On 7/6/22 08:30, Vitaly Zaitsev via devel wrote:
On 05/07/2022 21:15, Matthias Clasen wrote:
And I doubt that you'd be able to notice a 'smaller than 1% slowdown'
on your system.
4% slowdown is unacceptable.
At least for Fedora Workstation, being
a useful system for developers with working debugging and profiling
tools should have some weight too.
Debugging works well on Fedora without this flag.
I agree that it works well (at least better than with most competing
OSes), but that does not mean it works perfectly and that it's not
improvable.
I must say that global debugging capabilities have decreased with time
since 20 years. More and more, one needs to rely on "debugging by
printf" because
gdb and similar tools are confused, notably because local variables are
"optimsed out" (which I suspect is related to frame pointer). This is a
price to
pay to better optimisation and performance, but leads to more time spent
to find the place of a bug.
So yes it works well, but it could be better.... Now at which cost for
the overall community, this is another story.
Theo.
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