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

NAME
function::qsq_wait_queue_length - length of wait queue
SYNOPSIS
qsq_wait_queue_length:long(qname:string,scale:long)
ARGUMENTS
qname
queue name
scale
scale variable to take account for interval fraction
DESCRIPTION
This function returns the average length of the wait queue
SystemTap Tapset Reference March 2016 FUNCTION::QSQ_WAIT_Q(3stap)