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From: NeilBrown <neilb@suse.com>
To: lustre-devel@lists.lustre.org
Subject: [lustre-devel] [PATCH v3 08/26] staging: lustre: libcfs: add cpu distance handling
Date: Wed, 27 Jun 2018 12:50:54 +1000	[thread overview]
Message-ID: <87fu196iy9.fsf@notabene.neil.brown.name> (raw)
In-Reply-To: <alpine.LFD.2.21.1806260213340.31196@casper.infradead.org>

On Tue, Jun 26 2018, James Simmons wrote:

>> On Sun, Jun 24 2018, James Simmons wrote:
>> 
>> > From: Amir Shehata <amir.shehata@intel.com>
>> >
>> > Add functionality to calculate the distance between two CPTs.
>> > Expose those distance in debugfs so people deploying a setup
>> > can debug what is being created for CPTs.
>> 
>> This patch doesn't expose anything in debugfs - a later patch
>> does that.
>> So I've changed the comment to "Prepare to expose those ...."
>
> Doug Oucharek recommonds the following commit message body:
>
> Add cpu distance routines which will be used by the Multi-Rail feature 
> to determine what fabric interface is nearest to the core we are currently 
> running on. Configuration of these distances will be provided from user 
> space via configuration routines in Lustre.

Thanks - I like this more.  Updated.

NeilBrown
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  reply	other threads:[~2018-06-27  2:50 UTC|newest]

