1 .\" Copyright (c) 2003 Giorgos Keramidas
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30 .Nd print statistics about GEOM disks
39 utility can be used to monitor I/O transactions of
43 The options are as follows:
44 .Bl -tag -width indent
46 Only display providers that are at least 0.1% busy.
49 Collect numbers, print and exit.
50 Default if stdout is not a tty.
53 Same as batch mode, but does not exit after collecting
54 the first set of data.
59 The default is to show statistics only for
64 Implies endless batch mode, but output is in the form of comma-separated
65 values, with ISO 8601-like timestamps.
67 Enable display of statistics for delete
71 A regular expression that can be used to only show statistics for some
73 Only devices with the names matching
76 The format of the regular expression is described in
79 Enable display of statistics for other operations
82 Enable blocks' size statistics.
93 (the default) indicates that the update interval is specified in
94 seconds, milliseconds, or microseconds, respectively.
96 Only display physical providers (those with rank of 1).
98 .Sh INTERACTIVE COMMANDS
99 These commands are currently recognized if
101 is not running in batch mode:
102 .Bl -tag -width indent
104 Halve the update interval.
106 Double the update interval.
112 Display only devices with the names matching regular expression filter
115 Remove device filter.