From: Peter Zijlstra <peterz@infradead.org>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Lichao Liu <liulichao@loongson.cn>,
mingo@redhat.com, juri.lelli@redhat.com,
vincent.guittot@linaro.org, dietmar.eggemann@arm.com,
bsegall@google.com, mgorman@suse.de,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] sched/rt: Don't active rt throtting when no running cfs task
Date: Tue, 16 Jun 2020 16:01:58 +0200 [thread overview]
Message-ID: <20200616140158.GY2531@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20200616095027.1a2048d0@oasis.local.home>
On Tue, Jun 16, 2020 at 09:50:27AM -0400, Steven Rostedt wrote:
> On Tue, 16 Jun 2020 20:37:29 +0800
> Lichao Liu <liulichao@loongson.cn> wrote:
>
> > Active rt throtting will dequeue rt_rq from rq at least 50ms,
> > When there is no running cfs task, do we still active it?
> >
>
> This is something I would like to have.
>
> Peter, what's your thought on this?
I'd love to just delete all of this.. that said, I'm not sure this
change makes sense, because it doesn't deal sanely with the case where
the task will appear right after we did this.
The right thing to do is that fair deadline server thing.
next prev parent reply other threads:[~2020-06-16 14:02 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-16 12:37 [PATCH] sched/rt: Don't active rt throtting when no running cfs task Lichao Liu
2020-06-16 13:50 ` Steven Rostedt
2020-06-16 14:01 ` Peter Zijlstra [this message]
2020-06-16 14:59 ` Steven Rostedt
2020-06-16 17:07 ` Peter Zijlstra
2020-06-16 18:33 ` Steven Rostedt
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