LXR linux/tools/perf/util/synthetic-events.h

   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
  10struct auxtrace_record;
  11struct dso;
  12struct evlist;
  13struct evsel;
  14struct machine;
  15struct perf_counts_values;
  16struct perf_cpu_map;
  17struct perf_event_attr;
  18struct perf_event_mmap_page;
  19struct perf_sample;
  20struct perf_session;
  21struct perf_stat_config;
  22struct perf_thread_map;
  23struct perf_tool;
  24struct record_opts;
  25struct target;
  26
  27union perf_event;
  28
  29typedef int (*perf_event__handler_t)(struct perf_tool *tool, union perf_event *event,
  30                                     struct perf_sample *sample, struct machine *machine);
  31
  32int perf_event__synthesize_attrs(struct perf_tool *tool, struct evlist *evlist, perf_event__handler_t process);
  33int perf_event__synthesize_attr(struct perf_tool *tool, struct perf_event_attr *attr, u32 ids, u64 *id, perf_event__handler_t process);
  34int perf_event__synthesize_build_id(struct perf_tool *tool, struct dso *pos, u16 misc, perf_event__handler_t process, struct machine *machine);
  35int perf_event__synthesize_cpu_map(struct perf_tool *tool, struct perf_cpu_map *cpus, perf_event__handler_t process, struct machine *machine);
  36int perf_event__synthesize_event_update_cpus(struct perf_tool *tool, struct evsel *evsel, perf_event__handler_t process);
  37int perf_event__synthesize_event_update_name(struct perf_tool *tool, struct evsel *evsel, perf_event__handler_t process);
  38int perf_event__synthesize_event_update_scale(struct perf_tool *tool, struct evsel *evsel, perf_event__handler_t process);
  39int perf_event__synthesize_event_update_unit(struct perf_tool *tool, struct evsel *evsel, perf_event__handler_t process);
  40int perf_event__synthesize_extra_attr(struct perf_tool *tool, struct evlist *evsel_list, perf_event__handler_t process, bool is_pipe);
  41int perf_event__synthesize_extra_kmaps(struct perf_tool *tool, perf_event__handler_t process, struct machine *machine);
  42int perf_event__synthesize_features(struct perf_tool *tool, struct perf_session *session, struct evlist *evlist, perf_event__handler_t process);
  43int perf_event__synthesize_id_index(struct perf_tool *tool, perf_event__handler_t process, struct evlist *evlist, struct machine *machine);
  44int perf_event__synthesize_kernel_mmap(struct perf_tool *tool, perf_event__handler_t process, struct machine *machine);
  45int 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);
  46int perf_event__synthesize_modules(struct perf_tool *tool, perf_event__handler_t process, struct machine *machine);
  47int 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);
  48int perf_event__synthesize_cgroups(struct perf_tool *tool, perf_event__handler_t process, struct machine *machine);
  49int perf_event__synthesize_sample(union perf_event *event, u64 type, u64 read_format, const struct perf_sample *sample);
  50int perf_event__synthesize_stat_config(struct perf_tool *tool, struct perf_stat_config *config, perf_event__handler_t process, struct machine *machine);
  51int perf_event__synthesize_stat_events(struct perf_stat_config *config, struct perf_tool *tool, struct evlist *evlist, perf_event__handler_t process, bool attrs);
  52int perf_event__synthesize_stat_round(struct perf_tool *tool, u64 time, u64 type, perf_event__handler_t process, struct machine *machine);
  53int 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);
  54int perf_event__synthesize_thread_map2(struct perf_tool *tool, struct perf_thread_map *threads, perf_event__handler_t process, struct machine *machine);
  55int 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);
  56int perf_event__synthesize_threads(struct perf_tool *tool, perf_event__handler_t process, struct machine *machine, bool mmap_data, unsigned int nr_threads_synthesize);
  57int perf_event__synthesize_tracing_data(struct perf_tool *tool, int fd, struct evlist *evlist, perf_event__handler_t process);
  58int perf_event__synth_time_conv(const struct perf_event_mmap_page *pc, struct perf_tool *tool, perf_event__handler_t process, struct machine *machine);
  59pid_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
  61int perf_tool__process_synth_event(struct perf_tool *tool, union perf_event *event, struct machine *machine, perf_event__handler_t process);
  62
  63size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type, u64 read_format);
  64
  65int __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);
  69int 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
  74int 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
  81static inline int
  82perf_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
  92int 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
  95static 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