tapset::ioscheduler

systemtap ioscheduler tapset

Provided by: systemtap-doc (Version: 5.0-2ubuntu1)
Source: systemtap
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DESCRIPTION

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

ioscheduler.elv_next_request: Fires when a request is retrieved from the request queue

: See probe::ioscheduler.elv_next_request(3stap)
for details.

ioscheduler.elv_next_request.return: Fires when a request retrieval issues a return signal

: See probe::ioscheduler.elv_next_request.return(3stap)
for details.

ioscheduler.elv_completed_request: Fires when a request is completed

: See probe::ioscheduler.elv_completed_request(3stap)
for details.

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

: See probe::ioscheduler.elv_add_request.kp(3stap)
for details.

ioscheduler.elv_add_request.tp: tracepoint based probe to indicate a request is added to the request queue.

: See probe::ioscheduler.elv_add_request.tp(3stap)
for details.

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

: See probe::ioscheduler.elv_add_request(3stap)
for details.

ioscheduler_trace.elv_completed_request: Fires when a request is

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

ioscheduler_trace.elv_issue_request: Fires when a request is

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

ioscheduler_trace.elv_requeue_request: Fires when a request is

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

ioscheduler_trace.elv_abort_request: Fires when a request is aborted.

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

ioscheduler_trace.plug: Fires when a request queue is plugged;

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

ioscheduler_trace.unplug_io: Fires when a request queue is unplugged;

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

ioscheduler_trace.unplug_timer: 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)