So I did some reading on aftermarket kernals. Seems the benefit of ktooncervative is it is conservative but also able to intelligently turn on core two?
If im correct then my question is what is the stock kernal most like? Ondemand? And does it also do scaling/turning on/off core 2?
Just curious I have had a few rooted/custom roms on different phones over the years but have been getting into the kernal side of things thanks to ktoonz.
Related
Hey,
So sorry for what probably seems like a dumb question. I'm usually a Vibrant guy, but I'm helping a buddy out with a G2/looking at the feasibility of getting one myself. I know at least for the Vibrant our normal kernels don't play nice with our version of CyanogenMod 7. I was curious if the same held true here? Or can I flash any kernel? Also, I see that there are different types based on the type of ROM, which is a new thing to a Vibrant owner. So can anyone recommend me a kernel? I'm pretty decent on flashing and all that, and recovering a brick (at least with my Vibrant). Basically I want the best bottom-line performance. I don't need extra bells and whistles, just a nice high clock frequency. Thanks!
-MN_Vibrant
MN_Vibrant said:
Hey,
So sorry for what probably seems like a dumb question. I'm usually a Vibrant guy, but I'm helping a buddy out with a G2/looking at the feasibility of getting one myself. I know at least for the Vibrant our normal kernels don't play nice with our version of CyanogenMod 7. I was curious if the same held true here? Or can I flash any kernel? Also, I see that there are different types based on the type of ROM, which is a new thing to a Vibrant owner. So can anyone recommend me a kernel? I'm pretty decent on flashing and all that, and recovering a brick (at least with my Vibrant). Basically I want the best bottom-line performance. I don't need extra bells and whistles, just a nice high clock frequency. Thanks!
-MN_Vibrant
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Click to collapse
If you're looking for a kernel for CM7, the kernel included is quite snappy though I personally run pershoot's kernel as he undervolts and has some other tweaks which improves responsiveness *and* battery life, at least for me.
Sent from my HTC Vision using XDA App
CM7 already comes with its own custom kernel (which also supports some overclocking), so no need to flash a separate kernel if you don't want to. But as already mentioned, pershoot's works well too.
You can't flash any kernel. Some are Sense specific, and some are for non-Sense ROMs. Flashing the wrong one for your ROM can apparently brick the phone, so read thru the threads for the ROM and kernel you are interested in, to be sure. The ROM developer will usually have kernel recommendations, or you can see what kernels users of that ROM have tried.
Like stated above you will need to read the instructions and notes on the kernel thread. CM7 has special requirements. Other Roms don't need. but be very careful on what you flash!
Hello all. I wanted to see if tips could be posted on how to increase scrolling laginess and increase fps in things like video and games. I bought my wife the shift and Ive noticed its alot better at mobile gaiming and video playback/recording.
Ive rooted and installed myns warm two point two along with netarchy-toastmod 4.3.4 cfs havs more nosbc.
Ive overclocked to 1.2ghz using setcpu and left the governor on smartass. (no profiles)
These seem to have made a visual improvement, but I want/need more.
So my questionis are...
Is there specific kernels that will help get the results Im looking for? (Im more insterested in performace, but would like batterly life is possible)
Are there any hidden tips that can be done via command line etc that will change things to allow for a better fps performance?
ANy help, links, etc will be appreciated. Ive been searching for weeks already just to get myself rooted/romed/kerneled.
The Shift has a better processor and a better GPU. I don't think you're going to be able to match it by overclocking. There are ROMs that tend to be a little smoother than others (MikFroyo 4.6 is nice), but there's only so much that can be done with the hardware. The Evo itself is almost a year old, and the QSD8650 SoC it uses has been available since Q4 2008.
sinnedone said:
Hello all. I wanted to see if tips could be posted on how to increase scrolling laginess and increase fps in things like video and games. I bought my wife the shift and Ive noticed its alot better at mobile gaiming and video playback/recording.
Ive rooted and installed myns warm two point two along with netarchy-toastmod 4.3.4 cfs havs more nosbc.
Ive overclocked to 1.2ghz using setcpu and left the governor on smartass. (no profiles)
These seem to have made a visual improvement, but I want/need more.
So my questionis are...
Is there specific kernels that will help get the results Im looking for? (Im more insterested in performace, but would like batterly life is possible)
Are there any hidden tips that can be done via command line etc that will change things to allow for a better fps performance?
ANy help, links, etc will be appreciated. Ive been searching for weeks already just to get myself rooted/romed/kerneled.
Click to expand...
