From: Shrikanth Hegde <sshegde@linux.ibm.com>
To: K Prateek Nayak <kprateek.nayak@amd.com>,
linux-kernel@vger.kernel.org, mingo@kernel.org,
peterz@infradead.org, juri.lelli@redhat.com,
vincent.guittot@linaro.org, yury.norov@gmail.com,
iii@linux.ibm.com
Cc: 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, mgorman@suse.de,
bsegall@google.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
Subject: Re: [PATCH v3 08/20] sched/fair: load balance only among preferred CPUs
Date: Thu, 4 Jun 2026 18:37:48 +0530 [thread overview]
Message-ID: <ed185063-e602-49af-aa8e-fd5a04ccfa8b@linux.ibm.com> (raw)
In-Reply-To: <e908bf2d-ee44-4237-8ae6-9efa8d2eeb98@amd.com>
Hi Prateek.
On 6/4/26 11:39 AM, K Prateek Nayak wrote:
> Hello Shrikanth,
>
> ... just moving set_cpu_preferred() into sched_cpu_activate() and
> sched_cpu_deactivate() instead of doing it at set_cpu_online().
>
Ah ok. Will move it there. I think this should be ok.
next prev parent reply other threads:[~2026-06-04 13:08 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-14 15:21 [PATCH v3 00/20] sched: Introduce cpu_preferred_mask and steal-driven vCPU backoff Shrikanth Hegde
2026-05-14 15:21 ` [PATCH v3 01/20] sched/debug: Remove unused schedstats Shrikanth Hegde
2026-06-04 4:01 ` K Prateek Nayak
2026-05-14 15:21 ` [PATCH v3 02/20] sched/docs: Document cpu_preferred_mask and Preferred CPU concept Shrikanth Hegde
2026-05-14 15:21 ` [PATCH v3 03/20] kconfig: Provide PREFERRED_CPU option Shrikanth Hegde
2026-05-14 15:21 ` [PATCH v3 04/20] cpumask: Introduce cpu_preferred_mask Shrikanth Hegde
2026-05-14 15:21 ` [PATCH v3 05/20] sysfs: Add preferred CPU file Shrikanth Hegde
2026-05-14 15:21 ` [PATCH v3 06/20] sched/core: allow only preferred CPUs in is_cpu_allowed Shrikanth Hegde
2026-06-04 5:06 ` K Prateek Nayak
2026-06-04 5:54 ` Shrikanth Hegde
2026-05-14 15:21 ` [PATCH v3 07/20] sched/fair: Select preferred CPU at wakeup when possible Shrikanth Hegde
2026-06-04 5:14 ` K Prateek Nayak
2026-06-04 5:48 ` Shrikanth Hegde
2026-06-08 16:39 ` Ilya Leoshkevich
2026-06-09 4:42 ` Shrikanth Hegde
2026-05-14 15:21 ` [PATCH v3 08/20] sched/fair: load balance only among preferred CPUs Shrikanth Hegde
2026-06-04 5:20 ` K Prateek Nayak
2026-06-04 5:45 ` Shrikanth Hegde
2026-06-04 6:09 ` K Prateek Nayak
2026-06-04 13:07 ` Shrikanth Hegde [this message]
2026-06-09 11:22 ` Peter Zijlstra
2026-06-09 11:33 ` Shrikanth Hegde
2026-05-14 15:21 ` [PATCH v3 09/20] sched/rt: Select a preferred CPU for wakeup and pulling rt task Shrikanth Hegde
2026-06-09 11:25 ` Peter Zijlstra
2026-06-09 11:30 ` Shrikanth Hegde
2026-06-10 17:13 ` Shrikanth Hegde
2026-05-14 15:21 ` [PATCH v3 10/20] sched/core: Keep tick on non-preferred CPUs until tasks are out Shrikanth Hegde
2026-05-14 15:21 ` [PATCH v3 11/20] sched/core: Push current task from non preferred CPU Shrikanth Hegde
2026-06-04 6:58 ` K Prateek Nayak
2026-06-04 9:43 ` Shrikanth Hegde
2026-06-04 9:56 ` K Prateek Nayak
2026-06-04 12:16 ` Shrikanth Hegde
2026-05-14 15:21 ` [PATCH v3 12/20] sched/debug: Add migration stats due to non preferred CPUs Shrikanth Hegde
2026-05-14 15:21 ` [PATCH v3 13/20] sched/debug: Create debugfs folder steal_monitor Shrikanth Hegde
2026-05-14 15:21 ` [PATCH v3 14/20] sched/debug: Provide debugfs to enable/disable steal monitor Shrikanth Hegde
2026-06-08 17:37 ` Ilya Leoshkevich
2026-06-09 4:48 ` Shrikanth Hegde
2026-06-08 18:28 ` Ilya Leoshkevich
2026-06-09 5:04 ` Shrikanth Hegde
2026-05-14 15:21 ` [PATCH v3 15/20] sched/core: Introduce a simple " Shrikanth Hegde
2026-06-08 16:25 ` Ilya Leoshkevich
2026-06-09 5:54 ` Shrikanth Hegde
2026-05-14 15:22 ` [PATCH v3 16/20] sched/core: Compute steal values at regular intervals Shrikanth Hegde
2026-05-14 15:22 ` [PATCH v3 17/20] sched/core: Introduce default arch handling code for inc/dec preferred CPUs Shrikanth Hegde
2026-06-08 16:22 ` Ilya Leoshkevich
2026-06-09 5:14 ` Shrikanth Hegde
2026-06-08 18:40 ` Ilya Leoshkevich
2026-06-09 6:42 ` Shrikanth Hegde
2026-05-14 15:22 ` [PATCH v3 18/20] sched/core: Handle steal values and mark CPUs as preferred Shrikanth Hegde
2026-05-14 15:22 ` [PATCH v3 19/20] sched/core: Mark the direction of steal values to avoid oscillations Shrikanth Hegde
2026-05-14 15:22 ` [PATCH v3 20/20] sched/debug: Add debug knobs for steal monitor Shrikanth Hegde
2026-06-04 3:17 ` [PATCH v3 00/20] sched: Introduce cpu_preferred_mask and steal-driven vCPU backoff Shrikanth Hegde
2026-06-09 19:51 ` Shrikanth Hegde
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