Abilitando Cool`n`Quiet, no AMD64.

2 de janeiro de 2005

Primeiro Segue as opções para compilar o Kernel.

[*] Power Management support

CPU Frequency scaling --->

[*] CPU Frequency scaling

< > /proc/cpufreq interface (deprecated)

Default CPUFreq governor (performance) --->

--- 'performance' governor

<*> 'powersave' governor

<*> 'userspace' governor for userspace frequency scaling

[ ] /proc/sys/cpu/ interface (2.4. / OLD)

<*> CPU frequency table helpers

--- CPUFreq processor drivers

<*> AMD Opteron/Athlon64 PowerNow!

[*] Power Management support

ACPI ( Advanced Configuration and Power Interface )

[*] ACPI Supoort

[*] Sleep States

<M> AC Adapter

< >Battery

<M> Button

<M> Video

<M> Fan

<M> Processador

<M> Thermal Zone

Obs: Bateria sobre precisa pra notebook. Existem outras opções, mais são para notebook.

Essas opções que estão com modulo são opcionais, pois o sistema não ira utilizalas, precisa de um programa para fazer o gerenciamento, esse programa existe mais o autor o abandonou e deixou ele pra quem quiser continuar manter. http://sourceforge.net/projects/gtkshutdown/ .

Agora instale esse programa CPUDYN

http://mnm.uib.es/gallir/cpudyn/

Vamos configurar o CPUDYN

nano /etc/init.d/cpudyn

# Cpudyn configure options

################################################

# COMMON OPTIONS

################################################

#

# Internal between idle ratio tests in 1/10 sec increments

#

INTERVAL=1

################################################

# CPUFREQ OPTIONS

################################################

#

# CPU idle work ratio to speed up

#

CPU_UP=0.5

#

# CPU idle work ratio to speed down

#

CPU_DOWN=0.9

#

# when using cputhrottling, what state to switch when speeding down

#

THROTTLING_LOW=7

#

# Count also niced process in CPU usage. Default is no.

#

#NICE=yes

################################################

# DISK OPTIONS

# (disabled by default)

################################################

#

# Timeout to put the disk in standby mode if there was no

# io during that period (in seconds)

#

TIMEOUT=600

#

# Specified disks to spindown (comma separated devices)

#

DISKS=/dev/hda,/dev/hdb,/dev/hdc

################################################

# Special Startup Options

# (you shouldn't need to change these)

################################################

# cpufreq sources for 2.4 kernels

CPUFREQ_24="/proc/cpufreq"

# cpufreq sources for 2.5/2.6 kernels

CPUFREQ_25="/sys/devices/system/cpu/cpu0/cpufreq /sysfs/devices/system/cpu/cpu0/cpufreq"

# pure acpi cpufreq

CPUFREQ_ACPI="/proc/acpi/processor/CPU0/throttling"

/etc/init.d/cpudyn start

Pronto sua CPU já funciona com Cool'n'Quiet.

Segue exemplos da minha CPU.

bash-2.05b# dmesg | grep powernow

powernow-k8: Found 1 AMD Athlon 64 / Opteron processors (version 1.00.09e)

powernow-k8: 0 : fid 0x2 (1000 MHz), vid 0x12 (1100 mV)

powernow-k8: 1 : fid 0xa (1800 MHz), vid 0xa (1300 mV)

powernow-k8: 2 : fid 0xc (2000 MHz), vid 0x6 (1400 mV)

powernow-k8: 3 : fid 0xe (2200 MHz), vid 0x2 (1500 mV)

powernow-k8: ph2 null fid transition 0xe

Em Repouso:

bash-2.05b# cat /proc/cpuinfo

processor : 0

vendor_id : AuthenticAMD

cpu family : 15

model : 15

model name : AMD Athlon 64 Processor 3500+

stepping : 0

cpu MHz : 1001.581

cache size : 512 KB

fdiv_bug : no

hlt_bug : no

f00f_bug : no

coma_bug : no

fpu : yes

fpu_exception : yes

cpuid level : 1

wp : yes

flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 pni syscall nx mmxext lm 3dnowext 3dnow

bogomips : 1966.08

Em uso pesado:

bash-2.05b# cat /proc/cpuinfo

processor : 0

vendor_id : AuthenticAMD

cpu family : 15

model : 15

model name : AMD Athlon 64 Processor 3500+

stepping : 0

cpu MHz : 2203.479

cache size : 512 KB

fdiv_bug : no

hlt_bug : no

f00f_bug : no

coma_bug : no

fpu : yes

fpu_exception : yes

cpuid level : 1

wp : yes

flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 pni syscall nx mmxext lm 3dnowext 3dnow

bogomips : 4325.37

OBs Importante:

Para funcionar, tanto faz se seu sistema é 32bits ou 64bits.

Segue dois exemplos.

Maquina em repouso.

sensors

w83627thf-isa-0290

Adapter: ISA adapter

VCore: +1.17 V (min = +0.70 V, max = +1.87 V)

+12V: +11.73 V (min = +0.06 V, max = +0.97 V)

+3.3V: +3.42 V (min = +0.51 V, max = +1.02 V)

+5V: +5.15 V (min = +3.52 V, max = +0.96 V)

-12V: -14.91 V (min = -14.91 V, max = -14.91 V)

V5SB: +5.13 V (min = +0.03 V, max = +0.00 V)

VBat: +0.00 V (min = +0.00 V, max = +2.75 V)

fan1: 4192 RPM (min = 84375 RPM, div = 2)

CPU Fan: 3292 RPM (min = -1 RPM, div = 2)

fan3: 3857 RPM (min = -1 RPM, div = 2)

M/B Temp: +27 C (high = -92 C, hyst = +1 C) sensor = thermistor

CPU Temp: +34.5 C (high = +80 C, hyst = +75 C) sensor = thermistor

temp3: +13.0 C (high = +80 C, hyst = +75 C) sensor = thermistor

Mesma maquina em uso total.

sensors

w83627thf-isa-0290

Adapter: ISA adapter

VCore: +1.57 V (min = +0.70 V, max = +1.87 V)

+12V: +11.61 V (min = +0.06 V, max = +0.97 V)

+3.3V: +3.42 V (min = +0.51 V, max = +1.02 V)

+5V: +5.15 V (min = +3.52 V, max = +0.96 V)

-12V: -14.91 V (min = -14.91 V, max = -14.91 V)

V5SB: +5.13 V (min = +0.03 V, max = +0.00 V)

VBat: +0.00 V (min = +0.00 V, max = +2.75 V)

fan1: 4192 RPM (min = 84375 RPM, div = 2)

CPU Fan: 3292 RPM (min = -1 RPM, div = 2)

fan3: 4066 RPM (min = -1 RPM, div = 2)

M/B Temp: +27 C (high = -92 C, hyst = +1 C) sensor = thermistor

CPU Temp: +48.5 C (high = +80 C, hyst = +75 C) sensor = thermistor

temp3: +26.0 C (high = +80 C, hyst = +75 C) sensor = thermistor

Mr Burns · 2 de janeiro de 2005

Esse Cool'n'Quiet é aquela proteção da AMD contra programas maliciosos?

2 de janeiro de 2005

Não, esse funciona assim, exemplo: eu deixo minha maquina a noite fazendo download, como isso gasta pouco processamento a CPU funciona com metade do Clock, quando preciso processar algo ela volta pro clock normal automaticamente. Quando fica com pouco processamento ela cai pra metade do Clock, e abaixa as voltagens tb.

Os virus é outra tecnologia, o NX. ou No Execute.

http://en.wikipedia.org/wiki/NX_bit