Date: Sun, 4 May 2014 16:28:39 +0200 From: Matthias Apitz <guru@unixarea.de> To: Kevin Oberman <rkoberman@gmail.com> Cc: "freebsd-hackers@freebsd.org" <hackers@freebsd.org>, "current@freebsd.org" <current@freebsd.org> Subject: Re: Leaving the Desktop Market Message-ID: <20140504142839.GA9271@La-Habana> In-Reply-To: <CAN6yY1uo08PDsYJ2KQNjw4hYuNsNJUvRu1b0cG%2B387F6Owkukg@mail.gmail.com> References: <CAF6rxgkeBozvfV-L0%2BrFZ6fWRn0=Gi3BNq1kPL=-HTq0TD6MkQ@mail.gmail.com> <A70900DF-4BAA-427F-8731-01211FFD1887@mail.turbofuzz.com> <3F7430D7-3C0F-43E1-8EBD-8AA4F701497C@FreeBSD.org> <20140503155745.GA2457@La-Habana> <CAJ-VmokHQvb2S-1c08J3RECUMosQ%2Bcd1gdB91LAb5famfKqP5w@mail.gmail.com> <20140503192305.GA1847@La-Habana> <CAJ-Vmon1ZYX18SN1f=z9N=hSgpZrAxXMxiJBUDWk6LYvMRiHmw@mail.gmail.com> <CAN6yY1uo08PDsYJ2KQNjw4hYuNsNJUvRu1b0cG%2B387F6Owkukg@mail.gmail.com>
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El día Saturday, May 03, 2014 a las 04:59:48PM -0700, Kevin Oberman escribió: > On Sat, May 3, 2014 at 1:25 PM, Adrian Chadd <adrian@freebsd.org> wrote: > > > Set it to the lowest available Cx state that you see in dev.cpu.0 . > > > > > Available is not required. Set it to C8. That guarantees that you will use > the lowest available. The correct incantation in rc.conf is "Cmax". > performance_cx_lowest="Cmax" > economy_cx_lowest="Cmax" > > But, unless you want laggy performance, you will probably also want: > hint.p4tcc.0.disabled=1 > hint.acpi_throttle.0.disabled=1 > in /boot/loader.conf. Low Cx states and TCC/throttling simply don't mix > well and TCC is not effective, as mentioned earlier in this thread. Re/ powerd I have in /etc/rc.conf: # powerd powerd_enable="YES" powerd_flags="-a max -b adp" # performance_cx_lowest="Cmax" economy_cx_lowest="Cmax" (and the additional hint.* in /boot/loader.conf as well). Which process 'performance_cx_lowest' and 'economy_cx_lowest' target exactly as config values? Thx matthias -- Matthias Apitz | /"\ ASCII Ribbon Campaign: E-mail: guru@unixarea.de | \ / - No HTML/RTF in E-mail WWW: http://www.unixarea.de/ | X - No proprietary attachments phone: +49-170-4527211 | / \ - Respect for open standards | en.wikipedia.org/wiki/ASCII_Ribbon_Campaign
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