Date: Fri, 9 Sep 2016 01:11:05 +0300 From: Aleksandr Rybalko <ray@ddteam.net> To: "Lundberg, Johannes" <johannes@brilliantservice.co.jp> Cc: Adrian Chadd <adrian.chadd@gmail.com>, David Demelier <demelier.david@gmail.com>, "freebsd-x11@freebsd.org" <freebsd-x11@freebsd.org>, "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org> Subject: Re: vt(4) not power friendly? (was: High CPU temperature and high fans level) Message-ID: <CAJ1Oi8FA9TsQE9N73uwFmbFg15rczJqaduhnGqBAZpyY4afE%2BA@mail.gmail.com> In-Reply-To: <CAASDrV=DSr3biYcfcXXmFy8QoTtAh78PWcrcS%2B4GC3Nri82JMA@mail.gmail.com> References: <mailman.101.1468756802.10563.freebsd-questions@freebsd.org> <20160718224548.T324@sola.nimnet.asn.au> <578F5688.8010207@gmail.com> <20160720214809.M324@sola.nimnet.asn.au> <216b40cf-d13d-bc8e-8e39-4d1de2b31fb4@gmail.com> <CAASDrVmiyQOEK9N4S8gsnmK3m==sZya=tTH59xb4A5Dp_RLc8g@mail.gmail.com> <CAJ-VmomDkS11tpX-i140JEwo=ggN=idXk7UHhpmpb4M8Swet7A@mail.gmail.com> <CAASDrVm3cji8uBjpOGJQ8Xp%2B%2BRv8JvFQTGf4UhLdfAXP7XLPwA@mail.gmail.com> <CAASDrV=DSr3biYcfcXXmFy8QoTtAh78PWcrcS%2B4GC3Nri82JMA@mail.gmail.com>
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Hi guys! IIRC, it check for updates 25Hz, but not redraw whole screen. Full screen update looks really ugly :) 2016-09-06 21:09 GMT+03:00 Lundberg, Johannes < johannes@brilliantservice.co.jp>: > Ok, so it seems hw.vga.textmode has no effect on UEFI only systems, > correct? At least, I couldn't tell any difference between text and graphi= cs > mode on Intel Cherryview... > > Doing this on an older traditional BIOS laptop gives at idle console logi= n > prompt: > > textmode i915kms not loaded 10.1W > graphics mode i915kms not loaded 10.2W > i915kms loaded 9.2W > > Refreshing screen contents by doing "ls" 10 times / second with alternati= ng > folders. > > textmode 10.3W > graphicsmode 10.5W > i915kms 10.8W > > Measured with acpiconf -i 0 (charger disconnected)=E2=80=8B. > Numbers are average over several measurements. > > At one time "textmode i915kms not loaded" did show 9.3W so it's difficult > to say if there really is a difference between text and graphics mode. > However, there's a clear difference between i915kms loaded vs not loaded. > Not so big that the fans start to go high though... > > > =E2=80=8BConclusion: > > According to these tests maybe it's not a big deal for the average user w= ho > loads X or works in console but considering all the servers out there > idling at the console prompt there's a lot of wasted energy.... > > I haven't looked into it that much but it seems that vt is forcing screen > refresh at 25 Hz. Might be a good idea to do a more event driven renderin= g > and postpone melting the ice caps a little longer :) =E2=80=8B > > > On Thu, Sep 1, 2016 at 3:21 PM, Lundberg, Johannes < > johannes@brilliantservice.co.jp> wrote: > > > Adding > > hw.vga.textmode=3D1 > > to /boot/loader.conf does not make any difference. > > > > On Sun, Aug 28, 2016 at 7:03 PM, Adrian Chadd <adrian.chadd@gmail.com> > > wrote: > > > >> On 18 August 2016 at 16:18, Lundberg, Johannes > >> <johannes@brilliantservice.co.jp> wrote: > >> > Hi > >> > > >> > I have been wondering about the same. I have a watt meter connected = to > >> my > >> > dev board and I can clearly see power consumption going down when VT > is > >> > inactive. > >> > > >> > We should look into this. > >> > >> ... interesting. Hm. Can you boot vt into 80x25 text mode and test? > >> > >> > >> -a > >> > >> > > >> > On Thu, Aug 18, 2016 at 2:44 PM, David Demelier < > >> demelier.david@gmail.com> > >> > wrote: > >> > > >> >> On 20/07/16 15:20, Ian Smith wrote: > >> >> > >> >>> On Wed, 20 Jul 2016 12:46:32 +0200, David Demelier wrote: > >> >>> > Le 18/07/2016 15:41, Ian Smith a =C3=A9crit : > >> >>> > > In freebsd-questions Digest, Vol 632, Issue 8, Message: 21 > >> >>> > > On Sun, 17 Jul 2016 11:59:32 +0200 David Demelier > >> >>> > > <demelier.david@gmail.com> wrote: > >> >>> > > > 2016-07-17 0:25 GMT+02:00 Polytropon <freebsd@edvax.de>: > >> >>> > > > > On Sun, 17 Jul 2016 00:06:07 +0200, David Demelier > wrote: > >> >>> > > > >> Hello, > >> >>> > > > >> > >> >>> > > > >> I was trying FreeBSD 10.3 on my laptop (hp probook > 4510s) > >> >>> and was surprised > >> >>> > > > >> to see high CPU temperature and fans running high. > >> >>> > > > >> > >> >>> > > > >> No apps running, I get a temperature of 57C in > >> >>> dev.cpu.x.temperature and > >> >>> > > > >> fans run high (not able to get rpms). > >> >>> > > > >> > >> >>> > > > >> On a 4.6.3 Linux distro I get an average of 48C and > fans > >> are > >> >>> quite low. > >> >>> > > > >> > >> >>> > > > >> Both tests were kept in tty. No Xorg running just a > boot > >> and > >> >>> user login in > >> >>> > > > >> console. > >> >>> > > > >> > >> >>> > > > >> Do you have any clue? > >> >>> > > > > > >> >>> > > > > Did you enable powerd? It can slow down the CPU when t= he > >> >>> system > >> >>> > > > > is idle, and increase the CPU speed when needed. This > >> should > >> >>> have > >> >>> > > > > an effect on CPU temperature and fan speed. > >> >>> > > > >> >>> > > > Yes, I had powerd enabled, I tried -a adaptive, -a > >> hiadaptive as > >> >>> > > > suggested by Erich but it seems that only -a min has som= e > >> little > >> >>> > > > effect. I could get a temperature of 52C. I've tested ba= ck > >> on > >> >>> Linux > >> >>> > > > and I got an average much lower (41C). > >> >>> > > > >> >>> > > We really need to see what speed the CPU is running at when > >> idle. > >> >>> > > > >> >>> > > I think the fans running high - presumably from the sound an= d > >> >>> airflow? - > >> >>> > > rules out the sort of sensor errors Arthur reported (ie belo= w > >> >>> ambient :) > >> >>> > > and I assume the box actually feels warmer .. 