861 lines
17 KiB
Groff
861 lines
17 KiB
Groff
.\"-
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.\" Copyright (c) 2007-2009 Robert N. M. Watson
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd April 7, 2022
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.Dt PROCSTAT 1
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.Os
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.Sh NAME
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.Nm procstat
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.Nd get detailed process information
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.Sh SYNOPSIS
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.Nm
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.Op Fl -libxo
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.Op Fl h
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.Op Fl M Ar core
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.Op Fl N Ar system
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.Op Fl w Ar interval
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.Ar command
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.Op Ar pid ... | Ar core ...
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.Nm
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.Op Fl -libxo
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.Fl a
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.Op Fl h
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.Op Fl M Ar core
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.Op Fl N Ar system
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.Op Fl w Ar interval
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.Ar command
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.Nm
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.Op Fl -libxo
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.Op Fl h
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.Op Fl M Ar core
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.Op Fl N Ar system
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.Op Fl w Ar interval
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.Oo
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.Fl b |
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.Fl c |
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.Fl e |
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.Fl f Oo Fl C Oc |
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.Fl i Oo Fl n Oc |
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.Fl j Oo Fl n Oc |
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.Fl k Oo Fl k Oc |
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.Fl l |
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.Fl r Oo Fl H Oc |
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.Fl s |
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.Fl S |
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.Fl t |
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.Fl v |
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.Fl x
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.Oc
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.Op Ar pid ... | Ar core ...
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.Nm
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.Op Fl -libxo
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.Fl a
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.Op Fl h
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.Op Fl M Ar core
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.Op Fl N Ar system
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.Op Fl w Ar interval
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.Oo
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.Fl b |
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.Fl c |
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.Fl e |
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.Fl f Oo Fl C Oc |
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.Fl i Oo Fl n Oc |
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.Fl j Oo Fl n Oc |
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.Fl k Oo Fl k Oc |
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.Fl l |
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.Fl r Oo Fl H Oc |
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.Fl s |
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.Fl S |
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.Fl t |
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.Fl v |
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.Fl x
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.Oc
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.Nm
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.Op Fl -libxo
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.Fl L
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.Op Fl h
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.Op Fl M Ar core
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.Op Fl N Ar system
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.Op Fl w Ar interval
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.Ar core ...
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.Nm pargs
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.Op Fl -libxo
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.Ar pid ...
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.Nm penv
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.Op Fl -libxo
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.Ar pid ...
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.Nm pwdx
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.Op Fl -libxo
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.Ar pid ...
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.Sh DESCRIPTION
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.Nm
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utility displays detailed information about the processes identified by the
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.Ar pid
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arguments, or if the
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.Fl a
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flag is used, all processes.
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It can also display information extracted from a process core file, if
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the core file is specified as the argument.
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.Pp
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The
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.Nm pargs ,
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.Nm penv
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and
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.Nm pwdx
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utilities display the arguments, environment, and current working directory,
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respectively of the process specified by
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.Ar pid
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argument.
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They mimic the behavior of Solaris utilities of the same names.
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.Pp
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If the
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.Fl -libxo
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flag is specified the output is generated via
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.Xr libxo 3
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in a selection of different human and machine readable formats.
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See
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.Xr xo_parse_args 3
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for details on command line arguments.
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.Pp
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The following commands are available for
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.Nm :
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.Bl -tag -width indent
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.It Ar advlock
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Print information about advisory locks on files.
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All three types of locks are listed, BSD-style
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.Xr lockf 2 ,
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POSIX-style
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.Xr fcntl 2
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.Va F_SETLK ,
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and remote
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.Xr lockd 8
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locks used by NFSv3.
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.Pp
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Note that neither the
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.Fl a
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option nor
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.Va pid
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list can be used to limit the display of the locks, mostly because
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some types of locks do not have local (or any) owning processes.
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.It Ar basic
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Print basic process statistics (this is the default).
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.It Ar binary | Fl b
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Display binary information for the process.
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.Pp
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Substring commands are accepted.
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.It Ar argument(s) | Fl c
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Display command line arguments for the process.
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.Pp
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Substring commands are accepted.
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.It Ar environment | Fl e
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Display environment variables for the process.
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.Pp
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Substring commands are accepted.
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.It Ar file(s) | Ar fd(s) | Fl f
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Display file descriptor information for the process.
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.Pp
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If the
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.Fl C
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subcommand flag is used then additional capability information is printed.
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.It Ar signal(s) | Fl i
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Display signal pending and disposition information for the process.
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.Pp
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If the
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.Fl n
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subcommand option is used, the signal numbers are shown instead of signal
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names.
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.Pp
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Substring commands are accepted.
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.It Ar tsignal(s) | Fl j
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Display signal pending and blocked information for the process's threads.
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.Pp
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If the
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.Fl n
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subcommand option is used, the signal numbers are shown instead of signal
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names.
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.Pp
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Substring commands are accepted.
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.It Ar kstack | Fl k
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Display the stacks of kernel threads in the process, excluding stacks of
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threads currently running on a CPU and threads with stacks swapped to disk.
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.Pp
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If the
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.Fl v
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subcommand option is used (or the command flag is repeated), function
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offsets as well as function names are printed.
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.It Ar rlimit | Fl l
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Display resource limits for the process.
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.It Ar ptlwpinfo | Fl L
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Display LWP info for the process pertaining to its signal driven exit.
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.It Ar rusage | Fl r
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Display resource usage information for the process.
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.Pp
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If the
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.Fl v
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.Pq or Fl H
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subcommand flag
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is used then per-thread statistics are printed, rather than per-process
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statistics.
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The second field in the table will list the thread ID to which the row of
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information corresponds.
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.It Ar credential(s) | Fl s
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Display security credential information for the process.
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.Pp
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Substring commands are accepted.
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.It Ar cpuset | Ar cs | Fl S
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Display the cpuset information for the thread.
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.It Ar thread(s) | Fl t
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Display thread information for the process.
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.It Ar vm | Fl v
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Display virtual memory mappings for the process.
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.It Ar auxv | Fl x
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Display ELF auxiliary vector for the process.
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.It Ar pargs
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Display arguments for the process.
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.It Ar penv
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Display environment variables for the process.
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.It Ar pwdx
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Display current working directory for the process.
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.El
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.Pp
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All options generate output in the format of a table, the first field of
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which is the process ID to which the row of information corresponds.
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The
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.Fl h
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flag may be used to suppress table headers.
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.Pp
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The
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.Fl w
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flag may be used to specify a wait interval at which to repeat the printing
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of the requested process information.
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If the
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.Fl w
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flag is not specified, the output will not repeat.
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.Pp
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Information for VM, file descriptor, and cpuset options is available
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only to the owner of a process or the superuser.
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A cpuset value displayed as -1 means that the information is either invalid
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or not available.
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.Ss Binary Information
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Display the process ID, command, and path to the process binary:
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.Pp
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.Bl -tag -width indent -compact
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.It PID
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process ID
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.It COMM
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command
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.It OSREL
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osreldate for process binary
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.It PATH
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path to process binary (if available)
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.El
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.Ss Command Line Arguments
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Display the process ID, command, and command line arguments:
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.Pp
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.Bl -tag -width indent -compact
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.It PID
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process ID
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.It COMM
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command
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.It ARGS
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command line arguments (if available)
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.El
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.Ss Environment Variables
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Display the process ID, command, and environment variables:
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.Pp
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.Bl -tag -width "ENVIRONMENT" -compact
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.It PID
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process ID
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.It COMM
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command
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.It ENVIRONMENT
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environment variables (if available)
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.El
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.Ss File Descriptors
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Display detailed information about each file descriptor referenced by a
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process, including the process ID, command, file descriptor number, and
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per-file descriptor object information, such as object type and file system
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path.
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By default, the following information will be printed:
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.Pp
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.Bl -tag -width indent -compact
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.It PID
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process ID
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.It COMM
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command
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.It FD
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file descriptor number or cwd/root/jail
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.It T
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file descriptor type
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.It V
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vnode type
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.It FLAGS
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file descriptor flags
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.It REF
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file descriptor reference count
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.It OFFSET
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file descriptor offset
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.It PRO
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network protocol
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.It NAME
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file path or socket addresses (if available)
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.El
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.Pp
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The following file descriptor types may be displayed:
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.Pp
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.Bl -tag -width X -compact
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.It e
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POSIX semaphore
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.It E
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eventfd
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.It f
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fifo
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.It h
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shared memory
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.It k
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kqueue
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.It m
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message queue
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.It P
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process descriptor
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.It p
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pipe
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.It s
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socket
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.It t
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pseudo-terminal master
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.It v
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vnode
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.El
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.Pp
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The following vnode types may be displayed:
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.Pp
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.Bl -tag -width X -compact
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.It -
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not a vnode
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.It b
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block device
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.It c
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character device
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.It d
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directory
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.It f
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fifo
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.It l
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symbolic link
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.It r
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regular file
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.It s
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socket
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.It x
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revoked device
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.El
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.Pp
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The following file descriptor flags may be displayed:
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.Pp
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.Bl -tag -width X -compact
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.It r
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read
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.It w
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write
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.It a
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append
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.It s
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async
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.It f
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fsync
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.It n
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non-blocking
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.It d
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direct I/O
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.It l
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lock held
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.El
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.Pp
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If the
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.Fl C
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flag is specified, the vnode type, reference count, and offset fields will be
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omitted, and a new capabilities field will be included listing capabilities,
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as described in
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.Xr cap_rights_limit 2 ,
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present for each capability descriptor.
