TAPSET::IOSCHEDULER
Section: Misc. Reference Manual Pages (3stap)
Updated: November 2020
Page Index
NAME
tapset::ioscheduler - systemtap ioscheduler tapset
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)