Provided by: systemtap-doc_2.9-2ubuntu2_all bug

NAME

       probe::ioscheduler_trace.plug - Fires when a request queue is plugged;

SYNOPSIS

       ioscheduler_trace.plug

VALUES

       rq_queue
           request queue

       name
           Name of the probe point

DESCRIPTION

       ie, requests in the queue cannot be serviced by block driver.

SEE ALSO

       tapset::ioscheduler(3stap)