maemo.org - Talk - View Single Post - [HELP] 50% CPU Use When "Off", Constant CPU Use ~10%

	Switch_	2011-02-02 , 16:11
	Posts: 601 \| Thanked: 549 times \| Joined on Mar 2010 @ Redditch, UK	#19

Originally Posted by ndi

Nothing runs when phone is hard off, not the OS not batterygraph.

Absolutely, that is precisely what I was most confused about - hard off = all systems, services and processes are dead; defunkt; killed; not running; unloaded from RAM; to all extents and purposes DO NOT EXIST! That's what had me so confused about the phone being hard off and yet still data somehow being sent to batterygraph. As you also state, takes data from the last known point and extrapolates it until next data point is taken would explain it.

Originally Posted by ndi

Note, however, that the phone is NOT off if it has power via USB, be it charging or connected to a PC or whatever. It boots to a minimal stage, where daemons like BME start but no user login (IIRC). If it is charging and "off" then the CPU might as well be at 50% for what I know but it's likely that in that stage data about load is not available.

Ah, now, you make a very good point there, one that I hadn't considered. BME must be running to charge the battery therefore there is minimal OS activity albeit background. Based on that you could potentially say that data can be passed to batterygraph as I would imagine that BME is one of the services that it pulls data from. From this you could also say that the processor is going to running threads, it's just a question of how many and how intensively.

Originally Posted by ndi

Anyhow, back to the point. There is no CPU when phone is off. Also, please use either batterygraph or the commandline to see voltage of battery when charged completely. (x-term command is "lshal | grep battery").

Potentially - see above.....? I'll take a look at mAh / V on full charge and let you know.

Originally Posted by ndi

You might have a feeble battery, as suggested. Oh, and, get cpumem-applet. It offers insight on CPU load all the time. Once it seems to not go down, use top or conky to see the troublemaker.

I use CPU-MEM Applet and have done for a loooooong time, it never reports considerable and sustained CPU activity or load unless I am performing a task that calls for it.

Originally Posted by ndi

Also, how many images, videos, sounds do you have? A bad/lot of media can have the tracker track for hours.

An absolute sh*tload - about 4.5Gb videos, 16Gb Music and about 2Gb images. Although I don't believe any of them are "bad". tracker never seems to rate highly in the list of running processes in conky.

Thanks for all the replies lads

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