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Date:      Mon, 5 May 2014 12:36:08 +0200
From:      Matthias Apitz <guru@unixarea.de>
To:        Stefan Esser <se@freebsd.org>
Cc:        "freebsd-hackers@freebsd.org" <hackers@freebsd.org>, "current@freebsd.org" <current@freebsd.org>
Subject:   Re: Leaving the Desktop Market
Message-ID:  <20140505103608.GA2206@La-Habana>
In-Reply-To: <5367633E.90003@freebsd.org>
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> <20140505091709.GA1983@La-Habana> <5367633E.90003@freebsd.org>

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El día Monday, May 05, 2014 a las 12:09:02PM +0200, Stefan Esser escribió:

> > In the output of:
> > 
> > $ sysctl -a | fgrep dev.cpu.0.freq_
> > dev.cpu.0.freq_levels: 1600/2000 1333/1533 1066/1066 800/600
> > 
> > what does mean the value after the slash .../nnnn ?
> 
> This is the nominal power consumption (TDP) in mW for that level.
> These numbers correspond to 2W at 1600MHz and 0.6W at 800MHz.

Thanks.

> 
> Is this an Atom or some other ultra-low power CPU?

dmesg shows:

...
CPU: Intel(R) Atom(TM) CPU N270   @ 1.60GHz (1596.22-MHz 686-class CPU)
  Origin = "GenuineIntel"  Id = 0x106c2  Family = 0x6  Model = 0x1c  Stepping = 2
  Features=0xbfe9fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
  Features2=0x40c39d<SSE3,DTES64,MON,DS_CPL,EST,TM2,SSSE3,xTPR,PDCM,MOVBE>
  AMD Features2=0x1<LAHF>
  TSC: P-state invariant, performance statistics
real memory  = 1073741824 (1024 MB)
avail memory = 1004568576 (958 MB)
Event timer "LAPIC" quality 400
ACPI APIC Table: <ACRSYS ACRPRDCT>
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
FreeBSD/SMP: 1 package(s) x 1 core(s) x 2 HTT threads
 cpu0 (BSP): APIC ID:  0
 cpu1 (AP/HT): APIC ID:  1
ioapic0: Changing APIC ID to 4
ioapic0 <Version 2.0> irqs 0-23 on motherboard
...

Btw: the values in  /etc/rc.conf

performance_cx_lowest="Cmax"
economy_cx_lowest="Cmax"

to which launched process they belong as config values?

Thanks

	matthias



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