Fix for Histogram in registry.writePB

2015-02-20 19:08:36 +01:00 · 2015-02-20 19:08:36 +01:00 · 69c8dc87e9
parent bc1f2b27ad
commit 69c8dc87e9
1 changed files with 2 additions and 0 deletions
--- a/prometheus/registry.go
+++ b/prometheus/registry.go
@ -464,6 +464,8 @@ func (r *registry) writePB(w io.Writer, writeEncoded encoder) (int, error) {
 			metricFamily.Type = dto.MetricType_SUMMARY.Enum()
 		case dtoMetric.Untyped != nil:
 			metricFamily.Type = dto.MetricType_UNTYPED.Enum()
+		case dtoMetric.Histogram != nil:
+			metricFamily.Type = dto.MetricType_HISTOGRAM.Enum()
 		default:
 			return 0, fmt.Errorf("empty metric collected: %s", dtoMetric)
 		}