//measure the time
func (proxy *Metrics) measure(startTime time.Time, query string) {
elapsedTime := time.Now().Sub(startTime)
if Summary {
if proxy.timers[query] == nil {
mutex.Lock()
if proxy.timers[query] == nil {
proxy.timers[query] = metrics.NewTimer()
}
mutex.Unlock()
}
proxy.timers[query].Update(elapsedTime)
}
if Verbose {
proxy.printVerbose(elapsedTime, query)
}
}
func (proxy *Metrics) printMetrics(duration int) {
for query, timer := range proxy.timers {
count := timer.Count()
if count > 0 {
fmt.Printf(
"time:%v\tdb:%s\tquery:%s\tcount:%d\tmax:%f\tmean:%f\tmin:%f\tpercentile95:%f\tsum:%f\tduration:%d\n",
time.Now(),
proxy.name,
query,
timer.Count(),
float64(timer.Max())/float64(time.Second),
timer.Mean()/float64(time.Second),
float64(timer.Min())/float64(time.Second),
timer.Percentile(0.95)/float64(time.Second),
float64(timer.Sum())/float64(time.Second),
duration,
)
proxy.timers[query] = metrics.NewTimer()
}
}
}