Test scenario: Clean install with developer mode so I can access the device via adb shell. Device is on the lock screen, sitting idle, so essentially is should be doing not a lot.
I ran eventstat to see which processes are generating the most wakeups: root@ubuntu-phablet:~# eventstat 60 1 Event/s PID Task Init Function Callback 87.00 0 [swapper/0] hrtimer_start_range_ns tick_sched_timer 39.05 3759 scopes_ng::Scop hrtimer_start_range_ns hrtimer_wakeup 16.68 5 [kworker/u:0] hwmsen_work_func hwmsen_poll 10.00 3951 ubuntu-location hrtimer_start_range_ns hrtimer_wakeup Then I strace'd PID 3759, strace -p 3759 -e connect -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1364464 Title: unity8-dash has a thread that is polling rather rapidly on epoll wait To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity-scopes-api/+bug/1364464/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs