xref: /dragonfly/usr.sbin/pstat/pstat.8 (revision 984263bc)
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32.\"     @(#)pstat.8	8.5 (Berkeley) 5/13/94
33.\" $FreeBSD: src/usr.sbin/pstat/pstat.8,v 1.19.2.10 2002/07/12 09:12:49 des Exp $
34.\"
35.Dd May 13, 1994
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 S
95shared lock present
96.It X
97exclusive lock present
98.It I
99signal pgrp when data ready
100.El
101.It CNT
102Number of processes that know this open file.
103.It MSG
104Number of messages outstanding for this file.
105.It DATA
106The location of the vnode table entry or socket structure for this file.
107.It OFFSET
108The file offset (see
109.Xr lseek 2 ) .
110.El
111.It Fl s
112Print information about swap space usage on all the
113swap areas compiled into the kernel.
114The first column is the device name of the partition.  The next column is
115the total space available in the partition.  The
116.Ar Used
117column indicates the total blocks used so far;  the
118.Ar Available
119column indicates how much space is remaining on each partition.
120The
121.Ar Capacity
122reports the percentage of space used.
123.Pp
124If more than one partition is configured into the system, totals for all
125of the statistics will be reported in the final line of the report.
126.Pp
127If you supply the option again, as in
128.Fl ss ,
129the system will display a breakdown of the swap bitmap/radix-tree.
130.It Fl t
131Print table for terminals
132with these headings:
133.Bl -tag -width indent
134.It RAW
135Number of characters in raw input queue.
136.It CAN
137Number of characters in canonicalized input queue.
138.It OUT
139Number of characters in output queue.
140.It MODE
141See
142.Xr tty 4 .
143.It ADDR
144Physical device address.
145.It DEL
146Number of delimiters (newlines) in canonicalized input queue.
147.It COL
148Calculated column position of terminal.
149.It STATE
150Miscellaneous state variables encoded thus:
151.Pp
152.Bl -tag -width indent -compact
153.It T
154delay timeout in progress
155.It W
156waiting for open to complete
157.It O
158open
159.It F
160outq has been flushed during DMA
161.It C
162carrier is on
163.It c
164connection open
165.It B
166busy doing output
167.It A
168process is waiting for space in output queue
169.It a
170process is waiting for output to complete
171.It X
172open for exclusive use
173.It S
174output stopped (ixon flow control)
175.It m
176output stopped (carrier flow control)
177.It o
178output stopped (CTS flow control)
179.It d
180output stopped (DSR flow control)
181.It K
182input stopped
183.It Y
184send SIGIO for input events
185.It D
186state for lowercase
187.Ql \e
188work
189.It E
190within a
191.Ql \e.../
192for PRTRUB
193.It L
194next character is literal
195.It P
196retyping suspended input (PENDIN)
197.It N
198counting tab width, ignore FLUSHO
199.It l
200block mode input routine in use
201.It s
202i/o being snooped
203.It Z
204connection lost
205.El
206.It SESS
207Kernel address of the session structure.
208.It PGID
209Process group for which this is controlling terminal.
210.It DISC
211Line discipline;
212.Ql term
213for
214TTYDISC
215or
216.Ql ntty
217for
218NTTYDISC
219or
220.Ql tab
221for
222TABLDISC
223or
224.Ql slip
225for
226SLIPDISC
227or
228.Ql ppp
229for
230PPPDISC.
231.El
232.It Fl M
233Extract values associated with the name list from the specified core
234instead of the default
235.Pa /dev/kmem .
236.It Fl N
237Extract the name list from the specified system instead of the default
238.Pa /kernel .
239.El
240.Sh FILES
241.Bl -tag -width /dev/memxxx -compact
242.It Pa /kernel
243namelist
244.It Pa /dev/mem
245default source of tables
246.El
247.Sh SEE ALSO
248.Xr ps 1 ,
249.Xr systat 1 ,
250.Xr stat 2 ,
251.Xr fs 5 ,
252.Xr iostat 8 ,
253.Xr vmstat 8
254.Rs
255.%T UNIX Implementation
256.%A K. Thompson
257.Re
258.Sh BUGS
259Does not understand
260.Tn NFS
261swap servers.
262.Sh HISTORY
263The
264.Nm
265command appeared in
266.Bx 4.0 .
267