[dtrace-discuss] DTrace instead of `lsof`?

[UNIX admin]

How would I replicate `lsof` functionality with DTrace?

I tried for example

dtrace -n 'syscall::open:entry /execname == $1/ {printf("%s", copyinstr(arg0));}' named

but that does not seem to work, at least not in the way I expect. What I expected to see was a list of open files that $1 has open, but instead I just got how many probes DTrace matched. And no further output.
 
 
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