The earliest Kannada work on prosody was the Guṇagānkiyam, which has been lost.
Nagavarma I wrote a fairly complete work on prosody c. 984, called Chandombudhi.
[1] With a few additions by later writers, it still remains a standard work on Kannada prosody.
Kannada vachanas and Yakshagana poems are composed in these metres.
There are a set of rules to decide if a letter in a poem takes one or two Maatra time.
Harichandra Kavya, Jaimini Bharata are poems composed in these metres.
The Sanskrit Ramayana by Valmiki is composed in Laukika Anustup metre.
Modern Kannada poets use flexible metrical structure, sometimes completely neglecting rhythm patterns and focusing completely on the emotional value of lyric.