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From: "Moger, Babu" <bmoger@amd.com>
To: Reinette Chatre <reinette.chatre@intel.com>,
	Babu Moger <babu.moger@amd.com>,
	corbet@lwn.net, tglx@linutronix.de, mingo@redhat.com,
	bp@alien8.de, dave.hansen@linux.intel.com, tony.luck@intel.com,
	peternewman@google.com
Cc: fenghua.yu@intel.com, x86@kernel.org, hpa@zytor.com,
	paulmck@kernel.org, akpm@linux-foundation.org, thuth@redhat.com,
	rostedt@goodmis.org, xiongwei.song@windriver.com,
	pawan.kumar.gupta@linux.intel.com,
	daniel.sneddon@linux.intel.com, jpoimboe@kernel.org,
	perry.yuan@amd.com, sandipan.das@amd.com, kai.huang@intel.com,
	xiaoyao.li@intel.com, seanjc@google.com, xin3.li@intel.com,
	andrew.cooper3@citrix.com, ebiggers@google.com,
	mario.limonciello@amd.com, james.morse@arm.com,
	tan.shaopeng@fujitsu.com, linux-doc@vger.kernel.org,
	linux-kernel@vger.kernel.org, maciej.wieczor-retman@intel.com,
	eranian@google.com
Subject: Re: [PATCH v10 21/24] x86/resctrl: Configure mbm_cntr_assign mode if supported
Date: Sat, 21 Dec 2024 08:33:57 -0600	[thread overview]
Message-ID: <133a64f2-b509-4108-b3dc-9c58d140b25d@amd.com> (raw)
In-Reply-To: <7537448f-d46d-402e-9f0c-6609f0626ff9@intel.com>

Hi Reinette,

On 12/19/2024 9:03 PM, Reinette Chatre wrote:
> Hi Babu,
> 
> On 12/12/24 12:15 PM, Babu Moger wrote:
>> Configure mbm_cntr_assign on AMD. 'mbm_cntr_assign' mode in AMD is ABMC
>> (Assignable Bandwidth Monitoring Counters). It is enabled by default when
>> supported on the system.
> 
> Needs imperative "Enable mbm_cntr_assign mode ..."

Sure.
> 
>>
>> Ensure that the ABMC is updated on all logical processors in the resctrl
>> domain.
> 
> Needs imperative (for example) "Update the assignable counter mode .."
> 

ok. Sure.

> 
> Please distinguish how it is the architecture that decides what the
> default mode should be. resctrl's part is to ensure that architecture
> gets opportunity to configure every logical processor as it comes online.
> 
Yes. Got.

thanks
Babu

  reply	other threads:[~2024-12-21 14:34 UTC|newest]

