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Date:      Sun, 4 May 2014 01:13:48 -0700
From:      Adrian Chadd <adrian@freebsd.org>
To:        Kevin Oberman <rkoberman@gmail.com>
Cc:        "freebsd-hackers@freebsd.org" <hackers@freebsd.org>, Nathan Whitehorn <nwhitehorn@freebsd.org>, Jordan Hubbard <jkh@mail.turbofuzz.com>, "freebsd-arch@freebsd.org" <freebsd-arch@freebsd.org>
Subject:   Re: Leaving the Desktop Market
Message-ID:  <CAJ-Vmokq-e7qMNZq_XVh3XBidAg7o6y4MOscvJYXSZB=dN9EjA@mail.gmail.com>
In-Reply-To: <CAN6yY1ukYxuf=jwBVbepCg84k54HdquyCiwpRx%2BB=SQ1hb0efg@mail.gmail.com>
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> <536592D1.7080403@freebsd.org> <CAN6yY1tdsitXmGeu87OBw6RZ_s0qDvuoYXbTJVjnr74k6oM4Ag@mail.gmail.com> <CAJ-Vmo=zXyuyARapz4UCaTwMtWtW_8ys0pgssHOOUhnA-5Bt4g@mail.gmail.com> <CAN6yY1ukYxuf=jwBVbepCg84k54HdquyCiwpRx%2BB=SQ1hb0efg@mail.gmail.com>

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[snip]

ok, how about this to start with:

http://people.freebsd.org/~adrian/power/20140504-powerd-1.diff

This defaults powerd to set minfreq to 50% of the hardware available
maxfreq, unless minfreq is explicitly given on the command line.

This should at least fix some of the really silly default decisions
made by powerd during idle.

This code sorely needs an update to the cpufreq_*() routines. That can
come later.

Does anyone have any issues?



-a



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