Add CPU time getrusage panels

Closes #71

Author: DifferentialOrange

CHANGELOG.md

@@ -13,6 +13,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Cartridge issues panels and "Cluster overview" row
 - Network activity row and panels
 - Non-CRUD operations panels
+- CPU time getrusage panels
 
 ## Changed
 - Update metrics version to 0.9.0

tarantool/cpu.libsonnet

@@ -0,0 +1,97 @@
+local grafana = import 'grafonnet/grafana.libsonnet';
+
+local graph = grafana.graphPanel;
+local influxdb = grafana.influxdb;
+local prometheus = grafana.prometheus;
+
+{
+  local getrusage_cpu_time_graph(
+    title,
+    description,
+    datasource,
+    policy,
+    measurement,
+    job,
+    rate_time_range,
+    metric_name,
+  ) = graph.new(
+    title=title,
+    description=description,
+    datasource=datasource,
+
+    format='s',
+    labelY1='time per minute',
+    fill=0,
+    decimals=3,
+    decimalsY1=3,
+    sort='decreasing',
+    legend_alignAsTable=true,
+    legend_avg=true,
+    legend_current=true,
+    legend_max=true,
+    legend_values=true,
+    legend_sort='current',
+    legend_sortDesc=true,
+  ).addTarget(
+    if datasource == '${DS_PROMETHEUS}' then
+      prometheus.target(
+        expr=std.format('rate(%s{job=~"%s"}[%s])',
+                        [metric_name, job, rate_time_range]),
+        legendFormat='{{alias}}',
+      )
+    else if datasource == '${DS_INFLUXDB}' then
+      influxdb.target(
+        policy=policy,
+        measurement=measurement,
+        group_tags=['label_pairs_alias'],
+        alias='$tag_label_pairs_alias',
+      ).where('metric_name', '=', metric_name)
+      .selectField('value').addConverter('mean').addConverter('non_negative_derivative', ['1s'])
+  ),
+
+  getrusage_cpu_user_time(
+    title='CPU user time',
+    description=|||
+      This is the average amount of time per minute
+      spent by instance process executing in user mode.
+      Metrics obtained using `getrusage()` call.
+    |||,
+    datasource=null,
+    policy=null,
+    measurement=null,
+    job=null,
+    rate_time_range=null,
+  ):: getrusage_cpu_time_graph(
+    title=title,
+    description=description,
+    datasource=datasource,
+    policy=policy,
+    measurement=measurement,
+    job=job,
+    rate_time_range=rate_time_range,
+    metric_name='tnt_cpu_user_time',
+  ),
+
+  getrusage_cpu_system_time(
+    title='CPU system time',
+    description=|||
+      This is the average amount of time per minute
+      spent by instance process executing in kernel mode.
+      Metrics obtained using `getrusage()` call.
+    |||,
+    datasource=null,
+    policy=null,
+    measurement=null,
+    job=null,
+    rate_time_range=null,
+  ):: getrusage_cpu_time_graph(
+    title=title,
+    description=description,
+    datasource=datasource,
+    policy=policy,
+    measurement=measurement,
+    job=job,
+    rate_time_range=rate_time_range,
+    metric_name='tnt_cpu_system_time',
+  ),
+}

tarantool/dashboard.libsonnet

@@ -1,6 +1,7 @@
 local grafana = import 'grafonnet/grafana.libsonnet';
 
