PROBE::IOSCHEDULER_T(3stIO)Scheduler and block IO TPROBE::IOSCHEDULER_T(3stap)NAMEprobe::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 November 2013 PROBE::IOSCHEDULER_T(3stap)