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.Pp
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The following network protocols may be displayed (grouped by address family):
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.Pp
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.Dv AF_INET ,
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.Dv AF_INET6
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.Pp
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.Bl -tag -width indent -compact
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.It ICM
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.Dv IPPROTO_ICMP ;
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see
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.Xr icmp 4 .
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.It IP?
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unknown protocol.
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.It RAW
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.Dv IPPROTO_RAW ;
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see
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.Xr ip 4 .
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.It SCT
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.Dv IPPROTO_SCTP ;
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see
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.Xr sctp 4 .
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.It TCP
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.Dv IPPROTO_TCP ;
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see
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.Xr tcp 4 .
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.It UDP
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.Dv IPPROTO_UDP ;
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see
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.Xr udp 4 .
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.El
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.Pp
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.Dv AF_LOCAL
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.Pp
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.Bl -tag -width indent -compact
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.It UDD
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.Dv IPPROTO_UDP ;
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see
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.Xr udp 4 .
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.It UDS
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.Dv IPPROTO_TCP ;
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see
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.Xr tcp 4 .
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.It UD?
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unknown protocol.
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.El
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.Pp
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.Dv AF_DIVERT
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.Pp
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.Bl -tag -width indent -compact
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.It IPD
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.Dv Divert socket; see
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.Xr divert 4 .
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.El
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.Pp
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.Bl -tag -width indent -compact
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.It ?
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unknown address family.
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.El
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.Ss Signal Disposition Information
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Display signal pending and disposition for a process:
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.Pp
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.Bl -tag -width indent -compact
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.It PID
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process ID
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.It COMM
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command
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.It SIG
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signal name
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.It FLAGS
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process signal disposition details, three symbols
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.Bl -tag -width X -compact
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.It P
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if signal is pending in the global process queue; - otherwise.
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.It I
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if signal delivery disposition is
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.Dv SIG_IGN ;
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- otherwise.
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.It C
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if the signal will be caught; - otherwise.
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.El
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.El
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.Pp
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If
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.Fl n
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switch is given, the signal numbers are shown instead of signal names.
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.Ss Thread Signal Information
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Display signal pending and blocked for a process's threads:
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.Pp
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.Bl -tag -width indent -compact
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.It PID
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process ID
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.It TID
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thread ID
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.It COMM
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command
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.It SIG
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signal name
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.It FLAGS
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thread signal delivery status, two symbols
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.Bl -tag -width X -compact
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.It P
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if signal is pending for the thread, - otherwise
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.It B
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if signal is blocked in the thread signal mask, - if not blocked
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.El
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.El
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.Pp
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The
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.Fl n
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switch has the same effect as for the
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.Fl i
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switch: the signal numbers are shown instead of signal names.
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.Ss Kernel Thread Stacks
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Display kernel thread stacks for a process, allowing further interpretation
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of thread wait channels.
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If the
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.Fl k
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flag is repeated, function offsets, not just function names, are printed.
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.Pp
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This feature requires
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.Cd "options STACK"
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or
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.Cd "options DDB"
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to be compiled into the kernel.
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.Pp
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.Bl -tag -width indent -compact
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.It PID
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process ID
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.It TID
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thread ID
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.It COMM
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command
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.It TDNAME
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thread name
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.It KSTACK
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kernel thread call stack
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.El
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.Ss Resource Limits
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Display resource limits for a process:
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.Pp
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.Bl -tag -width indent -compact
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.It PID
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process ID
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.It COMM
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command
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.It RLIMIT
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resource limit name
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.It SOFT
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soft limit
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.It HARD
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hard limit
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.El
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.Ss Resource Usage
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Display resource usage for a process.
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If the
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.Fl H
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flag is specified,
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resource usage for individual threads is displayed instead.
