Thread (22 messages) flat view 22 messages, 3 authors, 2026-03-24

Re: [RFC patch 8/9] selftests/resctrl: Add support for HiSilicon MBM/MBA test

From: wuyifan <hidden>
Date: 2026-03-23 09:19:13
Also in: linux-kselftest, lkml

Hi Reinette,

On 3/13/2026 5:01 AM, Reinette Chatre wrote:
Which baseline exposes MB_MON in resctrl?

Reinette
In the MPAM architecture reference manual, the memory-system component
includes the cache and memory channel controller, among others. The memory
channel controller can implement a memory bandwidth usage monitor.
I noticed that arm_mpam maps other classes to l3 in the resctrl glue code,
so I will fix this in the next version.

Regards,
Yifan Wu

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