Messages in this thread | | | Date | Mon, 26 Dec 2005 13:56:46 -0500 | From | Theodore Ts'o <> | Subject | Re: [PATCH] i386 No Idle HZ aka dynticks 051221 |
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On Sun, Dec 25, 2005 at 09:55:26PM -0500, Theodore Ts'o wrote: > With dyntick enabled, the laptop never enters the C4 state, but > instead bounces back and forth between C2 and C3 (and I notice that we > never enter C1 state, even when the CPU is completely pegged, but > that's true with or without dyntick). > > If dyntick is enabled, the laptop enters C4 state, which presumably is ^^^^^^^ this should be "disabled" > a deeper, more power saving state, and it appears power saving effects > of dyntick is getting balanced off against the fact that C4 is never > getting entered when it is enabled.
My apologies for any confusion, and for not doing better copy-editing before hitting the send butter.
-Ted
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