void perf_event__print_totals(void);
 
+struct evlist;
+struct evsel;
+struct perf_session;
 struct perf_tool;
 struct perf_thread_map;
 struct perf_cpu_map;
                                     struct perf_sample *sample,
                                     struct machine *machine);
 
+int perf_event__synthesize_attr(struct perf_tool *tool,
+                               struct perf_event_attr *attr, u32 ids, u64 *id,
+                               perf_event__handler_t process);
+int perf_event__synthesize_attrs(struct perf_tool *tool,
+                                struct evlist *evlist,
+                                perf_event__handler_t process);
+int perf_event__synthesize_build_id(struct perf_tool *tool,
+                                   struct dso *pos, u16 misc,
+                                   perf_event__handler_t process,
+                                   struct machine *machine);
+int perf_event__synthesize_extra_attr(struct perf_tool *tool,
+                                     struct evlist *evsel_list,
+                                     perf_event__handler_t process,
+                                     bool is_pipe);
+int perf_event__synthesize_event_update_cpus(struct perf_tool *tool,
+                                            struct evsel *evsel,
+                                            perf_event__handler_t process);
+int perf_event__synthesize_event_update_name(struct perf_tool *tool,
+                                            struct evsel *evsel,
+                                            perf_event__handler_t process);
+int perf_event__synthesize_event_update_scale(struct perf_tool *tool,
+                                             struct evsel *evsel,
+                                             perf_event__handler_t process);
+int perf_event__synthesize_event_update_unit(struct perf_tool *tool,
+                                            struct evsel *evsel,
+                                            perf_event__handler_t process);
+int perf_event__synthesize_features(struct perf_tool *tool,
+                                   struct perf_session *session,
+                                   struct evlist *evlist,
+                                   perf_event__handler_t process);
+int perf_event__synthesize_tracing_data(struct perf_tool *tool,
+                                       int fd, struct evlist *evlist,
+                                       perf_event__handler_t process);
 int perf_event__synthesize_thread_map(struct perf_tool *tool,
                                      struct perf_thread_map *threads,
                                      perf_event__handler_t process,
 
 #include <linux/stddef.h>
 #include <linux/perf_event.h>
 #include <sys/types.h>
+#include <stdio.h> // FILE
 #include <stdbool.h>
 #include <linux/bitmap.h>
 #include <linux/types.h>
-#include "event.h"
 #include "env.h"
 #include "pmu.h"
 
 
 struct evlist;
 struct perf_session;
+struct perf_tool;
+union perf_event;
 
 int perf_session__read_header(struct perf_session *session);
 int perf_session__write_header(struct perf_session *session,
 
 int perf_header__fprintf_info(struct perf_session *s, FILE *fp, bool full);
 
-int perf_event__synthesize_features(struct perf_tool *tool,
-                                   struct perf_session *session,
-                                   struct evlist *evlist,
-                                   perf_event__handler_t process);
-
-int perf_event__synthesize_extra_attr(struct perf_tool *tool,
-                                     struct evlist *evsel_list,
-                                     perf_event__handler_t process,
-                                     bool is_pipe);
-
 int perf_event__process_feature(struct perf_session *session,
                                union perf_event *event);
-
-int perf_event__synthesize_attr(struct perf_tool *tool,
-                               struct perf_event_attr *attr, u32 ids, u64 *id,
-                               perf_event__handler_t process);
-int perf_event__synthesize_attrs(struct perf_tool *tool,
-                                struct evlist *evlist,
-                                perf_event__handler_t process);
-int perf_event__synthesize_event_update_unit(struct perf_tool *tool,
-                                            struct evsel *evsel,
-                                            perf_event__handler_t process);
-int perf_event__synthesize_event_update_scale(struct perf_tool *tool,
-                                             struct evsel *evsel,
-                                             perf_event__handler_t process);
-int perf_event__synthesize_event_update_name(struct perf_tool *tool,
-                                            struct evsel *evsel,
-                                            perf_event__handler_t process);
-int perf_event__synthesize_event_update_cpus(struct perf_tool *tool,
-                                            struct evsel *evsel,
-                                            perf_event__handler_t process);
 int perf_event__process_attr(struct perf_tool *tool, union perf_event *event,
                             struct evlist **pevlist);
 int perf_event__process_event_update(struct perf_tool *tool,
                                     union perf_event *event,
                                     struct evlist **pevlist);
 size_t perf_event__fprintf_event_update(union perf_event *event, FILE *fp);
-
-int perf_event__synthesize_tracing_data(struct perf_tool *tool,
-                                       int fd, struct evlist *evlist,
-                                       perf_event__handler_t process);
 int perf_event__process_tracing_data(struct perf_session *session,
                                     union perf_event *event);
-
-int perf_event__synthesize_build_id(struct perf_tool *tool,
-                                   struct dso *pos, u16 misc,
-                                   perf_event__handler_t process,
-                                   struct machine *machine);
 int perf_event__process_build_id(struct perf_session *session,
                                 union perf_event *event);
 bool is_perf_magic(u64 magic);