From: Peter Zijlstra <peterz@infradead.org>
To: K Prateek Nayak <kprateek.nayak@amd.com>
Cc: Ingo Molnar <mingo@redhat.com>,
Juri Lelli <juri.lelli@redhat.com>,
Vincent Guittot <vincent.guittot@linaro.org>,
Dietmar Eggemann <dietmar.eggemann@arm.com>,
Steven Rostedt <rostedt@goodmis.org>,
Ben Segall <bsegall@google.com>, Mel Gorman <mgorman@suse.de>,
Valentin Schneider <vschneid@redhat.com>,
Aaron Lu <ziqianlu@bytedance.com>, Josh Don <joshdon@google.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 5/5] sched/fair: Unify cfs_rq throttling via account_cfs_rq_runtime()
Date: Tue, 2 Jun 2026 10:32:39 +0200 [thread overview]
Message-ID: <20260602083239.GU3493090@noisy.programming.kicks-ass.net> (raw)
In-Reply-To: <20cc9820-35b2-4d97-bbc2-84af56802dfd@amd.com>
On Tue, Jun 02, 2026 at 12:31:36PM +0530, K Prateek Nayak wrote:
> My mind is taking a while to grasp the ->pick_next_task() removal.
>
> [1] https://lore.kernel.org/lkml/20260602050005.11160-1-kprateek.nayak@amd.com/
Yes, I'm familiar with that struggle. If you can manage to write a
comment that clarifies it somewhat that would be awesome.
I've tried, but every time I read it back after a few days, I'm just
left more confused that I was at the beginning :-(
next prev parent reply other threads:[~2026-06-02 8:32 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-28 9:48 [PATCH 0/5] sched/fair: Allow account_cfs_rq_runtime() to throttle current hierarchy K Prateek Nayak
2026-05-28 9:48 ` [PATCH 1/5] sched/fair: Convert cfs bandwidth throttling to use guards K Prateek Nayak
2026-05-28 21:46 ` Benjamin Segall
2026-05-28 9:48 ` [PATCH 2/5] sched/fair: Use throttled_csd_list for local unthrottle K Prateek Nayak
2026-05-28 21:53 ` Benjamin Segall
2026-05-28 9:48 ` [PATCH 3/5] sched/fair: Call update_curr() before unthrottling the hierarchy K Prateek Nayak
2026-05-28 22:03 ` Benjamin Segall
2026-06-01 3:52 ` Aaron Lu
2026-06-01 5:50 ` K Prateek Nayak
2026-06-01 11:27 ` Peter Zijlstra
2026-06-02 6:33 ` K Prateek Nayak
2026-05-28 9:48 ` [PATCH 4/5] sched/fair: Move the throttled tasks to a local list in tg_unthrottle_up() K Prateek Nayak
2026-05-28 22:14 ` Benjamin Segall
2026-05-28 9:48 ` [PATCH 5/5] sched/fair: Unify cfs_rq throttling via account_cfs_rq_runtime() K Prateek Nayak
2026-05-28 22:44 ` Benjamin Segall
2026-06-01 13:48 ` Peter Zijlstra
2026-06-02 7:01 ` K Prateek Nayak
2026-06-02 8:32 ` Peter Zijlstra [this message]
2026-06-02 8:57 ` K Prateek Nayak
2026-05-28 11:45 ` [PATCH 0/5] sched/fair: Allow account_cfs_rq_runtime() to throttle current hierarchy Peter Zijlstra
2026-06-01 6:18 ` Aaron Lu
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