| 2013-07-08 17:42:45 |
Colin Ian King |
bug |
|
|
added bug |
| 2013-07-08 18:17:44 |
Colin Ian King |
description |
I started up the clock app on a samsung galaxy nexus and I'm seeing:
vmstat 10
procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu----
r b swpd free buff cache si so bi bo in cs us sy id wa
0 0 0 102692 24996 193240 0 0 103 4 628 1324 16 9 75 0
0 0 0 102708 24996 193240 0 0 0 0 1092 2915 17 11 72 0
0 0 0 102708 24996 193240 0 0 0 0 1059 2850 15 11 73 0
2 0 0 102708 24996 193240 0 0 0 0 1069 2848 16 11 74 0
0 0 0 104284 24996 193240 0 0 0 0 1046 2935 16 11 73 0
2 0 0 104256 25012 193240 0 0 0 6 1019 2812 16 10 74 0
so that's ~2500 context switches/sec above the normal "idle" rate and I'm seeing ~25% of available CPU being burnt just to display a clock. Isn't that a big power hungry? |
I started up the clock app on a samsung galaxy nexus and I'm seeing:
vmstat 10
procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu----
r b swpd free buff cache si so bi bo in cs us sy id wa
0 0 0 102692 24996 193240 0 0 103 4 628 1324 16 9 75 0
0 0 0 102708 24996 193240 0 0 0 0 1092 2915 17 11 72 0
0 0 0 102708 24996 193240 0 0 0 0 1059 2850 15 11 73 0
2 0 0 102708 24996 193240 0 0 0 0 1069 2848 16 11 74 0
0 0 0 104284 24996 193240 0 0 0 0 1046 2935 16 11 73 0
2 0 0 104256 25012 193240 0 0 0 6 1019 2812 16 10 74 0
so that's ~2500 context switches/sec above the normal "idle" rate and I'm seeing ~25% of available CPU being burnt just to display a clock. That's really power hungry. |
|
| 2013-07-08 18:18:15 |
Nekhelesh Ramananthan |
ubuntu-clock-app: status |
New |
Confirmed |
|
| 2013-07-08 18:18:18 |
Nekhelesh Ramananthan |
ubuntu-clock-app: importance |
Undecided |
High |
|
| 2013-07-08 18:18:23 |
Nekhelesh Ramananthan |
ubuntu-clock-app: milestone |
|
coreapps-13.10-month-3 |
|
| 2013-07-09 14:15:00 |
Colin Ian King |
tags |
|
mobile-power-consumption |
|
| 2013-07-16 19:04:33 |
Nekhelesh Ramananthan |
ubuntu-clock-app: milestone |
coreapps-13.10-month-3 |
usable-state |
|
| 2013-08-08 14:10:11 |
Colin Ian King |
tags |
mobile-power-consumption |
mobile-power-consumption rls-s-incoming |
|
| 2013-08-30 07:44:23 |
David Planella |
ubuntu-clock-app: status |
Confirmed |
Triaged |
|
| 2013-09-02 10:03:36 |
David Planella |
ubuntu-clock-app: milestone |
usable-state |
hack-days-13-09 |
|
| 2013-10-05 10:27:30 |
Nekhelesh Ramananthan |
ubuntu-clock-app: milestone |
final-1.0 |
backlog |
|
| 2013-10-19 16:12:54 |
Nekhelesh Ramananthan |
ubuntu-clock-app: milestone |
backlog |
1.4 |
|
| 2014-01-13 12:20:39 |
Nekhelesh Ramananthan |
ubuntu-clock-app: milestone |
1.4 |
1.8 |
|
| 2014-02-17 14:21:31 |
Nekhelesh Ramananthan |
ubuntu-clock-app: status |
Triaged |
In Progress |
|
| 2014-02-17 14:21:33 |
Nekhelesh Ramananthan |
ubuntu-clock-app: assignee |
|
Nekhelesh Ramananthan (nik90) |
|
| 2014-02-17 14:21:36 |
Nekhelesh Ramananthan |
ubuntu-clock-app: milestone |
1.8 |
1.6 |
|
| 2014-02-19 09:48:33 |
Nekhelesh Ramananthan |
branch linked |
|
lp:~nik90/ubuntu-clock-app/performance-patch-1 |
|
| 2014-02-19 11:38:49 |
Ubuntu Phone Apps Jenkins Bot |
ubuntu-clock-app: status |
In Progress |
Fix Committed |
|
| 2014-02-20 10:30:08 |
Nekhelesh Ramananthan |
ubuntu-clock-app: status |
Fix Committed |
Fix Released |
|
