Date: Thu, 5 Apr 2012 01:52:08 -0700 From: =?windows-1251?B?y/7h7uzo8CDD8Ojj7vDu4g==?= <nm.knife@gmail.com> To: freebsd-stable@freebsd.org Subject: Re: lowest C-state changes Message-ID: <CAHi1JscwxwAa9_WbgVAdL6y37Rqr9R1NQ5T3kssigpYrnXt4pw@mail.gmail.com> In-Reply-To: <CAHi1Jscju7t1PdZa7yjY6kKK0tAuqwc8GUidO3e8o=P__BybQA@mail.gmail.com> References: <CAHi1Jscju7t1PdZa7yjY6kKK0tAuqwc8GUidO3e8o=P__BybQA@mail.gmail.com>
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and last one is dev.cpu.3.cx_lowest=3DC3 btw... also to add, I never drop below 50C in X. Thus fan never goes to lowest spin speed. In console it's fine. =CD=E0 05 =E0=EF=F0=E8=EB 2012, 01:46, =CB=FE=E1=EE=EC=E8=F0 =C3=F0=E8=E3= =EE=F0=EE=E2 <nm.knife@gmail.com> =ED=E0=EF=E8=F1=E0: > Hello all, I am using FreeBSD 9.0-STABLE with Konstantin's patch from > March 22nd. Everything else is stock. However, after heavy load, or > compiling, C-states go to C1 as lowest. I think once they pass the > threshold, they don't go back. > > ThinkPad X220 > i5 2520M with integrated Intel video > > In /etc/sysctl.conf > dev.cpu.0.cx_lowest=3DC3 > dev.cpu.1.cx_lowest=3DC3 > dev.cpu.2.cx_lowest=3DC3 > dev.cpu.0.cx_lowest=3DC3 > > In /etc/rc.conf > powerd_enable=3D"YES" > powerd_flags=3D"-a hiadaptive -b adaptive -i 85 -r 60 -p 100" > > However, once the cores go to C1, they stay there forever, unless I > manually set them all back. > > Any idea on this? > > -- > Lyubomir Grigorov (bgalakazam) > > --=20 Lyubomir Grigorov (bgalakazam)
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