linux-kernel - Re: [PATCH v2 00/17] x86/resctrl : Support AMD Assignable Bandwidth Monitoring Counters (ABMC)

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: <ec15db92-24bb-46eb-963c-e872ff2ac9e3@intel.com>
Date: Fri, 8 Mar 2024 09:20:33 -0800
From: Reinette Chatre <reinette.chatre@...el.com>
To: <babu.moger@....com>, Peter Newman <peternewman@...gle.com>
CC: James Morse <james.morse@....com>, <corbet@....net>,
	<fenghua.yu@...el.com>, <tglx@...utronix.de>, <mingo@...hat.com>,
	<bp@...en8.de>, <dave.hansen@...ux.intel.com>, <x86@...nel.org>,
	<hpa@...or.com>, <paulmck@...nel.org>, <rdunlap@...radead.org>,
	<tj@...nel.org>, <peterz@...radead.org>, <yanjiewtw@...il.com>,
	<kim.phillips@....com>, <lukas.bulwahn@...il.com>, <seanjc@...gle.com>,
	<jmattson@...gle.com>, <leitao@...ian.org>, <jpoimboe@...nel.org>,
	<rick.p.edgecombe@...el.com>, <kirill.shutemov@...ux.intel.com>,
	<jithu.joseph@...el.com>, <kai.huang@...el.com>, <kan.liang@...ux.intel.com>,
	<daniel.sneddon@...ux.intel.com>, <pbonzini@...hat.com>,
	<sandipan.das@....com>, <ilpo.jarvinen@...ux.intel.com>,
	<maciej.wieczor-retman@...el.com>, <linux-doc@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <eranian@...gle.com>
Subject: Re: [PATCH v2 00/17] x86/resctrl : Support AMD Assignable Bandwidth
 Monitoring Counters (ABMC)

Hi Babu,

On 3/7/2024 7:50 PM, Moger, Babu wrote:
> I am also thinking about replacing the newline requirement for multiple
> groups. Domains separate by "," and groups separate by ";".
> 
> Something like this..
> 
> "/c1/m1/00=_,01=_;/c1/m2/00=_,01=_;/c1/m3/00=lt,01=lt"
> 
> Thoughts?
> 

I would prefer that resctrl uses as consistent interface as possible
between the different files. There are a few files that already
take domains as input (schemata, mbm_total_bytes_config,
mbm_local_bytes_config) and they all separate domains by ";".
I thus find it most appropriate to stick with ";" between domains.

Regarding separation of groups, in schemata file for example it is
already custom to separate groups (resources in that case) with "\n".

Reinette