Adding backlog/current queue length to qdisc collector

Signed-off-by: fach <shaw38@gmail.com>

1 files changed, 14 insertions, 0 deletions

diff --git a/collector/qdisc_linux.go b/collector/qdisc_linux.go
index daba199..ba462a0 100644
--- a/collector/qdisc_linux.go
+++ b/collector/qdisc_linux.go
@@ -32,6 +32,8 @@ type qdiscStatCollector struct {
         drops      typedDesc
         requeues   typedDesc
         overlimits typedDesc
+        qlength    typedDesc
+        backlog    typedDesc
         logger     log.Logger
 }
 
@@ -71,6 +73,16 @@ func NewQdiscStatCollector(logger log.Logger) (Collector, error) {
                         "Number of overlimit packets.",
                         []string{"device", "kind"}, nil,
                 ), prometheus.CounterValue},
+                qlength: typedDesc{prometheus.NewDesc(
+                        prometheus.BuildFQName(namespace, "qdisc", "current_queue_length"),
+                        "Number of packets currently in queue to be sent.",
+                        []string{"device", "kind"}, nil,
+                ), prometheus.GaugeValue},
+                backlog: typedDesc{prometheus.NewDesc(
+                        prometheus.BuildFQName(namespace, "qdisc", "backlog"),
+                        "Number of bytes currently in queue to be sent.",
+                        []string{"device", "kind"}, nil,
+                ), prometheus.GaugeValue},
                 logger: logger,
         }, nil
 }
@@ -114,6 +126,8 @@ func (c *qdiscStatCollector) Update(ch chan<- prometheus.Metric) error {
                 ch <- c.drops.mustNewConstMetric(float64(msg.Drops), msg.IfaceName, msg.Kind)
                 ch <- c.requeues.mustNewConstMetric(float64(msg.Requeues), msg.IfaceName, msg.Kind)
                 ch <- c.overlimits.mustNewConstMetric(float64(msg.Overlimits), msg.IfaceName, msg.Kind)
+                ch <- c.qlength.mustNewConstMetric(float64(msg.Qlen), msg.IfaceName, msg.Kind)
+                ch <- c.backlog.mustNewConstMetric(float64(msg.Backlog), msg.IfaceName, msg.Kind)
         }
 
         return nil