Provided by: systemtap-doc_2.3-1ubuntu1_all bug

NAME

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

SYNOPSIS

       ioscheduler_trace.unplug_io

VALUES

       name
           Name of the probe point

       rq_queue
           request queue

DESCRIPTION

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