From: Ingo Molnar <mingo@kernel.org>
To: Clark Williams <williams@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>,
LKML <linux-kernel@vger.kernel.org>,
Steven Rostedt <rostedt@goodmis.org>
Subject: Re: [PATCH v2] sched: add a tuning knob to allow changing RR tmeslice
Date: Thu, 24 Jan 2013 17:59:55 +0100 [thread overview]
Message-ID: <20130124165955.GA9324@gmail.com> (raw)
In-Reply-To: <20121108195113.2dd51d43@redhat.com>
* Clark Williams <williams@redhat.com> wrote:
> This version stores the user-input value in a separate
> location from the jiffies values used by the scheduler, to
> prevent a race condition.
>
> Subject: [PATCH v2] sched: add a tuning knob to allow changing
> RR timeslice
looks useful.
> @@ -2010,7 +2010,7 @@ static void task_tick_rt(struct rq *rq, struct
> task_struct *p, int queued) if (--p->rt.time_slice)
> return;
>
> - p->rt.time_slice = RR_TIMESLICE;
> + p->rt.time_slice = sched_rr_timeslice;
>
> /*
> * Requeue to the end of queue if we (and all of our
> ancestors) are the @@ -2041,7 +2041,7 @@ static unsigned int
> get_rr_interval_rt(struct rq *rq, struct task_struct *task)
> * Time slice is 0 for SCHED_FIFO tasks
Patch wont apply due to patch corruption, alas.
Thanks,
Ingo
next prev parent reply other threads:[~2013-01-24 17:00 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-09 1:51 [PATCH v2] sched: add a tuning knob to allow changing RR tmeslice Clark Williams
2013-01-24 16:59 ` Ingo Molnar [this message]
2013-01-24 19:54 ` Clark Williams
2013-01-25 8:19 ` Ingo Molnar
2013-01-25 18:02 ` Clark Williams
2013-01-25 18:36 ` Ingo Molnar
2013-01-25 21:43 ` Clark Williams
2013-01-26 12:16 ` Ingo Molnar
2013-01-26 12:18 ` Ingo Molnar
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