On 04/07/2015 10:37 AM, Ingo Molnar wrote: > > * Michal Hocko <[email protected]> wrote: > >> On Tue 07-04-15 13:05:31, Ingo Molnar wrote: >>> >>> * Borislav Petkov <[email protected]> wrote: >>> >>>> On Tue, Apr 07, 2015 at 11:31:45AM +0200, Ingo Molnar wrote: >>>>> Would be nice to see the actual kernel .config, as there's a few >>>>> debug features that can slow things down significantly, such as >>>>> CONFIG_KMEMCHECK=y or in some cases CONFIG_DEBUG_PAGEALLOC=y. >>>> >>>> He sent it here: https://lkml.kernel.org/r/[email protected] >>>> >>>> I'm attaching it again. >>> >>> Thanks. Nothing particularly expensive stands out to me at a quick >>> glance:-/ >> >> Sasha uses KASAN very often and it is enabled here as well. I guess >> this might slow things really down. > > Indeed, that kind of instrumentation might explain the overhead ...
It locks up quickly without KASan as well. Thanks, Sasha -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
