From: Vincent Guittot <vincent.guittot@linaro.org>
To: Bjorn Andersson <andersson@kernel.org>
Cc: dmitry.baryshkov@linaro.org, agross@kernel.org,
konrad.dybcio@linaro.org, robh+dt@kernel.org,
krzysztof.kozlowski+dt@linaro.org, linux-arm-msm@vger.kernel.org,
devicetree@vger.kernel.org, danny@kdrag0n.dev
Subject: Re: [PATCH] arm64: dts: qcom: sdm845: correct dynamic power coefficients
Date: Mon, 27 Feb 2023 10:11:40 +0100 [thread overview]
Message-ID: <CAKfTPtDsbtrY1HAmBk+Od4-CbckkmxPgjsEQ_e95+CDh3XmCuw@mail.gmail.com> (raw)
In-Reply-To: <20230118232640.qfyuy5n4x33yttup@builder.lan>
Hi Bjorn,
On Thu, 19 Jan 2023 at 00:26, Bjorn Andersson <andersson@kernel.org> wrote:
>
[...]
> > > > According to [1], LITTLE consumes 10% less than big core for Coremark
> > > > benchmark at those OPPs. If we consider that everything else stays
> > > > unchanged, the dynamic-power-coefficient of LITTLE core should be
> > > > only 53% of the current value: 290 * 53% = 154
> > > >
> > > > Set the dynamic-power-coefficient of CPU0-3 to 154 to fix the energy model.
> > > >
> > >
> > > This is sounds reasonable.
> > >
>
> Dmitry, what do you think about this?
What is the status for this patch ?
The problem is still present AFAICT
Regards,
Vincent
>
[...]
> > > >
>
>
next prev parent reply other threads:[~2023-02-27 9:17 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-06 16:46 [PATCH] arm64: dts: qcom: sdm845: correct dynamic power coefficients Vincent Guittot
2023-01-06 18:28 ` Bjorn Andersson
2023-01-09 17:02 ` Vincent Guittot
2023-01-18 23:26 ` Bjorn Andersson
2023-02-27 9:11 ` Vincent Guittot [this message]
2023-03-16 3:21 ` Bjorn Andersson
-- strict thread matches above, loose matches on Subject: below --
2023-01-06 16:45 Vincent Guittot
2023-01-06 16:43 Vincent Guittot
2022-03-15 14:11 Dmitry Baryshkov
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