probe::ioscheduler_trace.plug(3stap)

probe::ioscheduler_trace.plug - Fires when a request queue is plugged;

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;

probe ioscheduler_trace.plug {}

name

Name of the probe point

rq_queue

request queue

ie, requests in the queue cannot be serviced by block driver.