probe::ioscheduler_trace.unplug_io - Fires when a request queue is unplugged;

       Either, when number of pending requests in the queue exceeds threshold or, upon expiration of timer that
       was activated when queue was plugged.

       probe::ioscheduler_trace.unplug_io - Fires when a request queue is unplugged;

tapset::ioscheduler(3stap)

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

       ioscheduler_trace.unplug_io

rq_queue
           request queue

       name
           Name of the probe point