public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: "Moger, Babu" <babu.moger@amd.com>
To: Reinette Chatre <reinette.chatre@intel.com>,
	corbet@lwn.net, tglx@linutronix.de, mingo@redhat.com,
	bp@alien8.de
Cc: fenghua.yu@intel.com, dave.hansen@linux.intel.com,
	x86@kernel.org, hpa@zytor.com, paulmck@kernel.org,
	akpm@linux-foundation.org, quic_neeraju@quicinc.com,
	rdunlap@infradead.org, damien.lemoal@opensource.wdc.com,
	songmuchun@bytedance.com, peterz@infradead.org,
	jpoimboe@kernel.org, pbonzini@redhat.com,
	chang.seok.bae@intel.com, pawan.kumar.gupta@linux.intel.com,
	jmattson@google.com, daniel.sneddon@linux.intel.com,
	sandipan.das@amd.com, tony.luck@intel.com, james.morse@arm.com,
	linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
	bagasdotme@gmail.com, eranian@google.com,
	christophe.leroy@csgroup.eu, jarkko@kernel.org,
	adrian.hunter@intel.com, quic_jiles@quicinc.com,
	peternewman@google.com
Subject: Re: [PATCH v6 4/8] x86/resctrl: Add comments on RFTYPE flags hierarchy
Date: Mon, 7 Aug 2023 10:40:23 -0500	[thread overview]
Message-ID: <d6dfa143-36e1-a92e-8a73-7b5dfd3db62d@amd.com> (raw)
In-Reply-To: <41c166e8-d6a2-7be8-1d4e-6b2b1cc62f2a@intel.com>

Hi Reinette,

On 8/4/23 15:39, Reinette Chatre wrote:
> Hi Babu,
> 
> On 7/19/2023 4:21 PM, Babu Moger wrote:
>> + *	------------------------------------------------------------------
>> + *	--> RFTYPE_INFO
>> + *	--> <info> directory
>> + *		--> RFTYPE_TOP_INFO
>> + *		    Files: last_cmd_status
>> + *
>> + *		--> RFTYPE_MON_INFO
>> + *		--> <L3_MON> directory
>> + *		    Files: max_threshold_occupancy, mon_features,
>> + *		           num_rmids, mbm_total_bytes_config,
>> + *		           mbm_locat_bytes_config
> 
> mbm_locat_bytes_config -> mbm_local_bytes_config

Good catch. Thanks

> 
>> + *
>> + *		--> RFTYPE_CTRL_INFO
>> + *			--> RFTYPE_RES_CACHE
>> + *			--> <L2,L3> directory
> 
> Should this be "directories"?

Yes.

> 
>> + *			    Files: bit_usage, cbm_mask, min_cbm_bits,
>> + *			           num_closids, shareable_bits
> 
> Based on the hierarchy presented the files mentioned here may be expected
> to be associated with RFTYPE_CTRL_INFO | RFTYPE_RES_CACHE.
> For accuracy it may be better to move num_closids one level higher so
> that it is only associated with RFTYPE_CTRL_INFO?
> 
>> + *
>> + *			--> RFTYPE_RES_MB
>> + *			--> <MB,SMBA> directory
> 
> directories?

Yes.

> 
>> + *			    Files: bandwidth_gran, delay_linear,
>> + * 			           min_bandwidth, num_closids,
> 
> Please remove space before tab for a clean checkpatch.pl run.

Sure.
> 
>> + *			           thread_throttle_mode
>> + *
>> + *	base (root) directory structure
> 
> Since "base" refers to more than the root directory I think this can
> just be "base directory structure".

Sure.

