u64 id;
};
+struct sample_event{
+ struct perf_event_header header;
+ u64 array[];
+};
+
+
typedef union event_union {
struct perf_event_header header;
struct ip_event ip;
struct fork_event fork;
struct lost_event lost;
struct read_event read;
+ struct sample_event sample;
} event_t;
struct map {