func addGCMetrics(p *newrelic.Plugin) {
numGC := metrics.NewMeter()
pauseDur := metrics.NewMeter()
pauseTime := metrics.NewHistogram(metrics.NewExpDecaySample(10000, 0.015))
gcr := &gcReader{
sampleRate: time.Second * 10,
numGC: numGC,
pauseDur: pauseDur,
pauseTime: pauseTime,
}
gcr.Run()
nrmetrics.AddMeterMetric(p, numGC, nrmetrics.MetricConfig{Name: "GC/GC Pauses Per Second", Unit: "pauses", Rate1: true, Rate5: true, Rate15: true})
nrmetrics.AddMeterMetric(p, pauseDur, nrmetrics.MetricConfig{Name: "GC/GC Pause Time Per Second", Unit: "nanoseconds", Rate1: true, Rate5: true, Rate15: true})
nrmetrics.AddHistogramMetric(p, pauseTime, nrmetrics.MetricConfig{
Name: "GC/GC Time Per Pause",
Unit: "pauses",
Duration: time.Microsecond,
Mean: true,
Percentiles: []float64{0.5, 0.75, 0.9, 0.99, 0.999},
})
}
func addMemoryMetrics(p *newrelic.Plugin) {
allocInUse := metrics.NewGauge()
allocTotal := metrics.NewGauge()
sys := metrics.NewGauge()
pointerLookups := metrics.NewMeter()
mallocs := metrics.NewMeter()
frees := metrics.NewMeter()
allocHeap := metrics.NewGauge()
heapSys := metrics.NewGauge()
heapIdle := metrics.NewGauge()
heapInUse := metrics.NewGauge()
heapReleased := metrics.NewGauge()
heapObjects := metrics.NewGauge()
stackInUse := metrics.NewGauge()
stackSys := metrics.NewGauge()
mspanInUse := metrics.NewGauge()
mspanSys := metrics.NewGauge()
mcacheInUse := metrics.NewGauge()
mcacheSys := metrics.NewGauge()
buckHashSys := metrics.NewGauge()
gcSys := metrics.NewGauge()
otherSys := metrics.NewGauge()
mr := &memReader{
sampleRate: time.Minute,
allocInUse: allocInUse,
allocTotal: allocTotal,
pointerLookups: pointerLookups,
mallocs: mallocs,
frees: frees,
allocHeap: allocHeap,
heapSys: heapSys,
heapIdle: heapIdle,
heapInUse: heapInUse,
heapReleased: heapReleased,
heapObjects: heapObjects,
stackInUse: stackInUse,
stackSys: stackSys,
mspanInUse: mspanInUse,
mspanSys: mspanSys,
mcacheInUse: mcacheInUse,
mcacheSys: mcacheSys,
buckHashSys: buckHashSys,
gcSys: gcSys,
otherSys: otherSys,
}
mr.Run()
nrmetrics.AddGaugeMetric(p, allocTotal, nrmetrics.MetricConfig{Name: "Memory/Summary/Allocated Over Time", Unit: "bytes", Value: true})
nrmetrics.AddGaugeMetric(p, sys, nrmetrics.MetricConfig{Name: "Memory/Summary/System/Total", Unit: "bytes", Value: true})
nrmetrics.AddGaugeMetric(p, heapSys, nrmetrics.MetricConfig{Name: "Memory/System/Heap", Unit: "bytes", Value: true})
nrmetrics.AddGaugeMetric(p, stackSys, nrmetrics.MetricConfig{Name: "Memory/System/Stack", Unit: "bytes", Value: true})
nrmetrics.AddGaugeMetric(p, mspanSys, nrmetrics.MetricConfig{Name: "Memory/System/MSpan", Unit: "bytes", Value: true})
nrmetrics.AddGaugeMetric(p, mcacheSys, nrmetrics.MetricConfig{Name: "Memory/System/MCache", Unit: "bytes", Value: true})
nrmetrics.AddGaugeMetric(p, buckHashSys, nrmetrics.MetricConfig{Name: "Memory/System/BuckHash", Unit: "bytes", Value: true})
nrmetrics.AddGaugeMetric(p, gcSys, nrmetrics.MetricConfig{Name: "Memory/System/GC", Unit: "bytes", Value: true})
nrmetrics.AddGaugeMetric(p, otherSys, nrmetrics.MetricConfig{Name: "Memory/System/Other", Unit: "bytes", Value: true})
nrmetrics.AddGaugeMetric(p, allocInUse, nrmetrics.MetricConfig{Name: "Memory/Summary/In Use/Total", Unit: "bytes", Value: true})
nrmetrics.AddGaugeMetric(p, heapInUse, nrmetrics.MetricConfig{Name: "Memory/In Use/Heap", Unit: "bytes", Value: true})
nrmetrics.AddGaugeMetric(p, stackInUse, nrmetrics.MetricConfig{Name: "Memory/In Use/Stack", Unit: "bytes", Value: true})
nrmetrics.AddGaugeMetric(p, mspanInUse, nrmetrics.MetricConfig{Name: "Memory/In Use/MSpan", Unit: "bytes", Value: true})
nrmetrics.AddGaugeMetric(p, mcacheInUse, nrmetrics.MetricConfig{Name: "Memory/In Use/MCache", Unit: "bytes", Value: true})
nrmetrics.AddGaugeMetric(p, allocHeap, nrmetrics.MetricConfig{Name: "Memory/Heap/Allocated", Unit: "bytes", Value: true})
nrmetrics.AddGaugeMetric(p, heapIdle, nrmetrics.MetricConfig{Name: "Memory/Heap/Idle", Unit: "bytes", Value: true})
nrmetrics.AddGaugeMetric(p, heapInUse, nrmetrics.MetricConfig{Name: "Memory/Heap/In Use", Unit: "bytes", Value: true})
nrmetrics.AddGaugeMetric(p, heapReleased, nrmetrics.MetricConfig{Name: "Memory/Heap/Released", Unit: "bytes", Value: true})
nrmetrics.AddGaugeMetric(p, heapObjects, nrmetrics.MetricConfig{Name: "Memory/Events/Allocated Heap Objects", Unit: "objects", Value: true})
nrmetrics.AddMeterMetric(p, pointerLookups, nrmetrics.MetricConfig{
Name: "Memory/Events/Pointer Lookups",
Unit: "lookups",
Rate1: true,
Rate5: true,
Rate15: true,
})
nrmetrics.AddMeterMetric(p, mallocs, nrmetrics.MetricConfig{
Name: "Memory/Events/Mallocs",
Unit: "mallocs",
Rate1: true,
Rate5: true,
Rate15: true,
})
nrmetrics.AddMeterMetric(p, frees, nrmetrics.MetricConfig{
Name: "Memory/Events/Frees",
Unit: "frees",
Rate1: true,
Rate5: true,
Rate15: true,
})
}