Develop Bugs

[KERNEL] smartass cmkernel 11/26/11]

This is based on the cyanogenmod kernel, with the main change being the smartass governor has been added and is default.
The zip file is in koush's anykernel format, so it can be flashed just like a rom.
Changes:
Smartass governor by erasmux is default
extra overclock enabled
patch #22 by farmatito
disabled CONFIG_SERIAL_MSM
NO SUPPORT WILL BE GIVEN. ONLY FLASH IF YOU KNOW WHAT YOU ARE DOING. NO ONE IS RESPONSIBLE EXCEPT YOU. BLAH BLAH BLAH.
Newest
2.6.35.14-oc-cm-smartass_g0dd6e8c.zip
source: http://github.com/dumfuq
old versions: http://www.mediafire.com/dumfuq

What does the smartass governor do?

mackster248 said:
What does the smartass governor do?
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smartass governor - is based on the concept of the interactive governor.
I have always agreed that in theory the way interactive works - by taking over the idle loop - is very attractive. I have never managed to tweak it so it would behave decently in real life. Smartass is a complete rewrite of the code plus more. I think its a success. Performance is on par with the "old" minmax and I think smartass is a bit more responsive. Battery life is hard to quantify precisely but it does spend much more time at the lower frequencies.
Smartass will also cap the max frequency when sleeping to 352Mhz (or if your min frequency is higher than 352 - why?! - it will cap it to your min frequency). Lets take for example the 528/176 kernel, it will sleep at 352/176. No need for sleep profiles any more!
i googled it lol, seems like its a bit more responsive then interactive, and it ramps down quickly too. could give some battery savings

What ROM's will this work with?

keeps cpu at/above 768mhz, will not go below until you switch off smartass gov.
liking the "sleep" enhancement, but seems like it should let the processor scale on down to 245 when idle with screen on

I'm running this with CM7 Nightly #16 and it's running really well. I'm getting a little more battery consumption than I do with zinx's kernel, but that could just be because I've only been using the kernel for around 2-3 hours. It may need a little more time to settle? I'm not sure, but it is definitely snappier! If it does scale down the cpu during screen off, you can't tell at all! It doesn't have any lag when unlocking like setting profiles usually does. So I'm really stoked about this kernel! Great work as always Dumfuq! This will be my new kernel for at least a few days to give it more of a chance.
PS: I'm only getting around 29 on linpack at 1.017 GHz, where as with zinx's I was getting 38's. Smartbench scores are at 1320's for productivity and 1869 for gaming. So those both beat out zinx's kernel. Just wanted to put those out there so people have some kind of a comparison point.

posted a v2. The difference is frequencies are changed to match glacier frequencies instead of hero's.
The only noticable difference here is that when the screen is off the frequency scales between 245 and 368 instead of being stuck at 245.

dumfuq said:
posted a v2. The difference is frequencies are changed to match glacier frequencies instead of hero's.
The only noticable difference here is that when the screen is off the frequency scales between 245 and 368 instead of being stuck at 245.
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Damn. Nice!

Works with evil's MIUI 1.1.26 r2..Hopefully battery life will increase now.
Edit: breaks video playback in miui

sl1k1 said:
Works with evil's MIUI 1.1.26 r2..Hopefully battery life will increase now.
Edit: breaks video playback in miui
Click to expand...
Click to collapse
Smartass is already compiled in.
Sent from my HTC Glacier

I use this on my GF's Mytouch Slide and she gets 20+ hr's on a charge overclocked @ 825. Was so hoping someone would port the kernal to this phone. thx dumfuq ^^

Trying to decide if I want to flash this over the stock cm7 kernel.
Has anyone noticed any gains from doing this? what about compared with the stock cm7 kernel + setCPU?

flashed this over build 16, cm7. I still use setcpu. no problems, everything is smooth like butter. Definitely smoother than it was before. no wake up problems, no play back problems. thanks for this =]

Does wifi calling also work with this? Anyone know?

brian6685 said:
Does wifi calling also work with this? Anyone know?
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You could always flash it and find out, and if not, just restore the backup you made prior to flashing it. ;] I don't see why it wouldn't it hasn't broken anything for me.

