Re: [PATCH v2 4/5] kernel hacking: new config DEBUG_EXPERIENCE to apply GCC -Og optimization

From: Steven Rostedt
Date: Wed May 02 2018 - 21:20:06 EST


On Wed, 2 May 2018 13:45:58 -0700
Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:

> On Wed, 2 May 2018 10:17:07 -0400 Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
>
> > > Comparison of vmlinux size: a bit smaller.
> > >
> > > w/o CONFIG_DEBUG_EXPERIENCE
> >
> > I hate the config name.
> >
> > I probably can't come up with better ones but let's try:
> >
> > CONFIG_DEBUG_OPTIMIZE ?
> > CONFIG_OPTIMIZE_DEBUG ?
> >
> > But "EXPERIENCE" sounds like I'm on some DEBUG LSD.
>
> Metoo, but the gcc people decided on "-Og: Optimize debugging
> experience ..." and I think there are benefits if the kernel is to
> align the naming with that.

I still see that as "Optimize debugging" and "experience" is just the
platform of what was done.

With that gcc comment, I still think CONFIG_OPTIMIZE_DEBUG is more
inline with what it is and understandable than
CONFIG_DEBUG_EXPERIENCE. The "OPTIMIZE" is the key word there.

-- Steve