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TAPSET::IOSCHEDULER(3stap) TAPSET::IOSCHEDULER(3stap)

NAME

tapset::ioscheduler - systemtap ioscheduler tapset

DESCRIPTION


This family of probe points is used to probe IO scheduler activities.

Fires when a request is retrieved from the request queue

See probe::ioscheduler.elv_next_request(3stap)
for details.
Fires when a request retrieval issues a return signal

See probe::ioscheduler.elv_next_request.return(3stap)
for details.
Fires when a request is completed

See probe::ioscheduler.elv_completed_request(3stap)
for details.
kprobe based probe to indicate that a request was added to the request queue

See probe::ioscheduler.elv_add_request.kp(3stap)
for details.
tracepoint based probe to indicate a request is added to the request queue.

See probe::ioscheduler.elv_add_request.tp(3stap)
for details.
probe to indicate request is added to the request queue.

See probe::ioscheduler.elv_add_request(3stap)
for details.
Fires when a request is

See probe::ioscheduler_trace.elv_completed_request(3stap)
for details.
Fires when a request is

See probe::ioscheduler_trace.elv_issue_request(3stap)
for details.
Fires when a request is

See probe::ioscheduler_trace.elv_requeue_request(3stap)
for details.
Fires when a request is aborted.

See probe::ioscheduler_trace.elv_abort_request(3stap)
for details.
Fires when a request queue is plugged;

See probe::ioscheduler_trace.plug(3stap)
for details.
Fires when a request queue is unplugged;

See probe::ioscheduler_trace.unplug_io(3stap)
for details.
Fires when unplug timer associated

See probe::ioscheduler_trace.unplug_timer(3stap)
for details.

SEE ALSO

probe::ioscheduler.elv_next_request(3stap), probe::ioscheduler.elv_next_request.return(3stap), probe::ioscheduler.elv_completed_request(3stap), probe::ioscheduler.elv_add_request.kp(3stap), probe::ioscheduler.elv_add_request.tp(3stap), probe::ioscheduler.elv_add_request(3stap), probe::ioscheduler_trace.elv_completed_request(3stap), probe::ioscheduler_trace.elv_issue_request(3stap), probe::ioscheduler_trace.elv_requeue_request(3stap), probe::ioscheduler_trace.elv_abort_request(3stap), probe::ioscheduler_trace.plug(3stap), probe::ioscheduler_trace.unplug_io(3stap), probe::ioscheduler_trace.unplug_timer(3stap), stap(1), stapprobes(3stap)

November 2023 SystemTap Tapset Reference