Is it possible to slow down the cpu speed (stock kernel B371)? - Honor 7 Q&A, Help & Troubleshooting

want to slow down my device a little bit.
tried to use Kernel Audiutor but it has failed!
Tried to set to less than 1800 but it goes uü to 2200-
governors option is unchangeable too
what did i made wrong?

You are rooted? You can try the app Device Control
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For me, kernel auditor is working, but it makes device a bit unstable. Did you checked first if you applied the settings on boot?
You can also try 3c ToolBox, its a good tool too to tweak various settings.

Related

[Q] CPU usage in Android Status after flashing mik_os kernel (and other questions)

Hi,
i have just flashed mik_os kernel on my LG Optimus One running stock Android 2.2. Everything went fine, looks like Angry birds is playable now, but
1) i noticed in Android Status that cpu usage with phone idle is constantly around 30-40%. Is it normal?
2) what if i want to try the Der_caveman kernel instead? can i flash it over the mik_os one?
3) before flashing, i have done a nandroid backup. Is it enough to revert to stock kernel?
4) what if i want to remove the Custom Recovery, say e.g. because i need to RMA the phone? Am i required to reflash a stock LG firmware or there is an easier solution?
thx in advance
1)I have a CPU usage of 15-20% at idle so 40% is definitely not normal but maybe some app is running in the background which is using the CPU.
2) Yes you can flash it directly over it. No problems. I suggest you do so. I use der_caveman and the usage figures I quoted were for this. Mik_os kernel might be why the usage is high for you.
3) Yes.
4) If you have backed up ur original recovery then you can easily flash it else you need to revert back by flashing stock firmware.
Hope I helped
Sent from my LG-P500 using XDA Premium App
kewl, thx for your reply.
I am now checking with System Panel Lite, looks like the figures of Android Status were wrong. I have some spikes, but overall the cpu usage stays lower...
Another question: if i want to flash the O1_boost (hw acceleration+JIT enabled), will i lose the touchscreen fix or not?
Glad to help. I still suggest you go with der_caveman.
And no. Enabling tweaks won't let you lose the touchscreen fix. Also while jit will increase quadrant scores it has no performance increase. And while hw acc will render ui a bit more fluidly it will also eat up more battery.
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Best alternative to set CPU?

Set CPU for some reason is no longer working for me. My settings wont stay set on boot. I'm looking for another overclock option, I'd like to also have profile management for off screen and temp, etc... thanks
If you want profiles, I know of no other voltage programs for the Galaxy S that have them besides SetCPU. For voltage control, we have Pimp My CPU and Voltage Control apps. Both were built with the Galaxy S series in mind.
You may want to simply uninstall/reinstall SetCPU first to see if that fixes your problem. Also, what ROM are you on? If memory serves, I had a similar issue back when I used Project V.
I've tried uninstalling and reinstalling several times. Reflashing the kernel wiping data, cache etc.. I'm on bi winning v3. The problem started when i tried tegrak overclock. Just wanted to give it a whirl, didn't like it and when i put set CPU back on the settings wouldn't stick.
maybe try romtoolbox. it allows you to designate max and min clock speeds as well as the governor. unfortunately no profiles are supported but the app is in the market and has a lot of helpful features with anyone with root access that is on a custom ROM.

