Messages in this thread | | | Date | Thu, 29 Sep 2022 15:10:25 -0700 | Subject | Re: [PATCH v5 12/12] Documentation/x86: Update resctrl_ui.rst for new features | From | Reinette Chatre <> |
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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?
> 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.
Reinette
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