Messages in this thread | | | Date | Mon, 3 Oct 2022 09:28:18 -0500 | Subject | Re: [PATCH v5 12/12] Documentation/x86: Update resctrl_ui.rst for new features | From | "Moger, Babu" <> |
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Hi Reinette,
On 9/29/22 17:10, Reinette Chatre wrote: > Hi Babu, > > In subject: resctrl_ui.rst -> resctrl.rst > > On 9/27/2022 1:27 PM, Babu Moger wrote: >> 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 are memory events. With the > types are memory events -> types of memory events? Ok Sure > >> 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> >> --- > ... > >> + >> +"mbm_total_config", "mbm_local_config": >> + These files contain the current event configuration for the events >> + mbm_total_bytes and mbm_local_bytes, respectively, when the >> + Bandwidth Monitoring Event Configuration (BMEC) feature is supported. >> + The event configuration settings are domain specific. Changing the >> + configuration on one CPU in a domain would affect the whole domain. > This contradicts the implementation done in this series where the > configuration is changed on every CPU in the domain.
How about this?
The event configuration settings are domain specific and will affect all the CPUs in the domain.
Thanks
Babu
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