[patch RFC 00/15] mm/highmem: Provide a preemptible variant of kmap_atomic & friends

Daniel Bristot de Oliveira bristot at redhat.com
Thu Sep 24 19:36:51 UTC 2020


On 9/24/20 10:27 AM, peterz at infradead.org wrote:
> So my current todo list is:
> 
>  - Change RT PULL
>  - Change DL PULL
>  - Add migrate_disable() tracer; exactly like preempt/irqoff, except
>    measuring task-runtime instead of cpu-time.
>  - Add a mode that measures actual interference.
>  - Add a traceevent to detect preemption in migrate_disable().
> 
> 
> And then I suppose I should twist Daniel's arm to update his model to
> include these scenarios and numbers.

Challenge accepted :-)

-- Daniel



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