debian:~# squidclient -p 80 mgr:squidaio_counts
HTTP/1.0 200 OK
Server: squid/2.6.STABLE5
Date: Sun, 29 Apr 2007 13:27:09 GMT
Content-Type: text/plain
Expires: Sun, 29 Apr 2007 13:27:09 GMT
Last-Modified: Sun, 29 Apr 2007 13:27:09 GMT
X-Cache: MISS from debian.example.org.example.org
X-Cache-Lookup: MISS from debian.example.org.example.org:80
Via: 1.0 debian.example.org.example.org:80 (squid/2.6.STABLE5)
Connection: close

ASYNC IO Counters:
Operation       # Requests
open    0
close   0
cancel  0
write   0
read    0
stat    0
unlink  0
check_callback  0
queue   0
debian:~#