Thursday, September 8, 2016

[fedora-arm] Re: Fedora 24 Mate Spin fails to start all cpus on Odroid-Xu4

Hi Peter,

I am not doing anything with the system other than booting up and
logging in. This is true for the Ubuntu build as well.

Where are these policies set and can you provide any me any direction
for documentation on them? seeming these are distro specific, I would
expect something relative to Fedora.

Thanks.

Stewart


On 09/08/2016 05:29 AM, Peter Robinson wrote:
> On Wed, Sep 7, 2016 at 8:44 PM, Stewart Samuels <searider74@gmail.com> wrote:
>> Hi Peter,
>>
>> Here is the result of lscpu.
>>
>> ---------------------------------------------------------------------------------------
>> [root@myodroid ~]# lscpu
>> Architecture: armv7l
>> Byte Order: Little Endian
>> CPU(s): 8
>> On-line CPU(s) list: 0-4
>> Off-line CPU(s) list: 5-7
>> Thread(s) per core: 1
>> Core(s) per socket: 2
>> Socket(s): 2
>> Model name: ARMv7 Processor rev 3 (v7l)
>> CPU max MHz: 1300.0000
>> CPU min MHz: 200.0000
>> ----------------------------------------------------------------------------------------
>>
>> Is there any way to enable these other cpus? My Ubuntu 16.04 installation
>> has them all enabled and the Ubuntu responsiveness is much quicker. I
>> suspect this has something to do with it.
> So it's shut them off, it's something with the way the big.LITTLE
> stuff works, so it's basically as expected. I believe it's handled as
> part of the cpufreq policies from user space but I've done little with
> the b.L stuff so I'm not sure. I'd try with the performance policy
> first.
>
> In terms of speed vs other distros, it would likely depend on a lot
> more than just the cores that are running but I have no idea what
> you're doing with it (remote server/desktop/what ever) so there's
> likely a lot that will come into play.
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