[Q&A] [Kernel] TRIM: Speed up CyanogenMod on the Galaxy S2 i9100 - Galaxy S II Q&A, Help & Troubleshooting

Q&A for [Kernel] TRIM: Speed up CyanogenMod on the Galaxy S2 i9100
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Hi. I'm using your kernel and it's way better than the others available for my i9100, including dorimanx. There's just one thing that I read in your first post, which is you don't supporting overclock. That's the only lack of this kernel cause my device OC to 1.6Ghz with no problem and have a major boost, without voltage changing. If there could be a possibility to unlock this feature in your kernel would be incredible. The best combination in years for any device I had. AICP (latest version with CM kernel support) and TRIM kernel with OC support. Of course with all the precaution that it's necessary. By the way, mine receive the warning of insane chip, but I'm using it for about 56 hours and no problem at all! It's so fast...if only you could help me to unlock the OC feature in kernel... Would be the Zeus of God's!
Thanks for your excellent work, Lanchon!
Just tell me how could I support all your effort.
Cheers .:good:

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Lol is this kernel battery eater?
I have aftermath brickbug rev0x19 emmc
Before this kernel my screen on time: 3h40m
On this kernel: 2h30m
By the way kernel works well and did its job. I have trimmed all my partitions successfully.
But I have a question. How can I go back to official cm kernel?
Just have to flash cm11-nightly zip without wipe data? Cuz battery is going to be a serious problem
Edit: Just flashed some cm11 kernel. NO wipe!

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kernel for cm11 nightlies 30/10/14
you can create this kernel for cm11 30/10/14 nightly becuase i dont know how to create the self build.
thanks!!
(i9100 VYL00M 2012 0X19 Brick Bug )

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Will this work on stock jb 4.1.2 gt i9100 with siyah kernel?
My phone has brick bug(insane chip) will this hard brick emmc?

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jaswinprakash said:
Will this work on stock jb 4.1.2 gt i9100 with siyah kernel?
My phone has brick bug(insane chip) will this hard brick emmc?
Click to expand...
Click to collapse
what is your phones values on emmc bug check app?

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I tried your kernel on last SlimSaber, but Wifi stopped working. Is it a known issue? (I had to revert to SlimSaber kernel, losing trim capability). Thanks in advance!

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performance feedback
Thanks for all the work.
Using your patches on my i9100.
Been using CyanogenMod for at least 18 months then moved to monthly snapshots from M8 through to M11. Now have the cm11-119 nightly with you patch for trim and changed the sdcard.c binary. Running nicely.
androbench:
cm11-m11 cm11-nightly-119-TRIM
--------------------------------------------------------------------------------
#Micro-bench
Target: /data (ext4)
Use Buffer: No
SEQ RD 39.16 MB/s 47.31 MB/s
SEQ WR 5.31 MB/s 6.88 MB/s
RND RD 1073.45 IOPS(4K) 1148.9 IOPS(4K)
RND WR 75.62 IOPS(4K) 80.8 IOPS(4K)
#SQLite benchmark
Insert 22.17 TPS 22.05 TPS
Update 28.69 TPS 30.08 TPS
Delete 27.5 TPS 28.91 TPS
#Macro benchmark
Target: /data (ext4)
Browser 327.0 msec 361.25 msec
Market 743.0 msec 625.0 msec
Camera 579.0 msec 752.25 msec
Camcorder 1794.0 msec 1512.0 msec
Cheers!

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post
will try and post the feedback

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A big thank you to the OP
@Lanchon thankyouthankyouthankyou.
Just installed, works flawless.
Pictures (for fame) attached
before:
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after:
Update: emmc chip? insane. brickbug expected. i don't care. it was either this or buy a new phone for me.

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arab-pl said:
@Lanchon thankyouthankyouthankyou.
Just installed, works flawless.
Pictures (for fame) attached
before:
View attachment 3024925
after:
View attachment 3024926
Update: emmc chip? insane. brickbug expected. i don't care. it was either this or buy a new phone for me.
Click to expand...
Click to collapse
no, dont worry, nothing bad will happen!

