Mas Bro, kernel ini apakah wifinya jalan? sebab baru sadar bahwa beberapa hari ini wifi gak jalan setelah install kernel sebelumnya.
salam, Hermanto On Tue, Jun 12, 2012 at 6:26 AM, Reski@Droid <[email protected]>wrote: > Galaxy Note SpeedMod-Funky81 versi 3 : > > Download Links : > https://rapidshare.com/files/2106095032/kernel-funky81Mod-v3.6.tar > > Change Logs > - Compile using DoomLord Linaro 4.6 compiler > - Kernel upgrade to 3.0.29 > - Enable Interactive & Conservative CPU Governor > - Enable BFQ & SIO i/o Governor > > How to use : (by default cpu governor : ondemand and i/o governor : cfq) > Change it using setcpu or cpu master (free)...jangan lupa aktifkan opsi > set on boot > > Little brief : http://forum.xda-developers.com/showthread.php?t=1369817 > * > * > *Conservative:* > A slower Ondemand which scales up slowly to save battery. The conservative > governor is based on the ondemand governor. It functions like the Ondemand > governor by dynamically adjusting frequencies based on processor > utilization. However, the conservative governor increases and decreases CPU > speed more gradually. Simply put, this governor increases the frequency > step by step on CPU load and jumps to lowest frequency on CPU idle. > Conservative governor aims to dynamically adjust the CPU frequency to > current utilization, without jumping to max frequency. The > sampling_down_factor value acts as a negative multiplier of sampling_rate > to reduce the frequency that the scheduler samples the CPU utilization. For > example, if sampling_rate equal to 20,000 and sampling_down_factor is 2, > the governor samples the CPU utilization every 40,000 microseconds. > > *Interactive:* > Can be considered a faster ondemand. So more snappier, less battery. > Interactive is designed for latency-sensitive, interactive workloads. > Instead of sampling at every interval like ondemand, it determines how to > scale up when CPU comes out of idle. The governor has the following > advantages: 1) More consistent ramping, because existing governors do their > CPU load sampling in a workqueue context, but interactive governor does > this in a timer context, which gives more consistent CPU load sampling. 2) > Higher priority for CPU frequency increase, thus giving the remaining tasks > the CPU performance benefit, unlike existing governors which schedule > ramp-up work to occur after your performance starved tasks have completed. > Interactive It's an intelligent Ondemand because of stability > optimizations. Why?? > Sampling the CPU load every X ms (like Ondemand) can lead to > under-powering the CPU for X ms, leading to dropped frames, stuttering UI, > etc. Instead of sampling the CPU at a specified rate, the interactive > governor will check whether to scale the CPU frequency up soon after coming > out of idle. When the CPU comes out of idle, a timer is configured to fire > within 1-2 ticks. If the CPU is very busy between exiting idle and when the > timer fires, then we assume the CPU is underpowered and ramp to max > frequency. > > Little brief i/o scheduler : > http://forum.xda-developers.com/showpost.php?p=22134559&postcount=4 > > *3) CFQ* > > Completely Fair Queuing scheduler maintains a scalable per-process I/O > queue and attempts to distribute the available I/O bandwidth equally among > all I/O requests. Each per-process queue contains synchronous requests from > processes. Time slice allocated for each queue depends on the priority of > the 'parent' process. V2 of CFQ has some fixes which solves process' i/o > starvation and some small backward seeks in the hope of improving > responsiveness. > > *Advantages:* > > - Considered to deliver a balanced i/o performance. > - Easiest to tune. > - Excels on multiprocessor systems. > - Best database system performance after deadline. > > *Disadvantages:* > > - Some users report media scanning takes longest to complete using > CFQ. This could be because of the property that since the bandwidth is > equally distributed to all i/o operations during boot-up, media scanning is > not given any special priority. > - Jitter (worst-case-delay) exhibited can sometimes be high, because > of the number of tasks competing for the disk. > > > *4) BFQ* > > Instead of time slices allocation by CFQ, BFQ assigns budgets. Disk is > granted to an active process until it's budget (number of sectors) expires. > BFQ assigns high budgets to non-read tasks. Budget assigned to a process > varies over time as a function of it's behavior. > > *Advantages:* > > - Believed to be very good for usb data transfer rate. > - Believed to be the best scheduler for HD video recording and video > streaming. (because of less jitter as compared to CFQ and others) > - Considered an accurate i/o scheduler. > - Achieves about 30% more throughput than CFQ on most workloads. > > *Disadvantages:* > > - Not the best scheduler for benchmarking. > - Higher budget assigned to a process can affect interactivity and > increased latency. > > > *5) SIO* > > Simple I/O scheduler aims to keep minimum overhead to achieve low latency > to serve I/O requests. No priority quesues concepts, but only basic > merging. Sio is a mix between noop & deadline. No reordering or sorting of > requests. > > *Advantages:* > > - Simple, so reliable. > - Minimized starvation of requests. > > *Disadvantages:* > > - Slow random-read speeds on flash drives, compared to other > schedulers. > - Sequential-read speeds on flash drives also not so good. > > > * "Best I/O Scheduler?"* > *A.*There is nothing called "best" i/o scheduler. Depending on your usage > environment and tasks/apps been run, use different schedulers. That's the > best i can suggest. > However, considering the overall performance, battery, reliability and low > latency, it is believed that > SIO > Noop > Deadline > VR > BFQ > CFQ, given all schedulers are *tweaked* and > the storage used is a *flash device*. > > -- > "Indonesian Android Community" Join: http://forum.android.or.id > > =============== > Download Aplikasi Kompas versi Digital dan Keren > https://play.google.com/store/apps/details?id=com.kompas.android.kec > -------------------------- > Download Aplikasi AR "MONSTAR" dari Indosat > https://play.google.com/store/apps/details?id=com.ar.monstarunity > --------------------- > Lex-ON http://www.Lex-ON.com - Plaza Semanggi > E-mail: [email protected] Tlp: 021-70952539 > --------------------- > GSM-AKU http://www.gsmaku.com - BEC Bandung > E-mail: [email protected] Hp: 0881-1515151 > --------------------- > EceranShop http://eceranshop.com - BEC Bandung > E-mail: [email protected] Hp: 0815-56599888 > =============== > > Aturan Umum dan Jualan/Kloteran ID-Android http://goo.gl/arJ5x > -- "Indonesian Android Community" Join: http://forum.android.or.id =============== Download Aplikasi Kompas versi Digital dan Keren https://play.google.com/store/apps/details?id=com.kompas.android.kec -------------------------- Download Aplikasi AR "MONSTAR" dari Indosat https://play.google.com/store/apps/details?id=com.ar.monstarunity --------------------- Lex-ON http://www.Lex-ON.com - Plaza Semanggi E-mail: [email protected] Tlp: 021-70952539 --------------------- GSM-AKU http://www.gsmaku.com - BEC Bandung E-mail: [email protected] Hp: 0881-1515151 --------------------- EceranShop http://eceranshop.com - BEC Bandung E-mail: [email protected] Hp: 0815-56599888 =============== Aturan Umum dan Jualan/Kloteran ID-Android http://goo.gl/arJ5x
