Re: F37 proposal: Add -fno-omit-frame-pointer to default compilation flags (System-Wide Change proposal)

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On Thu, Nov 10, 2022 at 9:00 AM Michael Catanzaro <mcatanzaro@xxxxxxxxx> wrote:
>
> On Wed, Nov 9 2022 at 09:39:04 AM +0100, Vitaly Zaitsev via devel
> <devel@xxxxxxxxxxxxxxxxxxxxxxx> wrote:
> > According to tests, this will slow down your system to 2.5%+, which is
> > unacceptable for a general purpose distribution.
>
> Of course, without the frame pointers, profiling software is impossible
> and performance engineers are unable to investigate performance
> problems using Fedora. Seems kind of silly to block performance work
> just for a 2.5% benefit....
>

It's not silly if we know we can't guarantee to get it back or make it
better after the fact.


-- 
真実はいつも一つ!/ Always, there's only one truth!
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