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Hello, im using OMNI rom, would like to try this kernel, read whole dev post, but didn't quite get it, what version of kernel should i flash on OMNI rom.. Btw, this is my score right now, how much of a gain should i expect with your kernel Thanks :laugh:

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kira993 said:
Hello, im using OMNI rom, would like to try this kernel, read whole dev post, but didn't quite get it, what version of kernel should i flash on OMNI rom.. Btw, this is my score right now, how much of a gain should i expect with your kernel Thanks :laugh:
Click to expand...
Click to collapse
kernels are for CM users. if using omni, follow instructions on dev thread post #2.
for gains read "what to expect" on dev thread post #1

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Awesome stuff! I'm new to kernels and custom roms in general and only started looking in to this stuff about a week ago but during that time I've managed to get my phone running quicker than I even remember it running when I bought it as well as vastly improving my battery life with the help of all the guys here! Can't thank you guys enough for the work you do!
Unfortunately I don't have a bench from before I started tweaking stuff but my Androbench and AnTuTu results as they currently stand are below (can't post full links as I don't have 10 posts);
i.imgur.com/CW699J2.png
i.imgur.com/XkRhcGn.png
i.imgur.com/a5Khqng.png
Running CM 10.1.3 on Dorimanx 9.4.3 kernel
Running an Exynos 4210 cpu and VYL00M 0x19 eMMC chip (Insane chip, apparently)
This may not be the place, but I've found 10.1.3 to be the best of all the roms I've tried on my phone (there's been MANY in the past week).
Can anyone recommend any newer roms that I may be able to push my phone further on that are stable on 4210 chips?
Again, thanks for all the hard work!
[EDIT] Added my screenshots as attachments

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Someone can explain what the lines in the benchmark say.
(sequel reading etc.)
Sorry about my English.
Thanks!
Sent from my GT-I9100 using XDA Free mobile app

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I'm using this kernel with cm11 22 nightly and this thing is good! By device is running like a meteor! Thanks @Lanchon!
Sent from my GT-I9100 using XDA Free mobile app

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Rkr87 said:
Awesome stuff! I'm new to kernels and custom roms in general and only started looking in to this stuff about a week ago but during that time I've managed to get my phone running quicker than I even remember it running when I bought it as well as vastly improving my battery life with the help of all the guys here! Can't thank you guys enough for the work you do!
Unfortunately I don't have a bench from before I started tweaking stuff but my Androbench and AnTuTu results as they currently stand are below (can't post full links as I don't have 10 posts);
i.imgur.com/CW699J2.png
i.imgur.com/XkRhcGn.png
i.imgur.com/a5Khqng.png
Running CM 10.1.3 on Dorimanx 9.4.3 kernel
Running an Exynos 4210 cpu and VYL00M 0x19 eMMC chip (Insane chip, apparently)
This may not be the place, but I've found 10.1.3 to be the best of all the roms I've tried on my phone (there's been MANY in the past week).
Can anyone recommend any newer roms that I may be able to push my phone further on that are stable on 4210 chips?
Again, thanks for all the hard work!
[EDIT] Added my screenshots as attachments
Click to expand...
Click to collapse
well it's great you r having some fun!
unfortunately there seems to be no stable roms for your devices newer than gingerbread. not even samsung's ICS or jellybean. google music bug omni i9100 for a long read.
but cm 10.1.3 seems to work well. also, most people find that CM11 works well with my music bug fix. but reality is that the kernel or the 4210 chips are borked.

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Can I tweak ma device any more to get a better score rating than da one in the attached image?

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eMMC chip VYL00M 0x19
Hello, I used eMMC check and I have insane chip, whose details are in the title. It's safe to do TRIM? My phone is too slow
Another question: is it possible to TRIM whit stock/stock-based roms? How? Is it safe to do?

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ilmoro93 said:
Hello, I used eMMC check and I have insane chip, whose details are in the title. It's safe to do TRIM? My phone is too slow
Another question: is it possible to TRIM whit stock/stock-based roms? How? Is it safe to do?
Click to expand...
Click to collapse
yes its safe.
stock: see post #2 of main thread
these things are all answered, read!!!