K ill try it out later when I get home from work. Thanks

whats the mhz setting on this by default? not super fond of setcpu. though i do like this idea of a custom throttle and logic. so i figured if the mhz is high enough then i'll give it a shot.

brian6685 said:
K ill try it out later when I get home from work. Thanks
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let us know what happens

here's my initial test of the v2 as far as battery goes...

looks like wifi calling works ;]
I've had great battery life with this kernel so far.

[Q] CPU speed SyndicateROM Frozen 1.10

II'm very new to xda but i successfully flashed SyndicateROM frozen 1.10 and wanted to know what setting i should be placing in setCPU to achieve the advertised overclocked 1.3gHz and undervolted at 1.0gHz, i've read min:200, idle:800, and max:1000-1300. Anyway I appreciate the help and thanks to all of you hard at work in the Android dev community!

You'll get the undervolted 1ghz by default. If you want 1.3ghz, use it as the max.

so if i understand correctly, if i overclock it to 1.3ghz i will be undervolted at 1ghz, so as far as battery life goes, will overclocking it to 1.3ghz give me battery life of the stock 1.0ghz? Sorry for the possibly erroneous questions lol

trdmatrix88 said:
so if i understand correctly, if i overclock it to 1.3ghz i will be undervolted at 1ghz, so as far as battery life goes, will overclocking it to 1.3ghz give me battery life of the stock 1.0ghz? Sorry for the possibly erroneous questions lol
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No. You will see less battery life at 1.3ghz. If you want battery life, don't even bother with SetCPU.

Set min 100, max 1.3ghz ondemand governor. 1ghz is uv automatically when it runs at that, but with 1.3 as your max it may not spend much time in 1.0. If your concerned with battery (UV) then min 100, max 1000 might be what you want. I've been running that and I seriously cannot come up with a single speed complaint. K0 and team have done an amazing job with this thing.
Sent from my ACS frozen Epic 1.1 and counting.

is setCPU safe to use on the epic with syndicaterom? i searched the forums, and it looks like some people are having problems with it...

niiiick said:
is setCPU safe to use on the epic with syndicaterom? i searched the forums, and it looks like some people are having problems with it...
Click to expand...
Click to collapse
I've been using syndicate rom for a coons age now and set cpu running the entire time working flawlessly.
Sent from my SPH-D700 using XDA Premium App

(Q)I have a og evo and cant overclock it 1.2ghz.

I have a og evo I want to know why when I overclock to 1.2ghz it freezes my phone why does it do that ?
Sent from my Nocturnal 4G using xda premium

Each Evo is different. Some of them can't handle that high overclock, or can't be undervolted very low. Each one is different, each has its limits.
I don't understand the big deal with overclocking. It burns your battery faster. I personally underclock, with little to no lag and is good enough for my casual gaming needs

Mine doesn't like a clock much at all. I can get about 1.1 before it starts locking up but even then it hangs a lot. I honestly don't see a difference from 1.0 to 1.2. Get a decent rom, good kernel and try out the v6 script an I almost guarantee you will like that better.

beaumontcali48 said:
I have a og evo I want to know why when I overclock to 1.2ghz it freezes my phone why does it do that ?
Sent from my Nocturnal 4G using xda premium
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Well for us to be able to help you, you would need to provide us with more details on how you are trying to accomplish this.

I use no frils cpu but have also tried setcpu and viperMOD I know that's the best way to overclock but is very confusing. Have any step by step instructions to of to 1.2 I know having higher voltages helps as well.
Sent from my Nocturnal 4G using xda premium
Sent from my Nocturnal 4G using xda premium

Overclocking is overrated. If you need to overclock for every day usage, then something is wrong - at least in my opinion. Resource intensive gaming is different, but you shouldn't need to overclock for browsing, texting, casual games, etc.
Try out the V6 Supercharger script. I'm not currently using it, but have in the past and it seemed to make my phone more snappy. A lot of people swear by it and it's a great script, definitely worth a shot. There are other things you can do to speed up your phone without overclocking. I'd try other options first since overclocking will chew through your battery. Increase the dalvik vm heap size, there are plenty of free apps on the market to help with this task. Uninstall apps you don't use, I'll bet that you never use some of the apps on your phone. Back them up with Titanium Backup and you can restore them if you ever need them again.
In case you didn't already know, the Evo can't overclock past 1.2, I'm not 100% sure why - it has something to do with the processor.
Supersonic Evo 4G | MIUI | Tapatalk

