Hi,
ext Rick Bilonick wrote:
> On Wed, 2008-07-16 at 13:54 -0600, Dr. Nicholas Shaw wrote:
> Thanks. I removed all of the "home" apps as suggested by another
> responder (I didn't remove the homeip app because I find it very
> useful.) That was early yesterday and the N810 has not reset itself
> since then nor have I gotten the "intensive cpu usage" message.
>
> The N810 is only about 6 weeks old. The battery seems to drain awfully
> quickly, and more quickly since I had the misbehaving apps causing
> intense cpu usage and frequent resets (I believe the intense cpu usage
> caused the resets). I'm wondering if this has drastically shortened the
> life of the battery.
Some things that you can try through SSH connection to check this
better:
- "top": is anything using CPU at all i.e. waking too often
(0.1% is too much when program isn't doing anything for you)?
- "xresponse -w 0 -i": is anything updating the screen unnecessarily.
After screen blanks, there should be *no* screen updates
- "strace -p <PID of suspicious process>": is process waking up
frequently or accessing network?
strace and xresponse can be installed with instructions from here:
http://maemo.org/development/tools/
When you're not using the device, I would recommend putting it to
offline mode, that's an option in the power-button menu that disables
all radios in the device (next time you need to use net, just OK
a dialog that the device gives you). This can make a large difference
if you have processes that like to often check things from the network.
(above could be added to good answers about battery usage I guess)
- Eero
PS. SSH connection is needed as using the above console tools
from XTerm would take too much CPU, do screen updates etc.
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