Kernel Tuner

I have been using kernel tuner for a couple weeks. I've been running the crpalmer kernel (1.0.21).
I updated kernel tuner the other day and was just browsing the app and each time I went into cpu it was only showing cpu 0,2 and 3. If I backed out and pressed the cpu1 on/off button and went back in they were all showing and adjustable.
After some testing I noticed when I backed out of the app using my back button (right below the on/of toggle for cpu1) cpu1 would be offline. If I exited the app by pressing home or killing the app with long press back it stayed online. I made sure I was pressing back as low as I possibly could as to not touch the on/off toggle.
I'm not sure if it's the kernel operating as expected and taking cpu1 offline because of light load or if I'm actually turning the cpu off when I back out of the app.
Has anyone else seen this with kernel tuner? I've even, cleared data, cache in kernel tuner, uninstalled the app, reflashed the kernel, re install kernel tuner, made no adjustments and I still get the same thing. Phone still runs like a champ and battery life is fine, maybe I just need to stop looking at it.
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did that to me too.. not sure why it does that though... i like crpalmers kernel but i am currently trying out beastmode kernel and it doesnt do that in cpu like crpalmers does
Same thing seems to happen to me on lk's .95 kernel. Are these kernels written to take core 1 offline with light load?
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Kernel tuner is probably manually bringing cores online while the hot plug driver is taking cores offline.
It should correct itself the next load increases enough to cause the hot plug driver to change the number of cores.
I installed kernel tuner and it does bring all the cores online (and even tells you it is doing so).
My hot plug driver only fixes it after sufficient load has been generated to have it force all 4 cores online. I'll add a mode to the driver which periodically checks for cores that were manipulated outside of it and brings the up or down as necessary.
After the next release of my kernel, kernel tuner should bring them all online and then a few seconds later they will be brought back online. Kernel tuner is incorrectly bringing them all online because it is trying to let you independently configure your cores. You cannot independently configure the cores on a DNA which means doing so has no value and just encourages people to try to configure the cores differently...
crpalmer said:
I installed kernel tuner and it does bring all the cores online (and even tells you it is doing so).
My hot plug driver only fixes it after sufficient load has been generated to have it force all 4 cores online. I'll add a mode to the driver which periodically checks for cores that were manipulated outside of it and brings the up or down as necessary.
After the next release of my kernel, kernel tuner should bring them all online and then a few seconds later they will be brought back online. Kernel tuner is incorrectly bringing them all online because it is trying to let you independently configure your cores. You cannot independently configure the cores on a DNA which means doing so has no value and just encourages people to try to configure the cores differently...
Click to expand...
Click to collapse
Thanks for that information. I don't need to make adjustments it's just kind of fun playing around. Your kernel runs fine for me without making any adjustments in kernel tuner, noticeably better battery life than stock.
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[Q] [Cooltools] GPU Frequency and useage

