HOST_KERNEL_ID)
101                 return &self->host_machine;
102         return machines__findnew(&self->machines, pid);
103 }
104
105 static inline
106 void perf_session__process_machines(struct perf_session *self,
107                                     struct perf_tool *tool,
108                                     machine__process_t process)
109 {
110         process(&self->host_machine, tool);
111         return machines__process(&self->machines, process, tool);
112 }
113
114 struct thread *perf_session__findnew(struct perf_session *self, pid_t pid);
115 size_t perf_session__fprintf(struct perf_session *self, FILE *fp);
116
117 size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp);
118
119 size_t perf_session__fprintf_dsos_buildid(struct perf_session *self,
120                                           FILE *fp, bool with_hits);
121
122 size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
123
124 struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
125                                             unsigned int type);
126
127 void perf_evsel__print_ip(struct perf_evsel *evsel, union perf_event *event,
128                           struct perf_sample *sample, struct machine *machine,
129                           int print_sym, int print_dso, int print_symoffset);
130
131 int perf_session__cpu_bitmap(struct perf_session *session,
132                              const char *cpu_list, unsigned long *cpu_bitmap);
133
134 void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
135
136 struct perf_evsel_str_handler;
137
138 int __perf_session__set_tracepoints_handlers(struct perf_session *session,
139                                              const struct perf_evsel_str_handler *assocs,
140                                              size_t nr_assocs);
141
142 #define perf_session__set_tracepoints_handlers(session, array) \
143         __perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array))
144 #endif /* __PERF_SESSION_H */