| From | Subject | Date |
|---|---|---|
| Kevin Oberman | Re: sysctl debug.cpufreq.highest
Ack! Did this really make it into the code? This is NOT the answer. the
answer is to get rid of the useless CPU throttling and TCC which is the
real cause of this.
Neither of these methods was designed as a power management mechanism.
They were designed to keep the processor from over-heating. They both
can do what they were designed for quite well, but they can provide only
very limited power savings and can actually result in higher power
consumption in some cases. (I reported on my ...
| Oct 6, 8:29 am 2010 |
| Bruce Cran | Re: sysctl debug.cpufreq.highest
You can use the new -m and -M switches to powerd to control the minimum and
maximum frequencies instead.
--
Bruce Cran
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| Oct 5, 11:18 pm 2010 |
| Alexander Kojevnikov | sysctl debug.cpufreq.highest
Are there plans to add debug.cpufreq.highest support into CURRENT and
eventually into 8-STABLE?
Corresponding patches [0] have been available since Nov 2008 [1] and
they work pretty well.
This variable allows to underclock the CPU, which is useful when
building quiet or low-power systems.
[0] http://acm.poly.edu/~spawk/cpufreq/
[1] http://lists.freebsd.org/pipermail/freebsd-current/2008-November/000316.html
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| Oct 5, 7:02 pm 2010 |
| Alexander Kojevnikov | Re: sysctl debug.cpufreq.highest
Thanks Bruce, now I have a good reason to upgrade to CURRENT :)
Still, it would be nice to have debug.cpufreq.highest exposed via
sysctl. Especially considering that the patch is quite short and
straightforward.
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| Oct 5, 11:48 pm 2010 |
| Tim Kientzle | Re: bin/tar incorrectly parse '[^...]' patterns in --exclude
Thanks!
Committed at r213469.
Tim
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| Oct 5, 9:31 pm 2010 |
| Mark Atkinson | Re: timer selection w/ one shot timer prevents HP DL385G ...
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*sigh* Although I misspelled eventtimer as 'eventtimers' in loader.conf
it still fails to boot without manually selecting the timer.
It's also annoying since '~ ^b' fails to break when it hangs, but '~ ^r'
will work if I give it twice with ALT_BREAK_TO_DEBUGGER.
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| Oct 6, 8:26 am 2010 |
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