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[APP] Sysctl Config (Boost your X10 Performance)

I am not the developer of this app. I am not a developer either, I am just an experienced user and just found an application that maight be usefull for our X10's.
Sysctl Config, It can be downloaded from the market.
With the appropiate settings, this app can improve performance and battery life. What it does is that it modifies certain kernel parameters related to virtual memory management.
This appication is only intended for advanced users and there is very little documentation on which are the best settings. I personally noticed a performance boost and now the phone is a lot more responsive, the scrolling is smother and it boots up a lot faster.
You should also notice a boost in 3d performance, specially runing high end games, such as asphalt 5 and avatar.
Probably the settings I used improved performance at battery life cost, but I will need to wait until tomorrow to tell since my battery is almost drained right now anyway and I just plugged it in. I also noticed an increase of my quadrant benchmark from around 1300 to over 1500.
After testing for about 3 months, these are the settings I found work best for me:
min free kbytes: 32568
dirty ratio: 5
dirty background ratio: 3
vfs cache pressure: 0
Oom allocating task: Enabled
For some, setting vfs cache pressure to 0 is risky. I can confirm that this setting was causing ramdom reboots on heavy usage, however, I enabled compache using spare parts app posted in this link and the issue went away:
http://forum.xda-developers.com/showthread.php?p=12310102
BTW I am using CM 6.1.1 ROM.

Well, I think such detailed settings is kind of overkill for devices like phones. I'm not sure you could gain much performance, but it worst a try
BTW http://www.linuxinsight.com/proc_sys_vm_hierarchy.html here you could have more explained features that this app provides.

creage said:
Well, I think such detailed settings is kind of overkill for devices like phones. I'm not sure you could gain much performance, but it worst a try
BTW http://www.linuxinsight.com/proc_sys_vm_hierarchy.html here you could have more explained features that this app provides.
Click to expand...
Click to collapse
I saw the app in a forum about the G1. I havr no doubt that my phone is more responsive now, but im not sure how this is affectijg my battery.
What settings would you recommend?
Sent from my X10i using XDA App

Hey, can anybody post this program download link here? For some reason, i can't download it from market

Farik335 said:
Hey, can anybody post this program download link here? For some reason, i can't download it from market
Click to expand...
Click to collapse
maybe you made a typo. type sysctl and it show be the first result.

burshturs said:
maybe you made a typo. type sysctl and it show be the first result.
Click to expand...
Click to collapse
Oh, thank you, i'm so stupid. Let's see what we have there...

This seems really promising. I used the settings posted by the OP and definitely noticed a performance improvement. I too have very little knowledge about the best settings to use for our X10s and would appreciate some insight by someone does I'm tentative to really modify any of the settings out of fear of doing irreversible damage...if that's even possible.
Hopefully as more of us become aware of this application we'll collectively be able to find the optimal settings! Btw, anyone know the default X10 settings for this app??

hm the settings from the op drops the linpack score from 34 to 30mflops.
maybe we should play with these settings.

A thread here ---> http://forum.xda-developers.com/showthread.php?t=523707
Some more here ---> http://nenolod.net/how-to-improve-user-performance-on-android-phones/

The X10 probably has a BFS kernel which means *some* sysctl commands would NOT execute on our phones.

rvictorg said:
This seems really promising. I used the settings posted by the OP and definitely noticed a performance improvement. I too have very little knowledge about the best settings to use for our X10s and would appreciate some insight by someone does I'm tentative to really modify any of the settings out of fear of doing irreversible damage...if that's even possible.
Hopefully as more of us become aware of this application we'll collectively be able to find the optimal settings! Btw, anyone know the default X10 settings for this app??
Click to expand...
Click to collapse
I think defaults were 2048, 95, 60, 50 and enabled, respectively.
Sent from my X10i using XDA App

setaseti said:
hm the settings from the op drops the linpack score from 34 to 30mflops.
maybe we should play with these settings.
Click to expand...
Click to collapse
Try linpack twice in a row. Make sure it loaded the ads before trying. Also try quadrant, make sure u run twice when benchmarking since this will allow the OS to kill some background tasks so the second time should be a little higher.
Im getting linpak 34.96 and quadrant 1565.
Sent from my X10i using XDA App

