> * Frederic Weisbecker (
fweisbec@gmail.com) wrote:
> > On Mon, May 03, 2010 at 11:40:48PM -0400, Steven Rostedt wrote:
> > > From: Steven Rostedt <srostedt@redhat.com>
> > >
> > > This patch removes the register functions of TRACE_EVENT() to enable
> > > and disable tracepoints. The registering of a event is now down
> > > directly in the trace_events.c file. The tracepoint_probe_register()
> > > is now called directly.
> > >
> > > The prototypes are no longer type checked, but this should not be
> > > an issue since the tracepoints are created automatically by the
> > > macros. If a prototype is incorrect in the TRACE_EVENT() macro, then
> > > other macros will catch it.
> >
> >
> >
> > Agreed. Typechecking matters for human code but not in this context.
> > Considering that the tracepoint and the probe are created by the same
> > CPP code, bugs will be tracked down quickly and located to a single
> > place.
>
> So it seems that I am the only one asking for extra type-checking and
> caring about problems that can appear subtily on architectures where the
> number of caller/callee arguments must match. And also the only one
> considering that passing more arguments to a callback that does not
> expect all of them might be a problem on some architectures.
>
> Am I the only one thinking there is something fishy there ? I might be
> entirely over-paranoid, but this approach has rarely failed me in the
> past.