extra-queries: show example pg_stat_statements user

Author: tmc

queries.yaml

@@ -88,3 +88,67 @@ pg_database:
     - size:
         usage: "GAUGE"
         description: "Disk space used by the database"
+
+pg_stat_statements:
+  query: "SELECT query, calls, total_time, min_time, max_time, mean_time, stddev_time, rows, shared_blks_hit, shared_blks_read, shared_blks_dirtied, shared_blks_written, local_blks_hit, local_blks_read, local_blks_dirtied, local_blks_written, temp_blks_read, temp_blks_written, blk_read_time, blk_write_time FROM pg_stat_statements"
+  metrics:
+    - query:
+        usage: "LABEL"
+        description: "Query class"
+    - calls:
+        usage: "COUNTER"
+        description: "Number of times executed"
+    - total_time:
+        usage: "COUNTER"
+        description: "Total time spent in the statement, in milliseconds"
+    - min_time:
+        usage: "GAUGE"
+        description: "Minimum time spent in the statement, in milliseconds"
+    - max_time:
+        usage: "GAUGE"
+        description: "Maximum time spent in the statement, in milliseconds"
+    - mean_time:
+        usage: "GAUGE"
+        description: "Mean time spent in the statement, in milliseconds"
+    - stddev_time:
+        usage: "GAUGE"
+        description: "Population standard deviation of time spent in the statement, in milliseconds"
+    - rows:
+        usage: "COUNTER"
+        description: "Total number of rows retrieved or affected by the statement"
+    - shared_blks_hit:
+        usage: "COUNTER"
+        description: "Total number of shared block cache hits by the statement"
+    - shared_blks_read:
+        usage: "COUNTER"
+        description: "Total number of shared blocks read by the statement"
+    - shared_blks_dirtied:
+        usage: "COUNTER"
+        description: "Total number of shared blocks dirtied by the statement"
+    - shared_blks_written:
+        usage: "COUNTER"
+        description: "Total number of shared blocks written by the statement"
+    - local_blks_hit:
+        usage: "COUNTER"
+        description: "Total number of local block cache hits by the statement"
+    - local_blks_read:
+        usage: "COUNTER"
+        description: "Total number of local blocks read by the statement"
+    - local_blks_dirtied:
+        usage: "COUNTER"
+        description: "Total number of local blocks dirtied by the statement"
+    - local_blks_written:
+        usage: "COUNTER"
+        description: "Total number of local blocks written by the statement"
+    - temp_blks_read:
+        usage: "COUNTER"
+        description: "Total number of temp blocks read by the statement"
+    - temp_blks_written:
+        usage: "COUNTER"
+        description: "Total number of temp blocks written by the statement"
+    - blk_read_time:
+        usage: "COUNTER"
+        description: "Total time the statement spent reading blocks, in milliseconds (if track_io_timing is enabled, otherwise zero)"
+    - blk_write_time:
+        usage: "COUNTER"
+        description: "Total time the statement spent writing blocks, in milliseconds (if track_io_timing is enabled, otherwise zero)"