web/index.html

   1 <!DOCTYPE html>
   2 <html lang="en">
   3 <head>
   4         <title>netdata dashboard</title>
   5
   6         <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
   7         <meta charset="utf-8">
   8         <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
   9         <meta name="viewport" content="width=device-width, initial-scale=1">
  10         <meta name="apple-mobile-web-app-capable" content="yes">
  11         <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
  12         <meta name="author" content="costa@tsaousis.gr">
  13
  14         <link rel="shortcut icon" href="images/seo-performance-multi-size.ico">
  15
  16         <link rel="apple-touch-icon" href="images/seo-performance-72.png">
  17         <link rel="apple-touch-icon" sizes="72x72" href="images/seo-performance-72.png">
  18         <link rel="apple-touch-icon" sizes="114x114" href="images/seo-performance-114.png">
  19
  20         <link rel="icon" type="image/png" sizes="512x512" href="images/seo-performance-512.png">
  21         <link rel="icon" type="image/png" sizes="256x256" href="images/seo-performance-256.png">
  22         <link rel="icon" type="image/png" sizes="128x128" href="images/seo-performance-128.png">
  23         <link rel="icon" type="image/png" sizes="64x64" href="images/seo-performance-64.png">
  24         <link rel="icon" type="image/png" sizes="48x48" href="images/seo-performance-48.png">
  25         <link rel="icon" type="image/png" sizes="32x32" href="images/seo-performance-32.png">
  26         <link rel="icon" type="image/png" sizes="24x24" href="images/seo-performance-24.png">
  27         <link rel="icon" type="image/png" sizes="16x16" href="images/seo-performance-16.png">
  28
  29         <style>
  30
  31         /* prevent body from hidding under the navbar */
  32         body {
  33                 padding-top: 50px;
  34         }
  35
  36         .modal-wide .modal-dialog {
  37                 width: 80%;
  38         }
  39
  40         /* fix # anchors scrolling under the navbar
  41            https://github.com/twbs/bootstrap/issues/1768#issuecomment-46519033
  42          */
  43         h1 {
  44                 position: relative;
  45                 z-index: -1;
  46         }
  47         h2 {
  48                 position: relative;
  49                 z-index: -2;
  50         }
  51         h1:before, h2:before {
  52                 display: block;
  53                 content: " ";
  54                 margin-top: -70px;
  55                 height: 70px;
  56                 visibility: hidden;
  57         }
  58
  59         .p {
  60                 display: block;
  61                 margin-top: 15px;
  62         }
  63
  64         .option-row,
  65         .option-control {
  66                 vertical-align: top;
  67                 padding: 10px;
  68                 padding-top: 30px;
  69                 padding-left: 30px;
  70         }
  71
  72         .option-info {
  73                 padding: 10px;
  74         }
  75
  76         .chart-message {
  77                 display: block;
  78                 margin-top: 10px;
  79         }
  80
  81         .container {
  82                 width: 90% !important;
  83         }
  84
  85         #masthead h1 {
  86                 /*font-size: 30px;*/
  87                 line-height: 1;
  88                 padding-top: 30px;
  89         }
  90
  91         #masthead .well {
  92                 margin-top:4%;
  93         }
  94
  95         /* fix the navbar shifting when a modal is open */
  96         /* https://github.com/twbs/bootstrap/issues/14040#issuecomment-159891033 */
  97         body.modal-open{
  98                 width: 100% !important;
  99                 padding-right: 0 !important;
 100 /*              overflow-y: scroll !important; */
 101 /*              position: fixed !important;*/
 102                 overflow: visible;
 103         }
 104
 105         /*
 106          * Side navigation
 107          *
 108          * Scrollspy and affixed enhanced navigation to highlight sections and secondary
 109          * sections of docs content.
