Macro fmetric 

macro_rules! fmetric {
    ($name:expr, $unit:expr, $value:expr) => { ... };
    ($name:expr, $unit:expr, $properties:expr, $value:expr) => { ... };
}

Records a float metric.

Examples

use micromegas_tracing::fmetric;

fmetric!("Frame Time", "ticks", 1000.0);