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>
Cc: <fenghua.yu@intel.com>, <x86@kernel.org>, <hpa@zytor.com>,
<thuth@redhat.com>, <paulmck@kernel.org>, <rostedt@goodmis.org>,
<akpm@linux-foundation.org>, <xiongwei.song@windriver.com>,
<pawan.kumar.gupta@linux.intel.com>,
<daniel.sneddon@linux.intel.com>, <perry.yuan@amd.com>,
<sandipan.das@amd.com>, <kai.huang@intel.com>,
<xiaoyao.li@intel.com>, <seanjc@google.com>,
<jithu.joseph@intel.com>, <brijesh.singh@amd.com>,
<xin3.li@intel.com>, <ebiggers@google.com>,
<andrew.cooper3@citrix.com>, <mario.limonciello@amd.com>,
<james.morse@arm.com>, <tan.shaopeng@fujitsu.com>,
<tony.luck@intel.com>, <vikas.shivappa@linux.intel.com>,
<linux-doc@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<peternewman@google.com>, <maciej.wieczor-retman@intel.com>,
<eranian@google.com>, <jpoimboe@kernel.org>,
<thomas.lendacky@amd.com>
Subject: Re: [PATCH v9 10/26] x86/resctrl: Introduce bitmap mbm_cntr_free_map to track assignable counters
Date: Fri, 15 Nov 2024 16:11:57 -0800 [thread overview]
Message-ID: <eff4e779-405b-4540-9884-19bdd34ddf6e@intel.com> (raw)
In-Reply-To: <d9a18a268ece764a18a177ebfddb9899e53314aa.1730244116.git.babu.moger@amd.com>
Hi Babu,
On 10/29/24 4:21 PM, Babu Moger wrote:
> Hardware provides a set of counters when mbm_assign_mode is supported.
> These counters are assigned to the MBM monitoring events of a CTRL_MON or
> MON group that needs to be tracked. The kernel must manage and track the
> available counters.
>
> Introduce mbm_cntr_free_map bitmap to track available counters and set
> of routines to allocate and free the counters.
>
> dom_data_init() requires mbm_cntr_assign state to initialize
> mbm_cntr_free_map bitmap. Move dom_data_init() after mbm_cntr_assign
> detection.
>
> Signed-off-by: Babu Moger <babu.moger@amd.com>
> ---
Reviewed-by: Reinette Chatre <reinette.chatre@intel.com>
Reinette
next prev parent reply other threads:[~2024-11-16 0:12 UTC|newest]
Thread overview: 115+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-29 23:21 [PATCH v9 00/26] x86/resctrl : Support AMD Assignable Bandwidth Monitoring Counters (ABMC) Babu Moger
2024-10-29 23:21 ` [PATCH v9 01/26] x86/resctrl: Add __init attribute for the functions called in resctrl_late_init Babu Moger
2024-11-15 23:21 ` Reinette Chatre
2024-11-18 17:44 ` Moger, Babu
2024-11-18 22:07 ` Reinette Chatre
2024-11-20 20:02 ` Moger, Babu
2024-10-29 23:21 ` [PATCH v9 02/26] x86/cpufeatures: Add support for Assignable Bandwidth Monitoring Counters (ABMC) Babu Moger
2024-10-29 23:21 ` [PATCH v9 03/26] x86/resctrl: Add ABMC feature in the command line options Babu Moger
2024-10-29 23:21 ` [PATCH v9 04/26] x86/resctrl: Consolidate monitoring related data from rdt_resource Babu Moger
2024-10-29 23:21 ` [PATCH v9 05/26] x86/resctrl: Detect Assignable Bandwidth Monitoring feature details Babu Moger
2024-10-29 23:21 ` [PATCH v9 06/26] x86/resctrl: Introduce resctrl_file_fflags_init() to initialize fflags Babu Moger
2024-10-29 23:21 ` [PATCH v9 07/26] x86/resctrl: Add support to enable/disable AMD ABMC feature Babu Moger
2024-10-29 23:21 ` [PATCH v9 08/26] x86/resctrl: Introduce the interface to display monitor mode Babu Moger
2024-11-16 0:00 ` Reinette Chatre
2024-11-18 19:04 ` Moger, Babu
2024-11-18 22:07 ` Reinette Chatre
2024-11-22 18:25 ` Moger, Babu
2024-11-22 21:37 ` Reinette Chatre
2024-11-23 0:02 ` Moger, Babu
2024-11-25 18:17 ` Reinette Chatre
2024-11-26 17:09 ` Moger, Babu
2024-11-26 19:01 ` Reinette Chatre
2024-11-26 21:57 ` Moger, Babu
2024-10-29 23:21 ` [PATCH v9 09/26] x86/resctrl: Introduce interface to display number of monitoring counters Babu Moger
2024-11-16 0:06 ` Reinette Chatre
2024-11-18 21:31 ` Moger, Babu
2025-02-03 13:26 ` Peter Newman
2024-10-29 23:21 ` [PATCH v9 10/26] x86/resctrl: Introduce bitmap mbm_cntr_free_map to track assignable counters Babu Moger
2024-11-16 0:11 ` Reinette Chatre [this message]
2024-10-29 23:21 ` [PATCH v9 11/26] x86/resctrl: Introduce mbm_total_cfg and mbm_local_cfg in struct rdt_hw_mon_domain Babu Moger
