À propos de lulzactive

Needs a custom kernel that has "lulzactive" cpu governor.

Based on "interactive" governor

Inspired by erasmux's "smartass" governor (included in Flykernel)

cpu work load >= [inc_cpu_load]%

cpu frequency changes from (Lx) to (Lx - pump_up_step)

up sampling time = 24000us (from smartass governor)

eg )

(L0)1200 - (L1)1000 - (L2)800 - (L3)500 - (L4)200

inc_cpu_load=60%, pump_up_step=1

cpu_load = 60%, current frequency = (L2)800 >> frequency = (L1)1000

cpu_load = 60%, current frequency = (L1)1000 >> frequency = (L0)1200

(L0)1200 - (L1)1000 - (L2)800 - (L3)500 - (L4)200

inc_cpu_load=50%, pump_up_step=2

cpu_load = 50%, current frequency = (L2)800 >> frequency = (L0)1200

cpu_load = 50%, current frequency = (L4)200>> frequency = (L2)800

cpu work load < [inc_cpu_load]%

cpu frequency keeps the current value or changes from (Lx) to (Lx + pump_down_step)

down sampling time = 49000us (from smartass governor)

eg )

(L0)1200 - (L1)1000 - (L2)800 - (L3)500 - (L4)200

inc_cpu_load=60%, pump_down_step=1

cpu_load = 59%, current frequency = (L2)800 >> frequency = (L3)500

cpu_load = 23%, current frequency = (L1)1000 >> frequency = (L2)800

screen off

cpu frequency is locked at scaling min freqeuncy.

default min freq of Galaxy S II is 200MHz.

you don't need to use "screen off" profile of SetCPU.

eg )

(L0)1200 - (L1)1000 - (L2)800 - (L3)500 - (L4)200

screen_off_min_step=3

(L4)200 ~ (L3)500

screen_off_min_step=1

(L4)200 ~ (L1)1000

Values

Following values are in /sys/devices/system/cpu/cpufreq/lulzactive/

inc_cpu_load: 0~100%, default is 60%

pump_up_step: 0 ~ (frequency_table_size - 2), default is 1

pump_down_step: 0 ~ (frequency_table_size - 2), default is 1

screen_off_min_step: 0 ~ (frequency_table_size - 1), default is (frequency_table_size - 2)

up_sample_time: 10,000 ~ 50,000μs, default is 24,000μs

down_sample_time: 10,000 ~ 100,000μs, default is 49,000μs

debugging

1 = print screen on/off message

2 = print governor start/stop message

4 = print frequency changing

7 = print all above (bitwise or, 1|2|4 = 7, default 1|2 = 3)

echo "7" > /sys/devices/system/cpu/cpufreq/lulzactive/debug_mode

cat /proc/kmsg | busybox grep "lulzactive"

Feedback

http://tegrak2x.blogspot.com/2011/11/lulzactive-governor-v2.html

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Informations Application supplémentaires

Dernière version

Demande lulzactive mise à jour 1.1

Telechargé par

Pedro Ycaro

Nécessite Android

Android 2.3.4+

Voir plus

Quoi de neuf dans la dernière version 1.1

Last updated on Jul 25, 2015

[ v1.1 ]
*fixed a displaying pump_down_step bug.

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