From: Lukasz Luba <lukasz.luba@arm.com>
To: Thara Gopinath <thara.gopinath@linaro.org>
Cc: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-arm-msm@vger.kernel.org, steev@kali.org,
sudeep.holla@arm.com, will@kernel.org, catalin.marinas@arm.com,
linux@armlinux.org.uk, gregkh@linuxfoundation.org,
rafael@kernel.org, viresh.kumar@linaro.org, amitk@kernel.org,
daniel.lezcano@linaro.org, amit.kachhap@gmail.com,
bjorn.andersson@linaro.org, agross@kernel.org
Subject: Re: [PATCH v4 1/5] arch_topology: Introduce thermal pressure update function
Date: Tue, 23 Nov 2021 09:09:21 +0000 [thread overview]
Message-ID: <05dd3205-a943-af80-f815-50a4a0ca9c5c@arm.com> (raw)
In-Reply-To: <5de717f7-dd64-5584-540a-e0b86a431dde@linaro.org>
On 11/16/21 11:39 PM, Thara Gopinath wrote:
>
>
> On 11/9/21 2:57 PM, Lukasz Luba wrote:
>> The thermal pressure is a mechanism which is used for providing
>> information about reduced CPU performance to the scheduler. Usually code
>> has to convert the value from frequency units into capacity units,
>> which are understandable by the scheduler. Create a common conversion
>> code
>> which can be just used via a handy API.
>>
>> Internally, the topology_update_thermal_pressure() operates on frequency
>> in MHz and max CPU frequency is taken from 'freq_factor' (per-cpu).
>>
>> Signed-off-by: Lukasz Luba <lukasz.luba@arm.com>
>
> Reviewed-by: Thara Gopinath <thara.gopinath@linaro.org>
>
Thank you Thara for the review!
next prev parent reply other threads:[~2021-11-23 9:09 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-09 19:57 [PATCH v4 0/5] Refactor thermal pressure update to avoid code duplication Lukasz Luba
2021-11-09 19:57 ` [PATCH v4 1/5] arch_topology: Introduce thermal pressure update function Lukasz Luba
2021-11-16 23:39 ` Thara Gopinath
2021-11-23 9:09 ` Lukasz Luba [this message]
2021-11-09 19:57 ` [PATCH v4 2/5] thermal: cpufreq_cooling: Use new " Lukasz Luba
2021-11-09 19:57 ` [PATCH v4 3/5] cpufreq: qcom-cpufreq-hw: Update offline CPUs per-cpu thermal pressure Lukasz Luba
2021-11-09 19:57 ` [PATCH v4 4/5] cpufreq: qcom-cpufreq-hw: Use new thermal pressure update function Lukasz Luba
2021-11-15 20:57 ` Thara Gopinath
2021-11-15 23:39 ` Thara Gopinath
2021-11-16 8:28 ` Lukasz Luba
2021-11-16 8:30 ` Lukasz Luba
2021-11-09 19:57 ` [PATCH v4 5/5] arch_topology: Remove unused topology_set_thermal_pressure() and related Lukasz Luba
2021-11-11 3:15 ` [PATCH v4 0/5] Refactor thermal pressure update to avoid code duplication Viresh Kumar
2021-11-23 9:11 ` Lukasz Luba
2021-11-23 9:45 ` Viresh Kumar
2021-11-23 9:46 ` Lukasz Luba
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