[ATMOSPHERE-341] 2023 2 bobcat enable softirq monitoring (#1733)

Fixes #2220
diff --git a/roles/kube_prometheus_stack/vars/main.yml b/roles/kube_prometheus_stack/vars/main.yml
index 1ea150a..1a0be77 100644
--- a/roles/kube_prometheus_stack/vars/main.yml
+++ b/roles/kube_prometheus_stack/vars/main.yml
@@ -553,6 +553,7 @@
       - --collector.netdev.device-exclude=^(lxc|cilium_|qbr|qvb|qvo|tap|ovs-system|br|tbr|gre_sys|[0-9a-f]+_eth|vxlan).*$
       - --collector.processes
       - --collector.systemd
+      - --collector.stat.softirq
     prometheus:
       monitor:
         relabelings: *relabelings_instance_to_node_name