On Wed, 31 May 2017 16:56:51 -0500 Jeremy Linton <jeremy.linton@xxxxxxx> wrote: > Add a blurb in the trace sample file to describe > the macro used to add sizeof to value conversions. > > Signed-off-by: Jeremy Linton <jeremy.linton@xxxxxxx> > --- > samples/trace_events/trace-events-sample.h | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/samples/trace_events/trace-events-sample.h b/samples/trace_events/trace-events-sample.h > index 76a75ab..82e1e66 100644 > --- a/samples/trace_events/trace-events-sample.h > +++ b/samples/trace_events/trace-events-sample.h > @@ -225,6 +225,13 @@ TRACE_DEFINE_ENUM(TRACE_SAMPLE_FOO); > TRACE_DEFINE_ENUM(TRACE_SAMPLE_BAR); > TRACE_DEFINE_ENUM(TRACE_SAMPLE_ZOO); > > +/* > + * The same problem as above applies to sizeof(), so there is also > + * a macro to solve that problem. > + */ > + > +TRACE_DEFINE_SIZEOF(pteval_t); > + Could you add this in the example too. That is, a use case. Just having the define isn't a proper sample. You want to use it in a TP_printk() too. -- Steve > TRACE_EVENT(foo_bar, > > TP_PROTO(const char *foo, int bar, const int *lst,