[Novalug] VirtualBox running Windows 7 on Arch lowering battery life
brandon20va at yahoo.com
Wed Apr 21 20:14:01 EDT 2010
--- On Wed, 4/21/10, Bryan J. Smith <b.j.smith at ieee.org> wrote:
> From: Bryan J. Smith <b.j.smith at ieee.org>
> There are two (2) causes ...
> 1. If you have the dual-core ULV Pentium 1810T,
> you're making heavy
> use of that 2nd core now. That could easily eat up
> another 5-10Whr.
Yes, I got the dual-core 1810T specifically for the purpose of being able to more effectively use VirtualBox. This chip has VT enabled. Therefore, you've definitely nailed one of the causes. It makes sense. Thanks.
> 2. If you have less than 4GiB of RAM, or are using
> more than your
> available RAM...
I have 4GiB and never have used it all, so I don't think this is it.
> In either case, sar can capture and report
> differences. Taking a
> baseline of the system running with and without will tell a
> huge tale.
I am looking at the sar option now. I think this will tell a tale as you've stated. Thanks again.
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