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From: Andrew Jones <drjones@redhat.com>
To: song.bao.hua@hisilicon.com
Cc: aubrey.li@linux.intel.com, bp@alien8.de, bsegall@google.com,
	catalin.marinas@arm.com, dietmar.eggemann@arm.com,
	gregkh@linuxfoundation.org, guodong.xu@linaro.org, hpa@zytor.com,
	jonathan.cameron@huawei.com, juri.lelli@redhat.com,
	lenb@kernel.org, liguozhu@hisilicon.com,
	linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, linuxarm@openeuler.org,
	mark.rutland@arm.com, mgorman@suse.de, mingo@redhat.com,
	msys.mizuma@gmail.com, peterz@infradead.org,
	prime.zeng@hisilicon.com, rjw@rjwysocki.net, rostedt@goodmis.org,
	sudeep.holla@arm.com, tglx@linutronix.de,
	tim.c.chen@linux.intel.com, valentin.schneider@arm.com,
	vincent.guittot@linaro.org, will@kernel.org, x86@kernel.org,
	xuwei5@huawei.com, yangyicong@huawei.com
Subject: Re: [RFC PATCH v6 1/4] topology: Represent clusters of CPUs within a die
Date: Wed, 28 Apr 2021 11:48:11 +0200	[thread overview]
Message-ID: <20210428094811.159245-1-drjones@redhat.com> (raw)
In-Reply-To: <20210420001844.9116-2-song.bao.hua@hisilicon.com>

On 20/04/2021 12:18, Barry Song wrote:
...
> Currently the ID provided is the offset of the Processor
> Hierarchy Nodes Structure within PPTT.  Whilst this is unique
> it is not terribly elegant so alternative suggestions welcome.
> 

The ACPI table offsets are consistent with how other topology IDs are
generated. I once tried to make them a little more human friendly with
[1], but it was nacked.

[1] https://lore.kernel.org/lkml/20180629132934.GA16282@e107155-lin/t/

Thanks,
drew


WARNING: multiple messages have this Message-ID (diff)
From: Andrew Jones <drjones@redhat.com>
To: song.bao.hua@hisilicon.com
Cc: aubrey.li@linux.intel.com, bp@alien8.de, bsegall@google.com,
	catalin.marinas@arm.com, dietmar.eggemann@arm.com,
	gregkh@linuxfoundation.org, guodong.xu@linaro.org, hpa@zytor.com,
	jonathan.cameron@huawei.com, juri.lelli@redhat.com,
	lenb@kernel.org, liguozhu@hisilicon.com,
	linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, linuxarm@openeuler.org,
	mark.rutland@arm.com, mgorman@suse.de, mingo@redhat.com,
	msys.mizuma@gmail.com, peterz@infradead.org,
	prime.zeng@hisilicon.com, rjw@rjwysocki.net, rostedt@goodmis.org,
	sudeep.holla@arm.com, tglx@linutronix.de,
	tim.c.chen@linux.intel.com, valentin.schneider@arm.com,
	vincent.guittot@linaro.org, will@kernel.org, x86@kernel.org,
	xuwei5@huawei.com, yangyicong@huawei.com
Subject: Re: [RFC PATCH v6 1/4] topology: Represent clusters of CPUs within a die
Date: Wed, 28 Apr 2021 11:48:11 +0200	[thread overview]
Message-ID: <20210428094811.159245-1-drjones@redhat.com> (raw)
In-Reply-To: <20210420001844.9116-2-song.bao.hua@hisilicon.com>

On 20/04/2021 12:18, Barry Song wrote:
...
> Currently the ID provided is the offset of the Processor
> Hierarchy Nodes Structure within PPTT.  Whilst this is unique
> it is not terribly elegant so alternative suggestions welcome.
> 

The ACPI table offsets are consistent with how other topology IDs are
generated. I once tried to make them a little more human friendly with
[1], but it was nacked.

[1] https://lore.kernel.org/lkml/20180629132934.GA16282@e107155-lin/t/

Thanks,
drew


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  reply	other threads:[~2021-04-28  9:48 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-20  0:18 [RFC PATCH v6 0/4] scheduler: expose the topology of clusters and add cluster scheduler Barry Song
2021-04-20  0:18 ` Barry Song
2021-04-20  0:18 ` [RFC PATCH v6 1/4] topology: Represent clusters of CPUs within a die Barry Song
2021-04-20  0:18   ` Barry Song
2021-04-28  9:48   ` Andrew Jones [this message]
2021-04-28  9:48     ` Andrew Jones
2021-04-30  3:46     ` Song Bao Hua (Barry Song)
2021-04-30  3:46       ` Song Bao Hua (Barry Song)
2021-04-20  0:18 ` [RFC PATCH v6 2/4] scheduler: add scheduler level for clusters Barry Song
2021-04-20  0:18   ` Barry Song
2021-04-20  0:18 ` [RFC PATCH v6 3/4] scheduler: scan idle cpu in cluster for tasks within one LLC Barry Song
2021-04-20  0:18   ` Barry Song
2021-04-27 11:35   ` Dietmar Eggemann
2021-04-27 11:35     ` Dietmar Eggemann
2021-04-28  9:51     ` Song Bao Hua (Barry Song)
2021-04-28  9:51       ` Song Bao Hua (Barry Song)
2021-04-28 13:04       ` Vincent Guittot
2021-04-28 13:04         ` Vincent Guittot
2021-04-28 16:47         ` Dietmar Eggemann
2021-04-28 16:47           ` Dietmar Eggemann
     [not found]           ` <185746c4d02a485ca8f3509439328b26@hisilicon.com>
2021-04-30 10:42             ` Dietmar Eggemann
2021-04-30 10:42               ` Dietmar Eggemann
2021-05-03  6:19               ` Song Bao Hua (Barry Song)
2021-05-03  6:19                 ` Song Bao Hua (Barry Song)
2021-05-03 11:35               ` Song Bao Hua (Barry Song)
2021-05-03 11:35                 ` Song Bao Hua (Barry Song)
2021-05-05 12:29                 ` Dietmar Eggemann
2021-05-05 12:29                   ` Dietmar Eggemann
2021-05-07 13:07                   ` Song Bao Hua (Barry Song)
2021-05-07 13:07                     ` Song Bao Hua (Barry Song)
2021-05-13 12:32                     ` Dietmar Eggemann
2021-05-13 12:32                       ` Dietmar Eggemann
2021-05-25  8:14                       ` Song Bao Hua (Barry Song)
2021-05-25  8:14                         ` Song Bao Hua (Barry Song)
2021-05-26  9:54                       ` Song Bao Hua (Barry Song)
2021-05-26  9:54                         ` Song Bao Hua (Barry Song)
2021-04-20  0:18 ` [RFC PATCH v6 4/4] scheduler: Add cluster scheduler level for x86 Barry Song
2021-04-20  0:18   ` Barry Song

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