| 2016-05-30 07:51:51 |
Alberto Milone |
bug |
|
|
added bug |
| 2016-05-30 07:51:51 |
Alberto Milone |
attachment added |
|
Perf Output https://bugs.launchpad.net/bugs/1586933/+attachment/4672768/+files/perf_output |
|
| 2016-05-30 12:36:02 |
Alberto Milone |
ubuntu-drivers-common (Ubuntu): status |
Triaged |
In Progress |
|
| 2016-05-30 14:25:41 |
Alberto Milone |
nominated for series |
|
Ubuntu Xenial |
|
| 2016-05-30 14:25:41 |
Alberto Milone |
bug task added |
|
ubuntu-drivers-common (Ubuntu Xenial) |
|
| 2016-05-30 14:25:52 |
Alberto Milone |
ubuntu-drivers-common (Ubuntu Xenial): status |
New |
In Progress |
|
| 2016-05-30 14:25:55 |
Alberto Milone |
ubuntu-drivers-common (Ubuntu Xenial): importance |
Undecided |
High |
|
| 2016-05-30 14:25:57 |
Alberto Milone |
ubuntu-drivers-common (Ubuntu Xenial): assignee |
|
Alberto Milone (albertomilone) |
|
| 2016-06-06 12:05:25 |
Alberto Milone |
description |
Rather than calling drm directly, gpu-manager should simply check the outputs connector status by using the sysfs filesystem (e.g. /sys/class/drm/card0-HDMI-A-1/status, etc.), thus relying on data that is already available.
This should make gpu-manager a bit less resource intensive, especially on boot.
The attached perf shows the problem in gpu-manager. |
SRU request:
[Impact]
The current drm code to probe the connected outputs is too resource intensive, and slow down the boot process.
[Test Case]
1) Boot Ubuntu and run the following command, looking for gpu-manager:
systemd-analize blame
This will show how long gpu-manager took. Write down the number
2) Install the package from -proposed, and run systemd-analize blame. See if the number has become smaller.
[Regression Potential]
Low, all the changes are already included in Yakkety.
_____________________
Rather than calling drm directly, gpu-manager should simply check the outputs connector status by using the sysfs filesystem (e.g. /sys/class/drm/card0-HDMI-A-1/status, etc.), thus relying on data that is already available.
This should make gpu-manager a bit less resource intensive, especially on boot.
The attached perf shows the problem in gpu-manager. |
|
| 2016-06-06 12:05:38 |
Alberto Milone |
ubuntu-drivers-common (Ubuntu): status |
In Progress |
Fix Committed |
|
| 2016-06-06 12:06:44 |
Alberto Milone |
bug |
|
|
added subscriber Ubuntu Stable Release Updates Team |
| 2016-08-16 11:28:37 |
Launchpad Janitor |
ubuntu-drivers-common (Ubuntu): status |
Fix Committed |
Fix Released |
|
| 2016-09-07 13:15:53 |
Chris J Arges |
ubuntu-drivers-common (Ubuntu Xenial): status |
In Progress |
Fix Committed |
|
| 2016-09-07 13:15:56 |
Chris J Arges |
bug |
|
|
added subscriber SRU Verification |
| 2016-09-07 13:16:00 |
Chris J Arges |
tags |
|
verification-needed |
|
| 2016-09-22 02:23:12 |
Pranav Sharma |
tags |
verification-needed |
verification-done |
|
| 2016-09-22 17:09:10 |
Launchpad Janitor |
ubuntu-drivers-common (Ubuntu Xenial): status |
Fix Committed |
Fix Released |
|
| 2016-09-22 17:09:30 |
Brian Murray |
removed subscriber Ubuntu Stable Release Updates Team |
|
|
|
| 2016-10-12 13:59:36 |
dmylnikov |
bug |
|
|
added subscriber dmylnikov |