57C suggests a > >> busy > >> >>> CPU or > >> >>> > > two .. but then it is summer there; what background ambient > >> temp. > >> >>> range? > >> >>> > > >> >>> > We have air-conditioning at work so ambient temperature is > normal, > >> >>> somewhat > >> >>> > between 24-28. > >> >>> > >> >>> Ok, just checking. So the temperatures are indeed obviously > >> excessive. > >> >>> > >> >>> > > > By the way the other sensors in hw.acpi.tz* are also muc= h > >> >>> higher than > >> >>> > > > Linux (using lm_sensors). The highest value is my tz5 > which > >> is > >> >>> at 78C > >> >>> > >> >>> Isn't that tz2? tz5 is only 55C in your listing (and not active), > but > >> >>> tz2 is indeed 78C and working the fan moderately hard. > >> >>> > >> >>> > > > almost 5 seconds after boot while the maximum tz value i= n > >> Linux > >> >>> > > > sensors is 55. > >> >>> > > > > >> >>> > > > I have no idea what's wrong. :( > >> >>> > >> >>> > > % sysctl hw.acpi > >> >>> > > % sysctl debug.acpi > >> >>> > > % sysctl dev.est # assuming intel? if not, maybe > >> >>> dev.hwpstate? > >> >>> > > % sysctl dev.cpu # best while idle, maybe plus when > >> busier > >> >>> > >> >>> > Thanks for your answer, here I posted the output of the sysctl > >> >>> variables you > >> >>> > asked for: > >> >>> > > >> >>> > http://markand.fr/files/result.txt > >> >>> > >> >>> Thanks, that's a useful format. Well, a couple of things .. > >> >>> > >> >>> > I've ran them on a FreeBSD memstick, I needed to install a Lin= ux > >> >>> distro until > >> >>> > I can find a solution because this drains my battery a lot. > >> >>> > >> >>> But did you start powerd after the memstick boot? From the CPU > speed, > >> >>> assuming it was generally idle, I suspect not? > >> >>> > >> >>> The big surprise is that CPU frequency (at least when you asked) i= s > at > >> >>> maximum (except for Turboboost mode) and that it's only using C1 > state > >> >>> when halted. C2 and C3 states provide a huge win for power > >> consumption > >> >>> - and so proportionally less heat. Alexander takes it to the limi= t > >> at: > >> >>> https://wiki.freebsd.org/TuningPowerConsumption > >> >>> > >> >>> hw.acpi.cpu.cx_lowest: C1 # the 'master setting' for cx_lowe= st > >> >>> > >> >>> # =3D=3D> sysctl dev.cpu > >> >>> dev.cpu.1.cx_usage: 100.00% 0.00% 0.00% last 14427us > >> >>> dev.cpu.1.cx_lowest: C1 > >> >>> dev.cpu.1.cx_supported: C1/1/1 C2/2/1 C3/3/162 > >> >>> [..] > >> >>> dev.cpu.0.cx_usage: 100.00% 0.00% 0.00% last 13756us > >> >>> dev.cpu.0.cx_lowest: C1 > >> >>> dev.cpu.0.cx_supported: C1/1/1 C2/2/1 C3/3/162 > >> >>> dev.cpu.0.freq_levels: 2101/35000 2100/35000 1600/23888 1200/15000 > >> >>> dev.cpu.0.freq: 2100 > >> >>> > >> >>> Also noted that it's running on battery (which is good for this > >> purpose) > >> >>> hw.acpi.acline: 0 > >> >>> hw.acpi.battery.info_expire: 5 > >> >>> hw.acpi.battery.units: 1 > >> >>> hw.acpi.battery.state: 1 > >> >>> hw.acpi.battery.time: 91 # can likely be doubled of better > >> >>> hw.acpi.battery.life: 79 > >> >>> > >> >>> > The average temperature was 50C, a bit less than the installed > >> >>> version on > >> >>> > hard drive where I have seen higher values. This is > interesting. I > >> >>> will > >> >>> > double check if something else makes the CPU more busy. > >> >>> > >> >>> Well you need to duplicate basic conditions when booted from > memstick; > >> >>> after boot, as root you should