From: Reinette Chatre <reinette.chatre@intel.com>
To: 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>, <andipan.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: Thu, 19 Dec 2024 19:03:49 -0800 [thread overview]
Message-ID: <7537448f-d46d-402e-9f0c-6609f0626ff9@intel.com> (raw)
In-Reply-To: <5ef497199a48c72a3a9100ca5e96f6a04ba94f30.1734034524.git.babu.moger@amd.com>
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 ..."
>
> Ensure that the ABMC is updated on all logical processors in the resctrl
> domain.
Needs imperative (for example) "Update the assignable counter mode .."
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.
Reinette
next prev parent reply other threads:[~2024-12-20 3:04 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 [this message]
2024-12-21 14:33 ` Moger, Babu
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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