From: santosh.shilimkar@ti•com (Santosh Shilimkar)
To: linux-arm-kernel@lists•infradead.org
Subject: [RFC 6/6] ARM: sched: clear SD_SHARE_POWERLINE
Date: Fri, 2 Nov 2012 16:30:21 +0530 [thread overview]
Message-ID: <5093A7C5.9080605@ti.com> (raw)
In-Reply-To: <CAKfTPtAZjLpwHYgj8JXku4sU0mPPf34MKkWp0=qiX5u-T0JVOA@mail.gmail.com>
On Monday 29 October 2012 06:58 PM, Vincent Guittot wrote:
> On 24 October 2012 17:21, Santosh Shilimkar <santosh.shilimkar@ti•com> wrote:
>> On Sunday 07 October 2012 01:13 PM, Vincent Guittot wrote:
>>>
>>> The ARM platforms take advantage of packing small tasks on few cores.
>>> This is true even when the cores of a cluster can't be powergated
>>> independently.
>>>
>>>
>>> Signed-off-by: Vincent Guittot <vincent.guittot@linaro•org>
>>> ---
>>> arch/arm/kernel/topology.c | 5 +++++
>>> 1 file changed, 5 insertions(+)
>>>
>>> diff --git a/arch/arm/kernel/topology.c b/arch/arm/kernel/topology.c
>>> index 26c12c6..00511d0 100644
>>> --- a/arch/arm/kernel/topology.c
>>> +++ b/arch/arm/kernel/topology.c
>>> @@ -226,6 +226,11 @@ static inline void update_cpu_power(unsigned int
>>> cpuid, unsigned int mpidr) {}
>>> */
>>> struct cputopo_arm cpu_topology[NR_CPUS];
>>>
>>> +int arch_sd_share_power_line(void)
>>> +{
>>> + return 0*SD_SHARE_POWERLINE;
>>> +}
>>
>>
>> Making this selection of policy based on sched domain will better. Just
>> gives the flexibility to choose a separate scheme for big and little
>> systems which will be very convenient.
>
> I agree that it would be more flexible to be able to set it for each level
>
Will you be addressing that in next version then ?
Regards
santosh
next prev parent reply other threads:[~2012-11-02 11:00 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-07 7:43 [RFC 0/6] sched: packing small tasks Vincent Guittot
2012-10-07 7:43 ` [RFC 1/6] Revert "sched: introduce temporary FAIR_GROUP_SCHED dependency for load-tracking" Vincent Guittot
2012-10-07 7:43 ` [RFC 2/6] sched: add a new SD SHARE_POWERLINE flag for sched_domain Vincent Guittot
2012-10-24 15:17 ` Santosh Shilimkar
2012-10-29 9:40 ` Vincent Guittot
2012-10-29 9:50 ` Vincent Guittot
2012-11-02 10:27 ` Santosh Shilimkar
2012-10-07 7:43 ` [RFC 3/6] sched: pack small tasks Vincent Guittot
2012-10-24 15:20 ` Santosh Shilimkar
2012-10-29 13:12 ` Vincent Guittot
2012-11-02 10:53 ` Santosh Shilimkar
2012-11-09 16:46 ` Morten Rasmussen
2012-11-12 13:13 ` Vincent Guittot
2012-11-12 9:30 ` Vincent Guittot
2012-11-09 17:13 ` Morten Rasmussen
2012-11-12 13:51 ` Vincent Guittot
2012-11-20 14:28 ` Morten Rasmussen
2012-11-20 16:59 ` Vincent Guittot
2012-10-07 7:43 ` [RFC 4/6] sched: secure access to other CPU statistics Vincent Guittot
2012-10-24 15:21 ` Santosh Shilimkar
2012-10-29 13:18 ` Vincent Guittot
2012-10-07 7:43 ` [RFC 5/6] sched: pack the idle load balance Vincent Guittot
2012-10-24 15:21 ` Santosh Shilimkar
2012-10-29 13:27 ` Vincent Guittot
2012-11-02 10:59 ` Santosh Shilimkar
2012-10-07 7:43 ` [RFC 6/6] ARM: sched: clear SD_SHARE_POWERLINE Vincent Guittot
2012-10-24 15:21 ` Santosh Shilimkar
2012-10-29 13:28 ` Vincent Guittot
2012-11-02 11:00 ` Santosh Shilimkar [this message]
2012-11-12 8:23 ` Vincent Guittot
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