1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __PERF_SYNTHETIC_EVENTS_H
3 #define __PERF_SYNTHETIC_EVENTS_H
4
5 #include <stdbool.h>
6 #include <sys/types.h> // pid_t
7 #include <linux/compiler.h>
8 #include <linux/types.h>
9
10 struct auxtrace_record;
11 struct dso;
12 struct evlist;
13 struct evsel;
14 struct machine;
15 struct perf_counts_values;
16 struct perf_cpu_map;
17 struct perf_data;
18 struct perf_event_attr;
19 struct perf_event_mmap_page;
20 struct perf_sample;
21 struct perf_session;
22 struct perf_stat_config;
23 struct perf_thread_map;
24 struct perf_tool;
25 struct record_opts;
26 struct target;
27
28 union perf_event;
29
30 enum perf_record_synth {
31 PERF_SYNTH_TASK = 1 << 0,
32 PERF_SYNTH_MMAP = 1 << 1,
33 PERF_SYNTH_CGROUP = 1 << 2,
34
35 /* last element */
36 PERF_SYNTH_MAX = 1 << 3,
37 };
38 #define PERF_SYNTH_ALL (PERF_SYNTH_MAX - 1)
39
40 int parse_synth_opt(char *str);
41
42 typedef int (*perf_event__handler_t)(struct perf_tool *tool, union perf_event *event,
43 struct perf_sample *sample, struct machine *machine);
44
45 int perf_event__synthesize_attrs(struct perf_tool *tool, struct evlist *evlist, perf_event__handler_t process);
46 int perf_event__synthesize_attr(struct perf_tool *tool, struct perf_event_attr *attr, u32 ids, u64 *id, perf_event__handler_t process);
47 int perf_event__synthesize_build_id(struct perf_tool *tool, struct dso *pos, u16 misc, perf_event__handler_t process, struct machine *machine);
48 int perf_event__synthesize_cpu_map(struct perf_tool *tool, struct perf_cpu_map *cpus, perf_event__handler_t process, struct machine *machine);
49 int perf_event__synthesize_event_update_cpus(struct perf_tool *tool, struct evsel *evsel, perf_event__handler_t process);
50 int perf_event__synthesize_event_update_name(struct perf_tool *tool, struct evsel *evsel, perf_event__handler_t process);
51 int perf_event__synthesize_event_update_scale(struct perf_tool *tool, struct evsel *evsel, perf_event__handler_t process);
52 int perf_event__synthesize_event_update_unit(struct perf_tool *tool, struct evsel *evsel, perf_event__handler_t process);
53 int perf_event__synthesize_extra_attr(struct perf_tool *tool, struct evlist *evsel_list, perf_event__handler_t process, bool is_pipe);
54 int perf_event__synthesize_extra_kmaps(struct perf_tool *tool, perf_event__handler_t process, struct machine *machine);
55 int perf_event__synthesize_features(struct perf_tool *tool, struct perf_session *session, struct evlist *evlist, perf_event__handler_t process);
56 int perf_event__synthesize_id_index(struct perf_tool *tool, perf_event__handler_t process, struct evlist *evlist, struct machine *machine);
57 int perf_event__synthesize_kernel_mmap(struct perf_tool *tool, perf_event__handler_t process, struct machine *machine);
58 int perf_event__synthesize_mmap_events(struct perf_tool *tool, union perf_event *event, pid_t pid, pid_t tgid, perf_event__handler_t process, struct machine *machine, bool mmap_data);
59 int perf_event__synthesize_modules(struct perf_tool *tool, perf_event__handler_t process, struct machine *machine);
60 int perf_event__synthesize_namespaces(struct perf_tool *tool, union perf_event *event, pid_t pid, pid_t tgid, perf_event__handler_t process, struct machine *machine);
61 int perf_event__synthesize_cgroups(struct perf_tool *tool, perf_event__handler_t process, struct machine *machine);
62 int perf_event__synthesize_sample(union perf_event *event, u64 type, u64 read_format, const struct perf_sample *sample);
63 int perf_event__synthesize_stat_config(struct perf_tool *tool, struct perf_stat_config *config, perf_event__handler_t process, struct machine *machine);
64 int perf_event__synthesize_stat_events(struct perf_stat_config *config, struct perf_tool *tool, struct evlist *evlist, perf_event__handler_t process, bool attrs);
