xref: /linux/tools/perf/util/synthetic-events.h (revision e5a52fd2b8cdb700b3c07b030e050a49ef3156b9)
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_event_attr;
18 struct perf_event_mmap_page;
19 struct perf_sample;
20 struct perf_session;
21 struct perf_stat_config;
22 struct perf_thread_map;
23 struct perf_tool;
24 struct record_opts;
25 struct target;
26 
27 union perf_event;
28 
29 typedef int (*perf_event__handler_t)(struct perf_tool *tool, union perf_event *event,
30 				     struct perf_sample *sample, struct machine *machine);
31 
32 int perf_event__synthesize_attrs(struct perf_tool *tool, struct evlist *evlist, perf_event__handler_t process);
33 int perf_event__synthesize_attr(struct perf_tool *tool, struct perf_event_attr *attr, u32 ids, u64 *id, perf_event__handler_t process);
34 int perf_event__synthesize_build_id(struct perf_tool *tool, struct dso *pos, u16 misc, perf_event__handler_t process, struct machine *machine);
35 int perf_event__synthesize_cpu_map(struct perf_tool *tool, struct perf_cpu_map *cpus, perf_event__handler_t process, struct machine *machine);
36 int perf_event__synthesize_event_update_cpus(struct perf_tool *tool, struct evsel *evsel, perf_event__handler_t process);
37 int perf_event__synthesize_event_update_name(struct perf_tool *tool, struct evsel *evsel, perf_event__handler_t process);
38 int perf_event__synthesize_event_update_scale(struct perf_tool *tool, struct evsel *evsel, perf_event__handler_t process);
39 int perf_event__synthesize_event_update_unit(struct perf_tool *tool, struct evsel *evsel, perf_event__handler_t process);
40 int perf_event__synthesize_extra_attr(struct perf_tool *tool, struct evlist *evsel_list, perf_event__handler_t process, bool is_pipe);
41 int perf_event__synthesize_extra_kmaps(struct perf_tool *tool, perf_event__handler_t process, struct machine *machine);
42 int perf_event__synthesize_features(struct perf_tool *tool, struct perf_session *session, struct evlist *evlist, perf_event__handler_t process);
43 int perf_event__synthesize_id_index(struct perf_tool *tool, perf_event__handler_t process, struct evlist *evlist, struct machine *machine);
44 int perf_event__synthesize_kernel_mmap(struct perf_tool *tool, perf_event__handler_t process, struct machine *machine);
45 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);
46 int perf_event__synthesize_modules(struct perf_tool *tool, perf_event__handler_t process, struct machine *machine);
47 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);
48 int perf_event__synthesize_cgroups(struct perf_tool *tool, perf_event__handler_t process, struct machine *machine);
49 int perf_event__synthesize_sample(union perf_event *event, u64 type, u64 read_format, const struct perf_sample *sample);
50 int perf_event__synthesize_stat_config(struct perf_tool *tool, struct perf_stat_config *config, perf_event__handler_t process, struct machine *machine);
51 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);
52 int perf_event__synthesize_stat_round(struct perf_tool *tool, u64 time, u64 type, perf_event__handler_t process, struct machine *machine);
53 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);
54 int perf_event__synthesize_thread_map2(struct perf_tool *tool, struct perf_thread_map *threads, perf_event__handler_t process, struct machine *machine);
55 int perf_event__synthesize_thread_map(struct perf_tool *tool, struct perf_thread_map *threads, perf_event__handler_t process, struct machine *machine, bool mmap_data);
56 int perf_event__synthesize_threads(struct perf_tool *tool, perf_event__handler_t process, struct machine *machine, bool mmap_data, unsigned int nr_threads_synthesize);
57 int perf_event__synthesize_tracing_data(struct perf_tool *tool, int fd, struct evlist *evlist, perf_event__handler_t process);
58 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);
59 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);
60 
61 int perf_tool__process_synth_event(struct perf_tool *tool, union perf_event *event, struct machine *machine, perf_event__handler_t process);
62 
63 size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type, u64 read_format);
64 
65 int __machine__synthesize_threads(struct machine *machine, struct perf_tool *tool,
66 				  struct target *target, struct perf_thread_map *threads,
67 				  perf_event__handler_t process, bool data_mmap,
68 				  unsigned int nr_threads_synthesize);
69 int machine__synthesize_threads(struct machine *machine, struct target *target,
70 				struct perf_thread_map *threads, bool data_mmap,
71 				unsigned int nr_threads_synthesize);
72 
73 #ifdef HAVE_AUXTRACE_SUPPORT
74 int perf_event__synthesize_auxtrace_info(struct auxtrace_record *itr, struct perf_tool *tool,
75 					 struct perf_session *session, perf_event__handler_t process);
76 
77 #else // HAVE_AUXTRACE_SUPPORT
78 
79 #include <errno.h>
80 
81 static inline int
82 perf_event__synthesize_auxtrace_info(struct auxtrace_record *itr __maybe_unused,
83 				     struct perf_tool *tool __maybe_unused,
84 				     struct perf_session *session __maybe_unused,
85 				     perf_event__handler_t process __maybe_unused)
86 {
87 	return -EINVAL;
88 }
89 #endif // HAVE_AUXTRACE_SUPPORT
90 
91 #ifdef HAVE_LIBBPF_SUPPORT
92 int perf_event__synthesize_bpf_events(struct perf_session *session, perf_event__handler_t process,
93 				      struct machine *machine, struct record_opts *opts);
94 #else // HAVE_LIBBPF_SUPPORT
95 static inline int perf_event__synthesize_bpf_events(struct perf_session *session __maybe_unused,
96 						    perf_event__handler_t process __maybe_unused,
97 						    struct machine *machine __maybe_unused,
98 						    struct record_opts *opts __maybe_unused)
99 {
100 	return 0;
101 }
102 #endif // HAVE_LIBBPF_SUPPORT
103 
104 #endif // __PERF_SYNTHETIC_EVENTS_H
105