[ новости /+++ | форум | теги | ]

NAME

stapprobes.iosched - systemtap IO scheduler probe points





 

DESCRIPTION

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 request

req_flags
  request flags

disk_major
  disk major number of the request

disk_minor
  disk minor number of the request

ioscheduler.elv_add_request

Fires when add a request into request queue

Arguments:

elevator_name
  The elevator name

req
  Address of the request

req_flags
  request flags

disk_major
  disk major number of the request

disk_minor
  disk minor number of the request

ioscheduler.elv_completed_request

Fires when a request is completed

Arguments:

elevator_name
  The elevator name

req
  Address of the request

req_flags
  request flags

disk_major
  disk major number of the request

disk_minor
  disk minor number of the request

SEE ALSO

Index

NAME

DESCRIPTION

SEE ALSO

Партнёры:

Хостинг: