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I noticed a major slowdown on 2.2.2 Android, and it looks as though it's caused by too many logcat processes. With adb shell, I ran ps | wc -l and there were about 400 processes, after running killall logcat I ran the ps count again and there were around 200.

Even something as simple as ls would take like 10 seconds before, and after cleaning up all those Logcats it was instantaneous.

Is this a known bug in Android?

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  • I'm not sure what you were doing before this situation was established, but I don't know of such a bug. I just ran an adb shell "ps|grep logcat" against my device, and it returned nothing (crosschecked, not a single logcat process running). Maybe something specific to your device/ROM? Or to what you where doing just before? – Izzy♦ Jan 17 '14 at 7:47
  • It can be caused by an app you've installed on your phone... – Matthieu Harlé Jan 17 '14 at 8:36
  • Shywim, I don't remember any apps that mess with logcat. Izzy, are you using an app that has Logcat enabled? – NoBugs Jan 18 '14 at 5:49
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It's a known issue with the Applocker app: http://code.google.com/p/applocker/issues/detail?id=8

It creates too many Linux processes, causing devices to slow way down due to lack of memory.

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