3 ms·

There are definitely pathological cases around. Here's an 8 year old bug, still valid, that's a common extreme slowdown when copying to/from a USB drive: https

• rogers18445 5y ago
  It sometimes manifests as audio stuttering (the kind which sounds like unstable sample rate) which suggests a lot of context switching, perhaps a scheduler problem. Had this problem intermittently and seemingly at random for many years. Sometimes would happen all day, then nothing for months. Quite Bizarre.