Extensive battery drain on OPO

[tomoqv]

• Device: Bacon
• Channel: Devel
• Build: r205

Steps to reproduce

1. Charge the phone
2. Watch the battery drain really fast

Expected behavoir

Battery drain of <5% per hour

Actual behavior

Battery drain of 7-10% per hour, with light use or idle

Logfiles and additional information

I have wifi, cellular (2G/3G/4G), bluetooth and location on, but the battery lasts shorter than it used to. I get about 11-12 hours until battery reaches critical level of <10%, sometimes shorter.

[Flohack74]

Can you connect via adb, let "top" command execute, and then lock the device? See the processor load, is smth there using more than a few percent?

[tomoqv]

Hi @Flohack74 , sorry, I got tired of the battery drain and switched back to devel again after I posted this bug report. It seems battery performance is a lot better now, albeit not excellent - about 5% per hour. I'll let you know if I return to stable again.
Thanks!

[dark-eye]

Maybe It will be a good idea to add the pidstat tool or sar tool to the next OTA this will allow people to find rogue processes the uses too much resources

[NeoTheThird]

I switched to my Oneplus One as a daily driver, and it usually gets me through the day. Since i didn't use it before OTA-2, i don't have anything to compare it to, though. Do you have apps running in the background?

[tomoqv]

Not that I am aware of. I thought that normally UT didn't run apps in the background. Here is what top looks like on my device a minute ago:

top - 17:02:57 up 10:15,  1 user,  load average: 14.05, 23.56, 17.24
Tasks: 332 total,   3 running, 290 sleeping,  17 stopped,  22 zombie
%Cpu(s): 30.3 us, 31.8 sy,  0.0 ni, 37.8 id,  0.0 wa,  0.0 hi,  0.1 si,  0.0 st
KiB Mem:   2962608 total,  2876584 used,    86024 free,   141872 buffers
KiB Swap:    32764 total,      680 used,    32084 free.   671116 cached Mem

  PID USER      PR  NI    VIRT    RES    SHR S  %CPU %MEM     TIME+ COMMAND     
 2551 phablet   20   0    7668   2956   1192 R  38.4  0.1   6:44.29 upstart     
 2688 phablet   20   0    5572    740    348 S  16.7  0.0   1:08.29 upstart-db+ 
 2594 phablet   20   0    5900   2468    808 R  12.8  0.1   1:04.70 dbus-daemon 
 2583 phablet   20   0    5380    712    528 S   4.9  0.0   0:50.70 upstart-ud+ 
 2687 phablet   20   0    5432    624    376 S   4.9  0.0   1:44.96 upstart-db+ 
 2694 phablet   20   0    5936    812    420 S   4.9  0.0   0:31.83 upstart-fi+ 
 2618 phablet   20   0    5304    892    744 S   4.6  0.0   0:28.58 upstart-ev+ 
 2959 phablet   20   0 1159488 512212 183476 S   2.0 17.3   6:00.08 unity8      
 5278 phablet   20   0   42976   3288   2592 S   2.0  0.1   0:03.40 zeitgeist-+ 
 5286 phablet   20   0   63252   7248   5632 S   2.0  0.2   0:04.90 zeitgeist-+ 
 3559 phablet   20   0   40276  12728   4992 S   1.6  0.4   0:04.13 python3     
 2725 phablet   20   0   41992   5348   3956 S   1.3  0.2   0:06.37 mission-co+ 
11346 phablet   20   0    6260   1304    808 R   1.3  0.0   0:00.70 top         
    3 root      20   0       0      0      0 S   0.7  0.0   0:36.27 ksoftirqd/0 
 2619 phablet   20   0    2968   1104    932 S   0.7  0.0   0:01.16 mpris-proxy 
 2640 phablet   20   0   29444   2932   2416 S   0.7  0.1   0:02.35 gnome-keyr+ 
  143 root      rt   0       0      0      0 S   0.3  0.0   0:35.07 cfinteract+

[Rom4nB]

I also experience with normal use 15% akku drain with the N5 per hour (OTA2 stable).

The phone gets also quite warm (which is not the case with LineageOS) in the upper part, which indicates strong chip activity.

Example screenshot (30% in 2h):

With LineageOS on the same device battery life was 24-36h (depending on usage, normal mode in Android, with the "energy safing mode" of Android it would last much longer), but regarding internet reports the LineageOS seems to be one of the most modest battery-usage ROMs available for the N5, so it seems to be "kind of maximum possible".

[tomoqv]

Title of this bug could maybe change from "extreme" to "extensive". Battery on my OPO usually does not last me through the day even with light use. I get about 12-14 hours, which averages at about 7% per hour drain.

[Flohack74]

@tomoqv from your screenshot I see there is too much activity on upstart. Is this on stable 15.04?

[tomoqv]

Hi @Flohack74 , I am on Devel r205 now and can't even adb into my OPO now. I get the error: device offline, which is probably related to this #13. However, running top in terminal on the device itself shows similar data as above, i.e. a lot of upstart* stuff.

My battery now is at 44%, only 6+ hours since fully charged.

[tomoqv]

Now adb shell worked. Here is top:

PID USER      PR  NI    VIRT    RES    SHR S  %CPU %MEM     TIME+ COMMAND     
 2580 phablet   20   0   12072   7348   1192 S  39.9  0.2  12:02.01 upstart     
 2713 phablet   20   0    5568    756    348 R  15.5  0.0   3:11.35 upstart-db+ 
 2628 phablet   20   0    6436   3092    808 R  11.9  0.1   2:42.72 dbus-daemon 
 2717 phablet   20   0    5308    592    372 S   4.9  0.0   3:05.10 upstart-db+ 
 2720 phablet   20   0    5936    816    420 S   4.9  0.0   1:15.79 upstart-fi+ 
 2609 phablet   20   0    5380    708    528 S   4.6  0.0   1:36.82 upstart-ud+ 
 2647 phablet   20   0    5304    892    744 S   4.6  0.0   1:10.74 upstart-ev+ 
 2967 phablet   20   0 1235680 576072 191456 S   2.6 19.4   7:01.02 unity8      
 5843 phablet   20   0  611156 112180  79528 S   2.3  3.8   9:38.28 webapp-con+ 
 3506 phablet   20   0   40276  12716   4988 S   1.6  0.4   0:15.14 python3     
 5868 phablet   20   0   42976   3292   2596 R   1.6  0.1   0:25.80 zeitgeist-+ 
 5880 phablet   20   0   63304   7212   5636 S   1.6  0.2   0:15.86 zeitgeist-+ 
 5993 phablet   20   0  349296  72696  24380 S   1.6  2.5   4:17.07 oxide-rend+ 
10646 phablet   20   0    6260   1288    808 R   1.3  0.0   0:00.27 top         
 2754 phablet   20   0   41728   5100   3972 S   1.0  0.2   0:31.17 mission-co+ 
  865 root      20   0   47700   2492   1580 S   0.7  0.1   1:27.74 Binder_2    
 2669 phablet   20   0   28420   2916   2408 R   0.7  0.1   0:06.44 gnome-keyr+ 

[BlueKenny]

On Stable and Devel I habe no problem like this

[ChloeWolfieGirl]

RC-proposed if I unplug my phone, and dont use it, by the end of the day its dead, but I dont know if thats my battery getting worse.