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Annotation of 43BSDReno/usr.sbin/kgmon/kgmon.8, revision 1.1

1.1     ! root        1: .\" Copyright (c) 1983 The Regents of the University of California.
        !             2: .\" All rights reserved.
        !             3: .\"
        !             4: .\" Redistribution and use in source and binary forms are permitted provided
        !             5: .\" that: (1) source distributions retain this entire copyright notice and
        !             6: .\" comment, and (2) distributions including binaries display the following
        !             7: .\" acknowledgement:  ``This product includes software developed by the
        !             8: .\" University of California, Berkeley and its contributors'' in the
        !             9: .\" documentation or other materials provided with the distribution and in
        !            10: .\" all advertising materials mentioning features or use of this software.
        !            11: .\" Neither the name of the University nor the names of its contributors may
        !            12: .\" be used to endorse or promote products derived from this software without
        !            13: .\" specific prior written permission.
        !            14: .\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            15: .\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            16: .\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            17: .\"
        !            18: .\"    @(#)kgmon.8     6.3 (Berkeley) 6/24/90
        !            19: .\"
        !            20: .TH KGMON 8 "June 24, 1990"
        !            21: .UC 5
        !            22: .SH NAME
        !            23: kgmon \- generate a dump of the operating system's profile buffers
        !            24: .SH SYNOPSIS
        !            25: .B kgmon
        !            26: [
        !            27: .B \-b
        !            28: ] [
        !            29: .B \-h
        !            30: ] [
        !            31: .B \-r
        !            32: ] [
        !            33: .B \-p
        !            34: ] [ system ] [ memory ]
        !            35: .SH DESCRIPTION
        !            36: .I Kgmon
        !            37: is a tool used when profiling the operating system.
        !            38: When no arguments are supplied,
        !            39: .I kgmon 
        !            40: indicates the state of operating system profiling as running,
        !            41: off, or not configured.
        !            42: (see
        !            43: .IR config (8))
        !            44: If the
        !            45: .B \-p
        !            46: flag is specified,
        !            47: .I kgmon
        !            48: extracts profile data from the operating system and produces a
        !            49: .I gmon.out
        !            50: file suitable for later analysis by
        !            51: .IR gprof (1).
        !            52: .PP
        !            53: The following options may be specified:
        !            54: .TP
        !            55: .B \-b
        !            56: Resume the collection of profile data.
        !            57: .TP
        !            58: .B \-h
        !            59: Stop the collection of profile data.
        !            60: .TP
        !            61: .B \-p
        !            62: Dump the contents of the profile buffers into a
        !            63: .I gmon.out
        !            64: file.
        !            65: .TP
        !            66: .B \-r
        !            67: Reset all the profile buffers. 
        !            68: If the
        !            69: .B \-p
        !            70: flag is also specified, the
        !            71: .I gmon.out
        !            72: file is generated before the buffers are reset.
        !            73: .PP
        !            74: If neither 
        !            75: .B \-b
        !            76: nor
        !            77: .B \-h
        !            78: is specified, the state of profiling collection remains unchanged.
        !            79: For example, if the
        !            80: .B \-p
        !            81: flag is specified and profile data is being collected,
        !            82: profiling will be momentarily suspended,
        !            83: the operating system profile buffers will be dumped,
        !            84: and profiling will be immediately resumed.
        !            85: .SH FILES
        !            86: /vmunix \- the default system
        !            87: .br
        !            88: /dev/kmem \- the default memory
        !            89: .SH "SEE ALSO"
        !            90: gprof(1),
        !            91: config(8)
        !            92: .SH DIAGNOSTICS
        !            93: Users with only read permission on /dev/kmem cannot change the state
        !            94: of profiling collection. 
        !            95: They can get a 
        !            96: .I gmon.out
        !            97: file with the warning that the data may be
        !            98: inconsistent if profiling is in progress.

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