fix(SR/tab-stats): fix IOPS's and IOwait's values format (#2914)

packages/xo-web/src/common/xo-line-chart/index.js

@@ -1,10 +1,22 @@
 import ChartistGraph from 'react-chartist'
 import ChartistLegend from 'chartist-plugin-legend'
 import ChartistTooltip from 'chartist-plugin-tooltip'
+import humanFormat from 'human-format'
 import React from 'react'
 import { injectIntl } from 'react-intl'
 import { messages } from 'intl'
-import { find, flatten, floor, get, map, max, size, sum, values } from 'lodash'
+import {
+  find,
+  flatten,
+  floor,
+  get,
+  map,
+  max,
+  round,
+  size,
+  sum,
+  values,
+} from 'lodash'
 
 import propTypes from '../prop-types-decorator'
 import { computeArraysSum } from '../xo-stats'
@@ -604,7 +616,11 @@ export const IopsLineChart = injectIntl(
             nValues: length,
             endTimestamp,
             interval,
-            valueTransform: value => `${value.toPrecision(3)} /s`,
+            valueTransform: value =>
+              humanFormat(value, {
+                decimals: 3,
+                unit: 'IOPS',
+              }),
           }),
           ...options,
         }}
@@ -721,7 +737,7 @@ export const IowaitChart = injectIntl(
             nValues: length,
             endTimestamp,
             interval,
-            valueTransform: value => `${value.toPrecision(2)}%`,
+            valueTransform: value => `${round(value, 2)}%`,
           }),
           ...options,
         }}