DOKK / manpages / debian 12 / systemtap-doc / function::printk.3stap.en
FUNCTION::PRINTK(3stap) Logging Tapset FUNCTION::PRINTK(3stap)

function::printk - Send a message to the kernel trace buffer



    printk(level:long,msg:string)

level

an integer for the severity level (0=KERN_EMERG ... 7=KERN_DEBUG)

msg

The formatted message string

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.

tapset::logging(3stap)

November 2022 SystemTap Tapset Reference