* Frederic Weisbecker <fweis...@gmail.com> wrote:

> Of course 128 bits ops are very expensive, so to help you evaluating the 
> situation, this is going to happen on every call to task_cputime_adjusted() 
> and 
> thread_group_adjusted(), namely:

It's really only expensive for divisions. Addition and multiplication should be 
straightforward and relatively low overhead, especially on 64-bit platforms.

Thanks,

        Ingo
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to