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From: "Rafael J. Wysocki" <rjw@rjwysocki.net>
To: Linux PM <linux-pm@vger.kernel.org>
Cc: LKML <linux-kernel@vger.kernel.org>
Subject: [PATCH v1 0/5] cpuidle: teo: Rework the idle state selection logic
Date: Wed, 02 Jun 2021 20:14:20 +0200	[thread overview]
Message-ID: <1867445.PYKUYFuaPT@kreacher> (raw)

Hi All,

This series of patches addresses some theoretical shortcoming in the
TEO (Timer Events Oriented) cpuidle governor by reworking its idle
state selection logic to some extent.

Patches [1-2/5] are introductory cleanups and the substantial changes are
made in patches [3-4/5] (please refer to the changelogs of these two
patches for details).  The last patch only deals with documentation.

Even though this work is mostly based on theoretical considerations, it
shows a measurable reduction of the number of cases in which the shallowest
idle state is selected while it would be more beneficial to select a deeper
one or the deepest idle state is selected while it would be more beneficial to
select a shallower one, which should be a noticeable improvement.

Thanks!




             reply	other threads:[~2021-06-02 18:19 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-02 18:14 Rafael J. Wysocki [this message]
2021-06-02 18:15 ` [PATCH v1 1/5] cpuidle: teo: Cosmetic modifications of teo_update() Rafael J. Wysocki
2021-06-02 18:15 ` [PATCH v1 2/5] cpuidle: teo: Cosmetic modification of teo_select() Rafael J. Wysocki
2021-06-02 18:16 ` [PATCH v1 3/5] cpuidle: teo: Change the main idle state selection logic Rafael J. Wysocki
2021-06-02 18:17 ` [PATCH v1 4/5] cpuidle: teo: Rework most recent idle duration values treatment Rafael J. Wysocki
2021-06-02 18:18 ` [PATCH v1 5/5] cpuidle: teo: Use kerneldoc documentation in admin-guide Rafael J. Wysocki
2021-07-04 21:01 ` [PATCH v1 0/5] cpuidle: teo: Rework the idle state selection logic Doug Smythies
2021-07-05 13:24   ` Rafael J. Wysocki
2021-07-27 20:06 ` Doug Smythies
2021-07-28 13:52   ` Rafael J. Wysocki
2021-07-28 17:47     ` Rafael J. Wysocki
2021-07-29  6:34       ` Doug Smythies
2021-07-29 15:23         ` Doug Smythies
2021-07-29 16:18           ` Rafael J. Wysocki
2021-07-29 16:14         ` Rafael J. Wysocki
2021-07-30  3:36           ` Doug Smythies
2021-07-30 13:25             ` Rafael J. Wysocki

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