2024-10-29 23:21 ` [PATCH v9 12/26] x86/resctrl: Remove MSR reading of event configuration value Babu Moger
2024-11-16 0:24 ` Reinette Chatre
2024-11-19 16:50 ` Moger, Babu
2024-10-29 23:21 ` [PATCH v9 13/26] x86/resctrl: Introduce mbm_cntr_map to track assignable counters at domain Babu Moger
2024-10-29 23:21 ` [PATCH v9 14/26] x86/resctrl: Introduce interface to display number of free counters Babu Moger
2024-10-29 23:57 ` Luck, Tony
2024-10-30 14:15 ` Moger, Babu
2024-11-04 14:14 ` Peter Newman
2024-11-04 17:31 ` Moger, Babu
2024-11-16 0:31 ` Reinette Chatre
2024-11-19 19:20 ` Moger, Babu
2024-11-21 21:12 ` Reinette Chatre
2024-11-22 23:36 ` Moger, Babu
2024-11-25 19:00 ` Reinette Chatre
2024-11-26 23:31 ` Moger, Babu
2024-11-26 23:56 ` Reinette Chatre
2024-11-27 14:57 ` Moger, Babu
2024-11-27 19:05 ` Reinette Chatre
2024-11-28 11:10 ` Peter Newman
2024-11-28 19:35 ` Moger, Babu
2024-11-29 9:59 ` Peter Newman
2024-11-29 17:06 ` Moger, Babu
2024-12-02 10:43 ` Peter Newman
2024-12-02 15:02 ` Moger, Babu
2024-12-02 18:33 ` Reinette Chatre
2024-12-02 19:48 ` Moger, Babu
2024-12-02 20:15 ` Reinette Chatre
2024-12-02 20:42 ` Moger, Babu
2024-12-02 21:09 ` Reinette Chatre
2024-12-02 21:28 ` Moger, Babu
2024-12-02 21:47 ` Reinette Chatre
2024-12-02 22:06 ` Moger, Babu
2024-10-29 23:21 ` [PATCH v9 15/26] x86/resctrl: Add data structures and definitions for ABMC assignment Babu Moger
2024-11-16 0:35 ` Reinette Chatre
2024-10-29 23:21 ` [PATCH v9 16/26] x86/resctrl: Introduce cntr_id in mongroup for assignments Babu Moger
2024-11-16 0:38 ` Reinette Chatre
2024-11-19 20:02 ` Moger, Babu
2024-10-29 23:21 ` [PATCH v9 17/26] x86/resctrl: Implement resctrl_arch_config_cntr() to assign a counter with ABMC Babu Moger
2024-10-29 23:54 ` Luck, Tony
2024-10-30 14:14 ` Moger, Babu
2024-11-16 0:44 ` Reinette Chatre
2024-11-19 20:12 ` Moger, Babu
2024-11-21 20:18 ` Reinette Chatre
2024-11-22 18:54 ` Moger, Babu
2024-11-22 21:52 ` Reinette Chatre
2024-11-23 0:15 ` Moger, Babu
2024-10-29 23:21 ` [PATCH v9 18/26] x86/resctrl: Add the interface to assign/update counter assignment Babu Moger
2024-11-16 0:57 ` Reinette Chatre
2024-11-20 18:05 ` Moger, Babu
2024-11-21 20:50 ` Reinette Chatre
2024-11-22 21:04 ` Moger, Babu
2024-11-22 22:07 ` Reinette Chatre
2024-11-23 0:09 ` Moger, Babu
2024-12-04 4:16 ` Fenghua Yu
2024-10-29 23:21 ` [PATCH v9 19/26] x86/resctrl: Add the interface to unassign a MBM counter Babu Moger
2024-11-04 14:16 ` Peter Newman
2024-11-04 18:21 ` Moger, Babu
2024-11-05 10:35 ` Peter Newman
2024-11-05 19:58 ` Moger, Babu
2024-10-29 23:21 ` [PATCH v9 20/26] x86/resctrl: Auto assign/unassign counters when mbm_cntr_assign is enabled Babu Moger
2024-11-18 17:18 ` Reinette Chatre
2024-11-22 0:22 ` Moger, Babu
2024-11-22 0:26 ` Moger, Babu
2024-11-22 18:12 ` Reinette Chatre
2024-11-22 21:34 ` Moger, Babu
2024-12-04 4:16 ` Fenghua Yu
2024-12-04 17:03 ` Reinette Chatre
2024-12-04 17:14 ` Moger, Babu
2024-12-04 17:19 ` Moger, Babu
2024-10-29 23:21 ` [PATCH v9 21/26] x86/resctrl: Report "Unassigned" for MBM events in mbm_cntr_assign mode Babu Moger
2024-11-18 17:39 ` Reinette Chatre
2024-11-20 19:14 ` Moger, Babu
2024-10-29 23:21 ` [PATCH v9 22/26] x86/resctrl: Introduce the interface to switch between monitor modes Babu Moger
2024-10-29 23:21 ` [PATCH v9 23/26] x86/resctrl: Configure mbm_cntr_assign mode if supported Babu Moger
2024-11-18 19:23 ` Reinette Chatre
2024-11-20 18:59 ` Moger, Babu
2024-10-29 23:21 ` [PATCH v9 24/26] x86/resctrl: Update assignments on event configuration changes Babu Moger
2024-11-18 19:43 ` Reinette Chatre
2024-11-21 2:14 ` Moger, Babu
2024-11-21 20:58 ` Reinette Chatre
2024-11-22 20:12 ` Moger, Babu
2024-10-29 23:21 ` [PATCH v9 25/26] x86/resctrl: Introduce interface to list assignment states of all the groups Babu Moger
2024-10-29 23:21 ` [PATCH v9 26/26] x86/resctrl: Introduce interface to modify assignment states of " Babu Moger
2024-11-18 21:51 ` Reinette Chatre
2024-11-21 20:29 ` Moger, Babu
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