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32 .\" @(#)kgmon.8 8.1 (Berkeley) 6/6/93
33 .\" $FreeBSD: src/usr.sbin/kgmon/kgmon.8,v 1.7.2.4 2003/03/11 21:13:50 trhodes Exp $
34 .\" $DragonFly: src/usr.sbin/kgmon/kgmon.8,v 1.3 2006/02/17 19:40:16 swildner Exp $
41 .Nd generate a dump of the operating system's profile buffers
50 utility is used when profiling the operating system.
51 When no arguments are supplied,
53 indicates the state of operating system profiling as running,
54 off, or not configured.
61 extracts profile data from the operating system and produces a
63 file suitable for later analysis by
66 The options are as follows:
69 Resume the collection of high resolution profile data.
71 Resume the collection of low resolution profile data.
73 Stop the collection of profile data.
75 Dump the contents of the profile buffers into a
79 Reset all the profile buffers.
82 flag is also specified, the
84 file is generated before the buffers are reset.
86 Extract values associated with the name list from the specified core
87 instead of the default
90 Extract the name list from the specified system instead of the
101 is specified, the state of profiling collection remains unchanged.
104 flag is specified and profile data is being collected,
105 profiling will be momentarily suspended,
106 the operating system profile buffers will be dumped,
107 and profiling will be immediately resumed.
109 The profile buffers should be reset when the resolution
110 of the profile data is changed.
112 .Bl -tag -width /dev/kmemx -compact
119 Users with only read permission on
121 cannot change the state
122 of profiling collection.
125 file with the warning that the data may be
126 inconsistent if profiling is in progress.