Re: RT patch acceptance

Ingo Molnar
2005-05-27T12:11:25Z

* Bill Huey <bhuey@lnxw.com> wrote:

> There's really no good reason why this kernel can't get the same
> latency as a nanokernel. The scheduler paths are riddled with SMP
> rebalancing stuff and the like which contributes to overall system
> latency. Remove those things and replace it with things like direct
> CPU pining and you'll start seeing those numbers collapse. [...]

could you be a bit more specific? None of that stuff should show up on
UP kernels. Even on SMP, rebalancing is either asynchronous, or O(1).

Ingo