From: Reinette Chatre <reinette.chatre@intel.com>
To: Babu Moger <babu.moger@amd.com>, <corbet@lwn.net>,
<tony.luck@intel.com>, <james.morse@arm.com>,
<tglx@linutronix.de>, <mingo@redhat.com>, <bp@alien8.de>,
<dave.hansen@linux.intel.com>
Cc: <Dave.Martin@arm.com>, <x86@kernel.org>, <hpa@zytor.com>,
<akpm@linux-foundation.org>, <paulmck@kernel.org>,
<rostedt@goodmis.org>, <Neeraj.Upadhyay@amd.com>,
<david@redhat.com>, <arnd@arndb.de>, <fvdl@google.com>,
<seanjc@google.com>, <jpoimboe@kernel.org>,
<pawan.kumar.gupta@linux.intel.com>, <xin@zytor.com>,
<manali.shukla@amd.com>, <tao1.su@linux.intel.com>,
<sohil.mehta@intel.com>, <kai.huang@intel.com>,
<xiaoyao.li@intel.com>, <peterz@infradead.org>,
<xin3.li@intel.com>, <kan.liang@linux.intel.com>,
<mario.limonciello@amd.com>, <thomas.lendacky@amd.com>,
<perry.yuan@amd.com>, <gautham.shenoy@amd.com>,
<chang.seok.bae@intel.com>, <linux-doc@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <peternewman@google.com>,
<eranian@google.com>
Subject: Re: [PATCH v15 11/34] fs/resctrl: Add resctrl file to display number of assignable counters
Date: Thu, 17 Jul 2025 11:46:37 -0700 [thread overview]
Message-ID: <b2966d36-751a-480c-be75-548d29798a92@intel.com> (raw)
In-Reply-To: <c2d804df633ae7e7a2dfabbfd6b4e2d774dfe394.1752013061.git.babu.moger@amd.com>
Hi Babu,
On 7/8/25 3:17 PM, Babu Moger wrote:
> The "mbm_event" counter assignment mode allows users to assign a hardware
> counter to an RMID, event pair and monitor bandwidth usage as long as it is
> assigned. The hardware continues to track the assigned counter until it is
> explicitly unassigned by the user.
>
> Create 'num_mbm_cntrs' resctrl file that displays the number of counters
> supported in each domain. 'num_mbm_cntrs' is only visible to user space
> when the system supports "mbm_event" mode.
>
> Signed-off-by: Babu Moger <babu.moger@amd.com>
> ---
Reviewed-by: Reinette Chatre <reinette.chatre@intel.com>
Reinette
next prev parent reply other threads:[~2025-07-17 18:47 UTC|newest]
Thread overview: 98+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-08 22:17 [PATCH v15 00/34] fs,x86/resctrl: Support AMD Assignable Bandwidth Monitoring Counters (ABMC) Babu Moger
2025-07-08 22:17 ` [PATCH v15 01/34] x86,fs/resctrl: Consolidate monitor event descriptions Babu Moger
2025-07-17 18:43 ` Reinette Chatre
2025-07-18 14:19 ` Moger, Babu
2025-07-08 22:17 ` [PATCH v15 02/34] x86,fs/resctrl: Replace architecture event enabled checks Babu Moger
2025-07-08 22:17 ` [PATCH v15 03/34] x86/resctrl: Remove 'rdt_mon_features' global variable Babu Moger
2025-07-08 22:17 ` [PATCH v15 04/34] x86,fs/resctrl: Prepare for more monitor events Babu Moger
2025-07-08 22:17 ` [PATCH v15 05/34] x86/cpufeatures: Add support for Assignable Bandwidth Monitoring Counters (ABMC) Babu Moger
2025-07-15 11:47 ` Peter Newman
2025-07-15 14:16 ` Moger, Babu
2025-07-08 22:17 ` [PATCH v15 06/34] x86/resctrl: Add ABMC feature in the command line options Babu Moger
2025-07-17 18:44 ` Reinette Chatre
2025-07-08 22:17 ` [PATCH v15 07/34] x86,fs/resctrl: Consolidate monitoring related data from rdt_resource Babu Moger
