Re: [PATCH] sched/rt: RT_RUNTIME_GREED sched feature

From: Christoph Lameter
Date: Fri Nov 11 2016 - 13:46:43 EST


On Thu, 10 Nov 2016, Daniel Vacek wrote:

> I believe Daniel's patches are the best thing we can do in current
> situation as the behavior now seems rather buggy and does not provide above
> mentioned expectations set when rt throttling was merged with default
> budget of 95% of CPU time. Nor if you configure so that it does (by
> disabling RT_RUNTIME_SHARE), it also forces CPUs to go idle needlessly when
> there still can be rt task running not really starving anyone. At least
> till a proper rework of rt scheduling with DL Server is implemented.

This looks like a fix for a bug and the company I work for is suffering
as a result. Could we please merge that ASAP?