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Other Ways To Optimize Your Linux Battery Life

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  • #11
    We invite you to netext73.pl. Home Page for now only in Polish - soon also in English. The program itself will automatically switch to English or French - based on system settings.

    Program and delivered solutions are tailored to Ubuntu and derivatives systems, such as Mint, elemntary, and soon Debian / Steam OS

    The program distributes Netext'73 my solution: kernels, energy management and efficiency scripts - APM, the latest microcode / Linux firmware and the appropriate entries in Grub.

    Installation of these components allows for improvement: productivity, responsiveness, energy efficiency and security.

    With solutions used can achieve the results outlined below:

    Energy - Kubuntu 14.04 - idle mode - Lenovo Yoga 2 Pro:

    640 mW = 0.6 watts - kernel v28.8-i7-pro - other solutions referred to above

    http://www.netext73.pl/2014/03/kolejny-may-rektord.html

    301 mW> 0.3 watts - kernel v29.0-i7-pro - Lenovo Yoga 2 Pro + other solutions which

    http://www.netext73.pl/2014/04/kernele-v29x-juz-sa.html

    MSI X370 - AMD APU E-350 - Kubuntu 12.10:

    4.01 watt - kernel v26.1-brazos - other solutions referred to above

    http://dl.dropboxusercontent.com/u/7....1-ext73-1.png

    4.02 watt - kernel v26.1-brazos - other solutions referred to above

    https://dl.dropboxusercontent.com/u/....1-ext73-2.png

    Under the current kernels is sometimes better

    Responsiveness and efficiency of the system:

    http://www.netext73.pl/2014/02/przyk...-apm-oraz.html

    greetings

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    • #12
      pervasive powersaving udev rules, throttle script, indicator-powersave

      Last week I got a little manic about powersaving and condensed many sources recommendations into some useful tools.

      All the details are in this post on the archlinux bbs.

      Neither the udev rules, the script, nor the (optional, wip) indicator are archlinux-specific.

      The udev rules use several wildcards and conditionals to effect setting powersaving modes across a large variety of devices with as few individual rules as possible. The script switches powersaving mode on and off at the user's discretion. The strictly optional indicator, which is really just a few patches--available in the AUR--against indicator-cpufreq, provides a
      GUI for the script.

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      • #13
        Install laptop-mode-tools

        On the stock ubuntu 12.04 my power usage went from 13watts to 9.5watts.

        Enjoy.

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        • #14
          LMT is deprecated. TLP is the way to go. And its automatic.

          @savvys
          There's a ton of possible tweaks. Which are NOT implemented by TLP?
          When TLP is active Powertop shows no tweaks are enabled. What does it mean? I'm asking because no other scripting tools can be used in parallel to TLP.

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          • #15
            Originally posted by ext73 View Post
            Energy - Kubuntu 14.04 - idle mode - Lenovo Yoga 2 Pro:

            640 mW = 0.6 watts - kernel v28.8-i7-pro - other solutions referred to above

            http://www.netext73.pl/2014/03/kolejny-may-rektord.html

            301 mW> 0.3 watts - kernel v29.0-i7-pro - Lenovo Yoga 2 Pro + other solutions which

            http://www.netext73.pl/2014/04/kernele-v29x-juz-sa.html
            That machine has a 50Wh battery, so 640mW draw works out at 78 hours (over three days) battery life. What's that active standby, with everything bar the CPU turned off? Even for that I'm impressed. Sure something's not wrong with that figure?

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            • #16
              Originally posted by Cyborg16 View Post
              That machine has a 50Wh battery, so 640mW draw works out at 78 hours (over three days) battery life. What's that active standby, with everything bar the CPU turned off? Even for that I'm impressed. Sure something's not wrong with that figure?
              As I wrote here we have the result in idle mode = machine "nothing" does not and has blanked the screen - this is a screenshot after the activation. During normal operation, such as active: Chrome, LibreOffice, console, etc., gets about 5-7 watts - this in my series of kernels Premium - here i7-pro - Dedicated for Intel Haswell family. Similarly X370 - AMD APU E-350 in idle mode from 3.8 to 4.5 Watt, and from 5.90 to 7 watts during eg typing text into LibreOffice or viewing pages on which there is little flash.

              greetings

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