2025-07-17 18:44 ` Reinette Chatre
2025-07-08 22:17 ` [PATCH v15 08/34] x86,fs/resctrl: Detect Assignable Bandwidth Monitoring feature details Babu Moger
2025-07-15 16:26 ` Reinette Chatre
2025-07-15 16:53 ` Moger, Babu
2025-07-17 18:45 ` Reinette Chatre
2025-07-21 15:20 ` Moger, Babu
2025-07-08 22:17 ` [PATCH v15 09/34] x86/resctrl: Add support to enable/disable AMD ABMC feature Babu Moger
2025-07-17 18:46 ` Reinette Chatre
2025-07-08 22:17 ` [PATCH v15 10/34] fs/resctrl: Introduce the interface to display monitoring modes Babu Moger
2025-07-17 18:46 ` Reinette Chatre
2025-07-08 22:17 ` [PATCH v15 11/34] fs/resctrl: Add resctrl file to display number of assignable counters Babu Moger
2025-07-17 18:46 ` Reinette Chatre [this message]
2025-07-08 22:17 ` [PATCH v15 12/34] fs/resctrl: Introduce mbm_cntr_cfg to track assignable counters per domain Babu Moger
2025-07-17 18:46 ` Reinette Chatre
2025-07-08 22:17 ` [PATCH v15 13/34] fs/resctrl: Introduce interface to display number of free MBM counters Babu Moger
2025-07-17 18:47 ` Reinette Chatre
2025-07-08 22:17 ` [PATCH v15 14/34] x86/resctrl: Add data structures and definitions for ABMC assignment Babu Moger
2025-07-17 18:47 ` Reinette Chatre
2025-07-08 22:17 ` [PATCH v15 15/34] fs/resctrl: Introduce event configuration field in struct mon_evt Babu Moger
2025-07-17 18:47 ` Reinette Chatre
2025-07-08 22:17 ` [PATCH v15 16/34] x86,fs/resctrl: Implement resctrl_arch_config_cntr() to assign a counter with ABMC Babu Moger
2025-07-17 18:49 ` Reinette Chatre
2025-07-21 17:40 ` Moger, Babu
2025-07-08 22:17 ` [PATCH v15 17/34] fs/resctrl: Add the functionality to assign MBM events Babu Moger
2025-07-18 3:47 ` Reinette Chatre
2025-07-21 19:54 ` Moger, Babu
2025-07-08 22:17 ` [PATCH v15 18/34] fs/resctrl: Add the functionality to unassign " Babu Moger
2025-07-18 3:48 ` Reinette Chatre
2025-07-21 20:21 ` Moger, Babu
2025-07-08 22:17 ` [PATCH v15 19/34] fs/resctrl: Pass struct rdtgroup instead of individual members Babu Moger
2025-07-18 3:54 ` Reinette Chatre
2025-07-21 20:59 ` Moger, Babu
2025-07-08 22:17 ` [PATCH v15 20/34] fs/resctrl: Introduce counter read, reset calls in mbm_event mode Babu Moger
2025-07-18 3:50 ` Reinette Chatre
2025-07-21 23:39 ` Moger, Babu
2025-07-08 22:17 ` [PATCH v15 21/34] x86/resctrl: Refactor resctrl_arch_rmid_read() Babu Moger
2025-07-18 3:51 ` Reinette Chatre
2025-07-22 14:23 ` Moger, Babu
2025-07-22 14:56 ` Reinette Chatre
2025-07-22 15:25 ` Moger, Babu
2025-07-08 22:17 ` [PATCH v15 22/34] x86/resctrl: Implement resctrl_arch_reset_cntr() and resctrl_arch_cntr_read() Babu Moger
2025-07-18 3:51 ` Reinette Chatre
2025-07-22 15:51 ` Moger, Babu
2025-07-22 23:27 ` Reinette Chatre
2025-07-23 16:48 ` Moger, Babu
2025-07-08 22:17 ` [PATCH v15 23/34] fs/resctrl: Support counter read/reset with mbm_event assignment mode Babu Moger
2025-07-18 3:53 ` Reinette Chatre
2025-07-22 17:53 ` Moger, Babu
2025-07-08 22:17 ` [PATCH v15 24/34] fs/resctrl: Report 'Unassigned' for MBM events in mbm_event mode Babu Moger
2025-07-18 3:53 ` Reinette Chatre
2025-07-22 18:15 ` Moger, Babu
2025-07-22 23:28 ` Reinette Chatre