 110          */
 111
 112         .affix {
 113                 position: static;
 114                 top: 70px !important;
 115                 /*width: 220px;*/
 116         }
 117
 118         .affix-top {
 119                 /*width: 220px;*/
 120         }
 121
 122         .dashboard-sidebar {
 123                 max-height: calc(100% - 70px) !important;
 124                 overflow-y: auto;
 125                 /*width: 220px !important;*/
 126         }
 127
 128         /* By default it's not affixed in mobile views, so undo that */
 129         .dashboard-sidebar.affix {
 130                 position: static;
 131         }
 132
 133         @media (min-width: 768px) {
 134                 .dashboard-sidebar {
 135                         padding-left: 20px;
 136                 }
 137         }
 138
 139         /* First level of nav */
 140         .dashboard-sidenav {
 141                 margin-top: 20px;
 142                 margin-bottom: 20px;
 143         }
 144
 145         /* All levels of nav */
 146         .dashboard-sidebar .nav > li > a {
 147                 display: block;
 148                 padding: 4px 20px;
 149                 font-size: 13px;
 150                 font-weight: 500;
 151                 color: #767676;
 152         }
 153         .dashboard-sidebar .nav > li > a:hover,
 154         .dashboard-sidebar .nav > li > a:focus {
 155                 padding-left: 19px;
 156                 color: #563d7c;
 157                 text-decoration: none;
 158                 background-color: transparent;
 159                 border-left: 1px solid #563d7c;
 160         }
 161         .dashboard-sidebar .nav > .active > a,
 162         .dashboard-sidebar .nav > .active:hover > a,
 163         .dashboard-sidebar .nav > .active:focus > a {
 164                 padding-left: 18px;
 165                 font-weight: bold;
 166                 color: #563d7c;
 167                 background-color: transparent;
 168                 border-left: 2px solid #563d7c;
 169         }
 170
 171         /* Nav: second level (shown on .active) */
 172         .dashboard-sidebar .nav .nav {
 173                 display: none; /* Hide by default, but at >768px, show it */
 174                 padding-bottom: 10px;
 175         }
 176         .dashboard-sidebar .nav .nav > li > a {
 177                 padding-top: 1px;
 178                 padding-bottom: 1px;
 179                 padding-left: 30px;
 180                 font-size: 12px;
 181                 font-weight: normal;
 182         }
 183         .dashboard-sidebar .nav .nav > li > a:hover,
 184         .dashboard-sidebar .nav .nav > li > a:focus {
 185                 padding-left: 29px;
 186         }
 187         .dashboard-sidebar .nav .nav > .active > a,
 188         .dashboard-sidebar .nav .nav > .active:hover > a,
 189         .dashboard-sidebar .nav .nav > .active:focus > a {
 190                 padding-left: 28px;
 191                 font-weight: 500;
 192         }
 193
 194         /* Back to top (hidden on mobile) */
 195         .back-to-top,
 196         .dashboard-theme-toggle {
 197                 display: none;
 198                 padding: 4px 10px;
 199                 margin-top: 10px;
 200                 margin-left: 10px;
 201                 font-size: 12px;
 202                 font-weight: 500;
 203                 color: #999;
 204         }
 205         .back-to-top:hover,
 206         .dashboard-theme-toggle:hover {
 207                 color: #563d7c;
 208                 text-decoration: none;
 209         }
 210         .dashboard-theme-toggle {
 211                 margin-top: 0;
 212         }
 213
 214         @media (min-width: 768px) {
 215                 .back-to-top,
 216                 .dashboard-theme-toggle {
 217                         display: block;
 218                 }
 219
 220                 /* Widen the fixed sidebar */
 221                 .dashboard-sidebar.affix,
 222                 .dashboard-sidebar.affix-top,
 223                 .dashboard-sidebar.affix-bottom {
 224                         width: 200px !important;
 225                 }
 226
 227                 .dashboard-sidebar.affix {
 228                         position: fixed; /* Undo the static from mobile first approach */
 229                         top: 20px;
 230                 }
 231
 232                 .dashboard-sidebar.affix-bottom {
 233                         position: absolute; /* Undo the static from mobile first approach */
 234                 }
 235
 236                 .dashboard-sidebar.affix-bottom .dashboard-sidenav,
 237                 .dashboard-sidebar.affix .dashboard-sidenav {
 238                         margin-top: 0;
 239                         margin-bottom: 0;
 240                 }
 241         }
 242
 243         /* Show and affix the side nav when space allows it */
 244         @media (min-width: 992px) {
 245                 .dashboard-sidebar .nav > .active > ul {
 246                         display: block;
