DTrace is tuned by setting or enabling options. The available options are described in the following table. For more information, see the dtrace(8) man page.
Values that denote sizes may be given an optional suffix of k, m, g, or t to denote kilobytes, megabytes, gigabytes, and terabytes respectively. Values that denote times may be given an optional suffix of ns, us, ms, s or hz to denote nanoseconds, microseconds, milliseconds, seconds, and number-per-second, respectively.