On Tue, Feb 8, 2011 at 2:27 PM, Albert Vilella <[email protected]> wrote:
> How about the mW before and after switching the card off? > > You should unplug your laptop, then switch the card off, then wait for > a few seconds, and look at the line "present rate": > > present rate: 16605 mW > > On different laptop models, there is a 3000-4000 mW decrease in battery > use... > > Sorry, when I said "battery discharging rate" actually I was talking about the present rate. before trying acpi_call # cat /proc/acpi/battery/BAT0/state present: yes capacity state: ok charging state: discharging present rate: 1129 mA remaining capacity: 4453 mAh present voltage: 16410 mV after: # cat /proc/acpi/battery/BAT0/state present: yes capacity state: ok charging state: discharging present rate: 961 mA remaining capacity: 5600 mAh present voltage: 16981 mV My system is a Dell Vostro 3300 with gentoo linux and the git kernel 2.6.37. The conversion of Amps to Watts is governed by the equation Watts = Amps x Volts In my case a saving of 200 mA on the present rate is: 200./1000.*16500/1000.)*1000. = 3300 mW Where the factor 1000. is to change back and forth from mili units (1000 mA = 1 A) 16500 is the present voltage in mV. > On Tue, Feb 8, 2011 at 5:19 PM, Dante Paz <[email protected]> wrote: > > I can confirm (after repeating the procedure several times) that there is > an > > improvement of 200mA on the battery discharging rate (reported by acpi) > with > > an scatter of 30 or 20 mA. > > It would be great to confirm if this is the power consumption of the > nvidia > > 310m. > > > > On Mon, Feb 7, 2011 at 9:09 PM, Dante Paz <[email protected]> wrote: > >> > >> May these stuff are working, but I have my doubts. > >> > >> First I had to unload the nvidia kernel modules: > >> # rmmod nvidiafb > >> # rmmod nouveau > >> > >> Then I loaded the acpi_call module: > >> insmod acpi_call.ko > >> > >> before to try test_off.sh script I checked the battery state: > >> # cat /proc/acpi/battery/BAT0/state > >> > >> present: yes > >> capacity state: ok > >> charging state: discharging > >> present rate: 1129 mA > >> remaining capacity: 4453 mAh > >> present voltage: 16410 mV > >> > >> # ./test_off.sh > >> Trying \_SB.PCI0.P0P1.VGA._OFF: failed > >> Trying \_SB.PCI0.P0P2.VGA._OFF: failed > >> Trying \_SB_.PCI0.OVGA.ATPX: failed > >> Trying \_SB_.PCI0.OVGA.XTPX: failed > >> Trying \_SB.PCI0.P0P3.PEGP._OFF: failed > >> Trying \_SB.PCI0.P0P2.PEGP._OFF: failed > >> Trying \_SB.PCI0.P0P1.PEGP._OFF: works! > >> > >> and just immediately after that: > >> > >> capacity state: ok > >> charging state: discharging > >> present rate: 1166 mA > >> remaining capacity: 4306 mAh > >> present voltage: 17195 mV > >> > >> # lspci | grep -i VGA > >> 00:02.0 VGA compatible controller: Intel Corporation Arrandale > Integrated > >> Graphics Controller (rev 18) > >> 01:00.0 VGA compatible controller: nVidia Corporation Device 0a75 (rev > ff) > >> > >> I had to plugged the adapter, because I had to let the laptop alone for > 40 > >> minutes (sorry! I'm not sure if this could be change the results) > >> Now I unplug the adapter and I get this: > >> > >> # cat /proc/acpi/battery/BAT0/state > >> present: yes > >> capacity state: ok > >> charging state: discharging > >> present rate: 961 mA > >> remaining capacity: 5600 mAh > >> present voltage: 16981 mV > >> > >> after a few minutes: > >> > >> # cat /proc/acpi/battery/BAT0/state > >> present: yes > >> capacity state: ok > >> charging state: discharging > >> present rate: 949 mA > >> remaining capacity: 5123 mAh > >> present voltage: 16847 mV > >> > >> I think that is could be a good signal, despite the fact that lscpi > still > >> reporting