PROBE::IOSCHEDULER_T(3stap)                      IO Scheduler and block IO Taps                      PROBE::IOSCHEDULER_T(3stap)



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.



SystemTap Tapset Reference                                 August 2011                               PROBE::IOSCHEDULER_T(3stap)