Move to vendor

Signed-off-by: Olivier Gambier <olivier@docker.com>

vendor/github.com/yvasiyarov/gorelic/gc_metrics.go

@@ -0,0 +1,65 @@
+package gorelic
+
+import (
+	metrics "github.com/yvasiyarov/go-metrics"
+	"github.com/yvasiyarov/newrelic_platform_go"
+	"time"
+)
+
+func newGCMetricaDataSource(pollInterval int) goMetricaDataSource {
+	r := metrics.NewRegistry()
+
+	metrics.RegisterDebugGCStats(r)
+	go metrics.CaptureDebugGCStats(r, time.Duration(pollInterval)*time.Second)
+	return goMetricaDataSource{r}
+}
+
+func addGCMericsToComponent(component newrelic_platform_go.IComponent, pollInterval int) {
+	metrics := []*baseGoMetrica{
+		&baseGoMetrica{
+			name:          "NumberOfGCCalls",
+			units:         "calls",
+			dataSourceKey: "debug.GCStats.NumGC",
+		},
+		&baseGoMetrica{
+			name:          "PauseTotalTime",
+			units:         "nanoseconds",
+			dataSourceKey: "debug.GCStats.PauseTotal",
+		},
+	}
+
+	ds := newGCMetricaDataSource(pollInterval)
+	for _, m := range metrics {
+		m.basePath = "Runtime/GC/"
+		m.dataSource = ds
+		component.AddMetrica(&gaugeMetrica{m})
+	}
+
+	histogramMetrics := []*histogramMetrica{
+		&histogramMetrica{
+			statFunction:  histogramMax,
+			baseGoMetrica: &baseGoMetrica{name: "Max"},
+		},
+		&histogramMetrica{
+			statFunction:  histogramMin,
+			baseGoMetrica: &baseGoMetrica{name: "Min"},
+		},
+		&histogramMetrica{
+			statFunction:  histogramMean,
+			baseGoMetrica: &baseGoMetrica{name: "Mean"},
+		},
+		&histogramMetrica{
+			statFunction:    histogramPercentile,
+			percentileValue: 0.95,
+			baseGoMetrica:   &baseGoMetrica{name: "Percentile95"},
+		},
+	}
+	for _, m := range histogramMetrics {
+		m.baseGoMetrica.units = "nanoseconds"
+		m.baseGoMetrica.dataSourceKey = "debug.GCStats.Pause"
+		m.baseGoMetrica.basePath = "Runtime/GC/GCTime/"
+		m.baseGoMetrica.dataSource = ds
+
+		component.AddMetrica(m)
+	}
+}