[PATCH] Count number of logical processors sharing L2 cache

[H.J. Lu]

On Fri, May 20, 2016 at 1:56 AM, Florian Weimer <fweimer@redhat.com> wrote:
> On 05/19/2016 07:50 PM, H.J. Lu wrote:
>>
>> On Fri, May 13, 2016 at 1:39 PM, H.J. Lu <hjl.tools@gmail.com> wrote:
>>>
>>>
>>> We need count number of available logical processors sharing L2
>>> cache.
>>
>>
>> For Intel processors, when there are both L2 and L3 caches, SMT level
>> type should be ued to count number of available logical processors
>> sharing L2 cache.  If there is only L2 cache, core level type should
>> be used to count number of available logical processors sharing L2
>> cache.  Number of available logical processors sharing L2 cache should
>> be used for non-inclusive L2 and L3 caches.
>>
>> Any comments?
>
>
> Is this accounting even relevant anymore, now that cache allocation can be
> tweaked dynamically?

Can you elaborate?


-- 
H.J.