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Apprentice
Joined: 17 Feb 2007
Posts: 279
Location: Gazzaniga (BG) Italy
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 Posted: Wed Nov 14, 2007 9:47 am Post subject: Configurazione kernel x cpu-scaling su core duo yonah |
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Ciao, sto provando ad attivare lo scaling della CPU sul mio portatile, perché ho notato che da qualche giorno inspiegabilmente la ventola gira a manetta anche a freddo  . Non capisco questa cosa, quindi, vorrei indagare. In questo momento sto configurando il kernel e mi sono sorti dubbi riguardo al driver corretto per la mia CPU.
Queste sono le opzioni:
| Code: |
<*> 'performance' governor
³ ³ <*> 'powersave' governor
³ ³ --- 'userspace' governor for userspace frequency scaling
³ ³ <*> 'ondemand' cpufreq policy governor
³ ³ <*> 'conservative' cpufreq governor
³ ³ --- CPUFreq processor drivers
³ ³ <M> ACPI Processor P-States driver
³ ³ < > AMD Mobile K6-2/K6-3 PowerNow!
³ ³ < > AMD Mobile Athlon/Duron PowerNow!
³ ³ < > AMD Opteron/Athlon64 PowerNow!
³ ³ < > Cyrix MediaGX/NatSemi Geode Suspend Modulation
³ ³ < > Intel Enhanced SpeedStep
³ ³ < > Intel Speedstep on ICH-M chipsets (ioport interface)
³ ³ < > Intel SpeedStep on 440BX/ZX/MX chipsets (SMI interface)
³ ³ < > Intel Pentium 4 clock modulation
³ ³ < > nVidia nForce2 FSB changing
³ ³ < > Transmeta LongRun
³ ³ < > VIA Cyrix III Longhaul
³ ³ < > VIA C7 Enhanced PowerSaver (EXPERIMENTAL)
³ ³ --- shared options
³ ³ [ ] /proc/acpi/processor/../performance interface (deprecated) |
Non so cosa abilitare, sembrerebbe che lo speedstep sia deprecato 
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MeMyselfAndI
l33t
Joined: 15 Nov 2005
Posts: 784
Location: Between the monitor and the chair
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| Posted: Wed Nov 14, 2007 1:30 pm Post subject: |
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| cosi;' dovrebbe andare benissimo, al massimo prova a modificare da modulo a built-in il driver |
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riverdragon
Veteran
Joined: 14 Sep 2006
Posts: 1269
Location: Verona
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| Posted: Wed Nov 14, 2007 4:45 pm Post subject: |
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Questa è la configurazione del mio kernel (su un pentium-m yonah)
| Code: | #
# CPU Frequency scaling
#
CONFIG_CPU_FREQ=y
CONFIG_CPU_FREQ_TABLE=y
# CONFIG_CPU_FREQ_DEBUG is not set
CONFIG_CPU_FREQ_STAT=y
CONFIG_CPU_FREQ_STAT_DETAILS=y
CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set
CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
CONFIG_CPU_FREQ_GOV_POWERSAVE=y
# CONFIG_CPU_FREQ_GOV_USERSPACE is not set
CONFIG_CPU_FREQ_GOV_ONDEMAND=y
CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y
#
# CPUFreq processor drivers
#
CONFIG_X86_ACPI_CPUFREQ=y
# CONFIG_X86_POWERNOW_K6 is not set
# CONFIG_X86_POWERNOW_K7 is not set
# CONFIG_X86_POWERNOW_K8 is not set
# CONFIG_X86_GX_SUSPMOD is not set
CONFIG_X86_SPEEDSTEP_CENTRINO=y
CONFIG_X86_SPEEDSTEP_CENTRINO_TABLE=y
CONFIG_X86_SPEEDSTEP_ICH=y
# CONFIG_X86_SPEEDSTEP_SMI is not set
# CONFIG_X86_P4_CLOCKMOD is not set
# CONFIG_X86_CPUFREQ_NFORCE2 is not set
# CONFIG_X86_LONGRUN is not set
# CONFIG_X86_LONGHAUL is not set
# CONFIG_X86_E_POWERSAVER is not set |
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skypjack
l33t
Joined: 05 Aug 2006
Posts: 884
Location: Italia - Firenze
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| Posted: Wed Nov 14, 2007 5:28 pm Post subject: |
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Aggiungendo:
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echo -n ondemand >> /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
echo -n ondemand >> /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor
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In:
| Code: |
/etc/conf.d/local.start
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Cambia niente? |
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