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Date:   Tue, 10 Oct 2023 10:01:55 +0200
From:   Peter Zijlstra <peterz@infradead.org>
To:     Youssef Esmat <youssefesmat@chromium.org>
Cc:     Daniel Jordan <daniel.m.jordan@oracle.com>, mingo@kernel.org,
        vincent.guittot@linaro.org, linux-kernel@vger.kernel.org,
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        tglx@linutronix.de
Subject: Re: [PATCH 00/15] sched: EEVDF and latency-nice and/or slice-attr
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On Mon, Oct 09, 2023 at 07:51:03PM -0500, Youssef Esmat wrote:

> > Playing around with it a little:
> >
> > EEVDF                                   EVDF
> >
> > slice 30000000                          slice 30000000
> > # Min Latencies: 00014                  # Min Latencies: 00048
> > # Avg Latencies: 00692                  # Avg Latencies: 188239
> > # Max Latencies: 94633                  # Max Latencies: 961241
> >
> > slice 3000000                           slice 3000000
> > # Min Latencies: 00054                  # Min Latencies: 00055
> > # Avg Latencies: 00522                  # Avg Latencies: 00673
> > # Max Latencies: 41475                  # Max Latencies: 13297
> >
> > slice 300000                            slice 300000
> > # Min Latencies: 00018                  # Min Latencies: 00024
> > # Avg Latencies: 00344                  # Avg Latencies: 00056
> > # Max Latencies: 20061                  # Max Latencies: 00860
> >
> 
> Thanks for sharing. Which workload was used to generate these numbers?

This is hackbench vs cyclictest, where cyclictest gets a custom slice
set, the big slice is 10 * normal, the middle slice is normal (equal to
hackbench) and the short slice is normal / 10.