PROBE::IOSCHEDULER(3stap)                        IO Scheduler and block IO Taps                        PROBE::IOSCHEDULER(3stap)



NAME
       probe::ioscheduler.elv_add_request.tp - tracepoint based probe to indicate a request is added to the request queue.

SYNOPSIS
       ioscheduler.elv_add_request.tp

VALUES
       disk_major
           Disk major no of request.

       rq
           Address of request.

       q
           Pointer to request queue.

       name
           Name of the probe point

       elevator_name
           The type of I/O elevator currently enabled.

       disk_minor
           Disk minor number of request.

       rq_flags
           Request flags.



SystemTap Tapset Reference                                 August 2011                                 PROBE::IOSCHEDULER(3stap)