From: Peter Zijlstra <peterz@infradead.org>
To: K Prateek Nayak <kprateek.nayak@amd.com>
Cc: Aaron Lu <ziqianlu@bytedance.com>,
mingo@kernel.org, linux-kernel@vger.kernel.org,
juri.lelli@redhat.com, vincent.guittot@linaro.org,
dietmar.eggemann@arm.com, rostedt@goodmis.org,
bsegall@google.com, mgorman@suse.de, vschneid@redhat.com,
tj@kernel.org, williams@redhat.com, jkacur@redhat.com
Subject: Re: [PATCH 0/2] sched: Remove sched_class::balance()
Date: Fri, 21 Aug 2026 09:10:16 +0200 [thread overview]
Message-ID: <20260821071016.GC4120091@noisy.programming.kicks-ass.net> (raw)
In-Reply-To: <3898f82d-e48a-48d5-a13d-54fa5387a203@amd.com>
On Thu, Aug 20, 2026 at 10:45:03PM +0530, K Prateek Nayak wrote:
> On 8/20/2026 9:10 PM, Peter Zijlstra wrote:
> > On Thu, Jul 02, 2026 at 07:49:19PM +0800, Aaron Lu wrote:
> >
> >> The test caused a panic with below msg:
> >
> > What test do you run? I think all I have is the prctl selftest thing.
>
> Stuff that goes sideways generally shows up with:
>
> coresched new -t pid -- perf bench sched messaging -p -l 100000 -g 8
>
> I generally consider a full run without any splats as a pass.
> Performance tends to vary quite a bit depending upon number of groups.
TIL about util-linux/coresched...
next prev parent reply other threads:[~2026-08-21 7:10 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-24 12:13 [PATCH 0/2] sched: Remove sched_class::balance() Peter Zijlstra
2026-06-24 12:13 ` [PATCH 1/2] sched/core: Allow newidle for core-sched Peter Zijlstra
2026-06-24 23:56 ` K Prateek Nayak
2026-06-25 12:41 ` Peter Zijlstra
2026-06-25 12:42 ` Peter Zijlstra
2026-06-24 12:13 ` [PATCH 2/2] sched: Remove sched_class::balance() Peter Zijlstra
2026-07-02 11:49 ` [PATCH 0/2] " Aaron Lu
2026-07-03 3:31 ` K Prateek Nayak
2026-08-19 9:39 ` Peter Zijlstra
2026-08-19 7:58 ` Peter Zijlstra
2026-08-19 14:36 ` Peter Zijlstra
2026-08-19 19:22 ` Tejun Heo
2026-08-20 7:18 ` Peter Zijlstra
2026-08-20 7:42 ` Tejun Heo
2026-08-20 7:58 ` Peter Zijlstra
2026-08-20 15:40 ` Peter Zijlstra
2026-08-20 17:15 ` K Prateek Nayak
2026-08-21 7:10 ` Peter Zijlstra [this message]
2026-08-21 2:44 ` Aaron Lu
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