[Infrastructure UI] Change CPU count column to CPU usage (#151696)

closes #151601 

## Summary

Swaped  '# of CPUs' for 'CPU Usage' in Hosts View

<img width="2533" alt="Screenshot 2023-02-20 at 16 59 32"
src="https://user-images.githubusercontent.com/11225826/220165618-3deb050e-ca06-4758-8fc5-ac59552e96c7.png">

---------

Co-authored-by: Kibana Machine <42973632+kibanamachine@users.noreply.github.com>

x-pack/plugins/infra/common/inventory_models/host/metrics/index.ts

@@ -6,7 +6,6 @@
  */
 
 import { cpu } from './snapshot/cpu';
-import { cpuCores } from './snapshot/cpu_cores';
 import { diskLatency } from './snapshot/disk_latency';
 import { count } from '../../shared/metrics/snapshot/count';
 import { load } from './snapshot/load';
@@ -38,7 +37,6 @@ import { InventoryMetrics } from '../../types';
 
 const exposedHostSnapshotMetrics = {
   cpu,
-  cpuCores,
   diskLatency,
   load,
   logRate,

x-pack/plugins/infra/common/inventory_models/host/metrics/snapshot/cpu_cores.ts

@@ -1,16 +0,0 @@
-/*
- * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
- * or more contributor license agreements. Licensed under the Elastic License
- * 2.0; you may not use this file except in compliance with the Elastic License
- * 2.0.
- */
-
-import { MetricsUIAggregation } from '../../../types';
-
-export const cpuCores: MetricsUIAggregation = {
-  cpuCores: {
-    max: {
-      field: 'system.cpu.cores',
-    },
-  },
-};

x-pack/plugins/infra/common/inventory_models/types.ts

@@ -344,7 +344,6 @@ export type MetricsUIAggregation = rt.TypeOf<typeof MetricsUIAggregationRT>;
 export const SnapshotMetricTypeKeys = {
   count: null,
   cpu: null,
-  cpuCores: null,
   diskLatency: null,
   load: null,
   memory: null,

x-pack/plugins/infra/public/pages/metrics/hosts/components/hosts_table.tsx

@@ -22,7 +22,7 @@ const HOST_TABLE_METRICS: Array<{ type: SnapshotMetricType }> = [
   { type: 'rx' },
   { type: 'tx' },
   { type: 'memory' },
-  { type: 'cpuCores' },
+  { type: 'cpu' },
   { type: 'diskLatency' },
   { type: 'memoryTotal' },
 ];

x-pack/plugins/infra/public/pages/metrics/hosts/hooks/use_hosts_table.test.ts

@@ -27,8 +27,8 @@ describe('useHostTable hook', () => {
             avg: 0.94525,
           },
           {
-            name: 'cpuCores',
-            value: 10,
+            name: 'cpu',
+            value: 0.6353277777777777,
           },
           {
             name: 'memoryTotal',
@@ -53,8 +53,8 @@ describe('useHostTable hook', () => {
             avg: 0.5400000214576721,
           },
           {
-            name: 'cpuCores',
-            value: 8,
+            name: 'cpu',
+            value: 0.8647805555555556,
           },
           {
             name: 'memoryTotal',
@@ -89,9 +89,9 @@ describe('useHostTable hook', () => {
           name: 'memory',
           avg: 0.94525,
         },
-        cpuCores: {
-          name: 'cpuCores',
-          value: 10,
+        cpu: {
+          name: 'cpu',
+          value: 0.6353277777777777,
         },
         memoryTotal: {
           name: 'memoryTotal',
@@ -118,9 +118,9 @@ describe('useHostTable hook', () => {
           name: 'memory',
           avg: 0.5400000214576721,
         },
-        cpuCores: {
-          name: 'cpuCores',
-          value: 8,
+        cpu: {
+          name: 'cpu',
+          value: 0.8647805555555556,
         },
         memoryTotal: {
           name: 'memoryTotal',

x-pack/plugins/infra/public/pages/metrics/hosts/hooks/use_hosts_table.tsx

@@ -24,7 +24,7 @@ import type {
  */
 export type CloudProvider = 'gcp' | 'aws' | 'azure' | 'unknownProvider';
 
-type HostMetric = 'cpuCores' | 'diskLatency' | 'rx' | 'tx' | 'memory' | 'memoryTotal';
+type HostMetric = 'cpu' | 'diskLatency' | 'rx' | 'tx' | 'memory' | 'memoryTotal';
 
 type HostMetrics = Record<HostMetric, SnapshotNodeMetric>;
 
