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10 changes: 4 additions & 6 deletions metrics/timer.go
Original file line number Diff line number Diff line change
Expand Up @@ -106,20 +106,18 @@ func (t *StandardTimer) Time(f func()) {
t.Update(time.Since(ts))
}

// Record the duration of an event.
// Record the duration of an event, in nanoseconds.
func (t *StandardTimer) Update(d time.Duration) {
t.mutex.Lock()
defer t.mutex.Unlock()
t.histogram.Update(int64(d))
t.histogram.Update(d.Nanoseconds())
t.meter.Mark(1)
}

// Record the duration of an event that started at a time and ends now.
// The record uses nanoseconds.
func (t *StandardTimer) UpdateSince(ts time.Time) {
t.mutex.Lock()
defer t.mutex.Unlock()
t.histogram.Update(int64(time.Since(ts)))
t.meter.Mark(1)
t.Update(time.Since(ts))
}

// timerSnapshot is a read-only copy of another Timer.
Expand Down
2 changes: 1 addition & 1 deletion rpc/metrics.go
Original file line number Diff line number Diff line change
Expand Up @@ -46,5 +46,5 @@ func updateServeTimeHistogram(method string, success bool, elapsed time.Duration
metrics.NewExpDecaySample(1028, 0.015),
)
}
metrics.GetOrRegisterHistogramLazy(h, nil, sampler).Update(elapsed.Microseconds())
metrics.GetOrRegisterHistogramLazy(h, nil, sampler).Update(elapsed.Nanoseconds())
}