Printk second output

Question

When I type (KERN_INFO, ...), I get something like this:

<6> [116584.000183] ...

What is the number between square brackets exactly?

+3

Mohammad moghimi Mar 21 '11 at 12:26

2 answers

Seconds from launch. You can control whether this is displayed using a variable CONFIG_PRINTK_TIMEin the kernel configuration.

+4

jho Mar 21 '11 at 12:33

Fred foo · Accepted Answer · 2011-03-21T12:35:30+0000

This is a microsecond resolution timestamp. See the source printk.