[LARTC] CBQ: sibling isolated-classes lend out bandwidth

[Sebastian Spies <sspies@sloc.de>]

[-- Attachment #1: Type: text/plain, Size: 1202 bytes --]



How can it be, that class 1:3 in my case borrows, when all sibling
classes are isolated ?


nessus:~# tc -s -d class show dev eth1
class cbq 1: root rate 100Mbit cell 8b (bounded,isolated) prio
no-transmit/8 weight 100Mbit allot 1514b
level 2 ewma 5 avpkt 1000b maxidle 1us
Sent 484 bytes 7 pkts (dropped 0, overlimits 0)
  borrowed 0 overactions 0 avgidle 77 undertime 0

class cbq 1:1 parent 1: rate 768Kbit cell 8b (bounded,isolated) prio
no-transmit/8 allot 1500b
level 1 ewma 5 avpkt 1000b maxidle 3772us
Sent 0 bytes 0 pkts (dropped 0, overlimits 0)
  borrowed 47589 overactions 0 avgidle 123622 undertime 0

class cbq 1:2 parent 1:1 leaf 20: rate 702Kbit cell 8b (isolated) prio
no-transmit/8 weight 8985bps allot 1500b
level 0 ewma 5 avpkt 1000b maxidle 4129us
Sent 0 bytes 0 pkts (dropped 0, overlimits 0)
  borrowed 0 overactions 0 avgidle 135332 undertime 0

class cbq 1:3 parent 1:1 leaf 30: rate 64Kbit cell 8b (isolated) prio
no-transmit/8 weight 819bps allot 1500b
level 0 ewma 5 avpkt 1000b maxidle 45584us
Sent 68718965 bytes 47597 pkts (dropped 0, overlimits 0)
  borrowed 47589 overactions 0 avgidle -5.67627e+06 undertime 5.57184e
+06




Greets

Sebastian Spies <sspies@sloc.de>

[-- Attachment #2: Type: text/html, Size: 1783 bytes --]