func doSummary(s *gcstats.GcStats) {
// Pause time: Max, 99th %ile, 95th %ile, mean
// Mutator utilization
// 50ms mutator utilization: Min, 1st %ile, 5th %ile
pauseTimes := stats.Sample{Xs: []float64{}}
for _, stop := range s.Stops() {
pauseTimes.Xs = append(pauseTimes.Xs, float64(stop.Duration))
}
pauseTimes.Sort()
fmt.Print("Pause times: max=", ns(pauseTimes.Percentile(1)), " 99th %ile=", ns(pauseTimes.Percentile(.99)), " 95th %ile=", ns(pauseTimes.Percentile(.95)), " mean=", ns(pauseTimes.Mean()), "\n")
if s.HaveProgTimes() {
fmt.Print("Mutator utilization: ", pct(s.MutatorUtilization()), "\n")
fmt.Print("50ms mutator utilization: min=", pct(s.MMUs([]int{50000000})[0]), "\n")
}
}
func stopKDEs(s *gcstats.GcStats) map[gcstats.PhaseKind]*stats.KDE {
stops := s.Stops()
times := make(map[gcstats.PhaseKind]stats.Sample)
for _, stop := range stops {
s := times[stop.Kind]
s.Xs = append(s.Xs, float64(stop.Duration)/1e9)
times[stop.Kind] = s
}
kdes := make(map[gcstats.PhaseKind]*stats.KDE)
for kind, sample := range times {
// XXX Bandwidth
kdes[kind] = &stats.KDE{
Sample: sample,
//Bandwidth: stats.FixedBandwidth(100000),
BoundaryMethod: stats.BoundaryReflect,
BoundaryMax: math.Inf(1),
}
}
return kdes
}