PROBE::IOSCHEDULER_T(3stIO)Scheduler and block IO TPROBE::IOSCHEDULER_T(3stap)NAMEprobe::ioscheduler_trace.plug - Fires when a request queue is plugged;
SYNOPSIS
ioscheduler_trace.plug
VALUES
name
Name of the probe point
rq_queue
request queue
DESCRIPTION
ie, requests in the queue cannot be serviced by block driver.
SystemTap Tapset Reference November 2013 PROBE::IOSCHEDULER_T(3stap)