 247                 }
 248
 249                 /* Widen the fixed sidebar */
 250                 .dashboard-sidebar.affix,
 251                 .dashboard-sidebar.affix-top,
 252                 .dashboard-sidebar.affix-bottom {
 253                         width: 200px !important;
 254                 }
 255                 .dashboard-sidebar.affix {
 256                         position: fixed; /* Undo the static from mobile first approach */
 257                         top: 20px;
 258                 }
 259                 .dashboard-sidebar.affix-bottom {
 260                         position: absolute; /* Undo the static from mobile first approach */
 261                 }
 262                 .dashboard-sidebar.affix-bottom .dashboard-sidenav,
 263                 .dashboard-sidebar.affix .dashboard-sidenav {
 264                         margin-top: 0;
 265                         margin-bottom: 0;
 266                 }
 267         }
 268
 269         @media (min-width: 1200px) {
 270                 /* Widen the fixed sidebar again */
 271                 .dashboard-sidebar.affix-bottom,
 272                 .dashboard-sidebar.affix-top,
 273                 .dashboard-sidebar.affix {
 274                         width: 263px;
 275                 }
 276         }
 277         </style>
 278
 279         <!-- you can set your netdata server globally, by ucommenting this -->
 280         <!-- you can also give a different server per chart, with the attribute: data-host="http://netdata.server:19999" -->
 281         <!-- <script> netdataServer = "http://box:19999"; </script> -->
 282
 283         <!-- load the dashboard manager - it will do the rest -->
 284         <script>var netdataTheme = 'slate';</script>
 285         <script type="text/javascript" src="dashboard.js?v25"></script>
 286 </head>
 287
 288 <body data-spy="scroll" data-target="#sidebar">
 289         <nav class="navbar navbar-default navbar-fixed-top" role="banner">
 290                 <div class="container">
 291                         <div class="navbar-header">
 292                                 <button class="navbar-toggle" type="button" data-toggle="collapse" data-target=".navbar-collapse">
 293                                         <span class="sr-only">Toggle navigation</span>
 294                                         <span class="icon-bar"></span>
 295                                         <span class="icon-bar"></span>
 296                                         <span class="icon-bar"></span>
 297                                 </button>
 298                                 <a href="/" class="navbar-brand" id="hostname">netdata</a>
 299                         </div>
 300                         <nav class="collapse navbar-collapse navbar-right" role="navigation">
 301                                 <ul class="nav navbar-nav">
 302                                         <li><a href="#" class="btn" data-toggle="modal" data-target="#optionsModal"><i class="fa fa-cog"></i> settings</a></li>
 303                                         <li><a href="https://github.com/firehol/netdata/wiki" class="btn" target="_blank"><i class="fa fa-github"></i> community</a></li>
 304 <!--                                    <li><a href="old/" class="btn" target="_blank"><i class="fa fa-step-backward"></i> old dashboard</a></li> -->
 305                                         <li><a href="#" class="btn" data-toggle="modal" data-target="#helpModal"><i class="fa fa-question-circle"></i> help</a></li>
 306 <!--                                    <li><a href="#sec">Visualize</a></li>
 307                                         <li><a href="#sec">Prototype</a></li>
 308 -->                             </ul>
 309                         </nav>
 310                 </div>
 311         </nav>
 312
 313         <div id="masthead" style="display: none;">
 314                 <div class="container">
 315                         <div class="row">
 316                                 <div class="col-md-7">
 317                                         <h1>Netdata
 318                                                 <p class="lead">Real-time performance monitoring, in the greatest possible detail</p>
 319                                         </h1>
 320                                 </div>
 321                                 <div class="col-md-5">
 322                                         <div class="well well-lg">
 323                                                 <div class="row">
 324                                                 <div class="col-md-6">
 325                                                         <b>Drag</b> charts to pan.
 326                                                         <b>Shift + wheel</b> on them, to zoom in and out.
 327                                                         <b>Double-click</b> on them, to reset.
 328                                                         <b>Hover</b> on them too!
