https://aiotcloud.nxp.com.cn/article/using-printk-to-debug-linux
https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/9/html/managing_monitoring_and_updating_the_kernel/configuring-kernel-command-line-parameters_managing-monitoring-and-updating-the-kernel
https://www.baeldung.com/linux/get-kernel-command-line-parameters
cat /proc/cmdline
dmesg | grep "Command line"