Karl Dalen wrote: >> Karl Dalen wrote: >> >>> Anup, >>> >>> > > >> It is not that your laptop does not support CPU power >> management. I'm >> sure, given what you've said, that it does. However, >> there is no support >> in Solaris for CPU power management of your laptop. >> The Solaris CPU >> driver that provides CPU power management support, >> fails to support >> your processor family/model. >> > > Thanks for you replies. > So is there any plan of expanding the support for power management > of theses families of processors in open solaris? This is an Intel Celeron > processor. >
There is no plan to support these processors in Solaris as these processors are not P-state TSC invariant. Processors of this sort are very hard for us to support as Solaris uses the TSC for microstate accounting as well as other kernel functions. Mark > I just booted up a Linux (Mandriva 2008) on the same laptop and indeed > it shows the range between 112MHz and 900MHz supported in speedstep and > in kpowersave while running a test case I could see how it dynamically > switches frequency based on load. > > I suppose just the capability of manually setting it in ether 112 MHz (Low > power) > or 900 MHz (performance) would be enough for most cases. > > Regards, > > /KarlD > -- > This message posted from opensolaris.org > _______________________________________________ > pm-discuss mailing list > pm-discuss at opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/pm-discuss >
