Hi,
I've been playing around with the netback.c file in order to produce some log
statements with dimes to better understand when each function in the file is
called and I was having some trouble actually getting them to show up. I've
written log statements in the following functions using the printk function at
the beginning of each function below:
1.xenvif_rx_meta *get_next_rx_buffer()
2.void xenvif_rx_action()
3.int xenvif_tx_submit()
4.void xenvif_wait_for_rx_work()
5.int xenvif_kthread_guest_rx()
The I've not actually been able to see the log statements using dmesg at all.
I've inserted the en_netback module in the kernel and checked that it is being
used by the VM with the command lsmod | grep xen_netback.
I've booted up my virtual machine, and run a simple client server socket
program in localhost within the VM and still not seen a single log message from
the netback.c file being printed.
Can someone please advise me on where I can possibly insert log statements or
how I can use the VM to invoke the netback.c functions?
Thanks,
Jati
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