It's usually custom scripts, I'm not aware of a standard tool. You fill up the file system and then do lots of operations that cause fragmentation. Actually he

It's usually custom scripts, I'm not aware of a standard tool. You fill up the file system and then do lots of operations that cause fragmentation. Actually here is a recent paper discussing this (although the basic concept is much older): https://arxiv.org/abs/2401.08858 https://arxiv.org/abs/2401.08858