ubuntu-phone team mailing list archive

[Michael Zanetti <michael.zanetti@xxxxxxxxxxxxx>]

On 21.09.2015 13:03, Marcus Moeller wrote:
> Hi all.
> 
>>> I tend to often switch between applications. On Ubuntu Phone, the
>>> applications are suspended which leads to the following effect:
>>>
>>> When I switch to an App it is first displayed in something like a sleep
>>> mode. The fonts look unsharp and fuzzy. It takes about 3-4 seconds for
>>> the app to wake up. During this time the app is not responding nor
>>> giving any thing (but the mentioned fuzziness) that it's waking up.
>>
>> What you're seeing is apps stopped by memory management. When your phone
>> requires more memory, it will stop apps in the background. That will
>> result in only a low-resolution screenshot being kept around. When you
>> switch to that app again, it will be restarted.
>>
>>>
>>> It would be great to have some kind of indication that the app resumes.
>>
>> Yes, you're right that there should be some sort of indication. There's
>> a bug report for it and design has given a solution for this already. It
>> needs to be implemented in unity8 still.
>>
>> https://bugs.launchpad.net/ubuntu/+source/unity8/+bug/1378267
>>
>>
>>> I would also like to be able to define the amount of time after an app
>>> falls in sleep mode, but I guess that is not possible to the general
>> design.
>>
>> The kernel will only start stopping apps when running out of memory. So
>> this hasn't anything to do with time really.
> 
> Meaning I run oom? How can I figure out which application consumes so
> much memory?

You can use "top" on the phone to get an impression of application's
memory consumption.

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