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

Daniel Bristot de Oliveira
2020-09-24T19:37:01Z

On 9/24/20 10:27 AM, peterz@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