Add additional PromQL operators to synthetic load

prombench/manifests/prombench/benchmark/6_loadgen.yaml

@@ -20,7 +20,7 @@ data:
         - expr: codelab_api_http_requests_in_progress
         - expr: 'codelab_api_requests_total{method="GET",path="/api/bar",status="200"}'
       - name: aggr_instant
-        interval: 5s
+        interval: 15s
         type: instant
         queries:
         - expr: sum by(image) (container_memory_rss)
@@ -45,9 +45,28 @@ data:
         queries:
         - expr: rate(codelab_api_requests_total{method=~"GET|POST"}[5m])
         - expr: sum without(instance) (rate(codelab_api_requests_total{method=~"GET|POST"}[5m]))
-        - expr: histogram_quantile(0.99, sum by(path, le) (rate(codelab_api_request_duration_seconds_bucket{method="POST"}[5m])))
         - expr: histogram_quantile(0.99, sum by(path, method, le) (rate(codelab_api_request_duration_seconds_bucket{method="POST"}[5m])))
         - expr: histogram_quantile(0.99, sum by(instance, le) (rate(codelab_api_request_duration_seconds_bucket{method="POST"}[5m])))
+      - name: arithmetic_operation
+        interval: 30s
+        type: instant
+        queries:
+        - expr: rate(go_memstats_frees_total[5m]) * 60
+        - expr: rate(codelab_api_requests_total{method=~"GET|POST"}[5m]) - rate(codelab_api_request_duration_seconds_sum{method=~"GET|POST"}[5m])
+        - expr: rate(go_gc_duration_seconds_sum{job=~"fake-webservers-[0-9]+"}[5m]) / rate(go_gc_duration_seconds_count{job=~"fake-webservers-[0-9]+"}[5m])        
+        - expr: sum by (instance, job) (rate(codelab_api_request_errors_total[5m])) / sum by (instance, job) (rate(go_memstats_mallocs_total[10m]))
+      - name: logic_operator
+        interval: 30s
+        type: instant
+        queries:
+        - expr: codelab_api_request_duration_seconds_sum{status="200"} or codelab_api_request_duration_seconds_sum{status="500"}
+        - expr: codelab_api_request_duration_seconds_count{method="POST"} unless codelab_api_request_duration_seconds_count{status="500"}
+      - name: topk
+        interval: 10s
+        type: instant
+        queries:
+        - expr: topk(20, sum(rate(go_gc_duration_seconds_count[5m])) by (instance, job))
+        - expr: topk(10, sum(codelab_api_request_duration_seconds_count) by (method,job))     
 ---
 apiVersion: apps/v1
 kind: Deployment