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I would like to record all filesystem activity so that I can later replay it at will (for benchmarking purposes). What's the best way of doing that?

I considered strace, but rejected that because it doesn't tell me when an mmaped file is being read or written (same for other LD_PRELOAD tricks).

inotify et all only tell when a file is being accessed (so I'm missing all the details of individual read/writes).

blktrace is great, but works at the wrong level (I need pathnames, not block offsets).

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