From: Shrikanth Hegde <sshegde@linux.ibm.com>
To: Yury Norov <ynorov@nvidia.com>
Cc: linux-kernel@vger.kernel.org, mingo@kernel.org,
peterz@infradead.org, juri.lelli@redhat.com,
vincent.guittot@linaro.org, yury.norov@gmail.com,
kprateek.nayak@amd.com, iii@linux.ibm.com, corbet@lwn.net,
tglx@kernel.org, gregkh@linuxfoundation.org, pbonzini@redhat.com,
seanjc@google.com, vschneid@redhat.com, huschle@linux.ibm.com,
rostedt@goodmis.org, dietmar.eggemann@arm.com,
maddy@linux.ibm.com, srikar@linux.ibm.com, hdanton@sina.com,
chleroy@kernel.org, vineeth@bitbyteword.org, frederic@kernel.org,
arighi@nvidia.com, pauld@redhat.com, christian.loehle@arm.com,
tj@kernel.org, tommaso.cucinotta@gmail.com, maz@kernel.org,
rafael@kernel.org, rdunlap@infradead.org, kernellwp@gmail.com,
linux-doc@vger.kernel.org
Subject: Re: [PATCH v7 03/12] sysfs: Add preferred CPU file
Date: Mon, 13 Jul 2026 17:30:14 +0530 [thread overview]
Message-ID: <78f2d247-04ae-4a7e-9598-1865a939ea25@linux.ibm.com> (raw)
In-Reply-To: <alF7r_dWfUHKEofx@yury>
Hi Yury,
On 7/11/26 4:39 AM, Yury Norov wrote:
>> Not needed no? It will print active CPUs.
>
> If I didn't enable preferred CPUs, I'll be pretty surprised having
> them in my statistics.
Ok. I didn;t think in that way. I guess issues mainly would happen w.r.t
to ABI interpretation or feature enablement in userspace right?
I will add ifdef gating for it. i.e (#ifdef CONFIG_PREFERRED_CPU)
PS: I had a dental procedure done today.
So there might be a delay in response to mails.
next prev parent reply other threads:[~2026-07-13 12:00 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-09 21:56 [PATCH v7 00/12] sched, steal_monitor: Introduce cpu_preferred_mask and steal-driven vCPU backoff Shrikanth Hegde
2026-07-09 21:56 ` [PATCH v7 01/12] sched/docs: Document cpu_preferred_mask and Preferred CPU concept Shrikanth Hegde
2026-07-09 21:56 ` [PATCH v7 02/12] cpumask: Introduce cpu_preferred_mask Shrikanth Hegde
2026-07-13 14:53 ` Yury Norov
2026-07-14 6:30 ` Shrikanth Hegde
2026-07-14 13:01 ` Yury Norov
2026-07-09 21:56 ` [PATCH v7 03/12] sysfs: Add preferred CPU file Shrikanth Hegde
2026-07-10 15:41 ` Yury Norov
2026-07-10 17:00 ` Shrikanth Hegde
2026-07-10 23:09 ` Yury Norov
2026-07-13 12:00 ` Shrikanth Hegde [this message]
2026-07-09 21:56 ` [PATCH v7 04/12] sched/core: Try to use a preferred CPU in is_cpu_allowed Shrikanth Hegde
2026-07-09 21:56 ` [PATCH v7 05/12] sched/fair: Load balance only among preferred CPUs Shrikanth Hegde
2026-07-09 21:56 ` [PATCH v7 06/12] sched/core: Push current task from non preferred CPU Shrikanth Hegde
2026-07-10 23:02 ` Yury Norov
2026-07-13 12:35 ` Shrikanth Hegde
2026-07-09 21:56 ` [PATCH v7 07/12] sched/debug: Add migration stats due to non preferred CPUs Shrikanth Hegde
2026-07-09 21:56 ` [PATCH v7 08/12] virt: Introduce steal monitor driver Shrikanth Hegde
2026-07-10 1:27 ` Randy Dunlap
2026-07-10 4:28 ` Shrikanth Hegde
2026-07-10 20:53 ` Yury Norov
2026-07-13 12:06 ` Shrikanth Hegde
2026-07-09 21:56 ` [PATCH v7 09/12] virt/steal_monitor: Add control knobs for handling steal values Shrikanth Hegde
2026-07-10 4:27 ` Shrikanth Hegde
2026-07-09 21:56 ` [PATCH v7 10/12] virt/steal_monitor: Provide functions for managing " Shrikanth Hegde
2026-07-10 4:30 ` Shrikanth Hegde
2026-07-10 20:00 ` Yury Norov
2026-07-13 5:13 ` Shrikanth Hegde
2026-07-14 12:47 ` Yury Norov
2026-07-14 13:15 ` Shrikanth Hegde
2026-07-09 21:56 ` [PATCH v7 11/12] virt/steal_monitor: Act on steal time periodically and decide on preferred CPUs Shrikanth Hegde
2026-07-10 20:37 ` Yury Norov
2026-07-13 5:48 ` Shrikanth Hegde
2026-07-14 12:31 ` Yury Norov
2026-07-14 13:08 ` Shrikanth Hegde
2026-07-09 21:56 ` [PATCH v7 12/12] sched, virt/steal_monitor: Keep tick on for faster push on nohz_full CPU Shrikanth Hegde
2026-07-10 6:35 ` Shrikanth Hegde
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