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.Pp
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.Bl -tag -width "RESOURCE" -compact
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.It PID
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process ID
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.It TID
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thread ID
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.Po
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if
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.Fl H
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is specified
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.Pc
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.It COMM
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command
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.It RESOURCE
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resource name
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.It VALUE
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current usage
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.El
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.Ss Security Credentials
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|
Display process credential information:
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.Pp
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.Bl -tag -width indent -compact
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.It PID
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process ID
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.It COMM
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command
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.It EUID
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effective user ID
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.It RUID
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real user ID
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.It SVUID
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saved user ID
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.It EGID
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effective group ID
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.It RGID
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real group ID
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.It SVGID
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saved group ID
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.It UMASK
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|
file creation mode mask
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.It FLAGS
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credential flags
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.It GROUPS
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|
group set
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.El
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.Pp
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|
The following credential flags may be displayed:
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|
.Pp
|
|
.Bl -tag -width X -compact
|
|
.It C
|
|
capability mode
|
|
.El
|
|
.Ss Thread Information
|
|
Display per-thread information, including process ID, per-thread ID, name,
|
|
CPU, and execution state:
|
|
.Pp
|
|
.Bl -tag -width indent -compact
|
|
.It PID
|
|
process ID
|
|
.It TID
|
|
thread ID
|
|
.It COMM
|
|
command
|
|
.It TDNAME
|
|
thread name
|
|
.It CPU
|
|
current or most recent CPU run on
|
|
.It PRI
|
|
thread priority
|
|
.It STATE
|
|
thread state
|
|
.It WCHAN
|
|
thread wait channel
|
|
.El
|
|
.Ss Virtual Memory Mappings
|
|
Display process virtual memory mappings, including addresses, mapping
|
|
meta-data, and mapped object information:
|
|
.Pp
|
|
.Bl -tag -width indent -compact
|
|
.It PID
|
|
process ID
|
|
.It START
|
|
starting address of mapping
|
|
.It END
|
|
ending address of mapping
|
|
.It PRT
|
|
protection flags
|
|
.It RES
|
|
resident pages
|
|
.It PRES
|
|
private resident pages
|
|
.It REF
|
|
reference count
|
|
.It SHD
|
|
shadow page count
|
|
.It FLAG
|
|
mapping flags
|
|
.It TP
|
|
VM object type
|
|
.El
|
|
.Pp
|
|
The following protection flags may be displayed:
|
|
.Pp
|
|
.Bl -tag -width X -compact
|
|
.It r
|
|
read
|
|
.It w
|
|
write
|
|
.It x
|
|
execute
|
|
.El
|
|
.Pp
|
|
The following VM object types may be displayed:
|
|
.Pp
|
|
.Bl -tag -width XX -compact
|
|
.It --
|
|
none
|
|
.It dd
|
|
dead
|
|
.It df
|
|
default
|
|
.It dv
|
|
device
|
|
.It md
|
|
device with managed pages
|
|
.Pq GEM/TTM
|
|
.It ph
|
|
physical
|
|
.It sg
|
|
scatter/gather
|
|
.It sw
|
|
swap
|
|
.It vn
|
|
vnode
|
|
.It gd
|
|
guard (pseudo-type)
|
|
.El
|
|
.Pp
|
|
The following mapping flags may be displayed:
|
|
.Pp
|
|
.Bl -tag -width X -compact
|
|
.It C
|
|
copy-on-write
|
|
.It N
|
|
needs copy
|
|
.It S
|
|
one or more superpage mappings are used
|
|
.It D
|
|
grows down (top-down stack)
|
|
.It U
|
|
grows up (bottom-up stack)
|
|
.It W
|
|
pages in this range are locked by
|
|
.Xr mlock 2
|
|
or
|
|
.Xr mlockall 2
|
|
.El
|
|
.Ss ELF Auxiliary Vector
|
|
Display ELF auxiliary vector values:
|
|
.Pp
|
|
.Bl -tag -width indent -compact
|
|
.It PID
|
|
process ID
|
|
.It COMM
|
|
command
|
|
.It AUXV
|
|
auxiliary vector name
|
|
.It VALUE
|
|
auxiliary vector value
|
|
.El
|
|
.Ss Advisory Lock Information
|
|
.Bl -tag -width indent -compact
|
|
.It RW
|
|
Read/Write type,
|
|
.Va RO
|
|
for read,
|
|
.Va RW
|
|
for write lock
|
|
.It TYPE
|
|
Type of the lock, one of
|
|
.Va FLOCK
|
|
for
|
|
.Xr flock 2 ,
|
|
.Va FCNTL
|
|
for
|
|
.Xr fcntl 2 ,
|
|
.Va LOCKD
|
|
for remote
|
|
.It PID
|
|
Process id of the owner, for
|
|
.Va FCNTL
|
|
and remote types
|
|
.It SYSID
|
|
Remote system id if applicable
|
|
.It FSID
|
|
File system id where the locked file resize
|
|
.It RDEV
|
|
rdev for the file system
|
|
.It INO
|
|
Unique file identifier (inode number) of the locked file
|
|
on the file system
|
|
.It START
|
|
Start offset of the locked range
|
|
.It LEN
|
|
Length of the locked range.