 329                                                         </div>
 330                                                 <div class="col-md-6">
 331                                                         <div data-netdata="system.intr" data-chart-library="dygraph" data-dygraph-theme="sparkline" data-dygraph-type="line" data-dygraph-strokewidth="3" data-dygraph-smooth="true" data-dygraph-highlightcirclesize="6" data-after="-90" data-height="60px" data-colors="#C66"></div>
 332                                                         </div>
 333                                                 </div>
 334                                         </div>
 335                                 </div>
 336                         </div>
 337                 </div>
 338         </div>
 339
 340         <div class="container">
 341                 <div class="row">
 342                         <div class="col-md-10" role="main">
 343                                 <div id="charts_div"></div>
 344                         </div>
 345                         <div class="col-md-2" role="complementary">
 346                                 <nav class="dashboard-sidebar hidden-print hidden-xs hidden-sm" id="sidebar" role="menu"></nav>
 347                         </div>
 348                 </div>
 349         </div>
 350
 351         <div id="footer" class="container" style="display: none;">
 352                 <div class="row">
 353                         <div class="col-md-10" role="main">
 354                                 <div class="p">
 355                                         <big><a href="https://github.com/firehol/netdata/wiki" target="_blank">netdata</a></big><br/>
 356                                         <i class="fa fa-copyright"></i> Copyright 2016, Costa Tsaousis.<br/>
 357                                         Released under <a href="http://www.gnu.org/licenses/gpl-3.0.en.html" target="_blank">GPL v3 or later</a>.<br/>
 358                                 </div>
 359                                 <div class="p">
 360                                         <small>
 361                                                 <a href="https://github.com/firehol/netdata/wiki" target="_blank">netdata</a> re-distributes these software tools:
 362
 363                                                 <i class="fa fa-circle"></i> The excellent <a href="http://dygraphs.com/" target="_blank">Dygraphs.com</a> web chart library,
 364                                                 <i class="fa fa-copyright"></i> Copyright 2009, Dan Vanderkam, <a href="http://dygraphs.com/legal.html" target="_blank">MIT License</a>
 365
 366                                                 <i class="fa fa-circle"></i> <a href="http://omnipotent.net/jquery.sparkline/" target="_blank">jQuery Sparklines</a> web chart library,
 367                                                 <i class="fa fa-copyright"></i> Copyright 2009-2012, Splunk Inc., <a href="http://opensource.org/licenses/BSD-3-Clause" target="_blank">New BSD License</a>
 368
 369                                                 <i class="fa fa-circle"></i> <a href="http://benpickles.github.io/peity/" target="_blank">Peity</a> web chart library,
 370                                                 <i class="fa fa-copyright"></i> Copyright 2009-2015, Ben Pickles, <a href="https://github.com/benpickles/peity/blob/master/MIT-LICENCE" target="_blank">MIT License</a>
 371
 372                                                 <i class="fa fa-circle"></i> <a href="https://rendro.github.io/easy-pie-chart/" target="_blank">Easy Pie Chart</a> web chart library,
 373                                                 <i class="fa fa-copyright"></i> Copyright 2013, Robert Fleischmann, <a href="https://github.com/rendro/easy-pie-chart/blob/master/LICENSE" target="_blank">MIT License</a>
 374
 375                                                 <i class="fa fa-circle"></i> <a href="http://bernii.github.io/gauge.js/" target="_blank">Gauge.js</a> web chart library,
 376                                                 <i class="fa fa-copyright"></i> Copyright, Bernard Kobos, <a href="http://bernii.github.io/gauge.js/" target="_blank">MIT License</a>
 377
 378                                                 <i class="fa fa-circle"></i> <a href="https://jquery.org/" target="_blank">jQuery</a>,
 379                                                 <i class="fa fa-copyright"></i> Copyright 2015, jQuery Foundation, <a href="https://jquery.org/license/" target="_blank">MIT License</a>
 380
 381                                                 <i class="fa fa-circle"></i> <a href="http://getbootstrap.com/getting-started/" target="_blank">Bootstrap</a>,
 382                                                 <i class="fa fa-copyright"></i> Copyright 2015, Twitter, <a href="http://getbootstrap.com/getting-started/#license-faqs" target="_blank">MIT License</a>
 383
 384                                                 <i class="fa fa-circle"></i> <a href="http://www.bootstraptoggle.com/" target="_blank">Bootstrap Toggle</a>,
 385                                                 <i class="fa fa-copyright"></i> Copyright (c) 2011-2014 Min Hur, The New York Times Company, <a href="https://github.com/minhur/bootstrap-toggle/blob/master/LICENSE" target="_blank">MIT License</a>
 386
 387                                                 <i class="fa fa-circle"></i> <a href="https://jamesflorentino.github.io/nanoScrollerJS/" target="_blank">NanoScroller</a>,
 388                                                 <i class="fa fa-copyright"></i> Copyright 2012, James Florentino, <a href="https://github.com/jamesflorentino/nanoScrollerJS/blob/master/LICENSE" target="_blank">MIT License</a>
 389
 390                                                 <i class="fa fa-circle"></i> <a href="https://github.com/marcj/css-element-queries" target="_blank">CSS Element Queries</a>,
 391                                                 <i class="fa fa-copyright"></i> Copyright Marc J. Schmidt, <a href="https://github.com/marcj/css-element-queries/blob/master/LICENSE" target="_blank">MIT License</a>
 392
 393                                                 <i class="fa fa-circle"></i> <a href="https://fortawesome.github.io/Font-Awesome/" target="_blank">FontAwesome</a>,
 394                                                 <i class="fa fa-copyright"></i> Created by Dave Gandy, Font: <a href="http://scripts.sil.org/OFL" target="_blank">SIL OFL 1.1 License</a>, CSS: <a href="http://opensource.org/licenses/mit-license.html" target="_blank">MIT License</a>
 395
 396                                                 <i class="fa fa-circle"></i> <a href="http://www.iconsdb.com/soylent-red-icons/seo-performance-icon.html" target="_blank">IconsDB.com Icons</a>, Icons provided as CC0 1.0 Universal (CC0 1.0) Public Domain Dedication.
