trace_event_header
struct trace_event_header eh;
struct trace_event_header eh;
if (evtr_read(evtr, buf + sizeof(struct trace_event_header),
if (evtr_read(evtr, buf + sizeof(struct trace_event_header),
if (evtr_read(evtr, buf + sizeof(struct trace_event_header),
struct trace_event_header *evhdr = (struct trace_event_header *)buf;
struct trace_event_header eh;