PowerTOP tool released; time to fix the wasted laptop power on fedora?
Arjan van de Ven
arjan at fenrus.demon.nl
Sun May 13 17:06:05 UTC 2007
On Sun, 2007-05-13 at 23:52 +1000, David Timms wrote:
> Arjan van de Ven wrote:
> > Hi,
> > some of you already know that I've been working on getting Linux (and
> > Fedora) to be a lot better about power usage on laptops by avoiding
> > spurious wakeups and context switches and such (look at the "wakeup" bug
> > in fedora bugzilla ;).
> Would this tool help one in tracing the cause of disk accesses in an
> otherwise inactive/idle notebook. It seems to be about every 3 seconds
> or so that the hard disk LED lights. This must make it impossible for
> the hard drive to get powered down - and save power.
I've gotten this request a few times now; I'll be looking into this for
version 2.0; I'd think it would be possible with blktrace but I need to
look into the details (don't want this tracing to spoil any other
More information about the fedora-devel-list