 397
 398                                                 <i class="fa fa-circle"></i> <a href="http://morrisjs.github.io/morris.js/" target="_blank">morris.js</a>,
 399                                                 <i class="fa fa-copyright"></i> Copyright 2013, Olly Smith, <a href="http://morrisjs.github.io/morris.js/" target="_blank">Simplified BSD License</a>
 400
 401                                                 <i class="fa fa-circle"></i> <a href="http://raphaeljs.com/" target="_blank">Raphaël</a>,
 402                                                 <i class="fa fa-copyright"></i> Copyright 2008, Dmitry Baranovskiy, <a href="http://raphaeljs.com/license.html" target="_blank">MIT License</a>
 403
 404                                                 <i class="fa fa-circle"></i> <a href="http://C3js.org/" target="_blank">C3</a>,
 405                                                 <i class="fa fa-copyright"></i> Copyright 2013, Masayuki Tanaka, <a href="https://github.com/masayuki0812/c3/blob/master/LICENSE" target="_blank">MIT License</a>
 406
 407                                                 <i class="fa fa-circle"></i> <a href="http://D3js.org/" target="_blank">D3</a>,
 408                                                 <i class="fa fa-copyright"></i> Copyright 2015, Mike Bostock, <a href="http://opensource.org/licenses/BSD-3-Clause" target="_blank">BSD License</a>
 409
 410                                         </small>
 411                                 </div>
 412                         </div>
 413                 </div>
 414         </div>
 415
 416         <div class="modal fade" id="welcomeModal" tabindex="-1" role="dialog" aria-labelledby="welcomeModalLabel">
 417                 <div class="modal-dialog modal-lg" role="document">
 418                         <div class="modal-content">
 419                                 <div class="modal-header">
 420                                         <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
 421                                         <h4 class="modal-title" id="welcomeModalLabel">Welcome!</h4>
 422                                 </div>
 423                                 <div class="modal-body">
 424                                                 <div class="p">
 425                                                 <b><a href="https://github.com/firehol/netdata/wiki" target="_blank">netdata</a></b> is the fastest way to visualize metrics. It is a resource efficient, highly optimized system for collecting and visualizing any type of realtime timeseries data, from CPU usage, disk activity, SQL queries, API calls, web site visitors, etc.
 426                                                 </div>
 427                                                 <div class="p">
 428                                                 <b><a href="https://github.com/firehol/netdata/wiki" target="_blank">netdata</a></b> tries to visualize the truth of <b>now</b>, in its <b>greatest detail</b>, so that you can get insights of what is happening now and what just happened, on your systems and applications.
 429                                                 </div>
 430                                                 <div class="p">
 431                                                 To make a chart in <b><a href="https://github.com/firehol/netdata/wiki" target="_blank">netdata</a></b>, you just need a <b>number</b>. Just a number you can read somehow. <b><a href="https://github.com/firehol/netdata/wiki" target="_blank">netdata</a></b> will turn this number to a real time, interactive, web chart. For collecting these numbers, it supports <a href="https://github.com/firehol/netdata/wiki/External-Plugins" target="_blank">external plugins</a>, even <a href="https://github.com/firehol/netdata/wiki/General-Info---charts.d" target="_blank">shell</a> or <a href="https://github.com/firehol/netdata/wiki/General-Info---charts.d" target="_blank">node.js</a> plugins. Any computer program, in any language, that can print a few lines of text on its standard output, can be a netdata data collector.