javagreen said:
The X10 probably has a BFS kernel which means *some* sysctl commands would NOT execute on our phones.
Click to expand...
Click to collapse
I suspect the settings are applied since the values remain the same after rebooting. However i am not sure if this proves anything.
Sent from my X10i using XDA App

burshturs said:
I suspect the settings are applied since the values remain the same after rebooting. However i am not sure if this proves anything.
Sent from my X10i using XDA App
Click to expand...
Click to collapse
I was actually talking about a few settings I found in one of the pages I linked earlier.
I've used the sysctl app myself and using the exact same values as you are. I feel the phone's 3d performance has taken a hit - let me keep it ON for a couple days and see how it progresses.

javagreen said:
I was actually talking about a few settings I found in one of the pages I linked earlier.
I've used the sysctl app myself and using the exact same values as you are. I feel the phone's 3d performance has taken a hit - let me keep it ON for a couple days and see how it progresses.
Click to expand...
Click to collapse
Have you notice a difference in battery life? I cant say if it has improved or worsen it.
Sent from my X10i using XDA App

javagreen said:
I was actually talking about a few settings I found in one of the pages I linked earlier.
I've used the sysctl app myself and using the exact same values as you are. I feel the phone's 3d performance has taken a hit - let me keep it ON for a couple days and see how it progresses.
Click to expand...
Click to collapse
I did see other configurations that could be changed (or not). You can find them in /proc/sys/vm, however I am not sure how to edit such files without a gui, I guess maybe a hex editir would open it, but I would need to try it first.
Sent from my X10i using XDA App

burshturs said:
Have you notice a difference in battery life? I cant say if it has improved or worsen it.
Sent from my X10i using XDA App
Click to expand...
Click to collapse
I just enabled it a couple hours ago - it's too early to form an opinion, which is why I said i'm planning to keep the settings for atleast 2 days and see how it goes.
burshturs said:
I did see other configurations that could be changed (or not). You can find them in /proc/sys/vm, however I am not sure how to edit such files without a gui, I guess maybe a hex editir would open it, but I would need to try it first.
Sent from my X10i using XDA App
Click to expand...
Click to collapse
Assuming you're rooted, you can use Ghost Commander from the market and use it's inbuilt editor to edit files + save them from within the GUI. Personally, i'd refrain from dabbling with more critical values without full knowledge of what I'm doing.

javagreen said:
I just enabled it a couple hours ago - it's too early to form an opinion, which is why I said i'm planning to keep the settings for atleast 2 days and see how it goes.
Assuming you're rooted, you can use Ghost Commander from the market and use it's inbuilt editor to edit files + save them from within the GUI. Personally, i'd refrain from dabbling with more critical values without full knowledge of what I'm doing.
Click to expand...
Click to collapse
javagreen said:
I just enabled it a couple hours ago - it's too early to form an opinion, which is why I said i'm planning to keep the settings for atleast 2 days and see how it goes.
I totally get you
I dont mind having to reflash, but i did see a couple of values i would like to change. Ill let you guys know what happens
Sent from my X10i using XDA App
Click to expand...
Click to collapse

^Cheers
Actually, I'm thinking of moving up to Z's 2.2.1 B3 as of now. Should I just go ahead? Just asking 'cause you are running it - is it good enough for everyday use by now?

burshturs said:
Have you notice a difference in battery life? I cant say if it has improved or worsen it.
Sent from my X10i using XDA App
Click to expand...
Click to collapse
Personally my battery life has decreased, by how much is hard to say exactly because I've been a little heavier on my phone today than usual. At this point in the day my battery life is expected to be about 10 more hours and right now it's only reading 4--using the juice plotter app.
The phone does seem to be more responsive though and if I can still get through a whole day of moderately heavy use I'm happy.
Again, hopefully other more knowledgeable people here can post optimal settings for our X10s
*UPDATE* Yeah the settings in the OP definitely kill my battery a lot faster. The phone is more responsive for sure, but at the expense of battery performance. I'm running 2.1 Eternity ROM, dual touch, etc etc if that concerns anybody. I think I'll switch back to the default settings and uninstall this app because my battery life is honestly close to half of what it normally would be, I'm surprised no one else has noticed an impact?? :S

