Re: [PATCH v11 04/13] x86/cpufeatures: Add Bandwidth Monitoring Event Configuration feature flag

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Hi Babu,

On 1/24/2023 11:03 AM, Moger, Babu wrote:
> 
> Yes. It is available.  But, the feature BMEC is not explicitly available.

I think your addition [1] to the resctrl documentation explains
well how user space can determine which parts of BMEC are available:

		If the system supports Bandwidth Monitoring Event
		Configuration (BMEC), then the bandwidth events will
		be configurable. The output will be::

			# cat /sys/fs/resctrl/info/L3_MON/mon_features
			llc_occupancy
			mbm_total_bytes
			mbm_total_bytes_config
			mbm_local_bytes
			mbm_local_bytes_config


Reinette

[1] https://lore.kernel.org/lkml/20230113152039.770054-14-babu.moger@xxxxxxx/




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