Every event has the same common fields, so it's a big waste of
memory to have a copy of those fields for every event.
Signed-off-by: NLi Zefan <lizf@cn.fujitsu.com>
LKML-Reference: <4BFA3759.30105@cn.fujitsu.com>
Signed-off-by: NSteven Rostedt <rostedt@goodmis.org>