print statistics about GEOM disks
gstat utility can be used to monitor I/O
The options are as follows:
These commands are currently recognized if
- Only display providers that are at least 0.1% busy.
- Batch mode. Collect numbers, print and exit. Default if stdout is not a
- Endless batch mode. Same as batch mode, but does not exit after collecting
the first set of data.
- Enable display of
consumers too. The default is to show statistics only for
- CSV output mode. Implies endless batch mode, but output is in the form of
comma-separated values, with ISO 8601-like timestamps.
- Enable display of statistics for delete
- A regular expression that can be used to only show statistics for some
devices. Only devices with the names matching filter
will be displayed. The format of the regular expression is described in
- Enable display of statistics for other operations
- Enable blocks' size statistics.
- Refresh the
gstat display every
interval microseconds. Adding a suffix of
us (the default) indicates that the update
interval is specified in seconds, milliseconds, or microseconds,
- Only display physical providers (those with rank of 1).
gstat is not
running in batch mode:
- Halve the update interval.
- Double the update interval.
- Toggle display of
- Display only devices with the names matching regular expression filter
(prompt for filter).
- Remove device filter.
gstat utility exits 0 on success,
and >0 if an error occurs.
gstat utility appeared in FreeBSD