Provided by: systemtap-doc_2.3-1ubuntu1.4_all 

NAME
function::print_regs - Print a register dump
SYNOPSIS
print_regs()
ARGUMENTS
None
DESCRIPTION
This function prints a register dump. Does nothing if no registers are available for the probe point.
SystemTap Tapset Reference March 2016 FUNCTION::PRINT_REGS(3stap)