Call for testing: Google/Huawei Nexus 6P (angler) owners
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@Rondarius Interesting idea. When I flashed just four cores to see how it compares, It runs like it always did on android battery wise, except it is noticeably slower when doing demanding things such as video or games.
Switching to just the performance cores is an interesting idea. But, if it is possible, it might harm the phone. The tech in the performance cores was new at the time and the chip design was not optimal, so the processor gets real hot really fast when those cores are actually put to use. That's what caused the BLOD that ended the phone's success. But, it would be an interesting experiment if it didn't kill the cores.
On all 8 cores, they seem to be running all the time but maybe with no load on them. They appear to be just sitting there awake. The performance is much better under heavy load, so they do get triggered and used when needed. But what scheme is used to trigger them and send work their way, and what trigger sends them to sleep when not needed. Until that's solved, could be worth giving your idea a try.
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@rocket2nfinity @Flohack So how should this be tackled then? Should we pinpoint where there is a need for an extra boost? Because you have already nailed two, category games and video files. I guess that you only need 4 cores while using native apps and interface. Is there other categories and files that could be grouped under 8 cores?
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Would it be easier to activate all 8 cores depending on categories instead of files? The 8 cores should be activated if a game is launched or a video file i played, and they should be running until the game/video is canceled or changed focus to another app that doesn't need 8 cores. Just to figure out what game or what video file that needs 8 cores would take to much time to implement, but going just with categories would make things easier but not optimal. If we look on it from a different perspective, me for example, it is not that often that I play a game or watch a movie on my phone. This means that the 8 cores rarely becomes used in my case.
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i don't know if it will work or it's possible to control cpu frequency through cpu frequency Governor ?
at least it will save some battery when you can set the lowest frequency to the 4 big cores.https://www.kernel.org/doc/Documentation/cpu-freq/governors.txt
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Unfortunately it is not so easy to tell Linux "go switch cores Im gonna play a game". But what I was looking into that was to use the cpufreq governor which was made for this device: https://cateee.net/lkddb/web-lkddb/ARM_BIG_LITTLE_CPUFREQ.html basically its a cpufreq governor that maps requested cpu frequency when the load goes higher to enabling not just all 4 big cores but single cores as needed. That would just allow spikes to be fully utilizing the bigger cores.
Then we do not need to change much except in-kernel stuff
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Good News! Nexus 6P is now finally installable with the UBports Installer!
Well after we fix a small thing
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@Flohack
Will there be any checkbox to choose whether to install 4 cores or 8 cores boot image ?
or it will be manual ? -
@HMZ47 Theoretically we can have 2 devices listed but that is a problem for the final solution since it needs to duplicate everything just because of a different kernel cmdline. I will discuss with the guys what we can do here.
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I’m thinking of grabbing my brothers nexus 6p should. This is awesome.
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Just wanted to say thank you to everyone that has been working on this port! I've been quietly watching the Nexus 6P Ubuntu Touch development for months now, and I can't wait to see this support land in the installer!
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@Flohack
Hi, I don't think it's a big deal but i want to mention it as a tester, when you enable keyboard sound, u can't control it, to be specific the keyboard sound stuck in the maximum volume no matter what the system volume level is. -
@HMZ47 Ok that sounds like an operating system issue, can you confirm this with another device?
My languages: 🇦🇹 🇩🇪 🇬🇧 🇺🇸
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@Flohack
unfortunately i can't, nexus 6p is the only phone i have that supports Ubuntu touch, hopefully other guys in this port with another device can confirm this. -
@HMZ47 said in Call for testing: Google/Huawei Nexus 6P (angler) owners:
@Flohack
Hi, I don't think it's a big deal but i want to mention it as a tester, when you enable keyboard sound, u can't control it, to be specific the keyboard sound stuck in the maximum volume no matter what the system volume level is.@Flohack @HMZ47 I can confirm this both in the N6P and in the pinephone.
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A small but beautiful improvement made today: Date and Time is now persisted correctly across reboots, even without network connection. Before we were thrown to 1970 everytime
...Note that I am not uploading a new system.img because I somehow cannot get Bluetooth to work reliably and I am looking into this now. Also I am waiting for the next installer release still, so unfortunately still no installable image.
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Hey, i was wondering if you still need testers for this port. I have an old 6P laying around ive ive already flashed ubports to it. Its acyually the device im typing this on. Im really interested in seeing this project succeed. Im not a developer but im willing to help in any way i can!
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@trashcat Sure we love more testers ^^ I would ask you specifically to test the installer, as I made some progress now, and that would mean you can already try to use the UBports Installer instead of the manual way.
As a first step, please reset it to stock Android 7.1.2 from Google download page, as this contains vendor binaries that we need.
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@trashcat Ah sorry now I read your post fully. Okay so if UT is already there, we can still test the installer. I will give you instructions when I am at home today
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I also haven't gotten around to installing it yet (busy times), but I did reset my Nexus 6P to the four-core 7.1.2 following your instructions. Even ended up having to use it as a daily driver for a while, so thanks for pointing me in that direction!
I now have a new daily driver, and would be happy to test the installer on the 6P if that would be helpful.
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@potet Cool! You can also try the eight-core TWRP e.g.? Because current image that I am providing will be 8-cores...