Data speed increase (wifi/3g/4g)

This is a known linux tweak and I have tested it on the epic and there seems to be mixed results. BTW, YMMV so don't go blaming me for messing up your phone... The zip is made for my rom but will most likely work on all others (even AOSP).
Open up /system/etc/sysctl.conf (make it if it isn't there)
Add the following...
Code:
net.ipv4.tcp_ecn=0
net.ipv4.route.flush = 1
net.ipv4.tcp_rfc1337 = 1
net.ipv4.ip_no_pmtu_disc = 0
net.ipv4.tcp_sack = 1
net.ipv4.tcp_fack = 1
net.ipv4.tcp_window_scaling = 1
net.ipv4.tcp_timestamps = 1
net.ipv4.tcp_rmem = 4096 39000 187000
net.ipv4.tcp_wmem = 4096 39000 187000
net.ipv4.tcp_mem = 187000 187000 187000
net.ipv4.tcp_no_metrics_save = 1
net.ipv4.tcp_moderate_rcvbuf = 1
Flashable zip if you don't wanna make it yourself: acs forums are directing to the wrong download...

Will this work with cyanogen mod?
Sent from my SPH-D700 using Tapatalk

counterfeit187 said:
Will this work with cyanogen mod?
Sent from my SPH-D700 using Tapatalk
Click to expand...
Click to collapse
It should work on any rom

counterfeit187 said:
Will this work with cyanogen mod?
Sent from my SPH-D700 using Tapatalk
Click to expand...
Click to collapse
c'mon nandroid and find out! soon as i reboot i am experimenting!

Chris41g actually put this in his eh17/eh06/eg22 plus kernels. So, if you ever had a net boost with the plus kernel, that's why.
sent from my always aosp epic

Sweet!
Can anyone make a flashable zip of this pretty please for us lazy people?

anyone confirm this working?

I can confirm I pushed it into system\etc and there was a file already there by that name. I didn't compare them.
As far as speeds go I can definately see an improvement. Lately it has been in the 300k on average. Tonight I clocked in at 848kbps down, 676 up, and it has stayed there repeatedly.
---------- Post added at 12:44 AM ---------- Previous post was at 12:42 AM ----------
Funny thing is I didn't add the above like he said. I just replaced the file with that. I'm probably lucky it is still working.

This would impact your TCP stack - 3G, Wifi, and 4G.
http://www.santa-li.com/linuxonbb.html (among many others that talk about Linux TCP/IP tuning)
EDIT: I see the title was edited from the original "3G Fix" and OP now says "known Linux tweak". I just wanted to clarify why I said the above. Always check the impact on Wifi as well.

Okay, I added back what was in the file before and everything seems good. Speeds are better than they have been, but who knows.
Just wanted to add that my last three speedtests have avergage over 1200kbps down 500kbps up. I never get those kinds of speeds at work, so I think this is definately an improvement. But with anything time will tell.

Zip coming when I get home.
Sent from my SPH-D700 using XDA App

What do you create this with?

Wow.
I'm always skeptical of these kind of tweaks, but..
Pre-tweak download speeds: 590,290,413
Post-Tweak download speeds: 941,684,1012,741
It could still be be coincidence though.
I'll continue to run tests throughout the day and see how it goes.

toadlife said:
Wow.
I'm always skeptical of these kind of tweaks, but..
Pre-tweak download speeds: 590,290,413
Post-Tweak download speeds: 941,684,1012,741
It could still be be coincidence though.
I'll continue to run tests throughout the day and see how it goes.
Click to expand...
Click to collapse
I dont have this file in my system. How do you create and push this? Is it a simple text file? ???