Click to collapse
As bkrodgers said, the Shift has better hardware than the Evo. My roomate has one, and that thing really is smooth, even on the stock rom. It nailed like 1400 or something like that on quadrant, not even overclocked on a stock rom. The only changes I ever make to my phone that affects the scrolling is the kernel. My phone doesn't like havs, the voltage scaling makes it unstable, and it lags severely, on any havs kernel. I get the smoothest experience out of my device from a kernel that has no havs and isn't undervolted. Of course, you get bettery battery life out of a kernel with havs, if your phone can tolerate it. Every phone acts differently on different kernels, which is why there are so many to choose from. So you can find the one that's 'just right' on your device. It takes a little playing around and kernel swapping to find the right combo. And as far as I know, basically all the kernels that have been available for a good number of months now, have the fps fix already baked in. When the Evo's first came out, FPS was capped at 30fps. Since then, all the custom kernels allow for it to go much higher than that, sometimes up to 60fps. I don't believe there's much more you can do with that.
Also, for what it's worth, you might want to try out an AOSP rom. They have much less crap in them, and they tend to run very very smooth (in my experiences). Not to talk down on any sense rom, as I also love sense, and 99% of the time and more than happy on whatever sense rom I happen to be running at the time. Fortunately, the Evo has quite a few selections on roms and kernels, so there is quite a bit of playing around and tweaking you can do, in search of the perfect setup.
thanks I'll probably try miks rom to see how that goes.
I understand about the hardware and that the shift has a better cpu, but is there anything else other than what I have already done to make everything nice and speedy UI wise? I think the biggest culprit is the app drawer being clunky. (like this on the shift as well) No settings in linux that can help there?
Oh and kernels. Ive tried 2 of netarchy-toastmods kernels and havent really noticed a difference. Both have had havs. Should I stay away from these type of kernels to get better visual performance?
ANy other tips on which kernels youve tried and noticed better ui results?
ah yes the elections are great. lol I guess I'll have to try a non havs kernel to see how they perform along with the senseless roms.
Thanks all
sinnedone said:
thanks I'll probably try miks rom to see how that goes.
I understand about the hardware and that the shift has a better cpu, but is there anything else other than what I have already done to make everything nice and speedy UI wise? I think the biggest culprit is the app drawer being clunky. (like this on the shift as well) No settings in linux that can help there?
Oh and kernels. Ive tried 2 of netarchy-toastmods kernels and havent really noticed a difference. Both have had havs. Should I stay away from these type of kernels to get better visual performance?
ANy other tips on which kernels youve tried and noticed better ui results?
ah yes the elections are great. lol I guess I'll have to try a non havs kernel to see how they perform along with the senseless roms.
Thanks all
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Click to collapse
You're welcome. Just bear in mind, that if you do try out an AOSP rom, that they have different kernels to use. You must use a kernel that was made for AOSP on an AOSP rom. So don't go trying a netarchy kernel on an AOSP rom
Also, I didn't have as good a luck with net's 4.3.4 kernel's as I did on the 4.2.2 or 4.3.2. Also the 4.1.9 kernel's worked great for me. For some reason, the newest one's don't give me the best performance.
As far as tweaking things using ADB, I don't think there's anything you can do FPS related. I believe there are ways to adjust the undervolting in a kernel, using adb, and things like that. But as far as I know, the FPS is what it is at this point, although it will vary from kernel to kernel.
Are there any advantages/disadvantages for using a stock kernel vs a custom kernel? Thanks for the responses.
Sent from my Modded Classic Evo... It's easier this way.
Stock kernel usually does'nt clock over 998MHz and you are'nt able to over or undervolt the kernel for better battery life.Also on custom kernels there are more governor options(smartass,etc.).Custom kernels can go up to 1118MHz sometimes higher,depends on the CPU.
Diablo67 said:
Stock kernel usually does'nt clock over 998MHz and you are'nt able to over or undervolt the kernel for better battery life.Also on custom kernels there are more governor options(smartass,etc.).Custom kernels can go up to 1118MHz sometimes higher,depends on the CPU.
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I am aware of those differences. Basically, I'm wondering why I see so many people wanting to use a stock kernel (especially the one in the new OTA) and I was wondering why. Like what are the advantages of using the stock kernel over a custom kernel? Is it more stable? Are there any other things I may not be thinking of that would make a stock kernel a better choice? Thx again!
Sent from my Modded Classic Evo... It's easier this way.
