Flipper: Android log freezes the Flipper

[usrbowe]

🐛 Bug Report

I noticed when opening Flipper with connected Android device, the default pkugin will be Log, and this will try to display the logs from device logcat, but sometimes there is a lot of messages to process and it take freeze entire UI for one minute or so.
I tried to record the CPU usage of the Flipper process via DevTools (it would drop back to normal after another 30s):

To Reproduce

Connect Android device and open Flipper after. It should try to collect also previous logs and show them in Flipper. Some devices/apps will generate a lot so this will take some time for Flipper to process.

Environment

Device: Android
System: MacOS
Flipper: 0.52

[mweststrate]

@usrbowe thanks for reporting, for me this is usually instant. Do you know if there is a lot of messages, or very large lines that might cause this? If you have a saved profiler session that would be really great.

[usrbowe]

@mweststrate I can't share the log, but it's just massive amount of logs (so not a large lines). Even pure adb logcat will run for few seconds to log the older messages.
If there is a way, I would just limit max number of logs it will log from history.

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Actually similar would be great for Network plugin, sometimes there is 1k+ requests in queue (while in background) and there is no way to cancel the processing.

[mweststrate]

In flipper 0.81 we will no longer stream the old messages of the device logs, which should fix this problem. The network plugin will probably be optimised soon as well.