From: Peter Zijlstra <peterz@infradead.org>
To: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>,
Amit Kucheria <amit.kucheria@linaro.org>,
Ingo Molnar <mingo@elte.hu>,
Lists linaro-kernel <linaro-kernel@lists.linaro.org>,
Linux PM list <linux-pm@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 2/3] sched: idle: Add sched balance option
Date: Mon, 28 Apr 2014 12:28:19 +0200 [thread overview]
Message-ID: <20140428102819.GG27561@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <535E28D0.7050502@linaro.org>
On Mon, Apr 28, 2014 at 12:09:20PM +0200, Daniel Lezcano wrote:
> I agree a numerical value is not flexible. But it sounds weird to put a
> scheduler option in the sysfs and maybe more options will follow.
>
> I am wondering if we shouldn't create a new cgroup for 'energy' and put
> everything in there. So we will have more flexibility for extension and we
> will be able to create a group of tasks for performance and a group of tasks
> for energy saving.
>
> Does it make sense ?
The old knobs used to live here:
-What: /sys/devices/system/cpu/sched_mc_power_savings
- /sys/devices/system/cpu/sched_smt_power_savings
Not entirely sure that's a fine place, but it has precedent.
next prev parent reply other threads:[~2014-04-28 10:28 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-24 12:24 [PATCH 0/3] sched: idle: Provide the basis to integrate cpuidle Daniel Lezcano
2014-04-24 12:24 ` [PATCH 1/3] sched: idle: Encapsulate the code to compile it out Daniel Lezcano
2014-04-30 17:39 ` Nicolas Pitre
2014-04-24 12:24 ` [PATCH 2/3] sched: idle: Add sched balance option Daniel Lezcano
[not found] ` <CAP245DX9wewQFhcyGj5ZuNE7hHC4fRn90POC32HLF6ugja6nJg@mail.gmail.com>
2014-04-24 13:30 ` Daniel Lezcano
2014-04-25 10:54 ` Amit Kucheria
2014-04-25 11:46 ` Rafael J. Wysocki
2014-04-25 12:17 ` Daniel Lezcano
2014-04-25 13:20 ` Peter Zijlstra
2014-04-25 17:01 ` Daniel Lezcano
2014-04-25 18:43 ` Peter Zijlstra
2014-04-28 10:09 ` Daniel Lezcano
2014-04-28 10:28 ` Peter Zijlstra [this message]
2014-04-28 11:07 ` Daniel Lezcano
2014-04-28 11:21 ` Peter Zijlstra
2014-04-28 23:11 ` Rafael J. Wysocki
2014-04-29 10:00 ` Morten Rasmussen
2014-04-29 22:19 ` Rafael J. Wysocki
2014-04-29 10:25 ` Daniel Lezcano
2014-05-05 0:32 ` Rafael J. Wysocki
2014-04-29 9:26 ` Morten Rasmussen
2014-04-26 0:18 ` Rafael J. Wysocki
2014-04-26 6:17 ` Ingo Molnar
2014-04-27 13:23 ` Rafael J. Wysocki
2014-04-29 10:50 ` Morten Rasmussen
2014-04-29 22:02 ` Rafael J. Wysocki
2014-04-26 10:55 ` Peter Zijlstra
2014-04-27 13:54 ` Rafael J. Wysocki
2014-04-27 19:39 ` Peter Zijlstra
2014-04-25 13:22 ` Peter Zijlstra
2014-04-24 12:24 ` [PATCH 3/3] sched: idle: Store the idle state the cpu is Daniel Lezcano
2014-04-24 16:16 ` Rafael J. Wysocki
2014-04-24 16:13 ` [PATCH 0/3] sched: idle: Provide the basis to integrate cpuidle Rafael J. Wysocki
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