Thread overview: 66+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-24 21:20 [lustre-devel] [PATCH v3 00/26] staging: lustre: libcfs: SMP rework James Simmons
2018-06-24 21:20 ` [lustre-devel] [PATCH v3 01/26] staging: lustre: libcfs: remove useless CPU partition code James Simmons
2018-06-24 21:20 ` [lustre-devel] [PATCH v3 02/26] staging: lustre: libcfs: rename variable i to cpu James Simmons
2018-06-24 21:20 ` [lustre-devel] [PATCH v3 03/26] staging: lustre: libcfs: properly handle failure cases in SMP code James Simmons
2018-06-25  0:20   ` NeilBrown
2018-06-26  0:33     ` James Simmons
2018-06-24 21:20 ` [lustre-devel] [PATCH v3 04/26] staging: lustre: libcfs: replace MAX_NUMNODES with nr_node_ids James Simmons
2018-06-24 21:20 ` [lustre-devel] [PATCH v3 05/26] staging: lustre: libcfs: remove excess space James Simmons
2018-06-25  0:35   ` NeilBrown
2018-06-26  0:55     ` James Simmons
2018-06-24 21:20 ` [lustre-devel] [PATCH v3 06/26] staging: lustre: libcfs: replace num_possible_cpus() with nr_cpu_ids James Simmons
2018-06-24 21:20 ` [lustre-devel] [PATCH v3 07/26] staging: lustre: libcfs: NUMA support James Simmons
2018-06-25  0:39   ` NeilBrown
2018-06-25 18:22     ` Doug Oucharek
2018-06-27  2:44       ` NeilBrown
2018-06-27 12:42         ` Patrick Farrell
2018-06-28  1:17           ` NeilBrown
2018-06-29 17:19             ` Doug Oucharek
2018-06-29 17:27               ` Amir Shehata
2018-06-29 17:47                 ` Weber, Olaf
2018-07-04  5:22                   ` NeilBrown
2018-07-04  8:40                     ` Weber, Olaf
2018-07-05  1:57                       ` NeilBrown
2018-07-06  0:20                       ` James Simmons
2018-07-06  0:40                         ` Patrick Farrell
2018-07-06  3:11                         ` NeilBrown
2018-07-06  5:36                           ` Doug Oucharek
2018-07-06  6:13                             ` NeilBrown
2018-07-06 15:57                               ` James Simmons
2018-07-06 16:04                                 ` Patrick Farrell
2018-06-26  0:39     ` James Simmons
2018-06-24 21:20 ` [lustre-devel] [PATCH v3 08/26] staging: lustre: libcfs: add cpu distance handling James Simmons
2018-06-25  0:48   ` NeilBrown
2018-06-26  1:15     ` James Simmons
2018-06-27  2:50       ` NeilBrown [this message]
2018-06-24 21:20 ` [lustre-devel] [PATCH v3 09/26] staging: lustre: libcfs: use distance in cpu and node handling James Simmons
2018-06-24 21:20 ` [lustre-devel] [PATCH v3 10/26] staging: lustre: libcfs: provide debugfs files for distance handling James Simmons
2018-06-24 21:20 ` [lustre-devel] [PATCH v3 11/26] staging: lustre: libcfs: invert error handling for cfs_cpt_table_print James Simmons
2018-06-24 21:20 ` [lustre-devel] [PATCH v3 12/26] staging: lustre: libcfs: fix libcfs_cpu coding style James Simmons
2018-06-24 21:20 ` [lustre-devel] [PATCH v3 13/26] staging: lustre: libcfs: use int type for CPT identification James Simmons
2018-06-25  0:57   ` NeilBrown
2018-06-26  0:42     ` James Simmons
2018-06-24 21:20 ` [lustre-devel] [PATCH v3 14/26] staging: lustre: libcfs: rename i to node for cfs_cpt_set_nodemask James Simmons
2018-06-24 21:20 ` [lustre-devel] [PATCH v3 15/26] staging: lustre: libcfs: rename i to cpu for cfs_cpt_bind James Simmons
2018-06-24 21:20 ` [lustre-devel] [PATCH v3 16/26] staging: lustre: libcfs: rename cpumask_var_t variables to *_mask James Simmons
2018-06-24 21:20 ` [lustre-devel] [PATCH v3 17/26] staging: lustre: libcfs: update debug messages James Simmons
2018-06-24 21:20 ` [lustre-devel] [PATCH v3 18/26] staging: lustre: libcfs: make tolerant to offline CPUs and empty NUMA nodes James Simmons
2018-06-24 21:20 ` [lustre-devel] [PATCH v3 19/26] staging: lustre: libcfs: report NUMA node instead of just node James Simmons
2018-06-25  1:09   ` NeilBrown
2018-06-25  1:11     ` NeilBrown
2018-06-25 22:57       ` James Simmons
2018-06-26  0:54     ` James Simmons
2018-06-27  2:49       ` NeilBrown
2018-06-24 21:20 ` [lustre-devel] [PATCH v3 20/26] staging: lustre: libcfs: update debug messages in CPT code James Simmons
2018-06-24 21:20 ` [lustre-devel] [PATCH v3 21/26] staging: lustre: libcfs: rework CPU pattern parsing code James Simmons
2018-06-24 21:20 ` [lustre-devel] [PATCH v3 22/26] staging: lustre: libcfs: change CPT estimate algorithm James Simmons
2018-06-24 21:20 ` [lustre-devel] [PATCH v3 23/26] staging: lustre: ptlrpc: use current CPU instead of hardcoded 0 James Simmons
2018-06-25  2:38   ` NeilBrown
2018-06-25 22:51     ` James Simmons
2018-06-26  0:34       ` NeilBrown
2018-06-24 21:20 ` [lustre-devel] [PATCH v3 24/26] staging: lustre: libcfs: restore debugfs table reporting for UMP James Simmons
2018-06-25  1:27   ` NeilBrown
2018-06-24 21:20 ` [lustre-devel] [PATCH v3 25/26] staging: lustre: libcfs: make cfs_cpt_tab a static structure James Simmons
2018-06-25  1:32   ` NeilBrown
2018-06-24 21:20 ` [lustre-devel] [PATCH v3 26/26] staging: lustre: libcfs: restore UMP support James Simmons
2018-06-25  1:33 ` [lustre-devel] [PATCH v3 00/26] staging: lustre: libcfs: SMP rework NeilBrown

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