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From: Reinette Chatre <reinette.chatre@intel.com>
To: <babu.moger@amd.com>, <tony.luck@intel.com>, <peternewman@google.com>
Cc: <corbet@lwn.net>, <tglx@linutronix.de>, <mingo@redhat.com>,
	<bp@alien8.de>, <dave.hansen@linux.intel.com>, <x86@kernel.org>,
	<hpa@zytor.com>, <paulmck@kernel.org>,
	<akpm@linux-foundation.org>, <thuth@redhat.com>,
	<rostedt@goodmis.org>, <ardb@kernel.org>,
	<gregkh@linuxfoundation.org>, <daniel.sneddon@linux.intel.com>,
	<jpoimboe@kernel.org>, <alexandre.chartre@oracle.com>,
	<pawan.kumar.gupta@linux.intel.com>, <thomas.lendacky@amd.com>,
	<perry.yuan@amd.com>, <seanjc@google.com>, <kai.huang@intel.com>,
	<xiaoyao.li@intel.com>, <kan.liang@linux.intel.com>,
	<xin3.li@intel.com>, <ebiggers@google.com>, <xin@zytor.com>,
	<sohil.mehta@intel.com>, <andrew.cooper3@citrix.com>,
	<mario.limonciello@amd.com>, <linux-doc@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>, <maciej.wieczor-retman@intel.com>,
	<eranian@google.com>
Subject: Re: [PATCH v12 13/26] x86/resctrl: Implement resctrl_arch_config_cntr() to assign a counter with ABMC
Date: Tue, 15 Apr 2025 09:38:56 -0700	[thread overview]
Message-ID: <456839d0-031c-448d-9f54-5e65a29ebf9d@intel.com> (raw)
In-Reply-To: <a05b3226-b341-4003-a0d3-8e1594d95052@amd.com>

Hi Babu,

On 4/14/25 1:51 PM, Moger, Babu wrote:
> Hi Reinette,
> 
> On 4/11/25 16:02, Reinette Chatre wrote:
>> Hi Babu,
>>
>> On 4/3/25 5:18 PM, Babu Moger wrote:

>>> @@ -394,6 +394,21 @@ void resctrl_arch_mon_event_config_set(void *config_info);
>>>  u32 resctrl_arch_mon_event_config_get(struct rdt_mon_domain *d,
>>>  				      enum resctrl_event_id eventid);
>>>  
>>> +/**
>>> + * resctrl_arch_config_cntr() - Configure the counter on the domain
>>> + * @r:			resource that the counter should be read from.
>>> + * @d:			domain that the counter should be read from.
>>> + * @evtid:		event type to assign
>>> + * @rmid:		rmid of the counter to read.
>>> + * @closid:		closid that matches the rmid.
>>> + * @cntr_id:		Counter ID to configure
>>> + * @evt_cfg:		event configuration
>>
>> "event configuration" is simply an expansion of member name and does not help to
>> understand what the value represents.
> 
> How about?
> 
> "MBM Event configuration value representing reads, writes etc.."

This is more helpful (note Event -> event). When data structures are decided it
will also be helpful to include reference of where this data is maintained and
how it is formatted.

Reinette

  reply	other threads:[~2025-04-15 16:39 UTC|newest]

