On Fri, 9 Oct 2020, Axel Rasmussen wrote: > It's common [1] to define tracepoint fields as "bool" when they contain > a true / false value. Currently, defining a synthetic event with a > "bool" field yields EINVAL. It's possible to work around this by using > e.g. u8 (assuming sizeof(bool) is 1, and bool is unsigned; if either of > these properties don't match, you get EINVAL [2]). > > Supporting "bool" explicitly makes hooking this up easier and more > portable for userspace. > > [1]: grep -r "bool" include/trace/events/ > [2]: check_synth_field() in kernel/trace/trace_events_hist.c > > Acked-by: Michel Lespinasse <walken@xxxxxxxxxx> > Signed-off-by: Axel Rasmussen <axelrasmussen@xxxxxxxxxx> Acked-by: David Rientjes <rientjes@xxxxxxxxxx>
