Re: [Xen-devel] [PATCH v4 4/4] docs: add document to introduce CDP command

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 24.09.15 at 13:22, <ian.campbell@xxxxxxxxxx> wrote:
> On Thu, 2015-09-17 at 17:35 +0800, He Chen wrote:
>> Add new CDP options with CAT commands in xl interface man page.
>> --- a/docs/man/xl.pod.1
>> +++ b/docs/man/xl.pod.1
>> @@ -1530,6 +1530,12 @@ applications. In the Xen implementation, CAT is
>> used to control cache allocation
>>  on VM basis. To enforce cache on a specific domain, just set capacity
>> bitmasks
>>  (CBM) for the domain.
>>  
>> +Intel Broadwell and later server platforms also offer Code/Data 
> Prioritization
>> +(CDP) for cache allocation, which support
> 
>                    allocations,
> 
>>  specifying code or data cache for
> 
> It seems like a word is missing, perhaps "size" as in "code or data case
> size"? Or perhaps "priority"?

No, talk is really about the kind of cache.

>> --- a/docs/misc/xl-psr.markdown
>> +++ b/docs/misc/xl-psr.markdown
>> @@ -14,7 +14,7 @@ tracks cache utilization of memory accesses according
>> to the RMID and reports
>>  monitored data via a counter register.
>>  
>>  For more detailed information please refer to Intel SDM chapter
>> -"17.14 - Platform Shared Resource Monitoring: Cache Monitoring Technology".
>> +"17.15 - Platform Shared Resource Monitoring: Cache Monitoring Technology".
> 
> Was the chapter number just wrong, or are these things prone to changing?
> 
> If the latter then we should either omit them or we need to refer to a
> specific revision of the SDM as well.

They change all the time; I previously suggested to Intel folks to
omit the numbers and just make sure the titles get quoted fully
and correctly.

Jan


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