Re: Tracing dropped UDP packets

2016-04-20 Thread Navdeep Parhar
On 04/15/2016 22:38, bazzoola wrote: > Greetings, > > I would like to know where (in the kernel) UDP packets are dropped. Have you tried netstat -sp udp ? If the drops show up in some counter there then you can look at the kernel code to see where the counter is incremented. Regards, Navdeep >

Tracing dropped UDP packets

2016-04-15 Thread bazzoola
Greetings, I would like to know where (in the kernel) UDP packets are dropped. I looked at udp_usrreq.c but is overwhelming for the 1st time. Is it possible to use DTrace to locate where the packets are being dropped? or is there a tool similar to 'dropwatch' which can tell me where in the kernel