1.\" Copyright (c) 1980, 1991, 1993, 1994 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 3. All advertising materials mentioning features or use of this software 13.\" must display the following acknowledgement: 14.\" This product includes software developed by the University of 15.\" California, Berkeley and its contributors. 16.\" 4. Neither the name of the University nor the names of its contributors 17.\" may be used to endorse or promote products derived from this software 18.\" without specific prior written permission. 19.\" 20.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" @(#)pstat.8 8.5 (Berkeley) 5/13/94 33.\" $FreeBSD$ 34.\" 35.Dd May 23, 2002 36.Dt PSTAT 8 37.Os 38.Sh NAME 39.Nm pstat , 40.Nm swapinfo 41.Nd display system data structures 42.Sh SYNOPSIS 43.Nm 44.Op Fl Tfknst 45.Op Fl M Ar core 46.Op Fl N Ar system 47.Pp 48.Nm swapinfo 49.Op Fl k 50.Op Fl M Ar core 51.Op Fl N Ar system 52.Sh DESCRIPTION 53.Nm Pstat 54displays open file entry, swap space utilization, 55terminal state, and vnode data structures. 56.Pp 57If invoked as 58.Nm swapinfo 59the 60.Fl s 61option is implied, and only the 62.Fl k 63option is legal. 64.Pp 65The following options are available: 66.Bl -tag -width indent 67.It Fl n 68Print devices out by major/minor instead of name. 69.It Fl k 70Print sizes in kilobytes, regardless of the setting of the 71.Ev BLOCKSIZE 72environment variable. 73.It Fl T 74Print the number of used and free slots in several system tables. 75This is useful for checking to see how large system tables have become 76if the system is under heavy load. 77.It Fl f 78Print the open file table with these headings: 79.Bl -tag -width indent 80.It LOC 81The core location of this table entry. 82.It TYPE 83The type of object the file table entry points to. 84.It FLG 85Miscellaneous state variables encoded thus: 86.Pp 87.Bl -tag -width indent -compact 88.It R 89open for reading 90.It W 91open for writing 92.It A 93open for appending 94.It I 95signal pgrp when data ready 96.El 97.It CNT 98Number of processes that know this open file. 99.It MSG 100Number of messages outstanding for this file. 101.It DATA 102The location of the vnode table entry or socket structure for this file. 103.It OFFSET 104The file offset (see 105.Xr lseek 2 ) . 106.El 107.It Fl s 108Print information about swap space usage on all the 109swap areas compiled into the kernel. 110The first column is the device name of the partition. The next column is 111the total space available in the partition. The 112.Ar Used 113column indicates the total blocks used so far; the 114.Ar Available 115column indicates how much space is remaining on each partition. 116The 117.Ar Capacity 118reports the percentage of space used. 119.Pp 120If more than one partition is configured into the system, totals for all 121of the statistics will be reported in the final line of the report. 122.Pp 123If you supply the option again, as in 124.Fl ss , 125the system will display a breakdown of the swap bitmap/radix-tree. 126.It Fl t 127Print table for terminals 128with these headings: 129.Bl -tag -width indent 130.It RAW 131Number of characters in raw input queue. 132.It CAN 133Number of characters in canonicalized input queue. 134.It OUT 135Number of characters in output queue. 136.It MODE 137See 138.Xr tty 4 . 139.It ADDR 140Physical device address. 141.It DEL 142Number of delimiters (newlines) in canonicalized input queue. 143.It COL 144Calculated column position of terminal. 145.It STATE 146Miscellaneous state variables encoded thus: 147.Pp 148.Bl -tag -width indent -compact 149.It T 150delay timeout in progress 151.It W 152waiting for open to complete 153.It O 154open 155.It F 156outq has been flushed during DMA 157.It C 158carrier is on 159.It c 160connection open 161.It B 162busy doing output 163.It A 164process is waiting for space in output queue 165.It a 166process is waiting for output to complete 167.It X 168open for exclusive use 169.It S 170output stopped (ixon flow control) 171.It m 172output stopped (carrier flow control) 173.It o 174output stopped (CTS flow control) 175.It d 176output stopped (DSR flow control) 177.It K 178input stopped 179.It Y 180send SIGIO for input events 181.It D 182state for lowercase 183.Ql \e 184work 185.It E 186within a 187.Ql \e.../ 188for PRTRUB 189.It L 190next character is literal 191.It P 192retyping suspended input (PENDIN) 193.It N 194counting tab width, ignore FLUSHO 195.It l 196block mode input routine in use 197.It s 198i/o being snooped 199.It Z 200connection lost 201.El 202.It SESS 203Kernel address of the session structure. 204.It PGID 205Process group for which this is controlling terminal. 206.It DISC 207Line discipline; 208.Ql term 209for 210TTYDISC 211or 212.Ql ntty 213for 214NTTYDISC 215or 216.Ql tab 217for 218TABLDISC 219or 220.Ql slip 221for 222SLIPDISC 223or 224.Ql ppp 225for 226PPPDISC. 227.El 228.It Fl M 229Extract values associated with the name list from the specified core 230instead of the default 231.Pa /dev/kmem . 232.It Fl N 233Extract the name list from the specified system instead of the default 234.Pa /boot/kernel/kernel . 235.El 236.Sh FILES 237.Bl -tag -width /boot/kernel/kernel -compact 238.It Pa /boot/kernel/kernel 239namelist 240.It Pa /dev/mem 241default source of tables 242.El 243.Sh SEE ALSO 244.Xr ps 1 , 245.Xr systat 1 , 246.Xr stat 2 , 247.Xr fs 5 , 248.Xr iostat 8 , 249.Xr vmstat 8 250.Rs 251.%T UNIX Implementation 252.%A K. Thompson 253.Re 254.Sh BUGS 255Does not understand 256.Tn NFS 257swap servers. 258.Sh HISTORY 259The 260.Nm 261command appeared in 262.Bx 4.0 . 263