I never oc over 1075 and only when plugged in if i play a game I need to oc.for I just activate my charging profile and plug up and play 1.2 ghz is a good chance of doing serious.damage as these older scorpion processors get very very hot at that clock speed so they lock up to try and protect themselves from heat damage or they shut down the phone 1075 is as high as you should need to go for any games the evo can handle on the subpar gpu
Sent from my Classic-EViLizED-ToMAToFiED-EVo4g-

beaumontcali48 said:
...also tried setcpu and viperMOD I know that's the best way to overclock.
..
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I'm pretty sure viperMOD is more for undervolting than overclocking, which are not suppose to be combined together. I am running vipermod with max voltages - 50. Other nite was playing snes9x and was getting some lag with a game so I bumped max CPU up to 1.2. Phone went into a bootloop and had to superwipe and reflash everything. Don't know if its b/c vipermod + 1.2 CPU or just bumping up CPU. Didn't try it again.
Support TrevE!!

shift
Get a shift. Mine runs fine at 1.9. But usually run it art 254-1200 on demand.

{ParanoiA} said:
I'm pretty sure viperMOD is more for undervolting than overclocking, which are not suppose to be combined together. I am running vipermod with max voltages - 50. Other nite was playing snes9x and was getting some lag with a game so I bumped max CPU up to 1.2. Phone went into a bootloop and had to superwipe and reflash everything. Don't know if its b/c vipermod + 1.2 CPU or just bumping up CPU. Didn't try it again.
Support TrevE!!
Click to expand...
Click to collapse
You can overclock and undervolt together just fine. You just need to ensure that every frequency has a high enough voltage to run the processor at that step. My Evo is overclocked and undervolted just fine, although IIRC I can only push it up to 1.1 GHz . My tablet is 1ghz to 1.6ghz and is undervolted as well, though.

merge rls 2.0, iron monkey, Droid overclock because of the profiles options. I set up four profiles including one for temp. sometimes i'm underclocking and sometimes overclocking but only up to 1.19 to prevent freeze and boot loops. Only downside is right at open Droid overclock needs su permission but that is my choice since profile changes at open.
Very snappy afterwards.
Sent from my PC36100 using XDA Premium App

When I had the 4G, I was never able to go above 1118, or somewhere around that. It would have freezing issues.
On my evo shift, I was able to do 1.7 gHz (compared to stock 800 mhz) ok. 1.6 pretty reliabily, and I could run 1.5 all day long. Some guys could do 1.9. It just depends on the phone.

Actually overclocking and undervolting is counter-productive. What you should do, is read carhaulers and ropodopes guide over at vaelepak. Its give some good useful info about how to set up a good aosp rom. I'm underclocked, undervolted, and still getting 1400+ benchmarks. Check it out bro. You'll love the results.
Sent from my PC36100 using xda premium

tommy0823 said:
Actually overclocking and undervolting is counter-productive. What you should do, is read carhaulers and ropodopes guide over at vaelepak. Its give some good useful info about how to set up a good aosp rom. I'm underclocked, undervolted, and still getting 1400+ benchmarks. Check it out bro. You'll love the results.
Sent from my PC36100 using xda premium
Click to expand...
Click to collapse
Shoot the brutha a link
TrevE Supporter!

tommy0823 said:
Actually overclocking and undervolting is counter-productive. What you should do, is read carhaulers and ropodopes guide over at vaelepak. Its give some good useful info about how to set up a good aosp rom. I'm underclocked, undervolted, and still getting 1400+ benchmarks. Check it out bro. You'll love the results.
Sent from my PC36100 using xda premium
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Click to collapse
What? Overclocking and undervolting are two completely different things, and they aren't mutually exclusive. Unless you can provide a good reason as to why it's counter productive to do both, I don't buy that at all. Just checked my phone, my overclock requires an extra 25 mV for all three steps I've overclocked. 25mV isnt much, and it certainly isn't going to kill my battery that much faster.
Besides, the only time the CPU is going to be entering these high power modes is when it needs to do work, and it's better to do work as fast as possible to go back to sleep. Would you rather wake up, do a mundane task for 5 minutes, then go back to sleep or wake up, do a task at 2x the speed while only consuming 30-50% more energy, then going back to sleep after only 2.5 minutes?
HUGI is real.
Sent from my Transformer TF101

