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

probe::ioscheduler.elv_add_request.kp - kprobe based probe to indicate that a request was added to the request queue

ioscheduler.elv_add_request.kp

disk_minor

Disk minor number of the request

rq

Address of the request

rq_flags

Request flags

disk_major

Disk major number of the request

elevator_name

The type of I/O elevator currently enabled

q

pointer to request queue

name

Name of the probe point

tapset::ioscheduler(3stap)

November 2023 SystemTap Tapset Reference