luci-app-statistics: memory: make hiding 'free' configurable

Make hiding the 'free' memory configurable.
Set default as disabled, shown in graph which always scales to 100%.

If enabled, the graph scales to actually used memory,
which enables a more detailed view to memory usage.

Signed-off-by: Hannu Nyman <hannu.nyman@iki.fi>

1 files changed, 4 insertions, 2 deletions

diff --git a/applications/luci-app-statistics/htdocs/luci-static/resources/statistics/rrdtool/definitions/memory.js b/applications/luci-app-statistics/htdocs/luci-static/resources/statistics/rrdtool/definitions/memory.js
index 9b0d179b0a..960d98c108 100644
--- a/applications/luci-app-statistics/htdocs/luci-static/resources/statistics/rrdtool/definitions/memory.js
+++ b/applications/luci-app-statistics/htdocs/luci-static/resources/statistics/rrdtool/definitions/memory.js
@@ -5,12 +5,14 @@
 
 'use strict';
 'require baseclass';
+'require uci';
 
 return baseclass.extend({
 	title: _('Memory'),
 
 	rrdargs: function(graph, host, plugin, plugin_instance, dtype) {
 		var p = [];
+		var hide_free = uci.get("luci_statistics", "collectd_memory", "HideFree") == "1" ? true : false;
 
 		var memory = {
 			title: "%H: Memory usage",
@@ -21,7 +23,7 @@ return baseclass.extend({
 			data: {
 				instances: {
 					memory: [
-						"free",
+						...(hide_free ? [] : ["free"]),
 						"buffered",
 						"cached",
 						"used"
@@ -58,7 +60,7 @@ return baseclass.extend({
 			data: {
 				instances: {
 					percent: [
-						"free",
+						...(hide_free ? [] : ["free"]),
 						"buffered",
 						"cached",
 						"used"