Yea shot me the link too bro.
Sent from my PC36100 using xda premium

First let me say I don't use viper mod or any voltage controlling mod.
On sense 3.0 roms such as mikg I over clock to 1152 and set the minimum to 384 and its smooth as butter. No problem and battery lasts all day.
On aosp however such as decks (I'm on it now) I underclock to 499 and leave the min at 254. Smooth as always and battery lasts forever.
Anything past 1152 is going to cause problems (at least in my experience) also the rom/kernel can effect how much you can overclock.
Sent from my PC36100 using xda premium

Gary13579 said:
What? Overclocking and undervolting are two completely different things, and they aren't mutually exclusive. Unless you can provide a good reason as to why it's counter productive to do both, I don't buy that at all. Just checked my phone, my overclock requires an extra 25 mV for all three steps I've overclocked. 25mV isnt much, and it certainly isn't going to kill my battery that much faster.
Besides, the only time the CPU is going to be entering these high power modes is when it needs to do work, and it's better to do work as fast as possible to go back to sleep. Would you rather wake up, do a mundane task for 5 minutes, then go back to sleep or wake up, do a task at 2x the speed while only consuming 30-50% more energy, then going back to sleep after only 2.5 minutes?
HUGI is real.
Sent from my Transformer TF101
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Click to collapse
Its counter productive because it is giving less to something that needs more. (Don't take this post as me trying to be a ****. Just voicing how someone explained it to me a while ago)
Think of this as cars.
Lets say you have a nice fancy v8 mustang. Stock, everything is well, balanced.
If you start adding parts and get it pushing out 1000 horsepower (overclock) your most likely gonna need more feul (voltage) or at least stock amount flowing into the engine just to keep it running.
Now lets say you got that same 1000 horsepower gas destroying mustang and you start to lower the amount of gas flowing into the engine (undervolt (done in vipermod)) cylinders (CPU) wont get enough gas, it wont work, and your stuck going no where.
So if that made sense (did to me) then you can see why they are counter productive. Unless your using vipermod to overvolt (which idk if you can since I don't use it) then you can disregard this whole post
Sent from my PC36100 using xda premium

Your car analogy is completely irrelevant. You can look up the exact voltages that the CPU runs on at every frequency, *even when overclocking*. Overclocking an Evo 1ghz to 1.2ghz takes maybe a 5% bump in voltage, and that 5% extra power is only going to be used *when the CPU is running at max speed* (which is only when there is a lot of work to do), and even then, it's *still better to let the CPU run at max speed with a tiny bit more power consumption than to cap the CPU at a slower speed and make it work for even longer*. Intel calls it HUGI, Hurry Up and Get Idle.
I know what I'm talking about, and I wish people would stop trying to argue with me based off of second hand speculation. I do this for a living, after all. There is absolutely nothing wrong with overclocking and undervolting, and it's the best way to get the most battery life *and* performance out of your phone, period.
Sent from my Transformer TF101

Gary13579 said:
Your car analogy is completely irrelevant. You can look up the exact voltages that the CPU runs on at every frequency, *even when overclocking*. Overclocking an Evo 1ghz to 1.2ghz takes maybe a 5% bump in voltage, and that 5% extra power is only going to be used *when the CPU is running at max speed* (which is only when there is a lot of work to do), and even then, it's *still better to let the CPU run at max speed with a tiny bit more power consumption than to cap the CPU at a slower speed and make it work for even longer*. Intel calls it HUGI, Hurry Up and Get Idle.
I know what I'm talking about, and I wish people would stop trying to argue with me based off of second hand speculation. I do this for a living, after all. There is absolutely nothing wrong with overclocking and undervolting, and it's the best way to get the most battery life *and* performance out of your phone, period.
Sent from my Transformer TF101
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Click to collapse
Hmm, *interesting*. I believe the best answer to the OP was covered rather well earlier. It's all about your rom/kernel/hardware combination. With all the variables to consider as relevant, your best bet is to experiment and find what works for your device. Don't check set on boot untill you are confident the set-up is stable. Higher is not always better with overclocking. My device runs blazingly well underclocked @768max. Gets insanely great battery @499max. However my quadrants are better @ 1036 than at 1190.
Great thing about android is you can experiment and learn through trial and error.
Sent from my PC36100 using xda premium