the nvidia vga card. > >> Best, > >> Dante > >> > >> On Mon, Feb 7, 2011 at 7:21 PM, Dawid Lorenz <[email protected]> wrote: > >>> > >>> On 4 February 2011 15:32, Jesus Monzon Legido <[email protected]> > >>> wrote: > >>>> > >>>> Finally I follow the steps on [#3 Disable the nvidia gaphics card to > >>>> increase battery life] adapted to my card > >>>> > >>>> http://robbyx.net/blog/?p=190 > >>>> > >>>> so that it is switched off on each system logon. I attach the nvdown > >>>> that worked for me (the one in the article is for Asus Laptop). > >>> > >>> Post at http://robbyx.net/blog/?p=190 suggests following output after > >>> insering acpi_call.ko module and running ./test_off.sh: > >>> Trying \_SB.PCI0.P0P1.VGA._OFF: failed > >>> Trying \_SB.PCI0.P0P2.VGA._OFF: failed > >>> Trying \_SB_.PCI0.OVGA.ATPX: failed > >>> Trying \_SB_.PCI0.OVGA.XTPX: failed > >>> Trying \_SB.PCI0.P0P3.PEGP._OFF: failed > >>> Trying \_SB.PCI0.P0P2.PEGP._OFF: failed > >>> Trying \_SB.PCI0.P0P1.PEGP._OFF: failed > >>> Trying \_SB.PCI0.MXR0.MXM0._OFF: failed > >>> Trying \_SB.PCI0.PEG1.GFX0._OFF: works! > >>> What I am getting on my Dell Vostro 3300 is: > >>> Trying \_SB.PCI0.P0P1.VGA._OFF: failed > >>> Trying \_SB.PCI0.P0P2.VGA._OFF: failed > >>> Trying \_SB_.PCI0.OVGA.ATPX: failed > >>> Trying \_SB_.PCI0.OVGA.XTPX: failed > >>> Trying \_SB.PCI0.P0P3.PEGP._OFF: failed > >>> Trying \_SB.PCI0.P0P2.PEGP._OFF: failed > >>> Trying \_SB.PCI0.P0P1.PEGP._OFF: works! > >>> And after running that I still see nvidia on the lspci list: > >>> [root@v3300 acpi_call]# lspci | grep -i vga > >>> 00:02.0 VGA compatible controller: Intel Corporation Core Processor > >>> Integrated Graphics Controller (rev 18) > >>> 01:00.0 VGA compatible controller: nVidia Corporation GT218 [GeForce > >>> 310M] (rev ff) > >>> So probably it isn't switched off after all. Or maybe I'm doing > something > >>> wrong. > >>> Basically, ./test_off.sh script "works!" on different part of the test > in > >>> my case but I'm not sure what does that mean, really. Could someone > explain > >>> what these acronyms (ie. \_SB.PCI0.P0P1.PEGP._OFF) exactly mean? > >>> -- > >>> Dawid 'evad' Lorenz * http://dawid.lorenz.co > >>> > >>> null:// I haven't lost my mind - it's backed up on disk somewhere > >>> > >>> _______________________________________________ > >>> Mailing list: https://launchpad.net/~hybrid-graphics-linux > >>> Post to : [email protected] > >>> Unsubscribe : https://launchpad.net/~hybrid-graphics-linux > >>> More help : https://help.launchpad.net/ListHelp > >>> > >> > >> > >> > >> -- > >> Dante Javier Paz > >> Instituto de Astronomía, Teórica y Experimental, IATE > >> Observatorio Astronómico de Córdoba > >> > >> Tel: (54) 351-4331066 ext 210 > >> Web: www.iate.oac.uncor.edu > >> > >> > >> Laprida 854 > >> X5000BGR - Córdoba > >> ARGENTINA > >> > > > > > > > > -- > > Dante Javier Paz > > Instituto de Astronomía, Teórica y Experimental, IATE > > Observatorio Astronómico de Córdoba > > > > Tel: (54) 351-4331066 ext 210 > > Web: www.iate.oac.uncor.edu > > > > > > Laprida 854 > > X5000BGR - Córdoba > > ARGENTINA > > > > > > _______________________________________________ > > Mailing list: https://launchpad.net/~hybrid-graphics-linux > > Post to : [email protected] > > Unsubscribe : https://launchpad.net/~hybrid-graphics-linux > > More help : https://help.launchpad.net/ListHelp > > > > > > _______________________________________________ > Mailing list: https://launchpad.net/~hybrid-graphics-linux > Post to : [email protected] > Unsubscribe : https://launchpad.net/~hybrid-graphics-linux > More help : https://help.launchpad.net/ListHelp >
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