Detailed Monitoring With pfctl -vvsq

pfctl -vvsq gives you a detailed view of queues, updating

queue rootq on xl0 bandwidth 20M qlimit 50
  [ pkts:          0  bytes:          0  dropped pkts:      0 bytes:      0 ]
  [ qlength:   0/ 50 ]
  [ measured:     0.0 packets/s, 0 b/s ]
queue main parent rootq on xl0 bandwidth 20M, min 1M, max 20M qlimit 100
  [ pkts:          0  bytes:          0  dropped pkts:      0 bytes:      0 ]
  [ qlength:   0/100 ]
  [ measured:     0.0 packets/s, 0 b/s ]
queue qdef parent main on xl0 bandwidth 9M, min 6M, max 18M default qlimit 50
  [ pkts:       1051  bytes:     302813  dropped pkts:      0 bytes:      0 ]
  [ qlength:   0/ 50 ]
  [ measured:     2.6 packets/s, 5.64Kb/s ]
queue qweb parent main on xl0 bandwidth 9M, min 6M, max 18M qlimit 50
  [ pkts:       1937  bytes:    1214950  dropped pkts:      0 bytes:      0 ]
  [ qlength:   0/ 50 ]
  [ measured:     3.6 packets/s, 13.65Kb/s ]
queue qpri parent main on xl0 bandwidth 600K, max 1M qlimit 50
  [ pkts:       2169  bytes:     143302  dropped pkts:      0 bytes:      0 ]
  [ qlength:   0/ 50 ]
  [ measured:     6.6 packets/s, 3.55Kb/s ]
queue qdns parent main on xl0 bandwidth 200K, min 12K burst 600K for 3000ms qlimit 50
  [ pkts:        604  bytes:      65091  dropped pkts:      0 bytes:      0 ]
  [ qlength:   0/ 50 ]
  [ measured:     1.6 packets/s, 1.31Kb/s ]
queue spamd parent rootq on xl0 bandwidth 1K, max 1K qlimit 300
  [ pkts:        884  bytes:      57388  dropped pkts:      0 bytes:      0 ]
  [ qlength: 176/300 ]
  [ measured:     1.9 packets/s, 1Kb/s ]