not use the matched subexpression, but simply count the number of matched
lines. Thus, you may use a regular expression without submatch in this case.
+=item B<Latency>
+
+Special type to handle latency values from logfiles. The matched value must be
+latency in seconds, floating point numbers are supported.
+Should be used with B<LatencyPercentile> or B<LatencyRate> options.
+
+The B<Instance> option cannot be used together with B<DSType> B<Latency>.
+
=back
As you'd expect the B<Gauge*> types interpret the submatch as a floating point
This optional setting sets the type instance to use.
+=item B<LatencyPercentile> I<Percent>
+
+Calculate and dispatch the configured percentile, i.e. compute the latency, so
+that I<Percent> of all matched latency values are smaller than or equal to the
+computed latency.
+
+Different percentiles can be calculated by setting this option several times.
+
+=item B<LatencyPercentileType> I<Type>
+Sets the type used to dispatch B<LatencyPercentile> values.
+
+=item B<LatencyRate> I<lower_latency> I<upper_latency>
+
+Calculate and dispatch rate of latency values fall within requested interval.
+Interval specified as [I<lower_latency>,I<upper_latency>] (including boundaries).
+When I<upper_latency> value is equal to 0 then interval is [lower, infinity).
+
+Rates for different intervals can be calculated by setting this option several
+times.
+
+=item B<LatencyRateType> I<Type>
+Sets the type used to dispatch B<LatencyRate> values.
+
=back
=head2 Plugin C<tail_csv>