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Message #19583
[Bug 1234743] Missing required logs.
This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:
apport-collect 1234743
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1234743
Title:
init on samsung galaxy nexus is busy and consuming memory when playing
an mp4
Status in “linux” package in Ubuntu:
Incomplete
Status in “upstart” package in Ubuntu:
Incomplete
Bug description:
Playing an mp4 on a Samsung Galaxy Nexus using today's image (3 Oct
2013) for 30 minutes I observed that init is busy and also consuming
heap quite rapidly.
Attached is the output from running health-check (found in PPA:colin-
king/white) on init pid 1114.
Key points:
1. messages being read/written at ~600 messages a second, hence the high context switch rate and ~4.9% CPU load.
2. heap consumption: ~30K a second using brk() and 2K a second via mmap
To reproduce:
Install health-check:
sudo add-apt-repository ppa:colin-king/white
sudo apt-get update && sudo apt-get install health-check
Download a large mp4 to the phone. Keep screen from blanking using:
sudo powerd-cli display on bright &
then play the mp4:
dbus-launch mediaplayer-app test.mp4
--desktop_file_hint=/usr/share/applications/mediaplayer-app.desktop
--stage_hint=main_stage
And then observe that init is busy for 300 seconds:
ps -e | grep init
1 ? 00:02:56 init
348 ? 00:00:00 init
1114 ? 00:03:22 init
sudo health-check -p 1114 -d 300
Attached are my results for a 30 minute run.
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