Counter description: Store tagKvs should be formatted as "key:value" example: counter("request.count", 1, "method:user", "type:upload").

EnableMetrics if not set, will not report metrics.

EnableMetricsLog if not set, will not report metrics logs.

Latency The unit of `begin` is milliseconds example: latency("request.latency", startTime, "method:user", "type:upload") description: Store tagKvs should be formatted as "key:value".

Meter description: - meter(xx) = counter(xx) + rateCounter(xx.rate) - Store tagKvs should be formatted as "key:value" example: rateCounter("request.count", 1, "method:user", "type:upload").

RateCounter description: Store tagKvs should be formatted as "key:value" example: rateCounter("request.count", 1, "method:user", "type:upload").

Store description: Store tagKvs should be formatted as "key:value" example: store("goroutine.count", 400, "ip:127.0.0.1").

Timer The unit of `value` is milliseconds example: timer("request.cost", 100, "method:user", "type:upload") description: Store tagKvs should be formatted as "key:value".

WithReportInterval set the interval of reporting metrics.