@@ -74,9 +74,12 @@ const osLabel = i18n.translate('xpack.infra.hostsViewPage.table.operatingSystemC
   defaultMessage: 'Operating System',
 });
 
-const cpuCountLabel = i18n.translate('xpack.infra.hostsViewPage.table.numberOfCpusColumnHeader', {
-  defaultMessage: '# of CPUs',
-});
+const averageCpuUsageLabel = i18n.translate(
+  'xpack.infra.hostsViewPage.table.averageCpuUsageColumnHeader',
+  {
+    defaultMessage: 'CPU usage (avg.)',
+  }
+);
 
 const diskLatencyLabel = i18n.translate('xpack.infra.hostsViewPage.table.diskLatencyColumnHeader', {
   defaultMessage: 'Disk Latency (avg.)',
@@ -146,11 +149,10 @@ export const useHostsTable = (nodes: SnapshotNode[], { time }: HostTableParams)
         render: (os: string) => <EuiText size="s">{os}</EuiText>,
       },
       {
-        name: cpuCountLabel,
-        field: 'cpuCores',
+        name: averageCpuUsageLabel,
+        field: 'cpu.avg',
         sortable: true,
-        render: (cpuCores: SnapshotNodeMetric) =>
-          formatMetric('cpuCores', cpuCores?.value ?? cpuCores?.max),
+        render: (avg: number) => formatMetric('cpu', avg),
         align: 'right',
       },
       {

x-pack/plugins/infra/public/pages/metrics/inventory_view/lib/create_inventory_metric_formatter.ts

@@ -31,10 +31,6 @@ const METRIC_FORMATTERS: MetricFormatters = {
     formatter: InfraFormatterType.percent,
     template: '{{value}}',
   },
-  cpuCores: {
-    formatter: InfraFormatterType.number,
-    template: '{{value}}',
-  },
   memory: {
     formatter: InfraFormatterType.percent,
     template: '{{value}}',

x-pack/plugins/translations/translations/fr-FR.json

@@ -16374,7 +16374,6 @@
     "xpack.infra.hostsViewPage.table.averageTxColumnHeader": "TX (moy.)",
     "xpack.infra.hostsViewPage.table.diskLatencyColumnHeader": "Latence du disque (moy.)",
     "xpack.infra.hostsViewPage.table.nameColumnHeader": "Nom",
-    "xpack.infra.hostsViewPage.table.numberOfCpusColumnHeader": "Nombre de processeurs",
     "xpack.infra.hostsViewPage.table.operatingSystemColumnHeader": "Système d'exploitation",
     "xpack.infra.hostsViewPage.tabs.metricsCharts.actions.openInLines": "Ouvrir dans Lens",
     "xpack.infra.hostsViewPage.tabs.metricsCharts.title": "Indicateurs",

x-pack/plugins/translations/translations/ja-JP.json

@@ -16359,7 +16359,6 @@
     "xpack.infra.hostsViewPage.table.averageTxColumnHeader": "TX（平均）",
     "xpack.infra.hostsViewPage.table.diskLatencyColumnHeader": "ディスクレイテンシ（平均）",
     "xpack.infra.hostsViewPage.table.nameColumnHeader": "名前",
-    "xpack.infra.hostsViewPage.table.numberOfCpusColumnHeader": "CPU数",
     "xpack.infra.hostsViewPage.table.operatingSystemColumnHeader": "オペレーティングシステム",
     "xpack.infra.hostsViewPage.tabs.metricsCharts.actions.openInLines": "Lensで開く",
     "xpack.infra.hostsViewPage.tabs.metricsCharts.title": "メトリック",

x-pack/plugins/translations/translations/zh-CN.json

@@ -16379,7 +16379,6 @@
     "xpack.infra.hostsViewPage.table.averageTxColumnHeader": "TX（平均值）",
     "xpack.infra.hostsViewPage.table.diskLatencyColumnHeader": "磁盘延迟（平均值）",
     "xpack.infra.hostsViewPage.table.nameColumnHeader": "名称",
-    "xpack.infra.hostsViewPage.table.numberOfCpusColumnHeader": "# 个 CPU",
     "xpack.infra.hostsViewPage.table.operatingSystemColumnHeader": "操作系统",
     "xpack.infra.hostsViewPage.tabs.metricsCharts.actions.openInLines": "在 Lens 中打开",
     "xpack.infra.hostsViewPage.tabs.metricsCharts.title": "指标",