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, Jatin
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