Re: rps perfomance WAS(Re: rps: question

Tom Herbert
2010-04-16T06:28:47Z

>> How do you wake up a thread on a remote cpu ?
>>
>
> resched IPI, apparently. But it is async absolutely. and its IRQ
> handler is lighter.
>
The IPI used in RPS is done asynchronously.

> --
> Regards，
> Changli Gao(xiaosuo@gmail.com)
>