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28 .\" @(#)kgmon.8 8.1 (Berkeley) 6/6/93
29 .\" $FreeBSD: src/usr.sbin/kgmon/kgmon.8,v 1.7.2.4 2003/03/11 21:13:50 trhodes Exp $
30 .\" $DragonFly: src/usr.sbin/kgmon/kgmon.8,v 1.4 2008/09/02 11:50:46 matthias Exp $
37 .Nd generate a dump of the operating system's profile buffers
46 utility is used when profiling the operating system.
47 When no arguments are supplied,
49 indicates the state of operating system profiling as running,
50 off, or not configured.
57 extracts profile data from the operating system and produces a
59 file suitable for later analysis by
62 The options are as follows:
65 Resume the collection of high resolution profile data.
67 Resume the collection of low resolution profile data.
69 Stop the collection of profile data.
71 Dump the contents of the profile buffers into a
75 Reset all the profile buffers.
78 flag is also specified, the
80 file is generated before the buffers are reset.
82 Extract values associated with the name list from the specified core
83 instead of the default
86 Extract the name list from the specified system instead of the
97 is specified, the state of profiling collection remains unchanged.
100 flag is specified and profile data is being collected,
101 profiling will be momentarily suspended,
102 the operating system profile buffers will be dumped,
103 and profiling will be immediately resumed.
105 The profile buffers should be reset when the resolution
106 of the profile data is changed.
108 .Bl -tag -width /dev/kmemx -compact
115 Users with only read permission on
117 cannot change the state
118 of profiling collection.
121 file with the warning that the data may be
122 inconsistent if profiling is in progress.