==== first try ====
```
# TYPE yolo_gauge gauge
yolo_gauge{level="max"} 2525
# HELP t_c2 more awesome than c1
# TYPE t_c2 counter
t_c2 1
# TYPE t_c1 counter
t_c1 42
# HELP latency latency
# TYPE latency histogram
latency_bucket{le="0.01"} 2
latency_bucket{le="0.1"} 4
latency_bucket{le="0.5"} 7
latency_bucket{le="1."} 8
latency_bucket{le="10."} 9
latency_bucket{le="+Inf"} 10
latency_count 10
latency_sum 31.530

```
==== second try====
```
# TYPE yolo_gauge gauge
yolo_gauge{level="max"} 42000
# HELP t_c2 more awesome than c1
# TYPE t_c2 counter
t_c2 2
# TYPE t_c1 counter
t_c1 53
# HELP latency latency
# TYPE latency histogram
latency_bucket{le="0.01"} 2
latency_bucket{le="0.1"} 4
latency_bucket{le="0.5"} 8
latency_bucket{le="1."} 9
latency_bucket{le="10."} 10
latency_bucket{le="+Inf"} 12
latency_count 12
latency_sum 54.930

```