kernel defconfig, debugging, preemption, and very noticeable speedups

Timo Juhani Lindfors timo.lindfors at
Sun Jan 10 11:00:56 CET 2010

Gennady Kupava <gb at> writes:
> 2. nodebug - debugging off : all except "Enable dynamic printk() call
> support" and "timing info"

I tested this too.

"apt-cache search nano"

went from 20 s to 14.8 s and

"emacs -f kill-emacs"

went from 3.8 s to 2.2 s. (I of course repeated these multiple times
to get caches warm.)

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