Undervolting

I wanted to know some more about undervolting and was hoping someone could help and explain a bit. Basically, what I'm seeing is when I undervolt my device on the max side of things, eventually the device freezes and needs a battery pull or reboots. When I don't touch the max voltage values and only drop the min values the phone seems more stable and doesn't reboot. Can someone explain if my thinking of only undervolting the min values is correct and why this may be happening. Also, what would be the proper way to undervolt the phone? I have been using system tuner to do so on deck's 1.3 ROM using the Lee +sbc kernel. Thanks for taking the time to read this and for all the helpful responses.
Sent from my Decked Evo running Lee+sbc... It's easier this way.

I have this same question! I was trying to figure this out becuase the freedom kernels have something to do with under and over voltage to allow better OC? not sure on why the you would need and over voltage to over clock?...

What is your ROM/Kernel setup?
Remember that undervolting and underclocking are two different things. Over/underclocking, via apps like setcpu, raise/lower the frequency at which your processor operates. Over/undervolting raises/lowers the power voltage available to your processor at any given frequency. This can potentially cause problems if you have a kernel set to undervolt your processor while running an app like setcpu to overclock it. This may be why you are seeing issues with your phone.

pmacevad said:
[snip]
I have been using system tuner to do so on deck's 1.3 ROM using the Lee +sbc kernel.
[snip]
Sent from my Decked Evo running Lee+sbc... It's easier this way.
Click to expand...
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Concordium said:
What is your ROM/Kernel setup?
Click to expand...
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OP clearly states he's running Deck's 1.3 and Tiamat 3.3.7 (aka LEE kernel)
OP should also state Deck's ROM version but I'm assuming 1.3d as it's most popular next to 1.3 Stable.
I'm running the same setup - Deck's 1.3d with LEE SBC. I'd like someone to explain (as the OP also asked) the difference between the MIN and MAX sides of the undervolting equation please.
(I do understand underclocking AND that it is a separate and different animal and for the record, my EVO is UC'd to 128/499MHz and using Smartass governor)
I'm just not sure what I'm looking at in the ST interface (what's the first number and what's the number in [] brackets?) and also not sure just why there is both a min and max voltage for each frequency and how it affects performance.
Thanks much for any inputs.
J.

I use vipermod and terminal emulator for aosp roms its much more stable than using system tuner and you can drop all voltages with a single command it all depends on your particular hardware but typically around -100 the phone will lag or freeze i usually stick to -50 at stock voltages and -25 on overclock i never overclock over 1075mhz as anything higher and my phone tries to cook my fingers however now im oc to 1.6ghz on my et4g with a 200mhz min and it stays nice and cool like it was clocked at 1.2ghz stock the exynos is capable of clock speeds up to 2 ghz but the phone doesnt handle those speeds well similar to the evo not liking anything over 1.19 at 1.2 on the evo theres a good chance of frying the logic board or bursting the battery from heat if you overclock dont undervolt too much as it makes the processor get really really hot due to it having to work harder from lack of energy to power it
We are legion, for we are many
Sent from my Anonymous DeathStar in the depths of GalaXy S2

To answer the min/max at each freq min is the lowest voltage that freq will run while idle max is the highest voltage the freq will run while in use the voltages are depenedant on the load running at the particular freq ie how many process' are running the more process' the higher the voltage required to power the processor
We are legion, for we are many
Sent from my Anonymous DeathStar in the depths of GalaXy S2

Is there an app the will show actual voltage the CPU is using in real time?
Sent from my Synergized Aggressive Lionfish Evo using the XDA app

bmw pro will u can set the mv on the widget or set recording in the app and it will log the info
We are legion, for we are many
Sent from my Anonymous DeathStar in the depths of GalaXy S2

I had a similar issue with undervolting and underclocking. I was setting my CPU min/max to 128-499 MHz and undervolting to -75 or -100 using Lee with Smartass v1. But I was getting too many random reboots and freezes on each ASOP rom I tried (e.g. Deck 1.3d, CM7).
I've been playing around with these settings. I changed my CPU to 128-576, no undervolting, and SZ 2.2.1 with SavagedZen governor. I haven't had any random reboots and my batter life is about the same...plus my phone is MUCH snappier. I'm still getting a little screen on lag but not nearly as much as I was at 128-499 and undervolted.
As a note, I normally run Deck 1.3d as my daily driver but for the last couple days I've been running KWIQ. It's definitely giving 1.3d a run for its money as becoming my daily driver.
Anywho, are there any rules of thumb with undervolting and underclocking? Like is 128 MHz is too low with -100 undervolting? Or are these things pretty much phone dependent? I know each phone seems to respond different to these things.

