Reimplementing printk()

Posted Mar 6, 2019 10:46 UTC (Wed) by jogness (subscriber, #49775)
In reply to: Reimplementing printk() by Cyberax
Parent article: Reimplementing printk()

If you can call dmesg, I expect you can read /dev/kmsg as well. Take a look at the output of:

cat /dev/kmsg

The second field is the sequence number. You can read about the format here:

https://www.kernel.org/doc/Documentation/ABI/testing/dev-...