zimoun skribis: > On Tue, 04 Oct 2022 at 23:49, Ludovic Courtès wrote: > >> Maybe a good test would be to run a daemon on an “average” HDD with >> sync-before-registering = true and to run ‘perf timechart record’ while >> it’s fetching a large number of substitutes. That way we’d have >> concrete data to talk about. > > What is ’perf timechart record’? It’s a tool of Linux’s ‘perf’—see ‘guix install perf’. HTH! Ludo’.