MikeyLee said:
What do you create this with?
Click to expand...
Click to collapse
Notepad ++ on windows. Most text editors (preferably one for coding) on linux. I don't code on mac so idk...
Sent from my SPH-D700 using XDA App

I just used notepad and saved it as a text file. When I pushed it to my phone I had to rename it and drop the .txt extension. It seems to have done the trick and I am impressed so far.
marcusant said:
Notepad ++ on windows. Most text editors (preferably one for coding) on linux. I don't code on mac so idk...
Sent from my SPH-D700 using XDA App
Click to expand...
Click to collapse

http://dev-host.org/3nzgolp0e54a/DataSpeedTest.zip

marcusant said:
http://dev-host.org/3nzgolp0e54a/DataSpeedTest.zip
Click to expand...
Click to collapse
*fistshake*
I just made a package of this and was going to post it.

I didnt see a difference at all. Nothing significant anyways.

MikeyLee said:
I didnt see a difference at all. Nothing significant anyways.
Click to expand...
Click to collapse
as I said, YMMV

[Q] Does Auto-Brightness better or worsen battery life?

Like the title states- since the Auto-brightness requires a constant running of scripts/ working of sensors, how does it effect battery life in general? Running on Insertcoin 4.4.8 at the moment, and noticed the sensor detects changes way more than the previous versions.
Just a query- an informative answer would be appreciated.
Cheers,
Tony

spit_fire said:
Like the title states- since the Auto-brightness requires a constant running of scripts/ working of sensors, how does it effect battery life in general? Running on Insertcoin 4.4.8 at the moment, and noticed the sensor detects changes way more than the previous versions.
Just a query- an informative answer would be appreciated.
Cheers,
Tony
Click to expand...
Click to collapse
I've read numerous posts that auto-brightness kills more batt, more or less for the reasons you stated. I therefore stopped use auto, rather set it at a certain level and batt improved..
Sent by my feau gee

I also stopped using auto but only as a ROM I'd been using started to "flicker" the screen. I eventually sussed this was due to the phone getting the light levels wrong, since then I've always gone for a manual setting.
EDIT: Oops Off Topic a little, I guess auto could help with battery life as the main drain on the phone is the screen. However, since trying ICS the battery is less of an issue than it was.

Ive always used auto brightness and never had issues. Only time i dim it is at night when driving.
Sent From My steak using A1 steak sauce app (Sensation)

piimp said:
I've read numerous posts that auto-brightness kills more batt, more or less for the reasons you stated. I therefore stopped use auto, rather set it at a certain level and batt improved..
Sent by my feau gee
Click to expand...
Click to collapse
That's what I thought.
gol_n_dal said:
EDIT: Oops Off Topic a little, I guess auto could help with battery life as the main drain on the phone is the screen. However, since trying ICS the battery is less of an issue than it was.
Click to expand...
Click to collapse
True that the main drain is the screen. But with the 'Auto' constantly using the light sensors, I doubt it'd be better for the battery than a constant value. Definitely not the highest brightness setting though. But come to think about it, even the highest setting may use up lesser power than on Auto.

Im sorry to hi-jack this thread but does anyone know where to find the auto-brightness values so i can modify the values to make the screen a bit dimmer, especially in the dark i find the screen far too bright.
Thanks
EDIT: Looking for the values in ICS Rom. Thanks

There used to be a fix for this in GB-roms, but I'm not sure if it has come to ICS yet..

OleEdvard said:
There used to be a fix for this in GB-roms, but I'm not sure if it has come to ICS yet..
Click to expand...
Click to collapse
I have searched this site but all i can find is how to mod the values in GB-roms. The file (arrays.xml) is located in framework-res/res/values. I have looked around in the framework-res of my ICS rom but that folder does not exist!
Hopefully someone can point me in the right direction.

beady_uk said:
I have searched this site but all i can find is how to mod the values in GB-roms. The file (arrays.xml) is located in framework-res/res/values. I have looked around in the framework-res of my ICS rom but that folder does not exist!
Hopefully someone can point me in the right direction.
Click to expand...
Click to collapse
Get Widgetsoid from the market - set custom brightness levels and swap between them with one click via a custom widget, I set steps for 1%, 20%, 30% and auto.

beady_uk said:
I have searched this site but all i can find is how to mod the values in GB-roms. The file (arrays.xml) is located in framework-res/res/values. I have looked around in the framework-res of my ICS rom but that folder does not exist!
Hopefully someone can point me in the right direction.
Click to expand...
Click to collapse
Try using this app called Valis Auto Brightness.my new fav app

beady_uk said:
I have searched this site but all i can find is how to mod the values in GB-roms. The file (arrays.xml) is located in framework-res/res/values. I have looked around in the framework-res of my ICS rom but that folder does not exist!
Hopefully someone can point me in the right direction.
Click to expand...
Click to collapse
ICS its in com.htc.resources.apk

Tweaks for build.prop?

