On Dell XPS L501x BEFORE: ketan@ubuntu-ketan:~$ grep rate $cat /proc/acpi/battery/BAT0/state present rate: 2354 mW
AFTER: ketan@ubuntu-ketan:~$ grep rate $cat /proc/acpi/battery/BAT0/state present rate: 1888 mW On Wed, Feb 9, 2011 at 8:26 PM, Dante Paz <[email protected]> wrote: > > 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 >> > > > > > _______________________________________________ > 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 > > -- Regards, Ketan Deshmukh
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