Hello,
I recently installed Xposed framework on my s2 and then a few modules. One of them is Cool tool and i got around using it. I like having my stats onscreen and i wanted to see the following:
Cpu Frequency
Cpu usage (%)
Cpu temperature
Gpu Frequency
Gpu usage (%)
Battery temperature
Battery (%)
What I found so far (they were predefined in cool tool):
Cpu Frequency
Cpu usage
Battery temperature
Battery usage
I need help to find the rest:
Cpu tempeture
For this i googled about and found this stackoverflow.com/questions/20771070/how-do-i-get-the-cpu-temperature
I cd into /sys/devices/platform
Then I ran find | grep temp
I found
/s5p-tmu/temperature
/s5p-tmu/curr_temp
So i added them to cool tool custom labels and compare them with an app called cpu trmperature on playstore.
/temperature seemed to work but /curr_temp was showing something else.
Gpu frequency
I searched google and i found community.arm.com/thread/4724
And i searched around in /sys/ and i found this /sys/module/mali/parameters/mali_gpu_clk
I played angry birds go and it seemed to rise and fall to 260 or 275 something like that.
Now my question is:
Can someone tell me if cpu temperature is correct?
What is the average/normal cpu temperature?
Is the gpu frequency correct?
Is there a way to find gpu usage in percent?
If you can test cpu temp and gpu freq please test and let me know if those values are true.
Thanks,
P.S you can see cooltool running in the upper right corner in the screenshots
The green values are for cpu (freq usage temp) respectively then there is ram free
On second line blue is gpu freq red is batt temp and then battery percentage.
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Hi
i have found an old /sdcard/cooltool_presets/cpuoverlay0.xml i have (05/22/2014)
with some interested lines for you maybe. i think you cpu temp choice is good.
<string name="customLabelPath1">/sys/devices/platform/s5p-tmu/temperature</string>
<string name="customLabelPath2">/sys/class/power_supply/battery/voltage_now</string>
i remember i used @dorimanx kernel at that moment.
i have no answer about your other questions.
thanks.
Thanks for your reply. I guess thats the correct one for cpu temperature. Btw is it normal for cpu to get hot 65ºC when i play angry birds go? Im worried about that
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Neelkanth said:
Thanks for your reply. I guess thats the correct one for cpu temperature. Btw is it normal for cpu to get hot 65ºC when i play angry birds go? Im worried about that
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Click to expand...
Click to collapse
Yes it is normal. Our CPU is based on 45nm architecture which is 2011 technology. For an old CPU, it does heat up quite a bit but it shouldn't get too hot that it starts to burn your hand (that's why we have thermal throttling and etc.)
Thank you, actually it does not burn me, but towards the middle of the game it gets hot to 65º (checked with cool tool) around the camera and top of the screen warms up.
So i guess as long as I dont play more than 1hr it will be okay (i never play more than one hour)
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Ok. Guys i have a problem here. My S2's CPU heats up to 80º yes 80. I want to know if this is ok (i dont think so) and what is the root cause of this. Here is my configuration:
ROM: Wizzedkat v3.3 (some stock apps removed)
KERNEL: Siyah v6.0b5
Overclocked to 1400MHz @1337500uV
GPU overclocked to 330MHz
APPS:
Facebook
Whatsapp
Skype
Snapchat
Instagram
XPOSED:
Snapshare
Complete action plus
Cooltool
Xblast
GAPPS
Play store
Gmail
Translate
Maps
Youtube
Chrome
Titanium backup
Rom toolbox
Es file manager
The only game i have
Goat simulator
Note: i had angry birds Yesterday, UNINSTALLED it and THEN installed goat simulator
Seriously guys its heating up. I can FEEL it too, it also shutdown itself once (because of heat)
Also i use a silicone cover (pic below) if it helps.
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Neelkanth said:
Ok. Guys i have a problem here. My S2's CPU heats up to 80º yes 80. I want to know if this is ok (i dont think so) and what is the root cause of this. Here is my configuration:
ROM: Wizzedkat v3.3 (some stock apps removed)
KERNEL: Siyah v6.0b5
Overclocked to 1400MHz @1337500uV
GPU overclocked to 330MHz
APPS:
Facebook
Whatsapp
Skype
Snapchat
Instagram
XPOSED:
Snapshare
Complete action plus
Cooltool
Xblast
GAPPS
Play store
Gmail
Translate
Maps
Youtube
Chrome
Titanium backup
Rom toolbox
Es file manager
The only game i have
Goat simulator
Note: i had angry birds Yesterday, UNINSTALLED it and THEN installed goat simulator
Seriously guys its heating up. I can FEEL it too, it also shutdown itself once (because of heat)
Also i use a silicone cover (pic below) if it helps.
Sent from my GT-I9100 using XDA Free mobile app
Click to expand...
Click to collapse
Change frequency to stock and there will be a difference. Silicone covers are known to insulate the heat coming from your phone making it hotter as the phone can not breathe properly. Your overclocking is a big factor that increases CPU temps. You could try dorimanX 8.44 kernel instead of siyah since dorimanx has newer changes.
I tried but the touch becomes unresponsive. Same with the kernel that came with the rom so i had ti use siyah. Btw i disabled overclock and now it only heats to 70º.
P.S does anybody know how to post pics from the xda one spp?
Neelkanth said:
I tried but the touch becomes unresponsive. Same with the kernel that came with the rom so i had ti use siyah. Btw i disabled overclock and now it only heats to 70º.
P.S does anybody know how to post pics from the xda one spp?
Click to expand...
Click to collapse
The kernel that comes with wizzedkat is dorimanx 8.43 official by dorimanx which is actually quite buggy. The unofficial one by computoncio is much less laggier and has more fixes than the original one so it's more stable. Try dorimanx 8.44 v005 or v004 by computoncio and you'll find it less laggier than the official. Please disregard this if you've done this already and seen no improvement. Glad to see your temps dropped!
You could try the app coolify and keep it on when playing games.
Kernel_Dorimanx-V8.43-[12-21]-[24-10]-JB-SGII-PWR-CORE <<< is the kernel i tried. I will try 8.44 and coolify app. Thanks.
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I set max freq 1200mhz but temp still rise to 80º by the time i close game and took screenshot it dropped to 79º
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Switch back to siyah kernel if you think temps were lower with it. Avoid playing games when charging phone. Remove case if possible. That's all I can help you with.
Thanks. Will try dorimanx tonight and report tomorrow
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I flashed resurrection remix 5.2.3 (no games installed) works perfectly and so far no overheating (with silicone cover) with apolo kernel
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Any way to get control over the cpu?

