uspavani desktopu (was Re: ot: provoz serveru - cena za elektrinu)

[Jarda Mikulík]

Petr Stehlik napsal:
> On Út, 2003-06-17 at 14:10, Milan Kerslager wrote:
>>Linux v iddle case pouziva instrukci hlt, takze setrit by to melo.

> je fakt, ze teplota procesoru XP 1G8 sleze i o 14 stupnu, kdyz nic
> nedela, ale porad je tam 50 stupnu C, takze ten HLT porad jeste cosi
> bere.

>>byste mohl zkusit snizit frekvenci CPU (speedstep)

> to u Thoroughbredu jde?

1. $ cat /proc/cpuinfo
processor       : 0
vendor_id       : AuthenticAMD
cpu family      : 6
model           : 8
model name      : AMD Athlon(tm) XP 1800+
stepping        : 0
cpu MHz         : 1556.435
cache size      : 256 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 mmx fxsr sse syscall mmxext 3dnowext 3dnow
bogomips        : 3106.40

2. $ cat /proc/acpi/processor/CPU1/throttling
state count:             16
active state:            T0
states:
    *T0:                  00%
     T1:                  06%
     T2:                  12%
     T3:                  18%
     T4:                  24%
     T5:                  31%
     T6:                  37%
     T7:                  43%
     T8:                  49%
     T9:                  55%
     T10:                  62%
     T11:                  68%
     T12:                  74%
     T13:                  80%
     T14:                  86%
     T15:                  93%

3. $ bogomips
Calibrating delay loop.. ok - 1450.00 BogoMips

4. $ su -c 'echo "15" > /proc/acpi/processor/CPU1/throttling'

5. $ cat /proc/acpi/processor/CPU1/throttling
state count:             16
active state:            T15
states:
     T0:                  00%
     T1:                  06%
     T2:                  12%
     T3:                  18%
     T4:                  24%
     T5:                  31%
     T6:                  37%
     T7:                  43%
     T8:                  49%
     T9:                  55%
     T10:                  62%
     T11:                  68%
     T12:                  74%
     T13:                  80%
     T14:                  86%
    *T15:                  93%

6. $ bogomips
Calibrating delay loop.. ok - 70.00 BogoMips


Závěr: U AMD to zřejmě jde... :)

Ještě kdyby tak byl nějaký daemon, který by procesor uspával automaticky...

	Jarda

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