probe::ioscheduler_trace.unplug_io.3stap man page

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.

See Also0

tapset::ioscheduler(3stap)

Info

March 2016 SystemTap Tapset Reference IO Scheduler and block IO Taps