I'm trying to get tweaks for the build.prop? I can't find any thread for the NS. I mostly want a tweak for touchscreen responsiveness and some battery tweaks if possible.

xda<3 said:
I'm trying to get tweaks for the build.prop? I can't find any thread for the NS. I mostly want a tweak for touchscreen responsiveness and some battery tweaks if possible.
Click to expand...
Click to collapse
youre not going to find any. you can change your screen resolution, or maybe some data speed tweaks..

Yeah or rom toolbox offers some as well
Sent from my Nexus S using XDA App

simms22 said:
youre not going to find any. you can change your screen resolution, or maybe some data speed tweaks..
Click to expand...
Click to collapse
umm well i found some for the motorola atrix that worked like a charm for my nexus s.. My screen is much more responsive

xda<3 said:
umm well i found some for the motorola atrix that worked like a charm for my nexus s.. My screen is much more responsive
Click to expand...
Click to collapse
nice!
by why was your screen not that responsive in the first place?
if you use the ondemand governor, and set the sampling rate to 15000 and up threshold to 98, ui gets a speed boost.

simms22 said:
nice!
by why was your screen not that responsive in the first place?
if you use the ondemand governor, and set the sampling rate to 15000 and up threshold to 98, ui gets a speed boost.
Click to expand...
Click to collapse
Sometimes I would have to tap twice on an icon to get it open.. Could be that I was taping too quick before the page could load? idk. But it seems better now. It wasn't thaaaat bad though.

data speed tweaks have got me nothing . maybe worse sometimes

[Q] Slow Speeds

I have an Inspire and I'm getting slow speeds. I'm on unlimited HSPA+ plan and have the correct sim.
What can I do to get better HSPA+ speeds? Currently I'm getting around 2 down.
Thanks!

Maybe that is as high as you can go in your area.

Agoattamer said:
Maybe that is as high as you can go in your area.
Click to expand...
Click to collapse
My iPhone 4S gets better speeds though. I thought there was a way to root it to make it faster such as fgd radio?

It's not the rado. It's the build.prop that enables the faster speeds. And I would have thought with the gingerbread addition it would have been enabled by default.
But sure you can root it and install a custom ROM made for better speed (all of them) or adjust the build.prop yourself. To root use Advanced Ace Hack Kit. It is stickied so it shouldn't be hard to find.

Agoattamer said:
It's not the rado. It's the build.prop that enables the faster speeds. And I would have thought with the gingerbread addition it would have been enabled by default.
But sure you can root it and install a custom ROM made for better speed (all of them) or adjust the build.prop yourself. To root use Advanced Ace Hack Kit. It is stickied so it shouldn't be hard to find.
Click to expand...
Click to collapse
Thanks how to I adjust the build.prop? I tried to search online but can't find any step by step info.

There is a recent thread in the development section.

mpossoff said:
Thanks how to I adjust the build.prop? I tried to search online but can't find any step by step info.
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=982082

I'm curious about the download speeds as well. Whichever rom I've used the max download speed I've been able to achieve has been 2up, 1down. I've even edited the build prop and played around with it for a day, didn't see any significant changes.
Rebooted the phone twice after making the changes, etc..... question is, did i need to leave the changes for a day or two or even more to see if it actually helped?
On the other hand I have a couple of friends that work installing the towers (or whatever you call those things that gives us data) - in a nutshell, they say that the download speeds is hardware related and not software (they know nothing of rooting phones).... that kinda confused me more than my usually state of mind.
Sent from a dream.

Its true to an extent. For example our phones is capable of 14.4 mbps. And say the tower is a 48mbps. Our phones is limited to what its hardware capable but you can do software tweaks to optimize it to reach its Max. This is where builprop edits and apn settings can make a difference
Sent from my Inspire 4G using XDA