tapset::ioscheduler

Section: Misc. Reference Manual Pages (3stap)
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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)


 

Index

NAME
DESCRIPTION
SEE ALSO

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Time: 10:39:30 GMT, March 18, 2014