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Date:      Sat, 14 Feb 2015 14:53:46 +0100
From:      Eduardo Morras <emorrasg@yahoo.es>
To:        freebsd-questions@freebsd.org
Subject:   Re: How to adjust clock frequency in FreeBSD 10.1 ?
Message-ID:  <20150214145346.3bd06f6ffe0f7d6dc658bc64@yahoo.es>
In-Reply-To: <CA%2BtpaK1rJszT2-JMUqBp6hb3nMDVQchn8FBR7icQaSNi1gad4w@mail.gmail.com>
References:  <AE5A370C-A7F7-41D2-900D-B26521A2D705@pobox.com> <CA%2BtpaK3bn-UPrqTU9cME2V9Ls=auf1n0rdr%2BuHA1b7pcspmiPw@mail.gmail.com> <BF8DFE66-E19D-45DA-A0C3-EB08D7E9DFF9@pobox.com> <CA%2BtpaK1rJszT2-JMUqBp6hb3nMDVQchn8FBR7icQaSNi1gad4w@mail.gmail.com>

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On Sat, 14 Feb 2015 06:50:14 -0600
Adam Vande More <amvandemore@gmail.com> wrote:

> On Sat, Feb 14, 2015 at 5:42 AM, Rick Thomas <rbthomas@pobox.com>
> wrote:
> 
> > When I try to change the frequency with (e.g.)
> >     sysctl kern.timecounter.tc.timebase.frequency=36000000
> >
> > I get
> >     sysctl: oid ‘kern.timecounter.tc.timebase.frequency' is read
> > only
> >
> 
> Yeah, pretty clear that sysctl isn't going to help you in any way in
> "man 4 timecounters"
> 
> Is there some other way to set the frequency?
> >
> 
> Sure, but I thought keeping accurate time was the goal?  If so,
> sharing the output from the first command I gave you is a good start.

Perhaps using powerd? It can adjust the Hz of cpu.

---   ---
Eduardo Morras <emorrasg@yahoo.es>



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