From: Frederic Weisbecker <frederic@kernel.org>
To: Shrikanth Hegde <sshegde@linux.ibm.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,
meted@linux.ibm.com, ynorov@nvidia.com, 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, 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, jgross@suse.com,
virtualization@lists.linux.dev, sunlightlinux@gmail.com
Subject: Re: [PATCH v12 01/13] sched/cputime: Add kcpustat_field_total helper
Date: Thu, 3 Sep 2026 18:26:05 +0200 [thread overview]
Message-ID: <apmfne3iBct7oNTp@localhost.localdomain> (raw)
In-Reply-To: <20260903063240.268775-2-sshegde@linux.ibm.com>
Le Thu, Sep 03, 2026 at 12:02:28PM +0530, Shrikanth Hegde a écrit :
> Provide a new helper function which sums up a given type of cpustat
> over a specified cpumask.
>
> This allows the caller's code to be simpler and avoids duplication.
> For example, subsequent patch in the steal governor use this exact
> same pattern when calculating steal time.
>
> Suggested-by: Yury Norov <yury.norov@gmail.com>
> Reviewed-by: Yury Norov <ynorov@nvidia.com>
> Reviewed-by: Mete Durlu <meted@linux.ibm.com>
> Signed-off-by: Shrikanth Hegde <sshegde@linux.ibm.com>
Acked-by: Frederic Weisbecker <frederic@kernel.org>
--
Frederic Weisbecker
SUSE Labs
next prev parent reply other threads:[~2026-09-03 16:26 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-03 6:32 [PATCH v12 00/13] sched, steal_governor: Introduce preferred CPUs and steal-driven vCPU backoff Shrikanth Hegde
2026-09-03 6:32 ` [PATCH v12 01/13] sched/cputime: Add kcpustat_field_total helper Shrikanth Hegde
2026-09-03 16:26 ` Frederic Weisbecker [this message]
2026-09-03 6:32 ` [PATCH v12 02/13] cpumask: Introduce cpumask_intersects_and Shrikanth Hegde
2026-09-03 6:32 ` [PATCH v12 03/13] sched/docs: Document cpu_preferred_mask and Preferred CPU concept Shrikanth Hegde
2026-09-03 6:32 ` [PATCH v12 04/13] cpumask: Introduce cpu_preferred_mask Shrikanth Hegde
2026-09-03 6:32 ` [PATCH v12 05/13] sysfs: Add preferred CPU file Shrikanth Hegde
2026-09-03 6:32 ` [PATCH v12 06/13] sched/core: Try to use a preferred CPU in is_cpu_allowed Shrikanth Hegde
2026-09-03 6:32 ` [PATCH v12 07/13] sched/fair: Load balance only among preferred CPUs Shrikanth Hegde
2026-09-03 6:32 ` [PATCH v12 08/13] sched/core: Push current task from non preferred CPU Shrikanth Hegde
2026-09-03 6:32 ` [PATCH v12 09/13] sched/debug: Add migration stats due to non preferred CPUs Shrikanth Hegde
2026-09-03 6:32 ` [PATCH v12 10/13] virt: Introduce steal governor driver Shrikanth Hegde
2026-09-03 6:32 ` [PATCH v12 11/13] virt/steal_governor: Add control knobs for handling steal values Shrikanth Hegde
2026-09-03 6:32 ` [PATCH v12 12/13] virt/steal_governor: Implement steal_governor policy loop Shrikanth Hegde
2026-09-03 6:32 ` [PATCH v12 13/13] virt/steal_governor: Enable the driver Shrikanth Hegde
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