On Tue, 1 Mar 2022 11:54:57 -0800 Jithu Joseph <jithu.joseph@xxxxxxxxx> wrote: > + TP_STRUCT__entry( > + __field( u8, start ) > + __field( u8, stop ) > + __field( u64, status ) > + ), I'd suggest swapping this to: __field( u64, status ) __field( u8, start ) __field( u8, stop ) As trace events are usually aligned by 4 bytes (sometimes 8 for archs that require 8byte alignment for 8 byte words), but any event, putting the padding at the end of the event is better than in the middle of the event. Having the u64 come after two u8 (two byes) will pretty much guarantee a 6 bytes hole in the middle of the event. -- Steve
