update man pages

1 files changed, 42 insertions, 93 deletions

diff --git a/man/stapprobes.iosched.5.in b/man/stapprobes.iosched.5.in
index b88b8c4c..46b801a7 100644
--- a/man/stapprobes.iosched.5.in
+++ b/man/stapprobes.iosched.5.in
@@ -1,7 +1,7 @@
 .\" -*- nroff -*-
-.TH STAPPROBES.SCSI 5 @DATE@ "IBM"
+.TH STAPPROBES.IOSCHED 5 @DATE@ "IBM"
 .SH NAME
-stapprobes.scsi \- systemtap scsi probe points
+stapprobes.iosched \- systemtap IO scheduler probe points
 
 .\" macros
 .de SAMPLE
@@ -18,132 +18,81 @@ stapprobes.scsi \- systemtap scsi probe points
 
 .SH DESCRIPTION
 
-This family of probe points is used to probe the SCSI activities.
-It contains the following probe points:
+This family of probe points is used to probe the IO scheduler 
+activities.  It contains the following probe points:
 
 .P
 .TP 
-.B scsi.ioentry
-Fires when SCSI mid layer prepares a SCSI request
+.B ioscheduler.elv_next_request
+Fires when retrieves a request from request queue
 
 .B Arguments:
 
-.I disk_major
-  The major number of the disk
-
-.I disk_minor
-  The minor number of the disk
-
-.I device_state
-  The current state of the device. The possible values could be:
-
-        SDEV_CREATED = 1,    /* device created but not added to sysfs
-                              * Only internal commands allowed (for inq) */
-        SDEV_RUNNING = 2,    /* device properly configured
-                              * All commands allowed */
-        SDEV_CANCEL = 3,     /* beginning to delete device
-                              * Only error handler commands allowed */
-        SDEV_DEL = 4,        /* device deleted
-                              * no commands allowed */
-        SDEV_QUIESCE = 5,    /* Device quiescent.  No block commands
-                              * will be accepted, only specials (which
-                              * originate in the mid-layer) */
-        SDEV_OFFLINE = 6,    /* Device offlined (by error handling or
-                              * user request */
-        SDEV_BLOCK = 7,      /* Device blocked by scsi lld.  No scsi
-                              * commands from user or midlayer should be issued
-                              * to the scsi lld. */
+.I elevator_name
+  The elevator name
 
 .P
 .TP 
-.B scsi.iodispatching
-Fires when the SCSI mid layer dispatches a SCSI command to the low level driver
+.B ioscheduler.elv_next_request.return
+Fires when return from retrieving a request
 
 .B Arguments:
 
-.I host_no
-  The host number
-
-.I channel
-  The channel number
-
-.I lun
-  The lun number
+.I req
+  Address of the request
 
-.I dev_id
-  The scsi device id
+.I req_flags
+  request flags
 
-.I device_state
-  The current state of the device. 
-
-.I data_direction
-  The data_direction specifies whether this command is from/to the device.
-  The possible values could be:
-
-        DMA_BIDIRECTIONAL = 0,
-        DMA_TO_DEVICE = 1,
-        DMA_FROM_DEVICE = 2,
-        DMA_NONE = 3,
-
-.I request_buffer
-  The request buffer address
+.I disk_major
+  disk major number of the request
 
-.I req_bufflen
-  The request buffer length
+.I disk_minor
+  disk minor number of the request
 
 .P
 .TP 
-.B scsi.iodone
-Fires when a SCSI command is done by low level driver and enqueued into the done queue.
+.B ioscheduler.elv_add_request
+Fires when add a request into request queue
 
 .B Arguments:
 
-.I host_no
-  The host number
-
-.I channel
-  The channel number
+.I elevator_name
+  The elevator name
 
-.I lun
-  The lun number
+.I req
+  Address of the request
 
-.I dev_id
-  The scsi device id
+.I req_flags
+  request flags
 
-.I device_state
-  The current state of the device
+.I disk_major
+  disk major number of the request
 
-.I data_direction
-  The data_direction specifies whether this command is from/to the device.
+.I disk_minor
+  disk minor number of the request
 
 .P
 .TP 
-.B scsi.iocompleted
-Fires when SCSI mid layer runs the completion processing for 
-block device I/O requests
+.B ioscheduler.elv_completed_request
+Fires when a request is completed
 
 .B Arguments:
 
-.I host_no
-  The host number
+.I elevator_name
+  The elevator name
 
-.I channel
-  The channel number
+.I req
+  Address of the request
 
-.I lun
-  The lun number
+.I req_flags
+  request flags
 
-.I dev_id
-  The scsi device id
-
-.I device_state
-  The current state of the device
-
-.I data_direction
-  The data_direction specifies whether this command is from/to the device.
+.I disk_major
+  disk major number of the request
 
-.I goodbytes
-  The bytes completed.
+.I disk_minor
+  disk minor number of the request
 
 .SH SEE ALSO
 .IR stap (1),