Re: huge nanosleep variance on 11-stable

2016-11-25 Thread Konstantin Belousov
On Wed, Nov 02, 2016 at 06:28:08PM +0200, Konstantin Belousov wrote: > On Wed, Nov 02, 2016 at 09:18:15AM -0700, Jason Harmening wrote: > > I think you are probably right. Hacking out the Intel-specific > > additions to C-state parsing in acpi_cpu_cx_cst() from r282678 (thus > > going back to sti;

Re: huge nanosleep variance on 11-stable

2016-11-25 Thread Jason Harmening
On Fri, Nov 25, 2016 at 1:25 AM, Konstantin Belousov wrote: > On Wed, Nov 02, 2016 at 06:28:08PM +0200, Konstantin Belousov wrote: > > On Wed, Nov 02, 2016 at 09:18:15AM -0700, Jason Harmening wrote: > > > I think you are probably right. Hacking out the Intel-specific > > > additions to C-state

Bogus turbo mode with Intel(R) Core(TM)2 Duo CPU P9700 (2.80GHz)

2016-11-25 Thread Jakub Lach
Hello, Since I'm running this CPU, I've noticed there is additional field in supported frequency (under heavy load)- dev.cpu.0.cx_supported: C1/1/1 C2/2/1 C3/3/57 dev.cpu.0.freq_levels: 2801/35000 2800/35000 2450/30625 2133/23888 1866/20902 1600/15000 1400/13125 1200/11250 1000/9375 800/12000 70

Re: Bogus turbo mode with Intel(R) Core(TM)2 Duo CPU P9700 (2.80GHz)

2016-11-25 Thread Adrian Chadd
the acpi cpu frequency module just exposes the frequency lis given to it by ACPI. If your ACPI table exposes the turbo boost frequency but doesn't implement it on the backend, FreeBSD doesn't know. We just obey what we're told. :) -a On 25 November 2016 at 20:16, Jakub Lach wrote: > Hello, > >

Odp: Re: Bogus turbo mode with Intel(R) Core(TM)2 Duo CPU P9700 (2.80GHz)

2016-11-25 Thread Jakub Lach
Thanks for reply! If I've understood you correctly, that means the ACPI  table somehow provides (lists) turbo mode for this CPU even though it does not support it [1]? Is there a way to check it's real speed under load? I'm guessing no. [1] ark.intel.com ark.intel.com

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2016-11-25 Thread Morumbi Master
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