** Tags added: touch-2014-09-25
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Touch seeded packages, which is subscribed to location-service in
Ubuntu.
https://bugs.launchpad.net/bugs/1350871
Title:
location service is waking up at 10Hz causing possible unwanted
wakeups
Status in “location-service” package in Ubuntu:
New
Bug description:
I've observed that location service is waking up ~10 times per second
due to a 100ms sleep
ps -ax | grep 2295
2295 ? Ssl 0:00 /usr/bin/ubuntu-location-serviced --bus system
--provider gps::Provider
eventstat shows it's the top waking userspace process on the phone:
root@ubuntu-phablet:/# eventstat 300 1
Event/s PID Task Init Function Callback
9.99 2304 ubuntu-location hrtimer_start_range_ns hrtimer_wakeup
health-check shows that this is occuring in a 100ms nanosleep() system
call.
Attached is the output from health-check. Is is possible to use a
select() or poll() rather than a 10Hz non-blocking delay loop to
reduce polling wakeups?
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