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| From | Diederik de Haas <didi.debian@cknow.org> |
| Newsgroups | linux.debian.bugs.dist, linux.debian.kernel |
| Subject | Bug#991921: linux: Please enable CPUFREQ options for RPi 0/0w/1 |
| Date | Sat, 07 Aug 2021 22:40:02 +0200 |
| Message-ID | <CJBgS-10a-3@gated-at.bofh.it> (permalink) |
| References | <CIPvz-61r-1@gated-at.bofh.it> <CJ8HT-Lb-1@gated-at.bofh.it> <CIPvz-61r-1@gated-at.bofh.it> <CJ8HT-Lb-1@gated-at.bofh.it> |
| X-Original-To | 991921@bugs.debian.org, Uwe Kleine-König <u.kleine-koenig@pengutronix.de> |
| X-Mailbox-Line | From debian-bugs-dist-request@lists.debian.org Sat Aug 7 20:39:09 2021 |
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| Reply-To | Diederik de Haas <didi.debian@cknow.org>, 991921@bugs.debian.org |
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| Resent-Cc | Debian Kernel Team <debian-kernel@lists.debian.org> |
| X-Debian-Pr-Message | followup 991921 |
| X-Debian-Pr-Package | src:linux |
| X-Debian-Pr-Keywords | patch |
| X-Debian-Pr-Source | linux |
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| Approved | robomod@news.nic.it |
| Lines | 56 |
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| X-Original-Date | Sat, 07 Aug 2021 22:36:13 +0200 |
| X-Original-Message-ID | <2236507.QQuVtY9kbx@bagend> |
| X-Original-References | <162818436924.3673.1512307054453414186.reportbug@rpi1-bullseye.home.cknow.org> <2255295.2GiAe5qbON@bagend> <162818436924.3673.1512307054453414186.reportbug@rpi1-bullseye.home.cknow.org> <2255295.2GiAe5qbON@bagend> |
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On vrijdag 6 augustus 2021 16:07:18 CEST Diederik de Haas wrote: > > > -CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y > > > +# CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE is not set > > > -# CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND is not set > > > +CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y > > > -CONFIG_CPU_FREQ_GOV_ONDEMAND=m > > > +CONFIG_CPU_FREQ_GOV_ONDEMAND=y > > > > Hmm, CONFIG_CPU_FREQ_GOV_ONDEMAND=m is already there, so you should be > > able to switch to that if you prefer it?! > > Yes, afaik it isn't needed. > I did notice that there are 2 schedulers which are often used as default, > namely 'performance' and 'schedutil' and those are also builtin. > That's the reason I made 'ondemand' builtin as well, but it's entirely > possible that correlation != causation and I inferred > an incorrect 'conclusion'. > > Trying to find why 'performance' and 'schedutil' were builtin, resulted in > https://salsa.debian.org/kernel-team/linux/-/commit/e5b976c268e44d452bc5ae23 > b765eab26c4409ae which suggest the (sole) reason that it got builtin is that > it couldn't be modular in 4.9. That can very well have changed since. If you do 'make menuconfig' and change the default governor, it automatically makes the matching CPU_FREQ_GOV_* parameter builtin. And you can't change that. And apparently you can't make CPU_FREQ_GOV_PERFORMANCE a module. At all. So menuconfig is telling me that the default governor must use a builtin module.
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Bug#991921: linux: Please enable CPUFREQ options for RPi 0/0w/1 Diederik de Haas <didi.debian@cknow.org> - 2021-08-05 19:40 +0200
Bug#991921: linux: Please enable CPUFREQ options for RPi 0/0w/1 Uwe Kleine-König <u.kleine-koenig@pengutronix.de> - 2021-08-06 15:40 +0200
Bug#991921: linux: Please enable CPUFREQ options for RPi 0/0w/1 Diederik de Haas <didi.debian@cknow.org> - 2021-08-06 16:10 +0200
Bug#991921: linux: Please enable CPUFREQ options for RPi 0/0w/1 Diederik de Haas <didi.debian@cknow.org> - 2021-08-07 22:40 +0200
Bug#991921: linux: Please enable CPUFREQ options for RPi 0/0w/1 Diederik de Haas <didi.debian@cknow.org> - 2021-09-27 03:10 +0200
Bug#991921: linux: Please enable CPUFREQ options for RPi 0/0w/1 Diederik de Haas <didi.debian@cknow.org> - 2021-08-08 17:10 +0200
Bug#991921: marked as done (linux: Please enable CPUFREQ options for RPi 0/0w/1) "Debian Bug Tracking System" <owner@bugs.debian.org> - 2021-11-04 10:10 +0100
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