Hi Bill, Bill Holler <> wrote:
> On 06/29/09 11:13, John Wythe wrote: >> Hi Bill, >> >> Is this a limitation of the processor power management in the kernel? >> The processor itself supports up to C4E according to Intel: >> http://processorfinder.intel.com/details.aspx?sSpec=SLAY7 > > This is a limitation of the Time Stamp Counter in the CPU and > Solaris's reliance on a very low latency, high precision timer. > >> >> I can't say I know what the TSC is, but are there any plans to widen >> support for these deep C-states? > > There are plans. > http://bugs.opensolaris.org/bugdatabase/view_bug.do?bug_id=6700898 > > Thank you, > Bill > Eric mentioned we have a FAQ: http://www.opensolaris.org/os/community/pm/FAQ/ It would be better to put this kind of info into it, :) Thanks, -Aubrey
