Good morning i want to enable some debug messages
concering htb and gred. The reason is that i want to
see the journey of the ip packet through the 2.6
kernel from the start to finish (ethernet interface up
to htb and gred classification).
In the sch_htc.c i have found the following
/* debugging support; S is subsystem, these are
defined:
0 - netlink messages
1 - enqueue
2 - drop & requeue
3 - dequeue main
4 - dequeue one prio DRR part
5 - dequeue class accounting
6 - class overlimit status computation
7 - hint tree
8 - event queue
10 - rate estimator
11 - classifier
12 - fast dequeue cache
L is level; 0 = none, 1 = basic info, 2 = detailed, 3
= full
q->debug uint32 contains 16 2-bit fields one for
subsystem starting
from LSB
*/
#ifdef HTB_DEBUG
#define HTB_DBG_COND(S,L) (((q->debug>>(2*S))&3) >= L)
#define HTB_DBG(S,L,FMT,ARG...) if (HTB_DBG_COND(S,L))
\
but still i don''t know what should i change in order
to see debug messages in my dmesg...
Also in the same file the following line exists
#define HTB_DEBUG 1 /* compile debugging support
(activated by tc tool) */
Do u know how i can use tc tool for viewing that debug
messages?
Thx a lot
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