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PROBE::IO(3stap) IO Scheduler and block IO Taps PROBE::IO(3stap)

probe::ioscheduler_trace.unplug_io
 

NAME

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.
May 2013 SystemTap Tapset Reference