PERCENT/{stream, substream}, location1 percentage,location2 percentage {,location3 percentage...}
example:
if there are buffer A and buffer B
change output rule as below:
percent/1 A 80%, B 20%
% |4 `- t, Y6 V1 L0 h( [2 z3 Fexample: ' ~% C8 O3 c1 b2 d. k4 T: S
if there are buffer A and buffer B 1 f- V" R+ c: `7 d j; D1 Z- }$ M. `
change output rule as below: 9 V- o; F) C5 p5 ^percent/1 A 80%, B 20%