feat: use node_exporter metrics for node CPU (#16)

Use the node_exporter CPU metrics to get system level data. Fixes: #3 Signed-off-by: SuperQ <superq@gmail.com>
dotdc · Jul 18, 2022 · 27e4577 · 27e4577
1 parent 879bd4c
commit 27e4577
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/dashboards/k8s-views-global.json b/dashboards/k8s-views-global.json
@@ -148,7 +148,7 @@
           },
           "editorMode": "code",
           "exemplar": true,
-          "expr": "sum(rate(container_cpu_usage_seconds_total{id=\"/\"}[$__rate_interval])) / sum(machine_cpu_cores)",
+          "expr": "avg(1-rate(node_cpu_seconds_total{mode=\"idle\"}[$__rate_interval]))",
           "interval": "",
           "legendFormat": "Real",
           "range": true,
@@ -686,7 +686,7 @@
           },
           "editorMode": "code",
           "exemplar": true,
-          "expr": "sum(rate(container_cpu_usage_seconds_total{id=\"/\"}[$__rate_interval]))",
+          "expr": "sum(1-rate(node_cpu_seconds_total{mode=\"idle\"}}[$__rate_interval]))",
           "interval": "",
           "legendFormat": "Real",
           "range": true,
@@ -998,7 +998,7 @@
             "uid": "${datasource}"
           },
           "exemplar": true,
-          "expr": "sum(rate(container_cpu_usage_seconds_total{id=\"/\"}[$__rate_interval])) / sum(machine_cpu_cores)",
+          "expr": "avg(1-rate(node_cpu_seconds_total{mode=\"idle\"}[$__rate_interval]))",
           "interval": "$resolution",
           "legendFormat": "CPU usage in %",
           "refId": "A"
@@ -1396,7 +1396,7 @@
             "uid": "${datasource}"
           },
           "exemplar": true,
-          "expr": "sum(rate(container_cpu_usage_seconds_total{image!=\"\"}[$__rate_interval])) by (node) / sum(machine_cpu_cores) by (node)",
+          "expr": "avg by (node) (1-rate(node_cpu_seconds_total{mode=\"idle\"}[$__rate_interval]))",
           "interval": "$resolution",
           "legendFormat": "{{ node }}",
           "refId": "A"