Re: [PATCH mm-unstable] lib/Kconfig.debug: do not enable DEBUG_PREEMPT by default

[Michal Hocko]

On Thu 26-01-23 00:41:15, Hyeonggon Yoo wrote:
[...]
> > Do you happen to have any perf data collected during those runs? I
> > would be interested in the memcg side of things. Maybe we can do
> > something better there.
> 
> Yes, below is performance data I've collected.
> 
> 6.1.8-debug-preempt-dirty
> =========================
>   Overhead  Command       Shared Object     Symbol
> +    9.14%  hackbench        [kernel.vmlinux]  [k] check_preemption_disabled

Thanks! Could you just add callers that are showing in the profile for
this call please?
-- 
Michal Hocko
SUSE Labs