1 files changed, 2 insertions, 1 deletions

diff --git a/overlays/cake-prometheus-exporter/cake-prometheus-exporter.py b/overlays/cake-prometheus-exporter/cake-prometheus-exporter.py
index be5202d0..965736dd 100644
--- a/overlays/cake-prometheus-exporter/cake-prometheus-exporter.py
+++ b/overlays/cake-prometheus-exporter/cake-prometheus-exporter.py
@@ -70,6 +70,7 @@ class CAKEMetrics:
                 'bytes': qdisc['bytes'],
                 'packets': qdisc['packets'],
                 'drops': qdisc['drops'],
+                'ecn_mark': sum(map(lambda tin: tin['enc_mark'], qdisc['tins'])),
                 'overlimits': qdisc['overlimits'],
                 'requeues': qdisc['requeues'],
                 'tins': tins
@@ -84,7 +85,7 @@ class CAKEMetrics:
         metrics = ''
 
         metrics += _format_prom_metrics('cake_bytes', 'counter', [({'dev': dev}, self.attrs[dev]['bytes']) for dev in self.attrs])
-        for packet_counter in ['packets', 'overlimits', 'requeues', 'drops']:
+        for packet_counter in ['packets', 'overlimits', 'requeues', 'drops', 'ecn_mark']:
             metrics += _format_prom_metrics(f'cake_{packet_counter}', 'counter', [({'dev': dev}, self.attrs[dev][packet_counter]) for dev in self.attrs])
 
         metrics += _format_prom_metrics('cake_tin_bytes', 'counter', [({'dev': dev, 'tin': tin}, self.attrs[dev]['tins'][tin]['bytes']) for dev in self.attrs for tin in self.attrs[dev]['tins']])