registry.go
func (r *Registry) Flush() error {
	r.mutex.RLock()
	reporters := r.reporters
	rtags := r.tags
	r.mutex.RUnlock()

	for _, rep := range reporters {
		if err := rep.Prep(); err != nil {
			return err
		}
	}

	for metricID, val := range r.reset() {
		name, tags := SplitMetricID(metricID)
		if len(name) > 0 && name[0] == '|' {
			name = name[1:]
		} else {
			name = r.prefix + name
		}
		tags = append(tags, rtags...)

		switch inst := val.(type) {
		case Discrete:
			val := inst.Snapshot()
			for _, rep := range reporters {
				if err := rep.Discrete(name, tags, val); err != nil {
					return err
				}
			}
		case Sample:
			val := inst.Snapshot()
			for _, rep := range reporters {
				if err := rep.Sample(name, tags, val); err != nil {
					return err
				}
			}
			releaseDistribution(val)
		}
	}

	for _, rep := range reporters {
		if err := rep.Flush(); err != nil {
			return err
		}
	}
	return nil
}
func (r *Registry) Flush() error {
	r.mutex.RLock()
	reporters := r.reporters
	rtags := r.tags
	r.mutex.RUnlock()

	for _, rep := range reporters {
		if err := rep.Prep(); err != nil {
			return err
		}
	}

	for metricID, val := range r.reset() {
		name, tags := SplitMetricID(metricID)
		if len(name) > 0 && name[0] == '|' {
			name = name[1:]
		} else {
			name = r.prefix + name
		}
		tags = append(tags, rtags...)

		switch inst := val.(type) {
		case Discrete:
			val := inst.Snapshot()
			for _, rep := range reporters {
				if err := rep.Discrete(name, tags, val); err != nil {
					return err
				}
			}
		case Sample:
			val := inst.Snapshot()
			for _, rep := range reporters {
				if err := rep.Sample(name, tags, val); err != nil {
					return err
				}
			}
			releaseDistribution(val)
		}
	}

	for _, rep := range reporters {
		if err := rep.Flush(); err != nil {
			return err
		}
	}
	return nil
}
func ( r * Registry ) Flush ( ) error { r . mutex . RLock ( ) reporters := r . reporters rtags := r . tags r . mutex . RUnlock ( ) for _ , rep := range reporters { if err := rep . Prep ( ) ; err != nil { return err } } for metricID , val := range r . reset ( ) { name , tags := SplitMetricID ( metricID ) if len ( name ) > 0 && name [ 0 ] == '|' { name = name [ 1 : ] } else { name = r . prefix + name } tags = append ( tags , rtags ... ) switch inst := val . ( type ) { case Discrete : val := inst . Snapshot ( ) for _ , rep := range reporters { if err := rep . Discrete ( name , tags , val ) ; err != nil { return err } } case Sample : val := inst . Snapshot ( ) for _ , rep := range reporters { if err := rep . Sample ( name , tags , val ) ; err != nil { return err } } releaseDistribution ( val ) } } for _ , rep := range reporters { if err := rep . Flush ( ) ; err != nil { return err } } return nil }
// Flush performs a manual flush to all subscribed reporters.
// This method is usually called by a background thread
// every flushInterval, specified in New()
Flush performs a manual flush to all subscribed reporters . This method is usually called by a background thread every flushInterval specified in New ()