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Can Filelight analyze MTP devices (Android phone)? (lemy.lol)

submitted 4 months ago by [email protected] to c/[email protected]

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I was trying to analyze my phone's storage through Filelight, but it just gets frozen after I select the phone's folder. I didn't find anything in Bugzilla regarding this problem.
Is the protocol supported at all in the app?

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[–] [email protected] 7 points 4 months ago* (last edited 4 months ago) (1 children)

The MTP protocol is notoriously slow, as it will not multiplex block operations unlike traditional filesystems. It will not be able to process multiple files in parallel or asynchronously, which means the software can only check one file at a time.

So Filelight can probably handle it, but it will be highly inefficient and that would explain why the software appears frozen.

[–] [email protected] 1 points 4 months ago (2 children)

Oh, I didn't know that! It would kinda makes sense now that you say that, but I'm not too sure about this, the system resources taken by the app seem like they don't change at all when I start the scan and it's impossible to abort it (actually, I can't do anything, not even close the window, only terminating the app works).
If this is an actual issue I should probably report it, maybe there's more tests I can run?

Otherwise, do you know if there are similar apps (either GUI or CLI) that handle this better? Better in the sense that maybe it's still really slow, but, well, not freezing at least lol.
Or if I just have to find something to use on Android directly, like SD Maid

[–] [email protected] 2 points 4 months ago* (last edited 4 months ago) (1 children)

I don't think you can fix that, it's how MTP was designed.

Something on-device would have direct access to the filesystem, or at least the abstraction wouldn't be as slow as MTP.

Something like disky could do?

[–] [email protected] 1 points 4 months ago

Yeah, I guess there's nothing to be done there.
Thanks for the app suggestion, I've never seen it before, it looks really promising!

[–] [email protected] 2 points 4 months ago (1 children)

Resource usage is expected to stay minimal as there will be no multithreating possible, if I understood the comment correctly.

[–] [email protected] 1 points 4 months ago (1 children)

Yes, i got that, but isn't it still abnormal behavior not to respond to user input while performing the operation?

[–] [email protected] 1 points 4 months ago

Yes it is, I dont know the technical details but KDE tends to freeze a lot. I dont know if it is impossible? Why cant apps just have a UI that always works, and the process may freeze doesnt matter?