Thread overview: 80+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-04-04  0:18 [PATCH v12 00/26] x86/resctrl : Support AMD Assignable Bandwidth Monitoring Counters (ABMC) Babu Moger
2025-04-04  0:18 ` [PATCH v12 01/26] x86/resctrl: Introduce mbm_total_cfg and mbm_local_cfg in struct rdt_hw_mon_domain Babu Moger
2025-04-11 20:49   ` Reinette Chatre
2025-04-14 15:56     ` Moger, Babu
2025-04-04  0:18 ` [PATCH v12 02/26] x86/resctrl: Remove MSR reading of event configuration value Babu Moger
2025-04-11 20:50   ` Reinette Chatre
2025-04-14 15:57     ` Moger, Babu
2025-04-04  0:18 ` [PATCH v12 03/26] x86/cpufeatures: Add support for Assignable Bandwidth Monitoring Counters (ABMC) Babu Moger
2025-04-11 20:52   ` Reinette Chatre
2025-04-14 17:48     ` Moger, Babu
2025-04-15 16:09       ` Reinette Chatre
2025-04-15 19:43         ` Moger, Babu
2025-04-16 16:08           ` Reinette Chatre
2025-04-17 14:27             ` Moger, Babu
2025-04-04  0:18 ` [PATCH v12 04/26] x86/resctrl: Add ABMC feature in the command line options Babu Moger
2025-04-04  0:18 ` [PATCH v12 05/26] x86/resctrl: Consolidate monitoring related data from rdt_resource Babu Moger
2025-04-04  0:18 ` [PATCH v12 06/26] x86/resctrl: Detect Assignable Bandwidth Monitoring feature details Babu Moger
2025-04-04  0:18 ` [PATCH v12 07/26] x86/resctrl: Add support to enable/disable AMD ABMC feature Babu Moger
2025-04-04  0:18 ` [PATCH v12 08/26] x86/resctrl: Introduce the interface to display monitor mode Babu Moger
2025-04-11 20:56   ` Reinette Chatre
2025-04-14 19:52     ` Moger, Babu
2025-04-15 16:22       ` Reinette Chatre
2025-04-16 14:05         ` Moger, Babu
2025-04-04  0:18 ` [PATCH v12 09/26] x86/resctrl: Introduce interface to display number of monitoring counters Babu Moger
2025-04-11 21:01   ` Reinette Chatre
2025-04-14 20:12     ` Moger, Babu
2025-04-04  0:18 ` [PATCH v12 10/26] x86/resctrl: Introduce mbm_cntr_cfg to track assignable counters at domain Babu Moger
2025-04-04  0:18 ` [PATCH v12 11/26] x86/resctrl: Introduce interface to display number of free MBM counters Babu Moger
2025-04-04  0:18 ` [PATCH v12 12/26] x86/resctrl: Add data structures and definitions for ABMC assignment Babu Moger
2025-04-11 21:01   ` Reinette Chatre
2025-04-14 20:30     ` Moger, Babu
2025-04-15 16:30       ` Reinette Chatre
2025-04-16 15:43         ` Moger, Babu
2025-04-04  0:18 ` [PATCH v12 13/26] x86/resctrl: Implement resctrl_arch_config_cntr() to assign a counter with ABMC Babu Moger
2025-04-11 21:02   ` Reinette Chatre
2025-04-14 20:51     ` Moger, Babu
2025-04-15 16:38       ` Reinette Chatre [this message]
2025-04-16 15:51         ` Moger, Babu
2025-04-04  0:18 ` [PATCH v12 14/26] x86/resctrl: Add the functionality to assign MBM events Babu Moger
2025-04-11 21:04   ` Reinette Chatre
2025-04-15 14:20     ` Moger, Babu
2025-04-15 16:53       ` Reinette Chatre
2025-04-16 17:09         ` Moger, Babu
2025-04-16 17:55           ` Luck, Tony
2025-04-16 18:17             ` Moger, Babu
2025-04-16 19:02           ` Reinette Chatre
2025-04-16 19:29             ` Moger, Babu
2025-04-04  0:18 ` [PATCH v12 15/26] x86/resctrl: Add the functionality to unassign " Babu Moger
2025-04-04  0:18 ` [PATCH v12 16/26] x86/resctrl: Report 'Unassigned' for MBM events in mbm_cntr_assign mode Babu Moger
2025-04-11 21:08   ` Reinette Chatre
2025-04-15 15:00     ` Moger, Babu
2025-04-04  0:18 ` [PATCH v12 17/26] x86/resctrl: Add the support for reading ABMC counters Babu Moger
2025-04-11 21:21   ` Reinette Chatre
2025-04-15 16:41     ` Moger, Babu
2025-04-04  0:18 ` [PATCH v12 18/26] x86/resctrl: Add default MBM event configurations for mbm_cntr_assign mode Babu Moger
2025-04-11 21:44   ` Reinette Chatre
2025-04-15 18:48     ` Moger, Babu
2025-04-15 19:25       ` Luck, Tony
2025-04-16 16:21         ` Reinette Chatre
2025-04-16 17:26           ` Moger, Babu
2025-04-16 16:18       ` Reinette Chatre
2025-04-16 17:27         ` Moger, Babu
2025-04-04  0:18 ` [PATCH v12 19/26] x86/resctrl: Add event configuration directory under info/L3_MON/ Babu Moger
2025-04-11 22:04   ` Reinette Chatre
2025-04-15 20:29     ` Moger, Babu
2025-04-04  0:18 ` [PATCH v12 20/26] x86/resctrl: Provide interface to update the event configurations Babu Moger
2025-04-11 22:07   ` Reinette Chatre
2025-04-15 20:37     ` Moger, Babu
2025-04-16 18:52       ` Reinette Chatre
2025-04-17 14:34         ` Moger, Babu
2025-04-17 15:09           ` Reinette Chatre
2025-04-17 20:19             ` Moger, Babu
2025-04-04  0:18 ` [PATCH v12 21/26] x86/resctrl: Introduce mbm_assign_on_mkdir to configure assignments Babu Moger
2025-04-11 22:08   ` Reinette Chatre
2025-04-15 20:39     ` Moger, Babu
2025-04-04  0:18 ` [PATCH v12 22/26] x86/resctrl: Auto assign/unassign counters when mbm_cntr_assign is enabled Babu Moger
2025-04-04  0:18 ` [PATCH v12 23/26] x86/resctrl: Introduce mbm_L3_assignments to list assignments in a group Babu Moger
2025-04-04  0:18 ` [PATCH v12 24/26] x86/resctrl: Introduce the interface to modify " Babu Moger
2025-04-04  0:18 ` [PATCH v12 25/26] x86/resctrl: Introduce the interface to switch between monitor modes Babu Moger
2025-04-04  0:18 ` [PATCH v12 26/26] x86/resctrl: Configure mbm_cntr_assign mode if supported Babu Moger

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