John, I need more data on your system, I'll send what I need offline. Thanks, -Aubrey
John Martin wrote: > > On 04/ 6/11 02:36 AM, Li, Aubrey wrote: > > poll mode is more lazy to speed down, is this an idle system?(what's > platform?) > > Idle desktop - metacity, thunderbird, gnome-terminal > > i7 980X + eVGA X58 3X SLI motherboard (latest BIOS) > > > if so, you should wait until the frequency speed down to the lowest one and > > read the power usage again. > > If I wait long enough it settles to around 5W above event-mode, > but the power meter jumps around quite a bit. > > > It looks like xcall/pstate transition is gone. I suspect latest scheduler > > change > makes > > the system more aggressive to race to idle. > > > > I attached a dtrace script to capture the idle/non-idle transition number. > > This > is not > > p/c-state related, and not powertop related. I saw a big regression against > previous > > build. Please have a try on your system and let me know the result. > > When in poll-mode: > > # ./idle-state.d > dtrace: script './idle-state.d' matched 5 probes > dtrace: 221 dynamic variable drops with non-empty dirty list > CPU ID FUNCTION:NAME > 7 75543 :tick-5sec > 2425903 > > 7 75543 :tick-5sec > 2566395 > > 7 75543 :tick-5sec > 2556586 > > dtrace: 339 dynamic variable drops with non-empty dirty list > 7 75543 :tick-5sec > 2350252 > > dtrace: 9 dynamic variable drops with non-empty rinsing list > dtrace: 192 dynamic variable drops with non-empty dirty list > 7 75543 :tick-5sec > 2354720 > > dtrace: 52 dynamic variable drops with non-empty dirty list > 7 75543 :tick-5sec > 2565431 > > dtrace: 182 dynamic variable drops with non-empty dirty list > 7 75543 :tick-5sec > 2706685 _______________________________________________ pm-discuss mailing list [email protected] http://mail.opensolaris.org/mailman/listinfo/pm-discuss