I would think stock kernels to be smoother because they are designed for that particular rom/build,when a custom kernel is designed to run on different roms/builds,then when roms are updated or changed,the custom kernel does'nt,unless changed by the developer,hence the lag and FC's.I hope thats the answer you were looking for.
Custom kernels are made universal for several devices and roms. Although they yield benefits over stock, sometimes they can be unstable on certain setups. like mentioned above stock is made specifically for said device bout somewhat limited, though very stable
Sent from my OG Evo 4G via XDA app. Did I mention from inside my pocket?
Diablo67 said:
I would think stock kernels to be smoother because they are designed for that particular rom/build,when a custom kernel is designed to run on different roms/builds,then when roms are updated or changed,the custom kernel does'nt,unless changed by the developer,hence the lag and FC's.I hope thats the answer you were looking for.
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Naturesretard said:
Custom kernels are made universal for several devices and roms. Although they yield benefits over stock, sometimes they can be unstable on certain setups. like mentioned above stock is made specifically for said device bout somewhat limited, though very stable
Sent from my OG Evo 4G via XDA app. Did I mention from inside my pocket?
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Thanks clicked for both of you. Reason I ask is because I am running the new radios that were released with the newest OTA and wanted to know what to look for when I finally give the new kernel a try. Has anyone used the new kernel HTC released with the OTA yet? Has anyone a comparison they could share? Thanks.
Sent from my Modded MikG Evo... It's easier this way.
Thanks for the info.
Hello fellow XDA brethren!
I am reaching out to whomever may be able to give me an "advanced" type of explanation in regards to
modified kernels being applied to my phone.
T-Mobile Galaxy SIII (32Gb White)
I seem to be having issues with many of the kernels offered by some of the excellent developers in the t999 forum.
Namely, ktoonsez, and the other famous dev who's name escapes me right now.
When I flash kernels like those above, my main symptoms are:
Artifacting / Glitchyness in GUI.
Now... I know that some kernels are geared towards battery life and are undervolted to a point, I've tried everything,
volting back up. I've been flashing every one of them properly as well. I know that people say "all phones aren't created
equal", but i refuse to believe that mine is so whack that I cant even use anything other than stock kernels.
I firmly believe that these symptoms are from GPU overclocks that my phone simply cannot handle, (explains artifacts?).
I can use different roms with their respective kernels such as CM10, and a few of the other popular TW roms that are offered.
Here's what I was wondering:
Is there any application that I can use to control GPU overclock (to see if tweaking with this fixes it, to narrow it down
that my phones GPU is just very sensitive)
Are there any kernels out there for touchwiz that give me some nice benefits that dont have any GPU overclock?
What other methods can I fool around with to see exactly what part of my phone is weak?
Any suggestions are appreciated!
I get LOUSY batterylife / performance on tmo stock kernel.
If it were a PC, the first thing I would suspect of causing the artifacting issue is bad video memory. Combine that with the poor performance on stock, it stands to reason that you may have gotten a bad phone from the factory. I would suggest that you consider simply having it replaced under warranty, if you do have bad RAM in the phone the problems will only get worse.
What really is the difference between all these stock type kernels that are "deodexed" I am specifically talking about the ones that Scott puts out that are basically Samsung kernels?
Am I gaining anything by upgrading these kernels when the new ones come out.
If I use an international kernel will that do anything negative to my United States phone?
I am running cleanrom 4.0.5 right now and just flashed an "L7" kernel, from Scott's website that allowed me to mess around with boot animations.
livingaboard said:
What really is the difference between all these stock type kernels that are "deodexed" I am specifically talking about the ones that Scott puts out that are basically Samsung kernels?
Am I gaining anything by upgrading these kernels when the new ones come out.
If I use an international kernel will that do anything negative to my United States phone?
I am running cleanrom 4.0.5 right now and just flashed an "L7" kernel, from Scott's website that allowed me to mess around with boot animations.
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Click to collapse
I usually dont mess with the kernel because I actually tried NOTE2CORE and that was kind of buggy for me my infrared light is always on if you know what Im talking about. the light next to the ear piece. I also tried perseus and saber and I did not tweak them or anything like UV or OC them. If you are crazy about OC and tweaking them those two are your best bet. If you are like me and cant really tell the difference in speed then keep it stock. I am running the new stock kernel MA4 or something. I am running CLEAN ROM also but the AT&T version 1.2.
Hope this helps and good luck
Best thing to do is search forums. This question has been answered many times. And there is some great guides already written on any questions you have about kernels. Thats how I learned and found a rom that I wanted. The info/guides will inform you much better than a post like this.