 local cluster = import 'cluster.libsonnet';
+local cpu = import 'cpu.libsonnet';
 local http = import 'http.libsonnet';
 local memory_misc = import 'memory_misc.libsonnet';
 local net = import 'net.libsonnet';
@@ -258,21 +259,45 @@ local row = grafana.row;
       { w: 8, h: 8, x: 16, y: 60 + offset },
     )
     .addPanel(
-      row.new(title='Tarantool memory miscellaneous'),
+      row.new(title='Tarantool CPU statistics'),
       { w: 24, h: 1, x: 0, y: 68 + offset }
     )
+    .addPanel(
+      cpu.getrusage_cpu_user_time(
+        datasource=datasource,
+        policy=policy,
+        measurement=measurement,
+        job=job,
+        rate_time_range=rate_time_range,
+      ),
+      { w: 12, h: 8, x: 0, y: 69 + offset },
+    )
+    .addPanel(
+      cpu.getrusage_cpu_system_time(
+        datasource=datasource,
+        policy=policy,
+        measurement=measurement,
+        job=job,
+        rate_time_range=rate_time_range,
+      ),
+      { w: 12, h: 8, x: 12, y: 69 + offset },
+    )
+    .addPanel(
+      row.new(title='Tarantool memory miscellaneous'),
+      { w: 24, h: 1, x: 0, y: 77 + offset }
+    )
     .addPanel(
       memory_misc.lua_memory(
         datasource=datasource,
         policy=policy,
         measurement=measurement,
         job=job,
       ),
-      { w: 24, h: 8, x: 0, y: 69 + offset },
+      { w: 24, h: 8, x: 0, y: 78 + offset },
     )
     .addPanel(
       row.new(title='Tarantool operations statistics'),
-      { w: 24, h: 1, x: 0, y: 77 + offset }
+      { w: 24, h: 1, x: 0, y: 86 + offset }
     )
     .addPanel(
       operations.space_select_rps(
@@ -282,7 +307,7 @@ local row = grafana.row;
         job=job,
         rate_time_range=rate_time_range,
       ),
-      { w: 8, h: 8, x: 0, y: 78 + offset },
+      { w: 8, h: 8, x: 0, y: 87 + offset },
     )
     .addPanel(
       operations.space_insert_rps(
@@ -292,7 +317,7 @@ local row = grafana.row;
         job=job,
         rate_time_range=rate_time_range,
       ),
-      { w: 8, h: 8, x: 8, y: 78 + offset },
+      { w: 8, h: 8, x: 8, y: 87 + offset },
     )
     .addPanel(
       operations.space_replace_rps(
@@ -302,7 +327,7 @@ local row = grafana.row;
         job=job,
         rate_time_range=rate_time_range,
       ),
-      { w: 8, h: 8, x: 16, y: 78 + offset },
+      { w: 8, h: 8, x: 16, y: 87 + offset },
     )
     .addPanel(
       operations.space_upsert_rps(
@@ -312,7 +337,7 @@ local row = grafana.row;
         job=job,
         rate_time_range=rate_time_range,
       ),
-      { w: 8, h: 8, x: 0, y: 86 + offset },
+      { w: 8, h: 8, x: 0, y: 97 + offset },
     )
     .addPanel(
       operations.space_update_rps(
@@ -322,7 +347,7 @@ local row = grafana.row;
         job=job,
         rate_time_range=rate_time_range,
       ),
-      { w: 8, h: 8, x: 8, y: 86 + offset },
+      { w: 8, h: 8, x: 8, y: 97 + offset },
     )
     .addPanel(
       operations.space_delete_rps(
@@ -332,7 +357,7 @@ local row = grafana.row;
         job=job,
         rate_time_range=rate_time_range,
       ),
-      { w: 8, h: 8, x: 16, y: 86 + offset },
+      { w: 8, h: 8, x: 16, y: 97 + offset },
     )
     .addPanel(
       operations.call_rps(
@@ -342,7 +367,7 @@ local row = grafana.row;
         job=job,
         rate_time_range=rate_time_range,
       ),
-      { w: 8, h: 8, x: 0, y: 94 + offset },
+      { w: 8, h: 8, x: 0, y: 103 + offset },
     )
     .addPanel(
       operations.eval_rps(
@@ -352,7 +377,7 @@ local row = grafana.row;
         job=job,
         rate_time_range=rate_time_range,
       ),
-      { w: 8, h: 8, x: 8, y: 94 + offset },
+      { w: 8, h: 8, x: 8, y: 103 + offset },
     )
     .addPanel(
       operations.error_rps(
@@ -362,7 +387,7 @@ local row = grafana.row;
         job=job,
         rate_time_range=rate_time_range,
       ),
-      { w: 8, h: 8, x: 16, y: 94 + offset },
+      { w: 8, h: 8, x: 16, y: 103 + offset },
     )
     .addPanel(
       operations.auth_rps(
@@ -372,7 +397,7 @@ local row = grafana.row;
         job=job,
         rate_time_range=rate_time_range,
       ),
-      { w: 8, h: 8, x: 0, y: 102 + offset },
+      { w: 8, h: 8, x: 0, y: 111 + offset },
     )
     .addPanel(
       operations.SQL_prepare_rps(
@@ -382,7 +407,7 @@ local row = grafana.row;
         job=job,
         rate_time_range=rate_time_range,
       ),
-      { w: 8, h: 8, x: 8, y: 102 + offset },
+      { w: 8, h: 8, x: 8, y: 111 + offset },
     )
     .addPanel(
       operations.SQL_execute_rps(
@@ -392,6 +417,6 @@ local row = grafana.row;
         job=job,
         rate_time_range=rate_time_range,
       ),
-      { w: 8, h: 8, x: 16, y: 102 + offset },
+      { w: 8, h: 8, x: 16, y: 111 + offset },
     ),
 }