PROBE::IOSCHEDULER_T(3stap) IO Scheduler and block IO Taps PROBE::IOSCHEDULER_T(3stap)
NAME
probe::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 August 2011 PROBE::IOSCHEDULER_T(3stap)