function::printk
名称
function::printk — Send a message to the kernel trace buffer
Synopsis
printk(level:long,msg:string)
Arguments
level
- an integer for the severity level (0=KERN_EMERG ... 7=KERN_DEBUG)
msg
- The formatted message string
Description
Print a line of text to the kernel dmesg/console with the given severity. An implicit end-of-line is added. This function may not be safely called from all kernel probe contexts, so is restricted to guru mode only.