Cydonia Kernel Build Notes: Difference between revisions

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* powertop recommend I turn on CONFIG_CPU_FREQ_STAT but it is part of CPU scaling and I'm trying CPU idle , mutually exclusive.
* powertop recommend I turn on CONFIG_CPU_FREQ_STAT but it is part of CPU scaling and I'm trying CPU idle , mutually exclusive.
* powertop recommend I turn on CONFIG_CPU_FREQ_GOV_ONDEMAND but it is part of CPU scaling and I'm trying CPU idle , mutually exclusive.
* powertop recommend I turn on CONFIG_CPU_FREQ_GOV_ONDEMAND but it is part of CPU scaling and I'm trying CPU idle , mutually exclusive.
== Data reports ==
* http://software.intel.com/en-us/articles/power-efficiency-analysis-and-sw-development-recommendations-for-intel-atom-based-mid-platforms-2/
* power top graph.
* http://www.lesswatts.org/documentation/PowerMeasurements.pdf


== Todo / Follow-up ==
== Todo / Follow-up ==


* http://blogs.sun.com/rv/entry/powertop_gtk
* http://blogs.sun.com/rv/entry/powertop_gtk - some good links to gtk tutorial there.
* http://superuser.com/questions/14332/powertop-for-windows
* http://superuser.com/questions/14332/powertop-for-windows
* http://www.mvista.com/download/Embedded-Linux-power-management-on-Intel-Atom-processor.pdf
* http://www.mvista.com/download/Embedded-Linux-power-management-on-Intel-Atom-processor.pdf
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* http://techreport.com/articles.x/14458/4
* http://techreport.com/articles.x/14458/4
* cat /proc/acpi/wakeup, SLPB, sleep button , toggle
* cat /proc/acpi/wakeup, SLPB, sleep button , toggle
* Put pci devices to sleep, setpci,lspci?
* go through the cpu flags and ensure I'm using all features best I can.
* http://www.lesswatts.org/documentation/PowerMeasurements.pdf
* build your own netdaq http://us.fluke.com/usen/Products/NetDAQ.htm


[[Category:Computers]]
[[Category:Computers]]

Latest revision as of 20:35, 9 January 2010

Tag drtabb

Version: linux-2.6.32.3

  • using new atom cpu type.
  • concern about:
CONFIG_X86_CPU=y
CONFIG_X86_L1_CACHE_BYTES=64
CONFIG_X86_INTERNODE_CACHE_BYTES=64

lshw reports 32 Kbyte L1 cache.

  • CONFIG_PHYSICAL_ALIGN
previous kernel: CONFIG_PHYSICAL_ALIGN=0x200000
drtabb:          CONFIG_PHYSICAL_ALIGN=0x1000000
  • Switched to GSPCA for usb cam.
  • Turned off AGP
  • Had to hand edit the .confg for get usb printers off , FFS
  • Had to hand edit # CONFIG_VIRTUALIZATION is not set
  • powertop recommend I turn on CONFIG_CPU_FREQ_STAT but it is part of CPU scaling and I'm trying CPU idle , mutually exclusive.
  • powertop recommend I turn on CONFIG_CPU_FREQ_GOV_ONDEMAND but it is part of CPU scaling and I'm trying CPU idle , mutually exclusive.

Data reports

Todo / Follow-up