> 
>> + *	------------------------------------------------------------------
>> + *	--> RFTYPE_BASE (Files common for both MON and CTRL groups)
>> + *	    Files: cpus, cpus_list, tasks
>> + *
>> + *	--> RFTYPE_CTRL_BASE (Files only for CTRL group)
>> + *	    Files: mode, schemata, size
>> + *
>>   */
>>  #define RFTYPE_INFO			BIT(0)
>>  #define RFTYPE_BASE			BIT(1)
>>
>>
> 
> Reinette

-- 
Thanks
Babu Moger

  reply	other threads:[~2023-08-07 15:40 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-19 23:21 [PATCH v6 0/8] x86/resctrl: Miscellaneous resctrl features Babu Moger
2023-07-19 23:21 ` [PATCH v6 1/8] x86/resctrl: Add multiple tasks to the resctrl group at once Babu Moger
2023-07-19 23:21 ` [PATCH v6 2/8] x86/resctrl: Simplify rftype flag definitions Babu Moger
2023-07-19 23:21 ` [PATCH v6 3/8] x86/resctrl: Rename rftype flags for consistency Babu Moger
2023-07-19 23:21 ` [PATCH v6 4/8] x86/resctrl: Add comments on RFTYPE flags hierarchy Babu Moger
2023-08-04 20:39   ` Reinette Chatre
2023-08-07 15:40     ` Moger, Babu [this message]
2023-08-11 20:15     ` Moger, Babu
2023-07-19 23:22 ` [PATCH v6 5/8] x86/resctrl: Unwind the errors inside rdt_enable_ctx Babu Moger
2023-08-04 20:41   ` Reinette Chatre
2023-08-07 16:19     ` Moger, Babu
2023-07-19 23:22 ` [PATCH v6 6/8] x86/resctrl: Move default control group creation during mount Babu Moger
2023-08-04 20:42   ` Reinette Chatre
2023-08-08 16:22     ` Moger, Babu
2023-07-19 23:22 ` [PATCH v6 7/8] x86/resctrl: Introduce "-o debug" mount option Babu Moger
2023-08-04 20:42   ` Reinette Chatre
2023-08-08 16:29     ` Moger, Babu
2023-08-08 17:09       ` Reinette Chatre
2023-07-19 23:22 ` [PATCH v6 8/8] x86/resctrl: Display hardware ids of resource groups Babu Moger
2023-08-02  1:36 ` [PATCH v6 0/8] x86/resctrl: Miscellaneous resctrl features Shaopeng Tan (Fujitsu)
2023-08-08 16:48   ` Moger, Babu

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=d6dfa143-36e1-a92e-8a73-7b5dfd3db62d@amd.com \
    --to=babu.moger@amd.com \
    --cc=adrian.hunter@intel.com \
    --cc=akpm@linux-foundation.org \
    --cc=bagasdotme@gmail.com \
    --cc=bp@alien8.de \
    --cc=chang.seok.bae@intel.com \
    --cc=christophe.leroy@csgroup.eu \
    --cc=corbet@lwn.net \
    --cc=damien.lemoal@opensource.wdc.com \
    --cc=daniel.sneddon@linux.intel.com \
    --cc=dave.hansen@linux.intel.com \
    --cc=eranian@google.com \
    --cc=fenghua.yu@intel.com \
    --cc=hpa@zytor.com \
    --cc=james.morse@arm.com \
    --cc=jarkko@kernel.org \
    --cc=jmattson@google.com \
    --cc=jpoimboe@kernel.org \
    --cc=linux-doc@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@redhat.com \
    --cc=paulmck@kernel.org \
    --cc=pawan.kumar.gupta@linux.intel.com \
    --cc=pbonzini@redhat.com \
    --cc=peternewman@google.com \
    --cc=peterz@infradead.org \
    --cc=quic_jiles@quicinc.com \
    --cc=quic_neeraju@quicinc.com \
    --cc=rdunlap@infradead.org \
    --cc=reinette.chatre@intel.com \
    --cc=sandipan.das@amd.com \
    --cc=songmuchun@bytedance.com \
    --cc=tglx@linutronix.de \
    --cc=tony.luck@intel.com \
    --cc=x86@kernel.org \
    /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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox