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 build_id; 13 struct dso; 14 struct evlist; 15 struct evsel; 16 struct machine; 17 struct perf_counts_values; 18 struct perf_cpu_map; 19 struct perf_data; 20 struct perf_event_attr; 21 struct perf_event_mmap_page; 22 struct perf_sample; 23 struct perf_session; 24 struct perf_stat_config; 25 struct perf_thread_map; 26 struct perf_tool; 27 struct record_opts; 28 struct target; 29 30 union perf_event; 31 32 enum perf_record_synth { 33 PERF_SYNTH_TASK = 1 << 0, 34 PERF_SYNTH_MMAP = 1 << 1, 35 PERF_SYNTH_CGROUP = 1 << 2, 36 37 /* last element */ 38 PERF_SYNTH_MAX = 1 << 3, 39 }; 40 #define PERF_SYNTH_ALL (PERF_SYNTH_MAX - 1) 41 42 int parse_synth_opt(char *str); 43 44 typedef int (*perf_event__handler_t)(const struct perf_tool *tool, union perf_event *event, 45 struct perf_sample *sample, struct machine *machine); 46 47 int perf_event__synthesize_attrs(const struct perf_tool *tool, struct evlist *evlist, perf_event__handler_t process); 48 int perf_event__synthesize_attr(const struct perf_tool *tool, struct perf_event_attr *attr, u32 ids, u64 *id, perf_event__handler_t process); 49 int perf_event__synthesize_build_id(const struct perf_tool *tool, 50 struct perf_sample *sample, 51 struct machine *machine, 52 perf_event__handler_t process, 53 const struct evsel *evsel, 54 __u16 misc, 55 const struct build_id *bid, 56 const char *filename); 57 int perf_event__synthesize_mmap2_build_id(const struct perf_tool *tool, 58 struct perf_sample *sample, 59 struct machine *machine, 60 perf_event__handler_t process, 61 const struct evsel *evsel, 62 __u16 misc, 63 __u32 pid, __u32 tid, 64 __u64 start, __u64 len, __u64 pgoff, 65 const struct build_id *bid, 66 __u32 prot, __u32 flags, 67 const char *filename); 68 int perf_event__synthesize_cpu_map(const struct perf_tool *tool, const struct perf_cpu_map *cpus, perf_event__handler_t process, struct machine *machine); 69 int perf_event__synthesize_event_update_cpus(const struct perf_tool *tool, struct evsel *evsel, perf_event__handler_t process); 70 int perf_event__synthesize_event_update_name(const struct perf_tool *tool, struct evsel *evsel, perf_event__handler_t process); 71 int perf_event__synthesize_event_update_scale(const struct perf_tool *tool, struct evsel *evsel, perf_event__handler_t process); 72 int perf_event__synthesize_event_update_unit(const struct perf_tool *tool, struct evsel *evsel, perf_event__handler_t process); 73 int perf_event__synthesize_extra_attr(const struct perf_tool *tool, struct evlist *evsel_list, perf_event__handler_t process, bool is_pipe); 74 int perf_event__synthesize_extra_kmaps(const struct perf_tool *tool, perf_event__handler_t process, struct machine *machine); 75 int perf_event__synthesize_features(const struct perf_tool *tool, struct perf_session *session, struct evlist *evlist, perf_event__handler_t process); 76 int perf_event__synthesize_id_index(const struct perf_tool *tool, perf_event__handler_t process, struct evlist *evlist, struct machine *machine); 77 int __perf_event__synthesize_id_index(const struct perf_tool *tool, perf_event__handler_t process, struct evlist *evlist, struct machine *machine, size_t from); 78 int perf_event__synthesize_id_sample(__u64 *array, u64 type, const struct perf_sample *sample); 79 int perf_event__synthesize_kernel_mmap(const struct perf_tool *tool, perf_event__handler_t process, struct machine *machine); 80 int perf_event__synthesize_mmap_events(const 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); 81 int perf_event__synthesize_modules(const struct perf_tool *tool, perf_event__handler_t process, struct machine *machine); 82 int perf_event__synthesize_namespaces(const struct perf_tool *tool, union perf_event *event, pid_t pid, pid_t tgid, perf_event__handler_t process, struct machine *machine); 83 int perf_event__synthesize_cgroups(const struct perf_tool *tool, perf_event__handler_t process, struct machine *machine); 84 int perf_event__synthesize_sample(union perf_event *event, u64 type, u64 read_format, const struct perf_sample *sample); 85 int perf_event__synthesize_stat_config(const struct perf_tool *tool, struct perf_stat_config *config, perf_event__handler_t process, struct machine *machine); 86 int perf_event__synthesize_stat_events(struct perf_stat_config *config, const struct perf_tool *tool, struct evlist *evlist, perf_event__handler_t process, bool attrs); 87 int perf_event__synthesize_stat_round(const struct perf_tool *tool, u64 time, u64 type, perf_event__handler_t process, struct machine *machine); 88 int perf_event__synthesize_stat(const 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); 89 int perf_event__synthesize_thread_map2(const struct perf_tool *tool, struct perf_thread_map *threads, perf_event__handler_t process, struct machine *machine); 90 int perf_event__synthesize_thread_map(const struct perf_tool *tool, struct perf_thread_map *threads, perf_event__handler_t process, struct machine *machine, bool needs_mmap, bool mmap_data); 91 int perf_event__synthesize_threads(const struct perf_tool *tool, perf_event__handler_t process, struct machine *machine, bool needs_mmap, bool mmap_data, unsigned int nr_threads_synthesize); 92 int perf_event__synthesize_tracing_data(const struct perf_tool *tool, int fd, struct evlist *evlist, perf_event__handler_t process); 93 int perf_event__synth_time_conv(const struct perf_event_mmap_page *pc, const struct perf_tool *tool, perf_event__handler_t process, struct machine *machine); 94 pid_t perf_event__synthesize_comm(const struct perf_tool *tool, union perf_event *event, pid_t pid, perf_event__handler_t process, struct machine *machine); 95 96 int perf_tool__process_synth_event(const struct perf_tool *tool, union perf_event *event, struct machine *machine, perf_event__handler_t process); 97 98 size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type, u64 read_format); 99 100 int __machine__synthesize_threads(struct machine *machine, const struct perf_tool *tool, 101 struct target *target, struct perf_thread_map *threads, 102 perf_event__handler_t process, bool needs_mmap, bool data_mmap, 103 unsigned int nr_threads_synthesize); 104 int machine__synthesize_threads(struct machine *machine, struct target *target, 105 struct perf_thread_map *threads, bool needs_mmap, bool data_mmap, 106 unsigned int nr_threads_synthesize); 107 108 #ifdef HAVE_AUXTRACE_SUPPORT 109 int perf_event__synthesize_auxtrace_info(struct auxtrace_record *itr, const struct perf_tool *tool, 110 struct perf_session *session, perf_event__handler_t process); 111 112 #else // HAVE_AUXTRACE_SUPPORT 113 114 #include <errno.h> 115 116 static inline int 117 perf_event__synthesize_auxtrace_info(struct auxtrace_record *itr __maybe_unused, 118 const struct perf_tool *tool __maybe_unused, 119 struct perf_session *session __maybe_unused, 120 perf_event__handler_t process __maybe_unused) 121 { 122 return -EINVAL; 123 } 124 #endif // HAVE_AUXTRACE_SUPPORT 125 126 #ifdef HAVE_LIBBPF_SUPPORT 127 int perf_event__synthesize_bpf_events(struct perf_session *session, perf_event__handler_t process, 128 struct machine *machine, struct record_opts *opts); 129 #else // HAVE_LIBBPF_SUPPORT 130 static inline int perf_event__synthesize_bpf_events(struct perf_session *session __maybe_unused, 131 perf_event__handler_t process __maybe_unused, 132 struct machine *machine __maybe_unused, 133 struct record_opts *opts __maybe_unused) 134 { 135 return 0; 136 } 137 #endif // HAVE_LIBBPF_SUPPORT 138 139 int perf_event__synthesize_for_pipe(const struct perf_tool *tool, 140 struct perf_session *session, 141 struct perf_data *data, 142 perf_event__handler_t process); 143 144 #endif // __PERF_SYNTHETIC_EVENTS_H 145