#define KERN_EMERG "<0>" /* system is unusable*/ #define KERN_ALERT "<1>" /* action must be taken immediately*/ #define KERN_CRIT "<2>" /* critical conditions*/ #define KERN_ERR "<3>" /* error conditions*/ #define KERN_WARNING "<4>" /* warning conditions*/ #define KERN_NOTICE "<5>" /* normal but significant condition*/ #define KERN_INFO "<6>" /* informational*/ #define KERN_DEBUG "<7>" /* debug-level messages*/
cat /proc/sys/kernel/printk
1 4 1 7
src
https://www.thegeekdiary.com/printk-and-console-log-level/
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