-EViL-KoNCEPTz- said:
To answer the min/max at each freq min is the lowest voltage that freq will run while idle max is the highest voltage the freq will run while in use the voltages are depenedant on the load running at the particular freq ie how many process' are running the more process' the higher the voltage required to power the processor
Click to expand...
Click to collapse
Thank you. That made good sense to me. Question then: is it suggested/typical to drop min and max by equal amounts or is it typical to drop min more (so there's juice for the proc under load but maybe being more aggressive with the sleeping/idle side of things or can the proc run at a given frequency at different voltages)?
jackfrost909 said:
I'm just not sure what I'm looking at in the ST interface (what's the first number and what's the number in [] brackets?)
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Click to collapse
Are you familiar enough with ST to shed some light on this? Please if so. Thank you.
detcup4evr said:
Is there an app the will show actual voltage the CPU is using in real time?
Click to expand...
Click to collapse
-EViL-KoNCEPTz- said:
bmw pro will u can set the mv on the widget or set recording in the app and it will log the info
Click to expand...
Click to collapse
Though I have to recheck this I don't remember BMW showing the voltage being used at each frequency just the overall voltage draw. If you know otherwise or another tool that does, please share
Thanks for all the help.
J.
--
Tapa Tapa Tapa..
Let's see.. My phone flies, my battery doesn't suck.. and your point was.... ?
OG EVO - Deck'd and LEE'd because it's just better this way.

Lionfish kernel
Has anyone tried undervolting with lionfish kernel on SENSE Roms, is it stable?

einstein562 said:
Has anyone tried undervolting with lionfish kernel on SENSE Roms, is it stable?
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I use aggressive and it works well but some phones don't like it, hopefully I can get vipermod to work, and that will allow you to adjust each frequency independently
Sent from my Synergized Aggressive Lionfish Evo using the XDA app

I actually just got rid of lionfish aggressive on MikG3.11
I had a lot of lagginess, but battery life was really good... Back to anthrax for me, lionfish was based at one point on freedom kernels I thought, maybe one of those would be better...?
What's the best thing to use to control undervolting on sense roms?
Sent from my PC36100 using Tapatalk 2

Is the battery life improvement substantial when undervolting?
I have governators set at 240-650max and am getting decent life on my ics savoca kernel.
What % improvements are obtained?

Well I don't have logcats and scientific evidence, but I saw about 12 hour days, with moderate use, everything syncing, lots of text a few calls, hotspot for an hour or so, some web browsing, but the random revolts and lagginess on that was horrible, freedom was better.... It's worth it to underclock
I have everything set to 384-1152.
Different governors for profiles, screen off @ conservative because I have a lot to sync
Sent from my PC36100 using Tapatalk 2

Voltages for 1.5 1.6 1.7GHz

I'm using the lost rogue kernel v 1.5 but when I go to overclock it the phone freezes what voltages would stop this? Or what could stop it?
Sent from epic 4G touch

It runs the best for me at 1.5...you can fool with the voltages and stuff tho...Im sure someone will jump in and show the best settings...mine freezses at 1.6...1.5 is fine for me tho...

Mine works at 1.4 but freezes at 1.5 and above
Sent from epic 4G touch

There is no set answer as every device is different. The best you can do is up the voltages one step at a time until it becomes stable.

I have had1.6 stable on stock repack kernel using Tegrak. My voltage is 1375 but some have to go to 1400 to get it stable. I never tried anything higher and actually don't overclock at all but try those for 1.6 and above post is right. Almost every phone reacts a bit different
Sent from my Nexus S 4G using xda premium

On rouge gunslinger I have my voltage set to 1525 for 1.7 and for 500 I minus 50 from what it is stock and 200 plus 50 all stick and our stable