65 int perf_event__synthesize_stat_round(struct perf_tool *tool, u64 time, u64 type, perf_event__handler_t process, struct machine *machine);
66 int perf_event__synthesize_stat(struct perf_tool *tool, u32 cpu, u32 thread, u64 id, struct perf_counts_values *count, perf_event__handler_t process, struct machine *machine);
67 int perf_event__synthesize_thread_map2(struct perf_tool *tool, struct perf_thread_map *threads, perf_event__handler_t process, struct machine *machine);
68 int perf_event__synthesize_thread_map(struct perf_tool *tool, struct perf_thread_map *threads, perf_event__handler_t process, struct machine *machine, bool needs_mmap, bool mmap_data);
69 int perf_event__synthesize_threads(struct perf_tool *tool, perf_event__handler_t process, struct machine *machine, bool needs_mmap, bool mmap_data, unsigned int nr_threads_synthesize);
70 int perf_event__synthesize_tracing_data(struct perf_tool *tool, int fd, struct evlist *evlist, perf_event__handler_t process);
71 int perf_event__synth_time_conv(const struct perf_event_mmap_page *pc, struct perf_tool *tool, perf_event__handler_t process, struct machine *machine);
72 pid_t perf_event__synthesize_comm(struct perf_tool *tool, union perf_event *event, pid_t pid, perf_event__handler_t process, struct machine *machine);
73
74 int perf_tool__process_synth_event(struct perf_tool *tool, union perf_event *event, struct machine *machine, perf_event__handler_t process);
75
76 size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type, u64 read_format);
77
78 int __machine__synthesize_threads(struct machine *machine, struct perf_tool *tool,
79 struct target *target, struct perf_thread_map *threads,
80 perf_event__handler_t process, bool needs_mmap, bool data_mmap,
81 unsigned int nr_threads_synthesize);
82 int machine__synthesize_threads(struct machine *machine, struct target *target,
83 struct perf_thread_map *threads, bool needs_mmap, bool data_mmap,
84 unsigned int nr_threads_synthesize);
85
86 #ifdef HAVE_AUXTRACE_SUPPORT
87 int perf_event__synthesize_auxtrace_info(struct auxtrace_record *itr, struct perf_tool *tool,
88 struct perf_session *session, perf_event__handler_t process);
89
90 #else // HAVE_AUXTRACE_SUPPORT
91
92 #include <errno.h>
93
94 static inline int
perf_event__synthesize_auxtrace_info(struct auxtrace_record * itr __maybe_unused,struct perf_tool * tool __maybe_unused,struct perf_session * session __maybe_unused,perf_event__handler_t process __maybe_unused)95 perf_event__synthesize_auxtrace_info(struct auxtrace_record *itr __maybe_unused,
96 struct perf_tool *tool __maybe_unused,
97 struct perf_session *session __maybe_unused,
98 perf_event__handler_t process __maybe_unused)
99 {
100 return -EINVAL;
101 }
102 #endif // HAVE_AUXTRACE_SUPPORT
103
104 #ifdef HAVE_LIBBPF_SUPPORT
105 int perf_event__synthesize_bpf_events(struct perf_session *session, perf_event__handler_t process,
106 struct machine *machine, struct record_opts *opts);
107 #else // HAVE_LIBBPF_SUPPORT
perf_event__synthesize_bpf_events(struct perf_session * session __maybe_unused,perf_event__handler_t process __maybe_unused,struct machine * machine __maybe_unused,struct record_opts * opts __maybe_unused)108 static inline int perf_event__synthesize_bpf_events(struct perf_session *session __maybe_unused,
109 perf_event__handler_t process __maybe_unused,
110 struct machine *machine __maybe_unused,
111 struct record_opts *opts __maybe_unused)
112 {
113 return 0;
114 }
115 #endif // HAVE_LIBBPF_SUPPORT
116
117 int perf_event__synthesize_for_pipe(struct perf_tool *tool,
118 struct perf_session *session,
119 struct perf_data *data,
120 perf_event__handler_t process);
121
122 #endif // __PERF_SYNTHETIC_EVENTS_H
123