Oracle OL: How To Add Timestamps To dmesg Kernel Boot Log

(Doc ID 2070905.1)

Last updated on OCTOBER 29, 2015

Applies to:

Linux OS - Version Oracle Linux 4.4 and later
Oracle VM - Version 3.0.1 and later
Linux x86-64


 During problem analysis or day-to-day operation, it is sometimes difficult to determine what exactly slows the system, especially during the boot process.  One contributor to this difficulty is output of the following command:

The kernel ring buffer is displayed but is not timestamped.  No information about the relative times of each entry is output.


Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms