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

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

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

tapset::ioscheduler(3stap)

SystemTap Tapset Reference                         April 2024                        PROBE::IOSCHEDULER_T(3stap)

       ioscheduler_trace.plug

name
           Name of the probe point

       rq_queue
           request queue