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

NAME

probe::ioscheduler_trace.elv_requeue_request - Fires when a request is

SYNOPSIS

ioscheduler_trace.elv_requeue_request

VALUES

disk_major

Disk major no of request.

elevator_name

The type of I/O elevator currently enabled.

rq

Address of request.

name

Name of the probe point

rq_flags

Request flags.

disk_minor

Disk minor number of request.

DESCRIPTION

put back on the queue, when the hadware cannot accept more requests.

SEE ALSO0

tapset::ioscheduler(3stap)

October 2025 SystemTap Tapset Reference