Re: [PATCH 5/5] perf test: squelch warnings about undefined sizeof

From: Jiri Olsa
Date: Tue Mar 18 2014 - 09:24:15 EST


On Tue, Mar 18, 2014 at 05:09:33PM +0900, Namhyung Kim wrote:
> On Mon, 17 Mar 2014 18:26:38 -0400, Ramkumar Ramachandra wrote:
> > perf test emits the following warnings on the parse events test:
> >
> > $ perf test
> > 5: parse events tests
> > Warning: function sizeof not defined
> > Warning: function sizeof not defined
> > Warning: function sizeof not defined
> > Warning: function sizeof not defined
> > Warning: function sizeof not defined
> > Warning: function sizeof not defined
> > Warning: function sizeof not defined
> > Warning: function sizeof not defined
> > ...
> >
> > Squelch the warnings by explicitly ignoring the sizeof function.
>
> It just hides the warning leaving the real problem untouched. If you
> really don't want to see those, I guess installing proper plugin for the
> failing events will help you (in case you didn't).

it wont' help, sizeof is special.. AFAIK we did not figure
out a way to handle that so far

but I think it was used only in one trace subsystem.. maybe we
could replace it and forbid to use it in future ;-)

jirka
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