In section 18.1.1.2 Action Performed, it is unclear how out.txt was set up

[0mp]

Hi!

In Table 18-2 bpftrace Per-Event Costs, the exact setup of the out.txt file in row 18 (the entry with the "per event" test purpose) is a bit unclear.

As far as I know, > out.txt is not a valid bpftrace syntax. So my guess is that it is just a note to the reader that the output should be redirected. However, I'm not 100% sure so I'd to leave a note about it here in case someone would like to correct me.

Thanks!