be able to: > >> >>> > >> >>> # service powerd onestart > >> >>> # sysctl hw.acpi.cpu.cx_lowest=3DCmax > >> >>> > >> >>> and then observe dev.cpu.0.freq and dev.cpu.0.cx_usage .. > >> >>> > >> >>> Though whenever you plug it in, or unplug it, you'll have to set t= he > >> >>> sysctl again, unless you update the settings in /etc/rc.conf > >> (possible?) > >> >>> > >> >>> Which should a) have it drop back to 1200 MHz and b) allow it to u= se > >> C2 > >> >>> and probably C3 .. you might check dmesg for any mention of 'C2' o= r > >> 'C3' > >> >>> as certain combinations of chosen timecounter can limit C3 or even > C2 > >> >>> use, and will say so (usually to do with use of the TSC as > >> timecounter) > >> >>> > >> >>> On 9.3 one still had to explicily set these: > >> >>> !grep cx /etc/defaults/rc.conf > >> >>> performance_cx_lowest=3D"HIGH" # Online CPU idle state > >> >>> economy_cx_lowest=3D"HIGH" # Offline CPU idle state > >> >>> !grep cx /etc/rc.conf > >> >>> performance_cx_lowest=3DC3 > >> >>> economy_cx_lowest=3DC3 > >> >>> > >> >>> But on head sources from a couple of months ago: > >> >>> !grep cx /usr/head/src/etc/defaults/rc.conf > >> >>> performance_cx_lowest=3D"C2" # Online CPU idle state > >> >>> economy_cx_lowest=3D"Cmax" # Offline CPU idle state > >> >>> > >> >>> So you might want to check what is there for 10.3? Setting both > >> 'Cmax' > >> >>> (or at least to C2) should be safe, the head defaults above are > likely > >> >>> more conservative for a few boxes that aren't happy with C3 and > >> higher. > >> >>> > >> >>> If that works, with powerd running CPU at 1200 MHz, it should save > >> lots > >> >>> of power and run plenty cooler. Good luck! > >> >>> > >> >>> Warner Losh has suggested disabling Turbo mode on these if having > heat > >> >>> problems, by adding (in your case) '-M 2100' to powerd_flags, but > that > >> >>> might be something for later. Meanwhile go for C2 and C3+ if > >> possible. > >> >>> > >> >>> As for fans, tz2 and tz0 are the only ones with 'active' cooling, > >> though > >> >>> tz2 is the only one also with passive cooling, so is most probably > the > >> >>> CPU/s - see acpi_thermal(4). > >> >>> > >> >>> This one doesn't turn on passive cooling (ie slowing the CPU) unti= l > >> only > >> >>> 3C below critical shutdown temperature, which seems a bit close to > me. > >> >>> > >> >>> At that moment it was above 45C and below 62C, so running at level > 3. > >> >>> > >> >>> hw.acpi.thermal.tz2._TSP: 300 > >> >>> hw.acpi.thermal.tz2._TC2: 2 > >> >>> hw.acpi.thermal.tz2._TC1: 1 > >> >>> hw.acpi.thermal.tz2._ACx: 84.0C 74.0C 62.0C 45.0C 38.0C 30.0C -1 -= 1 > >> -1 -1 > >> >>> hw.acpi.thermal.tz2._CRT: 108.0C > >> >>> hw.acpi.thermal.tz2._HOT: -1 > >> >>> hw.acpi.thermal.tz2._PSV: 105.0C > >> >>> hw.acpi.thermal.tz2.thermal_flags: 0 > >> >>> hw.acpi.thermal.tz2.passive_cooling: 1 > >> >>> hw.acpi.thermal.tz2.active: 3 > >> >>> hw.acpi.thermal.tz2.temperature: 53.0C > >> >>> > >> >>> This fan is also active at level 3 (0-based, so above 72C, with 3 > >> higher > >> >>> speeds to go). It can be hard to tell what TZ matches what > 'device'. > >> >>> > >> >>> hw.acpi.thermal.tz0._TSP: -1 > >> >>> hw.acpi.thermal.tz0._TC2: -1 > >> >>> hw.acpi.thermal.tz0._TC1: -1 > >> >>> hw.acpi.thermal.tz0._ACx: 105.0C 96.0C 87.0C 72.0C 64.0C 57.0C 30.