1PROBE::IOSCHEDULER_T(3staIpO)Scheduler and block IO TaPpRsOBE::IOSCHEDULER_T(3stap)
2
3
4

NAME

6       probe::ioscheduler_trace.unplug_io - Fires when a request queue is
7       unplugged;
8

SYNOPSIS

10       ioscheduler_trace.unplug_io
11

VALUES

13       name
14           Name of the probe point
15
16       rq_queue
17           request queue
18

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.
22

SEE ALSO

24       tapset::ioscheduler(3stap)
25
26
27
28SystemTap Tapset Reference         May 2021        PROBE::IOSCHEDULER_T(3stap)