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Thu, 17 Sep 2026 07:17:00 -0700 (PDT) From: Kayra Cizmeci To: christian.loehle@arm.com Cc: beata.michalska@arm.com, cl@gentwo.org, daniel.lezcano@kernel.org, dietmar.eggemann@arm.com, elif.topuz@arm.com, juri.lelli@redhat.com, kprateek.nayak@amd.com, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, mingo@redhat.com, peterz@infradead.org, rafael@kernel.org, rostedt@goodmis.org, sh@gentwo.org, vincent.guittot@linaro.org, vschneid@redhat.com Subject: Re: [PATCH 2/2] sched/fair: Randomize equally shallow slow-path candidates Date: Thu, 17 Sep 2026 17:16:57 +0300 Message-ID: <20260917141658.14490-1-kayracizmeci@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit > Actually about the last part, I'm leaning towards sticking with v1, because > that is actually the current upstream behaviour. !idle CPUs currently trump > any CPU seen so far, but preserve min_exit_latency, therefore sticking it > into the shallowest seen reservoir is consistent IMO (although we can > certainly debate if that should be the case). > I'd prefer sending a follow-up with an idle helper and making a properly > defined policy there, but that's adjacent to this patch. Hello Christian, I could send a patch about this if you want, after making sure about everything, obviously. I'm a bit sick, so if you say yes, I could be slow. But I don't think it will take more than 3 days after your answer. Thanks, Kayra :>