1PROBE::IOSCHEDULER_T(3staIpO)Scheduler and block IO TaPpRsOBE::IOSCHEDULER_T(3stap)
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NAME

6       probe::ioscheduler_trace.unplug_io - Fires when a request queue is
7       unplugged;
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SYNOPSIS

10       ioscheduler_trace.unplug_io
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VALUES

13       name
14           Name of the probe point
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16       rq_queue
17           request queue
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DESCRIPTION

20       Either, when number of pending requests in the queue exceeds threshold
21       or, upon expiration of timer that was activated when queue was plugged.
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SEE ALSO

24       tapset::ioscheduler(3stap)
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28SystemTap Tapset Reference         June 2018       PROBE::IOSCHEDULER_T(3stap)