DragonFly kernel List (threaded) for 2009-05
DragonFly BSD
DragonFly kernel List (threaded) for 2009-05
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Re: DragonFly-2.3.0.864.gc5b83 master sys/platform/pc32/apic mpapic.c sys/platform/pc32/isa clock.c sys/platform/pc64/isa clock.c sys/platform/vkernel/platform systimer.c sys/sys systimer.h


From: Hasso Tepper <hasso@xxxxxxxxx>
Date: Mon, 4 May 2009 21:02:17 +0300

Matthew Dillon wrote:
> :Sepherosa Ziehau:
> :> Though I don't have a system that could do C3 testing, I added a
> :> sysctl to test the dynamic switching.  It works as expected.
> :
> :But I have. Without hw.lapic_timer_enable "systat -vm 1" reports ~270
> : clk interrupts per second on my laptop with rather idle KDE3 desktop.
> : With hw.lapic_timer_enable and hw.acpi.cpu.cx_lowest=C1 it's 0 (as
> : expected), but with cx_lowest set to C3 it's ~2700 and more. Why?
> :
> :--
> :Hasso Tepper
>
>     How many cpu's ?

2 cores.


-- 
Hasso Tepper



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