From: Zefan Li <lizefan@huawei.com>
To: Rik van Riel <riel@redhat.com>
Cc: <linux-kernel@vger.kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Clark Williams <williams@redhat.com>,
Ingo Molnar <mingo@redhat.com>,
"Luiz Capitulino" <lcapitulino@redhat.com>,
David Rientjes <rientjes@google.com>,
Mike Galbraith <umgwanakikbuti@gmail.com>,
<cgroups@vger.kernel.org>
Subject: Re: [PATCH v4 2/2] cpusets,isolcpus: add file to show isolated cpus in cpuset
Date: Mon, 2 Mar 2015 14:15:39 +0800 [thread overview]
Message-ID: <54F4000B.5000901@huawei.com> (raw)
In-Reply-To: <20150226121231.6fcba7e8@annuminas.surriel.com>
Hi Rik,
> Subject: cpusets,isolcpus: add file to show isolated cpus in cpuset
>
> The previous patch makes it so the code skips over isolcpus when
> building scheduler load balancing domains. This makes it hard to
> see for a user which of the CPUs in a cpuset are participating in
> load balancing, and which ones are isolated cpus.
>
> Add a cpuset.isolcpus file with info on which cpus in a cpuset are
> isolated CPUs.
>
> This file is read-only for now. In the future we could extend things
> so isolcpus can be changed at run time, for the root (system wide)
> cpuset only.
>
One Question, why not add a /sys/devices/system/cpu/isolated instead?
next prev parent reply other threads:[~2015-03-02 6:16 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-25 16:38 [PATCH -v2 0/2] cpusets,isolcpus: resolve conflict between cpusets and isolcpus riel
2015-02-25 16:38 ` [PATCH 1/2] cpusets,isolcpus: exclude isolcpus from load balancing in cpusets riel
2015-02-27 9:32 ` Peter Zijlstra
2015-02-27 17:08 ` [PATCH 3/2] cpusets,isolcpus: document relationship between cpusets & isolcpus Rik van Riel
2015-02-27 21:15 ` David Rientjes
2015-02-28 3:23 ` Zefan Li
2015-02-28 3:21 ` [PATCH 1/2] cpusets,isolcpus: exclude isolcpus from load balancing in cpusets Zefan Li
2015-02-25 16:38 ` [PATCH 2/2] cpusets,isolcpus: add file to show isolated cpus in cpuset riel
2015-02-25 21:09 ` David Rientjes
2015-02-25 21:21 ` Rik van Riel
2015-02-25 21:32 ` [PATCH v3 " Rik van Riel
2015-02-26 11:05 ` [PATCH " Zefan Li
2015-02-26 15:24 ` Rik van Riel
2015-02-26 17:12 ` [PATCH v4 " Rik van Riel
2015-02-28 3:22 ` Zefan Li
2015-03-02 6:15 ` Zefan Li [this message]
2015-03-02 9:12 ` Peter Zijlstra
2015-03-03 9:51 ` Zefan Li
2015-03-02 9:09 ` Peter Zijlstra
2015-03-02 12:44 ` Mike Galbraith
2015-03-02 14:35 ` Rik van Riel
2015-03-02 14:54 ` Mike Galbraith
2015-03-02 15:29 ` Tejun Heo
2015-03-02 16:02 ` Mike Galbraith
2015-03-02 16:09 ` Tejun Heo
2015-03-02 17:35 ` Mike Galbraith
2015-03-02 17:01 ` Tejun Heo
2015-03-02 17:31 ` Tejun Heo
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=54F4000B.5000901@huawei.com \
--to=lizefan@huawei.com \
--cc=cgroups@vger.kernel.org \
--cc=lcapitulino@redhat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@redhat.com \
--cc=peterz@infradead.org \
--cc=riel@redhat.com \
--cc=rientjes@google.com \
--cc=umgwanakikbuti@gmail.com \
--cc=williams@redhat.com \
/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
Powered by JetHome