char                     data[];
 };
 
+union perf_event {
+       struct perf_event_header        header;
+       struct perf_record_mmap         mmap;
+       struct perf_record_mmap2        mmap2;
+       struct perf_record_comm         comm;
+       struct perf_record_namespaces   namespaces;
+       struct perf_record_fork         fork;
+       struct perf_record_lost         lost;
+       struct perf_record_lost_samples lost_samples;
+       struct perf_record_read         read;
+       struct perf_record_throttle     throttle;
+       struct perf_record_sample       sample;
+       struct perf_record_bpf_event    bpf;
+       struct perf_record_ksymbol      ksymbol;
+       struct attr_event               attr;
+       struct event_update_event       event_update;
+       struct event_type_event         event_type;
+       struct tracing_data_event       tracing_data;
+       struct build_id_event           build_id;
+       struct id_index_event           id_index;
+       struct auxtrace_info_event      auxtrace_info;
+       struct auxtrace_event           auxtrace;
+       struct auxtrace_error_event     auxtrace_error;
+       struct aux_event                aux;
+       struct itrace_start_event       itrace_start;
+       struct context_switch_event     context_switch;
+       struct thread_map_event         thread_map;
+       struct cpu_map_event            cpu_map;
+       struct stat_config_event        stat_config;
+       struct stat_event               stat;
+       struct stat_round_event         stat_round;
+       struct time_conv_event          time_conv;
+       struct feature_event            feat;
+       struct compressed_event         pack;
+};
+
 #endif /* __LIBPERF_EVENT_H */
 
        PERF_STAT_ROUND_TYPE__FINAL     = 1,
 };
 
-union perf_event {
-       struct perf_event_header        header;
-       struct perf_record_mmap         mmap;
-       struct perf_record_mmap2        mmap2;
-       struct perf_record_comm         comm;
-       struct perf_record_namespaces   namespaces;
-       struct perf_record_fork         fork;
-       struct perf_record_lost         lost;
-       struct perf_record_lost_samples lost_samples;
-       struct perf_record_read         read;
-       struct perf_record_throttle     throttle;
-       struct perf_record_sample       sample;
-       struct perf_record_bpf_event    bpf;
-       struct perf_record_ksymbol      ksymbol;
-       struct attr_event               attr;
-       struct event_update_event       event_update;
-       struct event_type_event         event_type;
-       struct tracing_data_event       tracing_data;
-       struct build_id_event           build_id;
-       struct id_index_event           id_index;
-       struct auxtrace_info_event      auxtrace_info;
-       struct auxtrace_event           auxtrace;
-       struct auxtrace_error_event     auxtrace_error;
-       struct aux_event                aux;
-       struct itrace_start_event       itrace_start;
-       struct context_switch_event     context_switch;
-       struct thread_map_event         thread_map;
-       struct cpu_map_event            cpu_map;
-       struct stat_config_event        stat_config;
-       struct stat_event               stat;
-       struct stat_round_event         stat_round;
-       struct time_conv_event          time_conv;
-       struct feature_event            feat;
-       struct compressed_event         pack;
-};
-
 void perf_event__print_totals(void);
 
 struct perf_tool;