Date: Sun, 27 Sep 2015 09:59:04 +0200 From: "Dr. Nikolaus Klepp" <dr.klepp@gmx.at> To: freebsd-questions@freebsd.org Subject: Re: intel atom N2600 cpu freq_levels on 10.2 Message-ID: <201509270959.04250.dr.klepp@gmx.at> In-Reply-To: <5607A0E2.5060908@luckie.org.nz> References: <5607A0E2.5060908@luckie.org.nz>
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Am Sonntag, 27. September 2015 schrieb Matthew Luckie: > Hi > > I just updated to FreeBSD 10.2, and I'm noticing that the CPU frequency > levels available are much more limited compared to FreeBSD 10.1 on the > same system. For my intel atom n2600, the lowest level available is > 600Mhz, whereas with 10.1 it was 75Mhz. > > I've put my dmesg from boot at: > > http://www.caida.org/~mjl/atom-2600-dmesg.txt > > dev.cpu.0.cx_usage: 100.00% 0.00% 0.00% last 3645us > dev.cpu.0.cx_lowest: C1 > dev.cpu.0.cx_supported: C1/1/1 C2/2/20 C3/3/100 > dev.cpu.0.freq_levels: 1600/2000 1400/1720 1200/1440 1000/1160 800/880 > 600/600 > dev.cpu.0.freq: 600 > dev.cpu.0.temperature: 34.0C > dev.cpu.0.coretemp.throttle_log: 0 > dev.cpu.0.coretemp.tjmax: 100.0C > dev.cpu.0.coretemp.resolution: 1 > dev.cpu.0.coretemp.delta: 65 > dev.cpu.0.%parent: acpi0 > dev.cpu.0.%pnpinfo: _HID=none _UID=0 > dev.cpu.0.%location: handle=\_PR_.CPU0 > dev.cpu.0.%driver: cpu > dev.cpu.0.%desc: ACPI CPU > > Is there anything simple I can do to obtain the lower CPU frequency levels? > > Matthew > > Hi! Please take a look here: https://forums.freebsd.org/threads/cpu-consumes-more-energy-after-upgrade-from-10-1-to-10-2.52835/ Nik -- Please do not email me anything that you are not comfortable also sharing with the NSA.
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