2025-07-23 0:26 ` Moger, Babu
2025-07-23 2:05 ` Reinette Chatre
2025-07-23 13:14 ` Moger, Babu
2025-07-08 22:17 ` [PATCH v15 25/34] fs/resctrl: Add definitions for MBM event configuration Babu Moger
2025-07-18 3:55 ` Reinette Chatre
2025-07-22 19:34 ` Moger, Babu
2025-07-08 22:17 ` [PATCH v15 26/34] fs/resctrl: Add event configuration directory under info/L3_MON/ Babu Moger
2025-07-18 3:54 ` Reinette Chatre
2025-07-18 22:20 ` Reinette Chatre
2025-07-22 20:22 ` Moger, Babu
2025-07-22 20:11 ` Moger, Babu
2025-07-08 22:17 ` [PATCH v15 27/34] fs/resctrl: Provide interface to update the event configurations Babu Moger
2025-07-18 3:55 ` Reinette Chatre
2025-07-22 22:55 ` Moger, Babu
2025-07-08 22:17 ` [PATCH v15 28/34] fs/resctrl: Introduce mbm_assign_on_mkdir to enable assignments on mkdir Babu Moger
2025-07-15 13:53 ` Peter Newman
2025-07-15 14:18 ` Moger, Babu
2025-07-15 14:27 ` Reinette Chatre
2025-07-15 15:28 ` Moger, Babu
2025-07-08 22:17 ` [PATCH v15 29/34] x86,fs/resctrl: Auto assign counters on mkdir and clean up on group removal Babu Moger
2025-07-18 3:56 ` Reinette Chatre
2025-07-22 23:59 ` Moger, Babu
2025-07-08 22:17 ` [PATCH v15 30/34] fs/resctrl: Introduce mbm_L3_assignments to list assignments in a group Babu Moger
2025-07-08 22:17 ` [PATCH v15 31/34] fs/resctrl: Introduce the interface to modify " Babu Moger
2025-07-18 4:01 ` Reinette Chatre
2025-07-23 16:19 ` Moger, Babu
2025-07-08 22:17 ` [PATCH v15 32/34] fs/resctrl: Disable BMEC event configuration when mbm_event mode is enabled Babu Moger
2025-07-18 4:02 ` Reinette Chatre
2025-07-23 17:30 ` Moger, Babu
2025-07-08 22:17 ` [PATCH v15 33/34] fs/resctrl: Introduce the interface to switch between monitor modes Babu Moger
2025-07-18 4:03 ` Reinette Chatre
2025-07-23 18:50 ` Moger, Babu
2025-07-08 22:17 ` [PATCH v15 34/34] x86/resctrl: Configure mbm_event mode if supported Babu Moger
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=b2966d36-751a-480c-be75-548d29798a92@intel.com \
--to=reinette.chatre@intel.com \
--cc=Dave.Martin@arm.com \
--cc=Neeraj.Upadhyay@amd.com \
--cc=akpm@linux-foundation.org \
--cc=arnd@arndb.de \
--cc=babu.moger@amd.com \
--cc=bp@alien8.de \
--cc=chang.seok.bae@intel.com \
--cc=corbet@lwn.net \
--cc=dave.hansen@linux.intel.com \
--cc=david@redhat.com \
--cc=eranian@google.com \
--cc=fvdl@google.com \
--cc=gautham.shenoy@amd.com \
--cc=hpa@zytor.com \
--cc=james.morse@arm.com \
--cc=jpoimboe@kernel.org \
--cc=kai.huang@intel.com \
--cc=kan.liang@linux.intel.com \
--cc=linux-doc@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=manali.shukla@amd.com \
--cc=mario.limonciello@amd.com \
--cc=mingo@redhat.com \
--cc=paulmck@kernel.org \
--cc=pawan.kumar.gupta@linux.intel.com \
--cc=perry.yuan@amd.com \
--cc=peternewman@google.com \
--cc=peterz@infradead.org \
--cc=rostedt@goodmis.org \
--cc=seanjc@google.com \
--cc=sohil.mehta@intel.com \
--cc=tao1.su@linux.intel.com \
--cc=tglx@linutronix.de \
--cc=thomas.lendacky@amd.com \
--cc=tony.luck@intel.com \
--cc=x86@kernel.org \
--cc=xiaoyao.li@intel.com \
--cc=xin3.li@intel.com \
--cc=xin@zytor.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.