Paul Johnson wrote:
On 4/29/08, Srikanth Konjarla <srikanth.konjarla@xxxxxxxxx> wrote:
All,
I run Fedora 8 on Tecra M5.
http://www.smolts.org/show?uuid=pub_f72f9650-72f0-4d83-9c51-0cb13856226b
It appears that the CPU throttling is not available.
On my Dell laptop, a cpuspeed package is running. look in
system-config-services, see if you have it on.
I'm using a Nokia tablet now, don't have laptop here.
Other thought I have is that cpuspeed, rather than throttling, is the
only thing i use anymore. AFAICR, throttling would leave unused
cycles, which is almost same as making the cpu slower.
I have enabled and running the cpuspeed daemon now. However, how do I
monitor if "cpuspeed" is actually working?
Srikanth
While, the suspend
resume and function keys work (brightness, sound etc) wondering why the
CPU throttling does not work and i also suspect that causes the FAN to
run all the time. Is there a workaround or patch?
Thanks
# acpitool -c
CPU type : Intel(R) Core(TM)2 CPU T7200 @ 2.00GHz
Min/Max frequency : 1000/2000 MHz
Current frequency : 1000 MHz
Frequency governor : ondemand
Freq. scaling driver : acpi-cpufreq
Cache size : 4096 KB
Bogomips : 3993.65
Bogomips : 3990.77
# of CPU's found : 2
Processor ID : 0
Bus mastering control : yes
Power management : yes
Throttling control : no
Limit interface : no
Active C-state : C0
C-states (incl. C0) : 4
Usage of state C1 : 813 (0.1 %)
Usage of state C2 : 60224 (11.0 %)
Usage of state C3 : 485253 (88.8 %)
Processor ID : 1
Bus mastering control : yes
Power management : yes
Throttling control : no
Limit interface : no
Active C-state : C0
C-states (incl. C0) : 4
Usage of state C1 : 1247 (0.1 %)
Usage of state C2 : 163294 (14.3 %)
Usage of state C3 : 490818 (43.0 %)
# cat /proc/acpi/processor/CPU0/throttling
<not supported>
# cat /proc/acpi/processor/CPU1/throttling
<not supported>
# modinfo toshiba_acpi
filename:
/lib/modules/2.6.24.4-64.fc8/kernel/drivers/acpi/toshiba_acpi.ko
license: GPL
description: Toshiba Laptop ACPI Extras Driver
author: John Belmonte
depends:
vermagic: 2.6.24.4-64.fc8 SMP mod_unload 686 4KSTACKS
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