r Zijlstra
Cc: Peter Boonstoppel; Ingo Molnar; linux-kernel@vger.kernel.org; Paul Walmsley
Subject: Re: [PATCH RFC] sched/rt: preserve global runtime/period ratio in
do_balance_runtime()
On Wed, 2013-05-22 at 10:16 +0200, Peter Zijlstra wrote:
> I thought we already had a knob for that; RT_RUN
On Wed, 2013-05-22 at 10:16 +0200, Peter Zijlstra wrote:
> I thought we already had a knob for that; RT_RUNTIME_SHARE. And as Mike
> said, we might consider flipping the default on that.
sched,rt: disable rt_runtime borrowing by default
Make the default RT_RUNTIME_SHARE setting reflect the most
On Tue, May 21, 2013 at 02:30:09PM -0700, Peter Boonstoppel wrote:
> RT throttling aims to prevent starvation of non-SCHED_FIFO threads
> when a rogue RT thread is hogging the CPU. It does so by piggybacking
> on the rt_bandwidth system and allocating at most rt_runtime per
> rt_period to SCHED_FIF
Hi, Peter
On 05/22/2013 05:30 AM, Peter Boonstoppel wrote:
> RT throttling aims to prevent starvation of non-SCHED_FIFO threads
> when a rogue RT thread is hogging the CPU. It does so by piggybacking
> on the rt_bandwidth system and allocating at most rt_runtime per
> rt_period to SCHED_FIFO tasks
On Tue, 2013-05-21 at 14:30 -0700, Peter Boonstoppel wrote:
> RT throttling aims to prevent starvation of non-SCHED_FIFO threads
> when a rogue RT thread is hogging the CPU. It does so by piggybacking
> on the rt_bandwidth system and allocating at most rt_runtime per
> rt_period to SCHED_FIFO task
RT throttling aims to prevent starvation of non-SCHED_FIFO threads
when a rogue RT thread is hogging the CPU. It does so by piggybacking
on the rt_bandwidth system and allocating at most rt_runtime per
rt_period to SCHED_FIFO tasks (e.g. 950ms out of every second,
allowing 'regular' tasks to run fo
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