Re: [PATCH v3.1] kbuild: implement several W= levels

Valdis.Kletnieks
2011-04-28T18:00:02Z

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On Thu, 28 Apr 2011 18:24:46 +0200, Michal Marek said:
> On 28.4.2011 02:25, Valdis.Kletnieks@vt.edu wrote:
> > On Wed, 27 Apr 2011 13:35:13 +0200, Borislav Petkov said:
> >
> >> If we do this inclusive, then W=2 dumps the, let's call it, level 1
> >> _plus_ the new level 2 warnings, polluting the output with something
> >> I've already seen, but only partially. And then I start to think, did
> >> I see this one already, didn't I, which was it? By the time you enable
> >> W=3, the output becomes pretty useless. For example, W=3 generates 190+
> >> MB logfile here only with level 3 warnings. Now imagine all 3 levels
> >> combined.
> >
> > If each level is averaging 10x the previous level, then all 3 levels will only be 11%
> > bigger, or 211MB.
> >
> > You *really* want to get *all* the warnings - quite often, you'll be looking
> > at a set of 15 or 20 level-3 warnings. And if you had the Level-2's in there as
> > well, you'd immediately realize that the single level-2 was the real root-cause
> > of all the cascating warnings.
>
> How about W=12 for level 1 and 2 warnings and W=123 for all levels?

I'd be OK with that, or a 'W=all', or whatever, as long as it's doable.

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