Date: Wed, 05 Sep 2018 05:53:10 -0700 From: Cy Schubert <Cy.Schubert@cschubert.com> To: Eric van Gyzen <eric@vangyzen.net> Cc: lev@FreeBSD.org, Cy Schubert <Cy.Schubert@cschubert.com>, FreeBSD Current <freebsd-current@freebsd.org>, "freebsd-hackers@freebsd.org" <freebsd-hackers@freebsd.org> Subject: Re: Celeron J3160 with enabled Turbo mode stays at 480MHz (lowestsetting) forever and can not lower frequency without Tuebo mode Message-ID: <201809051253.w85CrAX3022473@slippy.cwsent.com> In-Reply-To: Message from Eric van Gyzen <eric@vangyzen.net> of "Wed, 05 Sep 2018 07:43:28 -0500." <43d68d5a-d8b7-965d-52a6-3eff6cdae1b6@vangyzen.net>
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In message <43d68d5a-d8b7-965d-52a6-3eff6cdae1b6@vangyzen.net>, Eric van Gyzen writes: > On 9/5/18 4:35 AM, Lev Serebryakov wrote: > > BTW, these four settings in rc.conf(5) > > > > performance_cx_lowest > > performance_cpu_freq > > economy_cx_lowest > > economy_cpu_freq > > > > do NOTHING. They are not used ANYWHERE but rc.conf and rc.conf.5! > > They are used by /etc/rc.d/power_profile, but not in a way that grep can > find. > > > BTW, "Turbo mode enabled + dev.cpu.X.cx_lowset=C3 + powerd" works, but > > gives only 1601 Mhz, not 2240MHz max: > > > > TURBO ON: > > dev.cpu.0.freq_levels: 1601/2000 1600/2000 1520/1900 1440/1800 1360/1700 12 > 80/1600 1200/1500 1120/1400 1040/1300 960/1200 880/1100 800/1000 720/900 640/ > 800 560/700 480/600 420/525 360/450 300/375 240/300 180/225 120/150 60/75 > > > > TURBO OFF: > > dev.cpu.0.freq_levels: 1600/2000 1520/1900 1440/1800 1360/1700 1280/1600 12 > 00/1500 1120/1400 1040/1300 960/1200 880/1100 800/1000 720/900 640/800 560/70 > 0 480/600 420/525 360/450 300/375 240/300 180/225 120/150 60/75 > > 1601 is not the actual frequency. That is just how it is reported. It > is almost certainly running much higher than 1601. We don't know this until we can independently verify it. Do you mind running some benchmarks with and without turbo mode? -- Cheers, Cy Schubert <Cy.Schubert@cschubert.com> FreeBSD UNIX: <cy@FreeBSD.org> Web: http://www.FreeBSD.org The need of the many outweighs the greed of the few.
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