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Documentation/x86: Update resctrl.rst for new features
Update the documentation for the new features: 1. Slow Memory Bandwidth allocation (SMBA). With this feature, the QOS enforcement policies can be applied to the external slow memory connected to the host. QOS enforcement is accomplished by assigning a Class Of Service (COS) to a processor and specifying allocations or limits for that COS for each resource to be allocated. 2. Bandwidth Monitoring Event Configuration (BMEC). The bandwidth monitoring events mbm_total_bytes and mbm_local_bytes are set to count all the total and local reads/writes respectively. With the introduction of slow memory, the two counters are not enough to count all the different types of memory events. With the feature BMEC, the users have the option to configure mbm_total_bytes and mbm_local_bytes to count the specific type of events. Also add configuration instructions with examples. Signed-off-by: Babu Moger <babu.moger@amd.com> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Reviewed-by: Reinette Chatre <reinette.chatre@intel.com> Link: https://lore.kernel.org/r/20230113152039.770054-14-babu.moger@amd.com
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Babu Moger
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Borislav Petkov (AMD)
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Jan 23, 2023
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