From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sebastian Spies Date: Fri, 29 Oct 2004 16:24:25 +0000 Subject: [LARTC] CBQ: sibling isolated-classes lend out bandwidth Message-Id: <1099067066.1643.4.camel@setebos> MIME-Version: 1 Content-Type: multipart/mixed; boundary="=-EdBOij6pxWI+fv0GYMXS" List-Id: To: lartc@vger.kernel.org --=-EdBOij6pxWI+fv0GYMXS Content-Type: text/plain Content-Transfer-Encoding: 7bit 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 --=-EdBOij6pxWI+fv0GYMXS Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 7bit

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>

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