From: Viresh Kumar <viresh.kumar@linaro.org>
To: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Linux PM <linux-pm@vger.kernel.org>,
Linux ACPI <linux-acpi@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
Sudeep Holla <sudeep.holla@arm.com>,
Dmitry Osipenko <digetx@gmail.com>
Subject: Re: [RFT][PATCH 0/3] cpufreq / PM: QoS: Introduce frequency QoS and use it in cpufreq
Date: Thu, 17 Oct 2019 15:16:12 +0530 [thread overview]
Message-ID: <20191017094612.6tbkwoq4harsjcqv@vireshk-i7> (raw)
In-Reply-To: <2811202.iOFZ6YHztY@kreacher>
On 16-10-19, 12:37, Rafael J. Wysocki wrote:
> Hi All,
>
> The motivation for this series is to address the problem discussed here:
>
> https://lore.kernel.org/linux-pm/5ad2624194baa2f53acc1f1e627eb7684c577a19.1562210705.git.viresh.kumar@linaro.org/T/#md2d89e95906b8c91c15f582146173dce2e86e99f
>
> and also reported here:
>
> https://lore.kernel.org/linux-pm/20191015155735.GA29105@bogus/
>
> Plus, generally speaking, using the policy CPU as a proxy for the policy
> with respect to PM QoS does not feel particularly straightforward to me
> and adds extra complexity.
>
> Anyway, the first patch adds frequency QoS that is based on "raw" PM QoS (kind
> of in analogy with device PM QoS) and is just about min and max frequency
> requests (no direct relationship to devices).
>
> The second patch switches over cpufreq and its users to the new frequency QoS.
> [The Fixes: tag has been tentatively added to it.]
>
> The third one removes frequency request types from device PM QoS.
>
> Unfortunately, the patches are rather big, but also they are quite
> straightforward.
>
> I didn't have the time to test this series, so giving it a go would be much
> appreciated.
Apart from the minor comment on one of the patches, these look okay to me.
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
--
viresh
next prev parent reply other threads:[~2019-10-17 9:46 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-16 10:37 [RFT][PATCH 0/3] cpufreq / PM: QoS: Introduce frequency QoS and use it in cpufreq Rafael J. Wysocki
2019-10-16 10:41 ` [RFT][PATCH 1/3] PM: QoS: Introduce frequency QoS Rafael J. Wysocki
2019-10-17 9:41 ` Viresh Kumar
2019-10-17 14:16 ` Rafael J. Wysocki
2019-10-18 5:41 ` Viresh Kumar
2019-10-24 19:01 ` Leonard Crestez
2019-10-24 19:34 ` Leonard Crestez
2019-11-17 16:13 ` Doug Smythies
2019-11-19 14:35 ` Doug Smythies
2019-11-19 19:17 ` Rafael J. Wysocki
2019-11-19 22:13 ` Rafael J. Wysocki
2019-11-20 6:55 ` Doug Smythies
2019-11-20 9:08 ` Rafael J. Wysocki
2019-10-16 10:47 ` [RFT][PATCH 2/3] cpufreq: Use per-policy " Rafael J. Wysocki
2019-10-16 18:01 ` Dmitry Osipenko
2019-10-17 21:29 ` Dmitry Osipenko
2019-10-18 9:29 ` Viresh Kumar
2019-10-18 15:31 ` Dmitry Osipenko
2019-10-16 10:47 ` [RFT][PATCH 3/3] PM: QoS: Drop frequency QoS types from device PM QoS Rafael J. Wysocki
2019-10-16 14:23 ` [RFT][PATCH 0/3] cpufreq / PM: QoS: Introduce frequency QoS and use it in cpufreq Sudeep Holla
2019-10-17 9:57 ` Viresh Kumar
2019-10-17 9:59 ` Sudeep Holla
2019-10-17 16:34 ` Rafael J. Wysocki
2019-10-17 16:42 ` Sudeep Holla
2019-10-18 5:44 ` Viresh Kumar
2019-10-18 8:24 ` Rafael J. Wysocki
2019-10-18 8:27 ` Viresh Kumar
2019-10-18 8:30 ` Rafael J. Wysocki
2019-10-18 9:24 ` Viresh Kumar
2019-10-18 9:26 ` Rafael J. Wysocki
2019-10-18 9:28 ` Viresh Kumar
2019-10-17 17:14 ` Sudeep Holla
2019-10-17 9:46 ` Viresh Kumar [this message]
2019-10-22 22:06 Leonard Crestez
2019-10-22 22:47 ` Rafael J. Wysocki
2019-10-23 2:20 ` Leonard Crestez
2019-10-23 8:54 ` Rafael J. Wysocki
2019-10-23 8:57 ` Rafael J. Wysocki
2019-10-23 13:33 ` Leonard Crestez
2019-10-24 13:42 ` Rafael J. Wysocki
2019-10-24 17:47 ` Leonard Crestez
2019-10-24 21:10 ` Rafael J. Wysocki
2019-10-25 18:04 ` Leonard Crestez
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