1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | #ifndef __PERF_SESSION_H |
3 | #define __PERF_SESSION_H |
4 | |
5 | #include "trace-event.h" |
6 | #include "event.h" |
7 | #include "header.h" |
8 | #include "machine.h" |
9 | #include "data.h" |
10 | #include "ordered-events.h" |
11 | #include "util/compress.h" |
12 | #include <linux/kernel.h> |
13 | #include <linux/rbtree.h> |
14 | #include <linux/perf_event.h> |
15 | |
16 | struct ip_callchain; |
17 | struct symbol; |
18 | struct thread; |
19 | |
20 | struct auxtrace; |
21 | struct itrace_synth_opts; |
22 | |
23 | struct decomp_data { |
24 | struct decomp *decomp; |
25 | struct decomp *decomp_last; |
26 | struct zstd_data *zstd_decomp; |
27 | }; |
28 | |
29 | struct perf_session { |
30 | struct perf_header ; |
31 | struct machines machines; |
32 | struct evlist *evlist; |
33 | struct auxtrace *auxtrace; |
34 | struct itrace_synth_opts *itrace_synth_opts; |
35 | struct list_head auxtrace_index; |
36 | #ifdef HAVE_LIBTRACEEVENT |
37 | struct trace_event tevent; |
38 | #endif |
39 | struct perf_record_time_conv time_conv; |
40 | bool repipe; |
41 | bool one_mmap; |
42 | void *one_mmap_addr; |
43 | u64 one_mmap_offset; |
44 | struct ordered_events ordered_events; |
45 | struct perf_data *data; |
46 | struct perf_tool *tool; |
47 | u64 bytes_transferred; |
48 | u64 bytes_compressed; |
49 | struct zstd_data zstd_data; |
50 | struct decomp_data decomp_data; |
51 | struct decomp_data *active_decomp; |
52 | }; |
53 | |
54 | struct decomp { |
55 | struct decomp *next; |
56 | u64 file_pos; |
57 | const char *file_path; |
58 | size_t mmap_len; |
59 | u64 head; |
60 | size_t size; |
61 | char data[]; |
62 | }; |
63 | |
64 | struct perf_tool; |
65 | |
66 | struct perf_session *__perf_session__new(struct perf_data *data, |
67 | bool repipe, int repipe_fd, |
68 | struct perf_tool *tool); |
69 | |
70 | static inline struct perf_session *perf_session__new(struct perf_data *data, |
71 | struct perf_tool *tool) |
72 | { |
73 | return __perf_session__new(data, repipe: false, repipe_fd: -1, tool); |
74 | } |
75 | |
76 | void perf_session__delete(struct perf_session *session); |
77 | |
78 | void (struct perf_event_header *hdr); |
79 | |
80 | int perf_session__peek_event(struct perf_session *session, off_t file_offset, |
81 | void *buf, size_t buf_sz, |
82 | union perf_event **event_ptr, |
83 | struct perf_sample *sample); |
84 | typedef int (*peek_events_cb_t)(struct perf_session *session, |
85 | union perf_event *event, u64 offset, |
86 | void *data); |
87 | int perf_session__peek_events(struct perf_session *session, u64 offset, |
88 | u64 size, peek_events_cb_t cb, void *data); |
89 | |
90 | int perf_session__process_events(struct perf_session *session); |
91 | |
92 | int perf_session__queue_event(struct perf_session *s, union perf_event *event, |
93 | u64 timestamp, u64 file_offset, const char *file_path); |
94 | |
95 | void perf_tool__fill_defaults(struct perf_tool *tool); |
96 | |
97 | int perf_session__resolve_callchain(struct perf_session *session, |
98 | struct evsel *evsel, |
99 | struct thread *thread, |
100 | struct ip_callchain *chain, |
101 | struct symbol **parent); |
102 | |
103 | bool perf_session__has_traces(struct perf_session *session, const char *msg); |
104 | |
105 | void perf_event__attr_swap(struct perf_event_attr *attr); |
106 | |
107 | int perf_session__create_kernel_maps(struct perf_session *session); |
108 | |
109 | void perf_session__set_id_hdr_size(struct perf_session *session); |
110 | |
111 | static inline |
112 | struct machine *perf_session__find_machine(struct perf_session *session, pid_t pid) |
113 | { |
114 | return machines__find(machines: &session->machines, pid); |
115 | } |
116 | |
117 | static inline |
118 | struct machine *perf_session__findnew_machine(struct perf_session *session, pid_t pid) |
119 | { |
120 | return machines__findnew(machines: &session->machines, pid); |
121 | } |
122 | |
123 | struct thread *perf_session__findnew(struct perf_session *session, pid_t pid); |
124 | int perf_session__register_idle_thread(struct perf_session *session); |
125 | |
126 | size_t perf_session__fprintf(struct perf_session *session, FILE *fp); |
127 | |
128 | size_t perf_session__fprintf_dsos(struct perf_session *session, FILE *fp); |
129 | |
130 | size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp, |
131 | bool (fn)(struct dso *dso, int parm), int parm); |
132 | |
133 | size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp, |
134 | bool skip_empty); |
135 | |
136 | struct evsel *perf_session__find_first_evtype(struct perf_session *session, |
137 | unsigned int type); |
138 | |
139 | int perf_session__cpu_bitmap(struct perf_session *session, |
140 | const char *cpu_list, unsigned long *cpu_bitmap); |
141 | |
142 | void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full); |
143 | |
144 | struct evsel_str_handler; |
145 | |
146 | #define perf_session__set_tracepoints_handlers(session, array) \ |
147 | __evlist__set_tracepoints_handlers(session->evlist, array, ARRAY_SIZE(array)) |
148 | |
149 | extern volatile int session_done; |
150 | |
151 | #define session_done() READ_ONCE(session_done) |
152 | |
153 | int perf_session__deliver_synth_event(struct perf_session *session, |
154 | union perf_event *event, |
155 | struct perf_sample *sample); |
156 | |
157 | int perf_event__process_id_index(struct perf_session *session, |
158 | union perf_event *event); |
159 | |
160 | int perf_event__process_finished_round(struct perf_tool *tool, |
161 | union perf_event *event, |
162 | struct ordered_events *oe); |
163 | |
164 | #endif /* __PERF_SESSION_H */ |
165 | |