linux-kernel - Re: [PATCH v8 08/25] x86/resctrl: Introduce interface to display number of monitoring counters

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Message-ID: <ee7771e4-3768-456c-9990-fcd59b4f74af@intel.com>
Date: Mon, 14 Oct 2024 09:46:01 -0700
From: Reinette Chatre <reinette.chatre@...el.com>
To: Tony Luck <tony.luck@...el.com>, <babu.moger@....com>
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Subject: Re: [PATCH v8 08/25] x86/resctrl: Introduce interface to display
 number of monitoring counters

Hi Tony,

On 10/11/24 2:36 PM, Tony Luck wrote:
> On Fri, Oct 11, 2024 at 03:49:48PM -0500, Moger, Babu wrote:
> 
> I.e. the user who chose this simply gave up being able to
> read total bandwidth on domain 1, but didn't get an extra
> counter in exchange for this sacrifice. That doesn't seem
> like a good deal.

As Babu mentioned earlier, this seems equivalent to the existing
CLOSid management. For example, if a user assigns only CPUs
from one domain to a resource group, it does not free up the
CLOSID to create a new resource group dedicated to other domain(s).

Reinette