I've tried several apps that could get kernel access, but they either crash or fail to load. I'm rocking android 7.1.2.
Verdinex said:
I've tried several apps that could get kernel access, but they either crash or fail to load. I'm rocking android 7.1.2.
Click to expand...
Click to collapse
Don't have that problem; suggests a possible problem with bootloader unlock. Any issues securing root?
This is what I see after installing su14.zip arm non-64:
https://imgur.com/a/jnnOc03
Strangely enough, I can't see the root option in the developers panel and it should've been under 'demo mode'.
Can you run Kernel Adiutor? Could give me the name of the app you're using so I can check if it works.
Verdinex said:
This is what I see after installing su14.zip arm non-64:
https://imgur.com/a/jnnOc03
Strangely enough, I can't see the root option in the developers panel and it should've been under 'demo mode'.
Can you run Kernel Adiutor? Could give me the name of the app you're using so I can check if it works.
Click to expand...
Click to collapse
- "su14.zip"? Looks like run-of-the-mill "Advanced Root Checker" app which yields unreliable results IME
- "I'm rocking android 7.1.2" - based on your post history assume that means AEX customized for HDX??
- if AEX there is no integrated "root option"; however, it will expose all installed/working tools in "UI &UX" section
- I use multiple kernel apps including EX Kernel Manager and Kernel Adiutor to name a couple of popular ones; no issues
Davey126 said:
- "su14.zip"? Looks like run-of-the-mill "Advanced Root Checker" app which yields unreliable results IME
- "I'm rocking android 7.1.2" - based on your post history assume that means AEX customized for HDX??
- if AEX there is no integrated "root option"; however, it will expose all installed/working tools in "UI &UX" section
- I use multiple kernel apps including EX Kernel Manager and Kernel Adiutor to name a couple of popular ones; no issues
Click to expand...
Click to collapse
So which rom would you recommend instead? It seems this one has some issues regarding the root access. I've rooted my device with the file that can be found on official lineage website:
https://download.lineageos.org/extras
Verdinex said:
So which rom would you recommend instead? It seems this one has some issues regarding the root access. I've rooted my device with the file that can be found on official lineage website:
https://download.lineageos.org/extras
Click to expand...
Click to collapse
None of the popular HDX ROMs have "root access" issues. Your device, more accurately your firmware/software configuration, is the problem. Suggest a full wipe (all partitions) followed by a complete reinstall using the ROM of your choice. If issues persist it is likely the bootloader has not been fully/properly unlocked.
Davey126 said:
None of the popular HDX ROMs have "root access" issues. Your device, more accurately your firmware/software configuration, is the problem. Suggest a full wipe (all partitions) followed by a complete reinstall using the ROM of your choice. If issues persist it is likely the bootloader has not been fully/properly unlocked.
Click to expand...
Click to collapse
I've used magisk to root my device and everything's working fine now. I can run any kernel manager without much problem. Strangely enough, on demand cpu governor keeps my clocks at 300MHz. Interactive works a lot better. Is there any way to overclock my cpu without changing the kernel itself? I'd like to set single core at 2.2-2.3GHz and the rest at 1.9GHz to lower the temperature. 2.15 GHz is the maximum now.
Verdinex said:
I've used magisk to root my device and everything's working fine now. I can run any kernel manager without much problem. Strangely enough, on demand cpu governor keeps my clocks at 300MHz. Interactive works a lot better. Is there any way to overclock my cpu without changing the kernel itself? I'd like to set single core at 2.2-2.3GHz and the rest at 1.9GHz to lower the temperature. 2.15 GHz is the maximum now.
Click to expand...
Click to collapse
No way to overclock on stock kernel; there are no alternatives. Let interactive governor set the clocks and walk away. Twiddling CPU frequencies and other gov parameters on a handheld device of this type/vintage is a fools errand. Heat dissipation is not an problem unless you make it an issue with a thick/unventilated case after messing with CPU tunings. Just don't ...
Davey126 said:
No way to overclock on stock kernel; there are no alternatives. Let interactive governor set the clocks and walk away. Twiddling CPU frequencies and other gov parameters on a handheld device of this type/vintage is a fools errand. Heat dissipation is not an problem unless you make it an issue with a thick/unventilated case after messing with CPU tunings. Just don't ...
Click to expand...
Click to collapse
After playing around with different cpu governors, I discovered that the conservative mode is quite good when it comes demanding apps. Do you know an app that could allow me to set a particular cpu governors for different apps?
Verdinex said:
After playing around with different cpu governors, I discovered that the conservative mode is quite good when it comes demanding apps. Do you know an app that could allow me to set a particular cpu governors for different apps?
Click to expand...
Click to collapse
You'd have to roll your own script using a tool like Tasker or Xposed Edge.
Davey126 said:
You'd have to roll your own script using a tool like Tasker or Xposed Edge.
Click to expand...
Click to collapse
Thx, I'll stick to Kernel Adiutor it works really well and I can switch between governors on all core with a single button.

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