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

probe::ioscheduler.elv_add_request - probe to indicate request is added to the request queue.

ioscheduler.elv_add_request

disk_major

Disk major no of request.

elevator_name

The type of I/O elevator currently enabled.

q

Pointer to request queue.

rq_flags

Request flags.

disk_minor

Disk minor number of request.

rq

Address of request.

tapset::ioscheduler(3stap)

April 2024 SystemTap Tapset Reference