modify axis label style of speed chart

src/scripts/filters/volume.js

@@ -5,11 +5,25 @@
         var units = [ 'B', 'KB', 'MB', 'GB' ];
         var defaultFractionSize = 2;
 
+        var getAutoFractionSize = function (value) {
+            if (value < 1) {
+                return 2;
+            } else if (value < 10) {
+                return 1;
+            } else {
+                return 0;
+            }
+        };
+
         return function (value, fractionSize) {
             var unit = units[0];
+            var actualFractionSize = defaultFractionSize;
+            var autoFractionSize = false;
 
-            if (angular.isUndefined(fractionSize)) {
+            if (angular.isNumber(fractionSize)) {
-                fractionSize = defaultFractionSize;
+                actualFractionSize = fractionSize;
+            } else if (fractionSize === 'auto') {
+                autoFractionSize = true;
             }
 
             if (!value) {
@@ -29,7 +43,11 @@
                 }
             }
 
-            value = $filter('number')(value, fractionSize);
+            if (autoFractionSize) {
+                actualFractionSize = getAutoFractionSize(value);
+            }
+
+            value = $filter('number')(value, actualFractionSize);
 
             return value + ' ' + unit;
         };

src/scripts/services/ariaNgMonitorService.js

@@ -53,7 +53,7 @@
                     type: 'value',
                     axisLabel: {
                         formatter: function (value) {
-                            return $filter('readableVolume')(value, 0);
+                            return $filter('readableVolume')(value, 'auto');
                         }
                     }
                 },