Re: [PATCH v7 1/2] selftests/resctrl: Adjust effective L3 cache size with SNC enabled

2024-12-16 Thread Maciej Wieczor-Retman
Hello! On 2024-12-09 at 11:18:37 -0800, Reinette Chatre wrote: >Hi Maciej, > >On 12/9/24 3:09 AM, Maciej Wieczor-Retman wrote: >> Sub-NUMA Cluster divides CPUs sharing an L3 cache into separate NUMA >> nodes. Systems may support splitting into either two, three, four or six >> nodes. When SNC mode

Re: [PATCH v7 1/2] selftests/resctrl: Adjust effective L3 cache size with SNC enabled

2024-12-09 Thread Reinette Chatre
Hi Maciej, On 12/9/24 3:09 AM, Maciej Wieczor-Retman wrote: > Sub-NUMA Cluster divides CPUs sharing an L3 cache into separate NUMA > nodes. Systems may support splitting into either two, three, four or six > nodes. When SNC mode is enabled the effective amount of L3 cache > available for allocatio

[PATCH v7 1/2] selftests/resctrl: Adjust effective L3 cache size with SNC enabled

2024-12-09 Thread Maciej Wieczor-Retman
Sub-NUMA Cluster divides CPUs sharing an L3 cache into separate NUMA nodes. Systems may support splitting into either two, three, four or six nodes. When SNC mode is enabled the effective amount of L3 cache available for allocation is divided by the number of nodes per L3. It's possible to detect