On Monday, February 9, 2015, Colin Ian King <1372...@bugs.launchpad.net> wrote: > I've correlated each processes against the spike in activity for upowerd > and also see that mpdecision and systemd-udevd also change their > behaviors at that transition. See attached spreadsheet.
mpdecision is the proprietary service that changes the cpu clock and enable/disable the other cpus, so that is just a side effect of others taking more cpu processing. > ** Attachment added: "upowerd-procs.ods" > https://bugs.launchpad.net/ubuntu/+source/powerd/+bug/1372413/+attachment/4315533/+files/upowerd-procs.ods > > -- > You received this bug notification because you are subscribed to powerd > in Ubuntu. > https://bugs.launchpad.net/bugs/1372413 > > Title: > Extensive battery drain on RTM > > Status in the base for Ubuntu mobile products: > In Progress > Status in powerd package in Ubuntu: > Confirmed > > Bug description: > Mako, RTM 1 > > Since upgrading to RTM the battery life is really poor. What used to > be a battery drain of 5-10% per hour (which is still high) is now > 10-15% per hour. Sometimes the phone runs really hot, so there seem to > be something going on in the background that is consuming power. I > mostly have bluetooth, GPS (which isn't always working), wifi and > cellular on, but that's no difference from when I was running 'devel- > proposed' with MultiROM with much less battery consumption. > > As an example, I started with a full charge at 7am. After some web > surfing (<15 mins) and watching a couple of youtube videos (on wifi) > battery was down to 66% at 9:15. That's 34% in just over two hours! I > recharged again before lunch and had the phone idle until coming back > 1 hour and 45 mins later to find only 75% of battery left, this time > without the phone running particularly hot. > > To manage notifications about this bug go to: > https://bugs.launchpad.net/canonical-devices-system-image/+bug/1372413/+subscriptions > -- Ricardo Salveti de Araujo -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1372413 Title: Extensive battery drain on RTM To manage notifications about this bug go to: https://bugs.launchpad.net/canonical-devices-system-image/+bug/1372413/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
