Thread (33 messages) 33 messages, 10 authors, 2016-11-09

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

From: Steven Rostedt <rostedt@goodmis.org>
Date: 2016-11-07 18:32:13
Also in: lkml

On Mon, 7 Nov 2016 10:55:38 -0600 (CST)
Christoph Lameter [off-list ref] wrote:
On Mon, 7 Nov 2016, Daniel Bristot de Oliveira wrote:
quoted
With these two options set, the user will guarantee some runtime
for non-rt-tasks on all CPUs, while keeping real-time tasks running
as much as possible.  
Excellent this would improve the situation with deadlocks as a result of
cgroup_locks not being released due to lack of workqueue processing.
?? What deadlocks do you see? I mean, can you show the situation that
throttling RT tasks will cause deadlock?

Sorry, but I'm just not seeing it.

-- Steve
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