Re: Leaving the Desktop Market
This is an OpenPGP/MIME signed message (RFC 4880 and 3156)
--4CfLUc6eLH6QdOeclb4lFu1apwLEcSo34
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable
On 2014-05-04 11:47, Allan Jude wrote:
> On 2014-05-04 10:28, Matthias Apitz wrote:
>> El d=EDa Saturday, May 03, 2014 a las 04:59:48PM -0700, Kevin Oberman =
escribi=F3:
>>
>>> On Sat, May 3, 2014 at 1:25 PM, Adrian Chadd <adrian@freebsd.org> wro=
te:
>>>
>>>> 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 wil=
l use
>>> the lowest available. The correct incantation in rc.conf is "Cmax".
>>> performance_cx_lowest=3D"Cmax"
>>> economy_cx_lowest=3D"Cmax"
>>>
>>> But, unless you want laggy performance, you will probably also want:
>>> hint.p4tcc.0.disabled=3D1
>>> hint.acpi_throttle.0.disabled=3D1
>>> in /boot/loader.conf. Low Cx states and TCC/throttling simply don't m=
ix
>>> well and TCC is not effective, as mentioned earlier in this thread.
>>
>> Re/ powerd I have in /etc/rc.conf:
>>
>> # powerd
>> powerd_enable=3D"YES"
>> powerd_flags=3D"-a max -b adp"
>> #
>> performance_cx_lowest=3D"Cmax"
>> economy_cx_lowest=3D"Cmax"
>>
>> (and the additional hint.* in /boot/loader.conf as well). Which proces=
s
>> 'performance_cx_lowest' and 'economy_cx_lowest' target exactly as conf=
ig
>> values?=20
>>
>> Thx
>>
>> matthias
>>
>=20
> In a pretty unscientific test on my laptop (Lenovo T530 with Intel i5
> 3320M), setting hw.acpi.cpu.cx_lowest=3DC8 lowered power consumption at=
> idle by about 3 watts, which adds about 30-45 minutes to my battery lif=
e
> during conservative usage.
>=20
> Using PCBSD 10, so hint.acpi_throttle.0.disabled=3D1 was already set
> (apparently solves some issue with powerd on some AMD systems)
>=20
> I have added hint.p4tcc.0.disabled=3D1 but not sure where to expect to =
see
> a difference.
>=20
I see the difference now, with the p4tcc stuff disabled, the lowest
cpufreq is now 1200mhz instead of 150mhz
--=20
Allan Jude
--4CfLUc6eLH6QdOeclb4lFu1apwLEcSo34
Content-Type: application/pgp-signature; name="signature.asc"
Content-Description: OpenPGP digital signature
Content-Disposition: attachment; filename="signature.asc"
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2.0.16 (MingW32)
Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/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=yWlX
-----END PGP SIGNATURE-----
--4CfLUc6eLH6QdOeclb4lFu1apwLEcSo34--
討論串 (同標題文章)
完整討論串 (本文為第 61 之 86 篇)：