Change DISKSTATS to IOSTATS, document new i/o stats sysctl.

This commit is contained in:
blymn 2006-04-25 11:56:25 +00:00
parent f233f366ee
commit 434398553a
1 changed files with 21 additions and 6 deletions

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@ -1,4 +1,4 @@
.\" $NetBSD: sysctl.3,v 1.167 2006/02/24 22:05:09 wiz Exp $
.\" $NetBSD: sysctl.3,v 1.168 2006/04/25 11:56:25 blymn Exp $
.\"
.\" Copyright (c) 1993
.\" The Regents of the University of California. All rights reserved.
@ -350,15 +350,30 @@ The byteorder (4,321, or 1,234).
.It Li HW_CNMAGIC
The console magic key sequence.
.It Li HW_DISKNAMES
The list of (space separated) disk device names on the system.
.It Li HW_DISKSTATS
Return statistical information on the disk devices on the system.
The list of (space separated) disk device and NFS mount names on the system.
.It Li HW_IOSTATNAMES
A space separated list of devices that will have i/o statistics
collected on them.
.It Li HW_IOSTATS
Return statistical information on the NFS mounts, disk and tape
devices on the system.
An array of
.Va struct disk_sysctl
.Va struct io_sysctl
structures is returned,
whose size depends on the current number of such objects in the system.
The third level name is the size of the
.Va struct disk_sysctl .
.Va struct io_sysctl .
The type of object can be determined by examining the
.Va type
element of
.Va struct io_sysctl .
Which can be
.Dv IOSTAT_DISK
(disk drive),
.Dv IOSTAT_TAPE
(tape drive) or
.Dv IOSTAT_NFS
(NFS mount).
.It Li HW_MACHINE
The machine class.
.It Li HW_MACHINE_ARCH