Li, Aubrey wrote: > Eric Saxe <> wrote: > > >> Just installed OpenSolaris 2009.06 on an Ultra 27 (in under 10 mins by >> the way). >> > > BFU can be built from this release by the way, seems no any problem to me > for the development, :) > > >> OpenSolaris PowerTOP version 1.1 >> >> Cn Avg residency P-states (frequencies) >> C0 (cpu running) (7.8%) 1600 Mhz 0.0% >> C1 1.0ms (1.2%) 1733 Mhz 0.0% >> C2 0.8ms (25.0%) 1867 Mhz 0.0% >> C3 0.7ms (66.1%) 2000 Mhz 0.0% >> 2133 Mhz 0.0% >> 2267 Mhz 0.0% >> 2400 Mhz 0.0% >> 2533 Mhz 0.0% >> 2667 Mhz 0.0% >> 2800 Mhz 0.0% >> 2933 Mhz 0.0% >> 3067 Mhz 0.0% >> 3200 Mhz 0.0% >> 3201 Mhz(turbo) 100.0% >> >> Greatest number of P-states I've seen on a system so far... >> >> -Eric >> > > Wow, this is also the greatest number of P-states I have seen, maybe we need > to > verify if the big number really helps to save the power. > Probably not...I'm guessing. :) That's quite a fine granularity though in terms of choosing an operating frequency. Event mode at least is only making use of the extremes at this point, but it's interesting to consider how many mid-range frequencies might be available when we start making use of them.
-Eric > Thanks, > -Aubrey >
