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stapprobes.iosched
Langue: en
Version: 2009-01-21 (CentOS - 06/07/09)
Section: 5 (Format de fichier)
Sommaire
NAME
stapprobes.iosched - systemtap IO scheduler probe pointsDESCRIPTION
This family of probe points is used to probe the IO scheduler activities. It contains the following probe points:
- ioscheduler.elv_next_request
- Fires when retrieves a request from request queue
Arguments:
elevator_name
The elevator name
- ioscheduler.elv_next_request.return
- Fires when return from retrieving a request
Arguments:
req
Address of the requestreq_flags
request flagsdisk_major
disk major number of the requestdisk_minor
disk minor number of the request
- ioscheduler.elv_add_request
- Fires when add a request into request queue
Arguments:
elevator_name
The elevator namereq
Address of the requestreq_flags
request flagsdisk_major
disk major number of the requestdisk_minor
disk minor number of the request
- ioscheduler.elv_completed_request
- Fires when a request is completed
Arguments:
elevator_name
The elevator namereq
Address of the requestreq_flags
request flagsdisk_major
disk major number of the requestdisk_minor
disk minor number of the request
SEE ALSO
stap(1), stapprobes(5),Contenus ©2006-2024 Benjamin Poulain
Design ©2006-2024 Maxime Vantorre