It takes a format string, e.g.
syscall:sysctl:entry {
time("%+\n")
}
OK?
Index: bt.5
===================================================================
RCS file: /cvs/src/usr.sbin/btrace/bt.5,v
retrieving revision 1.2
diff -u -p -r1.2 bt.5
--- bt.5 27 Jan 2020 14:15:25 -0000 1.2
+++ bt.5 18 Mar 2020 19:42:16 -0000
@@ -117,8 +117,9 @@ Print all (key, value) pairs from map
.It Fn printf "fmt" ...
print formatted string
.Va fmt
-.It Fn time
-print formatted time
+.It Fn time timefmt
+print timestamps using
+.Xr strftime 3
.El
.Sh SEE ALSO
.Xr awk 1 ,
