linux-kernel - Re: [PATCH v18 28/33] fs/resctrl: Introduce mbm_L3_assignments to list assignments in a group

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <a34a2f1a-6383-40dc-a85c-a82e6a69b1e5@intel.com>
Date: Fri, 5 Sep 2025 21:49:57 -0700
From: Reinette Chatre <reinette.chatre@...el.com>
To: Babu Moger <babu.moger@....com>, <corbet@....net>, <tony.luck@...el.com>,
	<Dave.Martin@....com>, <james.morse@....com>, <tglx@...utronix.de>,
	<mingo@...hat.com>, <bp@...en8.de>, <dave.hansen@...ux.intel.com>
CC: <x86@...nel.org>, <hpa@...or.com>, <kas@...nel.org>,
	<rick.p.edgecombe@...el.com>, <akpm@...ux-foundation.org>,
	<paulmck@...nel.org>, <frederic@...nel.org>, <pmladek@...e.com>,
	<rostedt@...dmis.org>, <kees@...nel.org>, <arnd@...db.de>, <fvdl@...gle.com>,
	<seanjc@...gle.com>, <thomas.lendacky@....com>,
	<pawan.kumar.gupta@...ux.intel.com>, <perry.yuan@....com>,
	<manali.shukla@....com>, <sohil.mehta@...el.com>, <xin@...or.com>,
	<Neeraj.Upadhyay@....com>, <peterz@...radead.org>, <tiala@...rosoft.com>,
	<mario.limonciello@....com>, <dapeng1.mi@...ux.intel.com>,
	<michael.roth@....com>, <chang.seok.bae@...el.com>,
	<linux-doc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-coco@...ts.linux.dev>, <kvm@...r.kernel.org>,
	<peternewman@...gle.com>, <eranian@...gle.com>, <gautham.shenoy@....com>
Subject: Re: [PATCH v18 28/33] fs/resctrl: Introduce mbm_L3_assignments to
 list assignments in a group

Hi Babu,

On 9/5/25 2:34 PM, Babu Moger wrote:
> Introduce the mbm_L3_assignments resctrl file associated with CTRL_MON and
> MON resource groups to display the counter assignment states of the
> resource group when "mbm_event" counter assignment mode is enabled.
> 
> Display the list in the following format:
> <Event>:<Domain id>=<Assignment state>;<Domain id>=<Assignment state>
> 
> Event: A valid MBM event listed in
>        /sys/fs/resctrl/info/L3_MON/event_configs directory.
> 
> Domain ID: A valid domain ID.
> 
> The assignment state can be one of the following:
> 
> _ : No counter assigned.
> 
> e : Counter assigned exclusively.
> 
> Example:
> To list the assignment states for the default group
> $ cd /sys/fs/resctrl
> $ cat /sys/fs/resctrl/mbm_L3_assignments
> mbm_total_bytes:0=e;1=e
> mbm_local_bytes:0=e;1=e
> 
> Signed-off-by: Babu Moger <babu.moger@....com>
> ---

Reviewed-by: Reinette Chatre <reinette.chatre@...el.com>

Reinette