|
|
Zero means till EOF
|
|
.It PATH
|
|
If available, the path of the locked file
|
|
.El
|
|
.Sh EXIT STATUS
|
|
.Ex -std
|
|
.Sh EXAMPLES
|
|
Show binary information about the current shell:
|
|
.Bd -literal -offset indent
|
|
$ procstat binary $$
|
|
PID COMM OSREL PATH
|
|
46620 bash 1201000 /usr/local/bin/bash
|
|
.Ed
|
|
.Pp
|
|
Same as above but showing information about open file descriptors:
|
|
.Bd -literal -offset indent
|
|
$ procstat files $$
|
|
PID COMM FD T V FLAGS REF OFFSET PRO NAME
|
|
46620 bash text v r r------- - - - /usr/local/bin/bash
|
|
46620 bash ctty v c rw------ - - - /dev/pts/12
|
|
46620 bash cwd v d r------- - - - /tmp
|
|
46620 bash root v d r------- - - - /
|
|
46620 bash 0 v c rw------ 7 372071 - /dev/pts/12
|
|
46620 bash 1 v c rw------ 7 372071 - /dev/pts/12
|
|
46620 bash 2 v c rw------ 7 372071 - /dev/pts/12
|
|
46620 bash 255 v c rw------ 7 372071 - /dev/pts/12
|
|
.Ed
|
|
.Pp
|
|
Show the arguments used to launch
|
|
.Xr init 8 :
|
|
.Bd -literal -offset indent
|
|
$ procstat arguments 1
|
|
PID COMM ARGS
|
|
1 init /sbin/init --
|
|
.Ed
|
|
.Pp
|
|
Extract binary information from a core dump:
|
|
.Bd -literal -offset indent
|
|
$ procstat binary core.36642
|
|
PID COMM OSREL PATH
|
|
36642 top 1201000 /usr/bin/top
|
|
.Ed
|
|
.Pp
|
|
Trying to extract information from a core file generated in a different major
|
|
.Fx
|
|
version might show an error like this:
|
|
.Bd -literal -offset indent
|
|
$ procstat mplayer.core
|
|
procstat: kinfo_proc structure size mismatch
|
|
procstat: procstat_getprocs()
|
|
.Ed
|
|
.Sh SEE ALSO
|
|
.Xr fstat 1 ,
|
|
.Xr ps 1 ,
|
|
.Xr sockstat 1 ,
|
|
.Xr cap_enter 2 ,
|
|
.Xr cap_rights_limit 2 ,
|
|
.Xr mlock 2 ,
|
|
.Xr mlockall 2 ,
|
|
.Xr libprocstat 3 ,
|
|
.Xr libxo 3 ,
|
|
.Xr signal 3 ,
|
|
.Xr xo_parse_args 3 ,
|
|
.Xr ddb 4 ,
|
|
.Xr divert 4 ,
|
|
.Xr icmp 4 ,
|
|
.Xr ip 4 ,
|
|
.Xr sctp 4 ,
|
|
.Xr tcp 4 ,
|
|
.Xr udp 4 ,
|
|
.Xr stack 9
|
|
.Sh AUTHORS
|
|
.An Robert N M Watson Aq Mt rwatson@FreeBSD.org .
|
|
.br
|
|
.Xr libxo 3
|
|
support was added by
|
|
.An -nosplit
|
|
Allan Jude
|
|
.Aq Mt allanjude@FreeBSD.org .
|
|
.br
|
|
.An Juraj Lutter
|
|
.Aq Mt juraj@lutter.sk
|
|
added the pargs, penv and pwdx functionality.
|
|
.Sh BUGS
|
|
The display of open file or memory mapping pathnames is implemented using the
|
|
kernel's name cache.
|
|
If a file system does not use the name cache, or the path to a file is not in
|
|
the cache, a path will not be displayed.
|
|
.Pp
|
|
.Nm
|
|
currently supports extracting data only from a live kernel, and not from
|
|
kernel crash dumps.
|