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Oracle OL: How To Add Timestamps To dmesg Kernel Boot Log (Doc ID 2070905.1)

Last updated on MAY 26, 2021

Applies to:

Linux OS - Version Oracle Linux 4.4 and later
Oracle VM - Version 3.0.1 and later
Oracle Cloud Infrastructure - Version N/A 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.


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