perf tools: Fix mmap limitations on 32-bit
[~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         struct machine          host_machine;
34         struct rb_root          machines;
35         struct perf_evlist      *evlist;
36         struct pevent           *pevent;
37         /*
38          * FIXME: Need to split this up further, we need global
39          *        stats + per event stats.
40          */
41         struct hists            hists;
42         int                     fd;
43         bool                    fd_pipe;
44         bool                    repipe;
45         int                     cwdlen;
46         char                    *cwd;
47         struct ordered_samples  ordered_samples;
48         char                    filename[1];
49 };
50
51 struct perf_tool;
52
53 struct perf_session *perf_session__new(const char *filename, int mode,
54                                        bool force, bool repipe,
55                                        struct perf_tool *tool);
56 void perf_session__delete(struct perf_session *self);
57
58 void perf_event_header__bswap(struct perf_event_header *self);
59
60 int __perf_session__process_events(struct perf_session *self,
61                                    u64 data_offset, u64 data_size, u64 size,
62                                    struct perf_tool *tool);
63 int perf_session__process_events(struct perf_session *self,
64                                  struct perf_tool *tool);
65
66 int perf_session__resolve_callchain(struct perf_session *self, struct perf_evsel *evsel,
67                                     struct thread *thread,
68                                     struct ip_callchain *chain,
69                                     struct symbol **parent);
70
71 bool perf_session__has_traces(struct perf_session *self, const char *msg);
72
73 void mem_bswap_64(void *src, int byte_size);
74 void mem_bswap_32(void *src, int byte_size);
75 void perf_event__attr_swap(struct perf_event_attr *attr);
76
77 int perf_session__create_kernel_maps(struct perf_session *self);
78
79 void perf_session__set_id_hdr_size(struct perf_session *session);
80 void perf_session__remove_thread(struct perf_session *self, struct thread *th);
81
82 static inline
83 struct machine *perf_session__find_host_machine(struct perf_session *self)
84 {
85         return &self->host_machine;
86 }
87
88 static inline
89 struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid)
90 {
91         if (pid == HOST_KERNEL_ID)
92                 return &self->host_machine;
93         return machines__find(&self->machines, pid);
94 }
95
96 static inline
97 struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid)
98 {
99         if (pid == HOST_KERNEL_ID)
100                 return &self->host_machine;
101         return machines__findnew(&self->machines, pid);
102 }
103
104 static inline
105 void perf_session__process_machines(struct perf_session *self,
106                                     struct perf_tool *tool,
107                                     machine__process_t process)
108 {
109         process(&self->host_machine, tool);
110         return machines__process(&self->machines, process, tool);
111 }
112
113 struct thread *perf_session__findnew(struct perf_session *self, pid_t pid);
114 size_t perf_session__fprintf(struct perf_session *self, FILE *fp);
115
116 size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp);
117
118 size_t perf_session__fprintf_dsos_buildid(struct perf_session *self,
119                                           FILE *fp, bool with_hits);
120
121 size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
122
123 struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
124                                             unsigned int type);
125
126 void perf_evsel__print_ip(struct perf_evsel *evsel, union perf_event *event,
127                           struct perf_sample *sample, struct machine *machine,
128                           int print_sym, int print_dso, int print_symoffset);
129
130 int perf_session__cpu_bitmap(struct perf_session *session,
131                              const char *cpu_list, unsigned long *cpu_bitmap);
132
133 void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
134
135 struct perf_evsel_str_handler;
136
137 int __perf_session__set_tracepoints_handlers(struct perf_session *session,
138                                              const struct perf_evsel_str_handler *assocs,
139                                              size_t nr_assocs);
140
141 #define perf_session__set_tracepoints_handlers(session, array) \
142         __perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array))
143 #endif /* __PERF_SESSION_H */