Date: Mon, 20 Feb 2006 15:16:56 -0500 From: Kris Kennaway <kris@obsecurity.org> To: Yar Tikhiy <yar@comp.chem.msu.su> Cc: freebsd-current@freebsd.org Subject: Re: -current is sluggish Message-ID: <20060220201656.GA20356@xor.obsecurity.org> In-Reply-To: <20060220165019.GF55136@comp.chem.msu.su> References: <43ED294A.2050505@savvis.net> <43F6C577.5020901@savvis.net> <20060220165019.GF55136@comp.chem.msu.su>
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--IS0zKkzwUGydFO0o Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Feb 20, 2006 at 07:50:19PM +0300, Yar Tikhiy wrote: > On Fri, Feb 17, 2006 at 10:57:59PM -0800, Maksim Yevmenkin wrote: > > Maksim Yevmenkin wrote: > > >Dear Hackers, > > > > > >after upgrading to today's current my laptop is very sluggish > [snip] > > and just to close this thread, all i had to do is put > >=20 > > performance_cx_lowest=3D"HIGH" > >=20 > > into my /etc/rc.conf and then > >=20 > > # /etc/rc.d/power_profile 0x01 > >=20 > > this fixes things for me. > >=20 > > i find it strange that /etc/defaults/rc.cond has=20 > > performance_cx_lowest=3D"LOW", but someone must have had a good reason = for=20 > > this. >=20 > I'm about to run CURRENT on a rather modern laptop with all the > fancy power-control stuff, which I've never done before, so this > thread is rather interesting to me. According to rc.conf(5), > performance_cx_lowest specifies a CPU power state when idle. > Shouldn't it have no effect on the CPU speed when it has some real > work to do? Looks like there is significant latency in the CPU's > transition from idle state to active state -- at least in your case. Talk to njl@, who recently made this change. Kris --IS0zKkzwUGydFO0o Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (FreeBSD) iD8DBQFD+iO3Wry0BWjoQKURAsIpAJsEc0+x35WkoDiFqAQuUYuNtq6GnACdGds2 KlTuJFm2kLV7/qjQmNlWvP8= =3CrT -----END PGP SIGNATURE----- --IS0zKkzwUGydFO0o--
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