tapset::guru-delay.3stap - Man Page

Functions in the guru-delay tapset allow a probe handler to insert
deliberate delays.  This is sometimes useful as a fault-injection
aid.  Due to its likelihood of interference with the kernel, guru
mode is required, and overload-prevention is suppressed.

mdelay

millisecond delay

See function::mdelay(3stap)
for details.

udelay

microsecond delay

See function::udelay(3stap)
for details.

function::mdelay(3stap), function::udelay(3stap), stap(1), stapprobes(3stap)