consul/vendor/github.com/circonus-labs/circonus-gometrics/gauge.go

40 lines
990 B
Go

package circonusgometrics
// A Gauge is an instantaneous measurement of a value.
//
// Use a gauge to track metrics which increase and decrease (e.g., amount of
// free memory).
// Gauge sets a gauge to a value
func (m *CirconusMetrics) Gauge(metric string, val int64) {
m.SetGauge(metric, val)
}
// SetGauge sets a gauge to a value
func (m *CirconusMetrics) SetGauge(metric string, val int64) {
m.gm.Lock()
defer m.gm.Unlock()
m.gauges[metric] = val
}
// RemoveGauge removes a gauge
func (m *CirconusMetrics) RemoveGauge(metric string) {
m.gm.Lock()
defer m.gm.Unlock()
delete(m.gauges, metric)
}
// SetGaugeFunc sets a gauge to a function [called at flush interval]
func (m *CirconusMetrics) SetGaugeFunc(metric string, fn func() int64) {
m.gfm.Lock()
defer m.gfm.Unlock()
m.gaugeFuncs[metric] = fn
}
// RemoveGaugeFunc removes a gauge function
func (m *CirconusMetrics) RemoveGaugeFunc(metric string) {
m.gfm.Lock()
defer m.gfm.Unlock()
delete(m.gaugeFuncs, metric)
}