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This article mainly analyzes the relevant knowledge points of how to print log timestamps in Linux system, the content is detailed and easy to understand, the operation details are reasonable, and has a certain reference value. If you are interested, you might as well follow the editor to have a look, and follow the editor to learn more about "how the Linux system prints log timestamps".

How does the Linux system print log timestamps?

When compiling the Linux kernel, configure: make menuconfig-> Kernel hacking-> show timing information on printks

When this option is selected, the kernel is started with a timestamp in front of the log information.

As you can see from the output below, the time is accurate to microseconds (us).

It is as follows:

Uncompressing Linux... Done, booting the kernel. [0.000000] Linux version 2.6.35.7 + (bshen@bamboo) (gcc version 4.4.1 (Sourcery gaming + Lite 2010q1-202)) # 109 PREEMPT Mon Nov 14 15:11:15 CST 2011 [0.000000] CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=00053177 [0.000000] CPU: VIVT data cache, VIVT instruction cache

What are the versions of Linux? the versions of Linux are Deepin, UbuntuKylin, Manjaro, LinuxMint, Ubuntu and so on. Among them, Deepin is one of the best-developed Linux distributions in China; UbuntuKylin is a derivative release based on Ubuntu; Manjaro is a Linux release based on Arch; LinuxMint's default Cinnamon desktop is similar to Windows XP's easy-to-use; Ubuntu is the Linux operating system based on desktop applications.

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