linux更改日志输出级别,如何修改arm Linux中Printk的等级
首先,printk有8个loglevel,定义在中,其中数值范围从0到7,数值越小,优先级越高。#defineKERN_EMERG"<0>"/* system is unusable*/系统崩溃#defineKERN_ALERT"<1>"/* action must be taken immediately*/必须紧急处理#defineKERN_CRIT"<2>.