[ossig] [myoss] Kernel-2.6.21 + vmware 5 + tickless kernel - HANG?

[Khairil Yusof]

On Fri, 2007-08-03 at 15:04 +0800, Ow Mun Heng wrote:
> Just tried out Linuxpowertop from Intel to see what's eating my
> batteries. Based on it's suggestions, I then re-compiled the kernel to
> include NO_HZ, HIGH_RES_TIMER and TIMER_STATS.

What's the Linux equivalent of:

http://www.freebsd.org/cgi/man.cgi?query=powerd&sektion=8&manpath=FreeBSD+6.0-RELEASE

and

hw.acpi.cpu.cx_lowest (set to C3), depending on level, certain things
like usb may not allow you get to C3 and mostly be in C2, at what level
is your laptop running at mostly? If it's at C1, it's going to be
draining batteries fast.

Then there is also auto brightness when switching from AC

dev.acpi_ibm.0.lcd_brightness

As reference on a new 8 cell Thinkpad X40/41 batt you can easily get up
to 8hrs of normal continous usage.