Provided by: systemtap-doc_2.3-1ubuntu1.4_all
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.