Thread overview: 76+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-12-12 20:15 [PATCH v10 00/24] x86/resctrl : Support AMD Assignable Bandwidth Monitoring Counters (ABMC) Babu Moger
2024-12-12 20:15 ` [PATCH v10 01/24] x86/resctrl: Add __init attribute to functions called from resctrl_late_init() Babu Moger
2024-12-12 20:15 ` [PATCH v10 02/24] x86/cpufeatures: Add support for Assignable Bandwidth Monitoring Counters (ABMC) Babu Moger
2024-12-12 20:15 ` [PATCH v10 03/24] x86/resctrl: Add ABMC feature in the command line options Babu Moger
2024-12-12 20:15 ` [PATCH v10 04/24] x86/resctrl: Consolidate monitoring related data from rdt_resource Babu Moger
2024-12-12 20:15 ` [PATCH v10 05/24] x86/resctrl: Detect Assignable Bandwidth Monitoring feature details Babu Moger
2024-12-12 20:15 ` [PATCH v10 06/24] x86/resctrl: Introduce resctrl_file_fflags_init() to initialize fflags Babu Moger
2024-12-12 20:15 ` [PATCH v10 07/24] x86/resctrl: Add support to enable/disable AMD ABMC feature Babu Moger
2024-12-19 21:48   ` Reinette Chatre
2024-12-20 15:14     ` Moger, Babu
2024-12-20 17:16       ` Reinette Chatre
2024-12-12 20:15 ` [PATCH v10 08/24] x86/resctrl: Introduce the interface to display monitor mode Babu Moger
2024-12-19 21:59   ` Reinette Chatre
2024-12-20 15:31     ` Moger, Babu
2024-12-12 20:15 ` [PATCH v10 09/24] x86/resctrl: Introduce interface to display number of monitoring counters Babu Moger
2024-12-19 22:03   ` Reinette Chatre
2024-12-20 15:41     ` Moger, Babu
2024-12-12 20:15 ` [PATCH v10 10/24] x86/resctrl: Introduce mbm_total_cfg and mbm_local_cfg in struct rdt_hw_mon_domain Babu Moger
2024-12-12 20:15 ` [PATCH v10 11/24] x86/resctrl: Remove MSR reading of event configuration value Babu Moger
2024-12-19 22:12   ` Reinette Chatre
2024-12-20 16:09     ` Moger, Babu
2024-12-12 20:15 ` [PATCH v10 12/24] x86/resctrl: Introduce cntr_cfg to track assignable counters at domain Babu Moger
2024-12-19 22:33   ` Reinette Chatre
2024-12-20 17:33     ` Moger, Babu
2024-12-20 20:58       ` Reinette Chatre
2024-12-12 20:15 ` [PATCH v10 13/24] x86/resctrl: Introduce interface to display number of free counters Babu Moger
2024-12-19 22:50   ` Reinette Chatre
2024-12-20 18:05     ` Moger, Babu
2024-12-20 18:32     ` Moger, Babu
2024-12-12 20:15 ` [PATCH v10 14/24] x86/resctrl: Add data structures and definitions for ABMC assignment Babu Moger
2024-12-12 20:15 ` [PATCH v10 15/24] x86/resctrl: Implement resctrl_arch_config_cntr() to assign a counter with ABMC Babu Moger
2024-12-19 23:04   ` Reinette Chatre
2024-12-20 19:22     ` Moger, Babu
2024-12-20 21:41       ` Reinette Chatre
2024-12-20 22:28         ` Moger, Babu
2024-12-20 23:47           ` Reinette Chatre
2024-12-21 13:40             ` Moger, Babu
2024-12-12 20:15 ` [PATCH v10 16/24] x86/resctrl: Add interface to the assign counter Babu Moger
2024-12-12 23:37   ` Luck, Tony
2024-12-13 15:57     ` Moger, Babu
2024-12-13 16:24       ` Luck, Tony
2024-12-13 16:54         ` Moger, Babu
2024-12-18 22:01           ` Reinette Chatre
2024-12-19 19:45             ` Moger, Babu
2024-12-19 21:12               ` Reinette Chatre
2024-12-19 21:38                 ` Moger, Babu
2024-12-19 21:45                   ` Luck, Tony
2024-12-19 22:33                     ` Moger, Babu
2024-12-19 23:22   ` Reinette Chatre
2024-12-20 20:34     ` Moger, Babu
2024-12-12 20:15 ` [PATCH v10 17/24] x86/resctrl: Add the interface to unassign a counter Babu Moger
2024-12-19 23:32   ` Reinette Chatre
2024-12-20 21:38     ` Moger, Babu
2024-12-12 20:15 ` [PATCH v10 18/24] x86/resctrl: Auto assign/unassign counters when mbm_cntr_assign is enabled Babu Moger
2024-12-19 23:39   ` Reinette Chatre
2024-12-21 13:45     ` Moger, Babu
2024-12-12 20:15 ` [PATCH v10 19/24] x86/resctrl: Report "Unassigned" for MBM events in mbm_cntr_assign mode Babu Moger
2024-12-19 23:59   ` Reinette Chatre
2024-12-21 14:04     ` Moger, Babu
2024-12-12 20:15 ` [PATCH v10 20/24] x86/resctrl: Introduce the interface to switch between monitor modes Babu Moger
2024-12-20  2:56   ` Reinette Chatre
2024-12-21 14:20     ` Moger, Babu
2024-12-12 20:15 ` [PATCH v10 21/24] x86/resctrl: Configure mbm_cntr_assign mode if supported Babu Moger
2024-12-20  3:03   ` Reinette Chatre
2024-12-21 14:33     ` Moger, Babu [this message]
2024-12-12 20:15 ` [PATCH v10 22/24] x86/resctrl: Update assignments on event configuration changes Babu Moger
2024-12-20  3:12   ` Reinette Chatre
2024-12-21 14:59     ` Moger, Babu
2024-12-23 16:20       ` Reinette Chatre
2025-01-13 20:03         ` Moger, Babu
2024-12-12 20:15 ` [PATCH v10 23/24] x86/resctrl: Introduce interface to list assignment states of all the groups Babu Moger
2024-12-12 22:57   ` Luck, Tony
2024-12-13 15:23     ` Moger, Babu
2024-12-12 20:15 ` [PATCH v10 24/24] x86/resctrl: Introduce interface to modify assignment states of " Babu Moger
2024-12-20  3:23   ` Reinette Chatre
2024-12-21 15:28     ` Moger, Babu

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