tapset::ioblock(3stap) [centos man page]

tapset::ioblock(3stap)													    tapset::ioblock(3stap)

NAME

       tapset::ioblock - systemtap ioblock tapset

DESCRIPTION

       ioblock.request
	      Fires whenever making a generic block I/O request.

	       See probe::ioblock.request(3stap)
	       for details.

       ioblock.end
	      Fires whenever a block I/O transfer is complete.

	       See probe::ioblock.end(3stap)
	       for details.

       ioblock_trace.bounce
	      Fires whenever a buffer bounce is needed for at least one page of a block IO request.

	       See probe::ioblock_trace.bounce(3stap)
	       for details.

       ioblock_trace.request
	      Fires just as a generic block I/O request is created for a bio.

	       See probe::ioblock_trace.request(3stap)
	       for details.

       ioblock_trace.end
	      Fires whenever a block I/O transfer is complete.

	       See probe::ioblock_trace.end(3stap)
	       for details.

SEE ALSO

	 probe::ioblock.request(3stap),    probe::ioblock.end(3stap),	probe::ioblock_trace.bounce(3stap),  probe::ioblock_trace.request(3stap),
       probe::ioblock_trace.end(3stap),  stap(1), stapprobes(3stap)

IBM
									---						    tapset::ioblock(3stap)

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.

       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)

IBM
									---						tapset::ioscheduler(3stap)