linux-kernel - Re: [tip: sched/core] sched: Add cluster scheduler level for x86

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Message-ID: <df3f2127-47be-cfd6-9c19-5f0aacf014f4@amd.com>
Date:   Wed, 20 Oct 2021 15:08:41 -0500
From:   Tom Lendacky <thomas.lendacky@....com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     linux-kernel@...r.kernel.org, linux-tip-commits@...r.kernel.org,
        Tim Chen <tim.c.chen@...ux.intel.com>,
        Barry Song <song.bao.hua@...ilicon.com>, x86@...nel.org
Subject: Re: [tip: sched/core] sched: Add cluster scheduler level for x86

On 10/20/21 2:51 PM, Peter Zijlstra wrote:
> On Wed, Oct 20, 2021 at 08:12:51AM -0500, Tom Lendacky wrote:
>> On 10/15/21 4:44 AM, tip-bot2 for Tim Chen wrote:
>>> The following commit has been merged into the sched/core branch of tip:

> 
> If it does boot, what does something like:
> 
>    for i in /sys/devices/system/cpu/cpu*/topology/*{_id,_list}; do echo -n "${i}: " ; cat $i; done
> 
> produce?

The output is about 160K in size, I'll email it to you off-list.

> 
> I'll try and figure out how AMD sets l2c_id, that stuff is always a bit
> of a maze.

Thanks!

Tom

>