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28 .\" @(#)kgmon.8 8.1 (Berkeley) 6/6/93
36 .Nd generate a dump of the operating system's profile buffers
45 utility is used when profiling the operating system.
46 When no arguments are supplied,
48 indicates the state of operating system profiling as running,
49 off, or not configured.
56 extracts profile data from the operating system and produces a
58 file suitable for later analysis by
61 The options are as follows:
64 Resume the collection of high resolution profile data.
66 Resume the collection of low resolution profile data.
68 Stop the collection of profile data.
70 Dump the contents of the profile buffers into a
74 Reset all the profile buffers.
77 flag is also specified, the
79 file is generated before the buffers are reset.
81 Extract values associated with the name list from the specified core
82 instead of the default
85 Extract the name list from the specified system instead of the
87 .Pa /boot/kernel/kernel .
96 is specified, the state of profiling collection remains unchanged.
99 flag is specified and profile data is being collected,
100 profiling will be momentarily suspended,
101 the operating system profile buffers will be dumped,
102 and profiling will be immediately resumed.
104 The profile buffers should be reset when the resolution
105 of the profile data is changed.
107 .Bl -tag -width /boot/kernel/kernel -compact
108 .It Pa /boot/kernel/kernel
117 Users with only read permission on
119 cannot change the state
120 of profiling collection.
123 file with the warning that the data may be
124 inconsistent if profiling is in progress.