= 0C > >> -1 > >> >>> -1 -1 > >> >>> hw.acpi.thermal.tz0._CRT: 108.0C > >> >>> hw.acpi.thermal.tz0._HOT: -1 > >> >>> hw.acpi.thermal.tz0._PSV: -1 > >> >>> hw.acpi.thermal.tz0.thermal_flags: 0 > >> >>> hw.acpi.thermal.tz0.passive_cooling: 0 > >> >>> hw.acpi.thermal.tz0.active: 3 > >> >>> hw.acpi.thermal.tz0.temperature: 78.0C > >> >>> > >> >>> That one seems pretty high. I'd suspect the GPU(/s?) but you're n= ot > >> >>> running X, so hmmm .. definitely not CPU though. > >> >>> > >> >>> cheers, Ian > >> >>> > >> >> > >> >> Hello all, > >> >> > >> >> Sorry for this late response, I was in vacation. > >> >> > >> >> I've spent some time into this problem again, and I think I have > found > >> the > >> >> culprit. I first disabled completely the new console driver vt(4) t= o > >> use > >> >> the old syscons and the CPU coretemp temperature immediately fell. > >> >> > >> >> Running with vt(4) and radeonkms loaded: average of 47=C2=B0, no X,= just a > >> >> plain tty with nothing running. > >> >> > >> >> Running with syscons: average of 38=C2=B0. > >> >> > >> >> That's why I've CC'ed to freebsd-x11@, > >> >> > >> >> Is there power issue in the new vt(4) driver? I've also tried with > >> >> textmode with the same results. > >> >> > >> >> Regards, > >> >> > >> >> -- > >> >> David Demelier > >> >> _______________________________________________ > >> >> freebsd-x11@freebsd.org mailing list > >> >> https://lists.freebsd.org/mailman/listinfo/freebsd-x11 > >> >> To unsubscribe, send any mail to "freebsd-x11-unsubscribe@ > freebsd.org" > >> >> > >> > > >> > -- > >> > =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-= =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- > >> > =E7=A7=98=E5=AF=86=E4=BF=9D=E6=8C=81=E3=81=AB=E3=81=A4=E3=81=84=E3= =81=A6=EF=BC=9A=E3=81=93=E3=81=AE=E9=9B=BB=E5=AD=90=E3=83=A1=E3=83=BC=E3=83= =AB=E3=81=AF=E3=80=81=E5=90=8D=E5=AE=9B=E4=BA=BA=E3=81=AB=E9=80=81=E4=BF=A1= =E3=81=97=E3=81=9F=E3=82=82=E3=81=AE=E3=81=A7=E3=81=82=E3=82=8A=E3=80=81=E7= =A7=98=E5=8C=BF=E7=89=B9=E6=A8=A9=E3=81=AE=E5=AF=BE=E8=B1=A1=E3=81=A8=E3=81= =AA=E3=82=8B=E6=83=85=E5=A0=B1=E3=82=92=E5=90=AB=E3=82=93=E3=81=A7=E3=81=84= =E3=81=BE=E3=81=99=E3=80=82 > >> > =E3=82=82=E3=81=97=E3=80=81=E5=90=8D=E5=AE=9B=E4=BA=BA=E4=BB=A5=E5= =A4=96=E3=81=AE=E6=96=B9=E3=81=8C=E5=8F=97=E4=BF=A1=E3=81=95=E3=82=8C=E3=81= =9F=E5=A0=B4=E5=90=88=E3=80=81=E3=81=93=E3=81=AE=E3=83=A1=E3=83=BC=E3=83=AB= =E3=81=AE=E7=A0=B4=E6=A3=84=E3=80=81=E3=81=8A=E3=82=88=E3=81=B3=E3=81=93=E3= =81=AE=E3=83=A1=E3=83=BC=E3=83=AB=E3=81=AB=E9=96=A2=E3=81=99=E3=82=8B=E4=B8= =80=E5=88=87=E3=81=AE=E9=96=8B=E7=A4=BA=E3=80=81 > >> > =E8=A4=87=E5=86=99=E3=80=81=E9=85=8D=E5=B8=83=E3=80=81=E3=81=9D=E3= =81=AE=E4=BB=96=E3=81=AE=E5=88=A9=E7=94=A8=E3=80=81=E3=81=BE=E3=81=9F=E3=81= =AF=E8=A8=98=E8=BC=89=E5=86=85=E5=AE=B9=E3=81=AB=E5=9F=BA=E3=81=A5=E3=81=8F= =E3=81=84=E3=81=8B=E3=81=AA=E3=82=8B=E8=A1=8C=E5=8B=95=E3=82=82=E3=81=95=E3= =82=8C=E3=81=AA=E3=81=84=E3=82=88=E3=81=86=E3=81=8A=E9=A1=98=E3=81=84=E7=94= =B3=E3=81=97=E4=B8=8A=E3=81=92=E3=81=BE=E3=81=99=E3=80=82 > >> > --- > >> > CONFIDENTIALITY NOTE: The information in this email is confidential > >> > and intended solely for the addressee. > >> > Disclosure, copying, distribution or any other action of use of this > >> > email by person other than intended recipient, is prohibited. > >> > If you are not the intended recipient and have received this email i= n > >> > error, please destroy the original message. > >> > _______________________________________________ > >> > freebsd-questions@freebsd.org mailing list > >> > https://lists.freebsd.org/mailman/listinfo/freebsd-questions > >> > To unsubscribe, send any mail to "freebsd-questions-unsubscribe > >> @freebsd.org" > >> > > > > > > -- > =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-= =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- > =E7=A7=98=E5=AF=86=E4=BF=9D=E6=8C=81=E3=81=AB=E3=81=A4=E3=81=84=E3=81=A6= =EF=BC=9A=E3=81=93=E3=81=AE=E9=9B=BB=E5=AD=90=E3=83=A1=E3=83=BC=E3=83=AB=E3= =81=AF=E3=80=81=E5=90=8D=E5=AE=9B=E4=BA=BA=E3=81=AB=E9=80=81=E4=BF=A1=E3=81= =97=E3=81=9F=E3=82=82=E3=81=AE=E3=81=A7=E3=81=82=E3=82=8A=E3=80=81=E7=A7=98= =E5=8C=BF=E7=89=B9=E6=A8=A9=E3=81=AE=E5=AF=BE=E8=B1=A1=E3=81=A8=E3=81=AA=E3= =82=8B=E6=83=85=E5=A0=B1=E3=82=92=E5=90=AB=E3=82=93=E3=81=A7=E3=81=84=E3=81= =BE=E3=81=99=E3=80=82 > =E3=82=82=E3=81=97=E3=80=81=E5=90=8D=E5=AE=9B=E4=BA=BA=E4=BB=A5=E5=A4=96= =E3=81=AE=E6=96=B9=E3=81=8C=E5=8F=97=E4=BF=A1=E3=81=95=E3=82=8C=E3=81=9F=E5= =A0=B4=E5=90=88=E3=80=81=E3=81=93=E3=81=AE=E3=83=A1=E3=83=BC=E3=83=AB=E3=81= =AE=E7=A0=B4=E6=A3=84=E3=80=81=E3=81=8A=E3=82=88=E3=81=B3=E3=81=93=E3=81=AE= =E3=83=A1=E3=83=BC=E3=83=AB=E3=81=AB=E9=96=A2=E3=81=99=E3=82=8B=E4=B8=80=E5= =88=87=E3=81=AE=E9=96=8B=E7=A4=BA=E3=80=81 > =E8=A4=87=E5=86=99=E3=80=81=E9=85=8D=E5=B8=83=E3=80=81=E3=81=9D=E3=81=AE= =E4=BB=96=E3=81=AE=E5=88=A9=E7=94=A8=E3=80=81=E3=81=BE=E3=81=9F=E3=81=AF=E8= =A8=98=E8=BC=89=E5=86=85=E5=AE=B9=E3=81=AB=E5=9F=BA=E3=81=A5=E3=81=8F=E3=81= =84=E3=81=8B=E3=81=AA=E3=82=8B=E8=A1=8C=E5=8B=95=E3=82=82=E3=81=95=E3=82=8C= =E3=81=AA=E3=81=84=E3=82=88=E3=81=86=E3=81=8A=E9=A1=98=E3=81=84=E7=94=B3=E3= =81=97=E4=B8=8A=E3=81=92=E3=81=BE=E3=81=99=E3=80=82 > --- > CONFIDENTIALITY NOTE: The information in this email is confidential > and intended solely for the addressee. > Disclosure, copying, distribution or any other action of use of this > email by person other than intended recipient, is prohibited. > If you are not the intended recipient and have received this email in > error, please destroy the original message. > _______________________________________________ > freebsd-x11@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-x11 > To unsubscribe, send any mail to "freebsd-x11-unsubscribe@freebsd.org" > --=20 WBW ------- Rybalko Aleksandr <ray@ddteam.net>
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