Re: [PATCH v5 00/45] CPU hotplug: stop_machine()-free CPU hotplug

From: Srivatsa S. Bhat
Date: Thu Feb 07 2013 - 01:13:49 EST


On 02/07/2013 09:44 AM, Rusty Russell wrote:
> "Srivatsa S. Bhat" <srivatsa.bhat@xxxxxxxxxxxxxxxxxx> writes:
>> On 01/22/2013 01:03 PM, Srivatsa S. Bhat wrote:
>> Avg. latency of 1 CPU offline (ms) [stop-cpu/stop-m/c latency]
>>
>> # online CPUs Mainline (with stop-m/c) This patchset (no stop-m/c)
>>
>> 8 17.04 7.73
>>
>> 16 18.05 6.44
>>
>> 32 17.31 7.39
>>
>> 64 32.40 9.28
>>
>> 128 98.23 7.35
>
> Nice!

Thank you :-)

> I wonder how the ARM guys feel with their quad-cpu systems...
>

That would be definitely interesting to know :-)

Regards,
Srivatsa S. Bhat

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