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 #include <perf/cpumap.h>
10
11 struct auxtrace_record;
12 struct dso;
13 struct evlist;
14 struct evsel;
15 struct machine;
16 struct perf_counts_values;
17 struct perf_cpu_map;
18 struct perf_data;
19 struct perf_event_attr;
20 struct perf_event_mmap_page;
21 struct perf_sample;
22 struct perf_session;
23 struct perf_stat_config;
24 struct perf_thread_map;
25 struct perf_tool;
26 struct record_opts;
27 struct target;
28
29 union perf_event;
30
31 enum perf_record_synth {
32 PERF_SYNTH_TASK = 1 << 0,
33 PERF_SYNTH_MMAP = 1 << 1,
34 PERF_SYNTH_CGROUP = 1 << 2,
35
36 /* last element */
37 PERF_SYNTH_MAX = 1 << 3,
38 };
39 #define PERF_SYNTH_ALL (PERF_SYNTH_MAX - 1)
40
41 int parse_synth_opt(char *str);
42
43 typedef int (*perf_event__handler_t)(struct perf_tool *tool, union perf_event *event,
44 struct perf_sample *sample, struct machine *machine);
45
46 int perf_event__synthesize_attrs(struct perf_tool *tool, struct evlist *evlist, perf_event__handler_t process);
47 int perf_event__synthesize_attr(struct perf_tool *tool, struct perf_event_attr *attr, u32 ids, u64 *id, perf_event__handler_t process);
48 int perf_event__synthesize_build_id(struct perf_tool *tool, struct dso *pos, u16 misc, perf_event__handler_t process, struct machine *machine);
49 int perf_event__synthesize_cpu_map(struct perf_tool *tool, const struct perf_cpu_map *cpus, perf_event__handler_t process, struct machine *machine);
50 int perf_event__synthesize_event_update_cpus(struct perf_tool *tool, struct evsel *evsel, perf_event__handler_t process);
51 int perf_event__synthesize_event_update_name(struct perf_tool *tool, struct evsel *evsel, perf_event__handler_t process);
52 int perf_event__synthesize_event_update_scale(struct perf_tool *tool, struct evsel *evsel, perf_event__handler_t process);
53 int perf_event__synthesize_event_update_unit(struct perf_tool *tool, struct evsel *evsel, perf_event__handler_t process);
54 int perf_event__synthesize_extra_attr(struct perf_tool *tool, struct evlist *evsel_list, perf_event__handler_t process, bool is_pipe);
55 int perf_event__synthesize_extra_kmaps(struct perf_tool *tool, perf_event__handler_t process, struct machine *machine);
56 int perf_event__synthesize_features(struct perf_tool *tool, struct perf_session *session, struct evlist *evlist, perf_event__handler_t process);
57 int perf_event__synthesize_id_index(struct perf_tool *tool, perf_event__handler_t process, struct evlist *evlist, struct machine *machine);
58 int __perf_event__synthesize_id_index(struct perf_tool *tool, perf_event__handler_t process, struct evlist *evlist, struct machine *machine, size_t from);
59 int perf_event__synthesize_id_sample(__u64 *array, u64 type, const struct perf_sample *sample);
60 int perf_event__synthesize_kernel_mmap(struct perf_tool *tool, perf_event__handler_t process, struct machine *machine);
61 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);
62 int perf_event__synthesize_modules(struct perf_tool *tool, perf_event__handler_t process, struct machine *machine);
63 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);
64 int perf_event__synthesize_cgroups(struct perf_tool *tool, perf_event__handler_t process, struct machine *machine);
65 int perf_event__synthesize_sample(union perf_event *event, u64 type, u64 read_format, const struct perf_sample *sample);
66 int perf_event__synthesize_stat_config(struct perf_tool *tool, struct perf_stat_config *config, perf_event__handler_t process, struct machine *machine);
67 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);
68 int perf_event__synthesize_stat_round(struct perf_tool *tool, u64 time, u64 type, perf_event__handler_t process, struct machine *machine);
69 int perf_event__synthesize_stat(struct perf_tool *tool, struct perf_cpu cpu, u32 thread, u64 id, struct perf_counts_values *count, perf_event__handler_t process, struct machine *machine);
70 int perf_event__synthesize_thread_map2(struct perf_tool *tool, struct perf_thread_map *threads, perf_event__handler_t process, struct machine *machine);
71 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);
72 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);
73 int perf_event__synthesize_tracing_data(struct perf_tool *tool, int fd, struct evlist *evlist, perf_event__handler_t process);
74 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);
75 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);
76
77 int perf_tool__process_synth_event(struct perf_tool *tool, union perf_event *event, struct machine *machine, perf_event__handler_t process);
78
79 size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type, u64 read_format);
80
81 int __machine__synthesize_threads(struct machine *machine, struct perf_tool *tool,
82 struct target *target, struct perf_thread_map *threads,
83 perf_event__handler_t process, bool needs_mmap, bool data_mmap,
84 unsigned int nr_threads_synthesize);
85 int machine__synthesize_threads(struct machine *machine, struct target *target,
86 struct perf_thread_map *threads, bool needs_mmap, bool data_mmap,
87 unsigned int nr_threads_synthesize);
88
89 #ifdef HAVE_AUXTRACE_SUPPORT
90 int perf_event__synthesize_auxtrace_info(struct auxtrace_record *itr, struct perf_tool *tool,
91 struct perf_session *session, perf_event__handler_t process);
92
93 #else // HAVE_AUXTRACE_SUPPORT
94
95 #include <errno.h>
96
97 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)98 perf_event__synthesize_auxtrace_info(struct auxtrace_record *itr __maybe_unused,
99 struct perf_tool *tool __maybe_unused,
100 struct perf_session *session __maybe_unused,
101 perf_event__handler_t process __maybe_unused)
102 {
103 return -EINVAL;
104 }
105 #endif // HAVE_AUXTRACE_SUPPORT
106
107 #ifdef HAVE_LIBBPF_SUPPORT
108 int perf_event__synthesize_bpf_events(struct perf_session *session, perf_event__handler_t process,
109 struct machine *machine, struct record_opts *opts);
110 #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)111 static inline int perf_event__synthesize_bpf_events(struct perf_session *session __maybe_unused,
112 perf_event__handler_t process __maybe_unused,
113 struct machine *machine __maybe_unused,
114 struct record_opts *opts __maybe_unused)
115 {
116 return 0;
117 }
118 #endif // HAVE_LIBBPF_SUPPORT
119
120 int perf_event__synthesize_for_pipe(struct perf_tool *tool,
121 struct perf_session *session,
122 struct perf_data *data,
123 perf_event__handler_t process);
124
125 #endif // __PERF_SYNTHETIC_EVENTS_H
126