 432                                                 </div>
 433                                                 <div class="p">
 434                                                 <b><a href="https://github.com/firehol/netdata/wiki" target="_blank">netdata</a></b> can embed charts everywhere, like this one <div data-netdata="system.cpu" data-dimensions="system" data-after="-120" data-width="25%" data-height="15px" data-chart-library="dygraph" data-dygraph-theme="sparkline" data-show-value-of-system-at="system.cpu.system.modal.1"></div> (my CPU system usage which is <span id="system.cpu.system.modal.1" style="display: inline-block; width: 40px; text-align: right;"></span>%),
 435                                                 or this one <div data-netdata="ipv4.tcppackets" data-dimensions="received" data-after="-120" data-width="25%" data-height="15px" data-chart-library="dygraph" data-dygraph-theme="sparkline" data-show-value-of-received-at="ipv4.tcppackets.received.modal.1"></div> (my IPv4 received TCP packets, which are <span id="ipv4.tcppackets.received.modal.1" style="display: inline-block; width: 60px; text-align: right;"></span>/second).
 436                                                 </div>
 437                                                 <div class="p">
 438                                                 You can have <b><a href="https://github.com/firehol/netdata/wiki" target="_blank">netdata</a></b> charts on your site too. Just give it a <code>div</code> and a real time chart, zoomable and draggable will appear (try it even on these tiny ones - <b>drag</b> them to pan horizontally, <b>shift + drag</b> to zoom in, on <b>chrome shift + mouse wheel</b> to zoom in/out, <b>double click</b> on them to reset them - don't be afraid of <b><a href="https://github.com/firehol/netdata/wiki" target="_blank">netdata</a></b> performance - <a href="https://github.com/firehol/netdata/wiki/Performance" target="_blank">a raspberry pi 2 can sustain 300 charts updates per second</a>!).
 439                                                 </div>
 440                                                 <div class="p">
 441                                                 For more information please refer to the <b><a href="https://github.com/firehol/netdata/wiki" target="_blank">netdata wiki</a></b>.
 442                                                 </div>
 443                                 </div>
 444                                 <div class="modal-footer">
 445                                         <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
 446                                 </div>
 447                         </div>
 448                 </div>
 449         </div>
 450
 451         <div class="modal fade" id="helpModal" tabindex="-1" role="dialog" aria-labelledby="helpModalLabel">
 452                 <div class="modal-dialog modal-lg" role="document">
 453                         <div class="modal-content">
 454                                 <div class="modal-header">
 455                                         <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
 456                                         <h4 class="modal-title" id="helpModalLabel">Dashboard Help</h4>
 457                                 </div>
 458                                 <div class="modal-body">
 459
 460                                         <h4>Dygraphs (line, area and stacked area charts)</h4>
 461
 462                                         <!-- Nav tabs -->
 463                                         <ul class="nav nav-tabs" role="tablist">
 464                                                 <li role="presentation" class="active"><a href="#help_mouse" aria-controls="help_mouse" role="tab" data-toggle="tab">Mouse Interface</a></li>
 465                                                 <li role="presentation"><a href="#help_touch" aria-controls="help_touch" role="tab" data-toggle="tab">Touch Interface</a></li>
 466                                         </ul>
 467
 468                                         <!-- Tab panes -->
 469                                         <div class="tab-content">
 470                                                 <div role="tabpanel" class="tab-pane active" id="help_mouse">
 471                                                         <div class="p">
 472                                                                 <h4>Mouse Over / Hover</h4>
 473                                                                 Mouse over on a chart to show, at its legend, the values for the timestamp under the mouse (the chart will also highlight the point at the chart).
 474                                                                 <br/>
 475                                                                 All the other visible charts will also show and highlight their values for the same timestamp.
 476                                                         </div>
 477                                                         <hr/>
 478                                                         <div class="p">
 479                                                                 <h4>Trag Chart Contents</h4>
 480                                                                 Trag the contents of a chart to pan it horizontally.
 481                                                                 <br/>
 482                                                                 All the charts will follow soon after you let the chart alone (this little delay is by design: it speeds up your browser and lets you focus on what you are exploring).
 483                                                                 <br/>
 484                                                                 Once a chart is panned, auto refreshing stops for all charts. To enable it again, <b>double click</b> a panned chart.
 485                                                         </div>
 486                                                         <hr/>
 487                                                         <div class="p">
 488                                                                 <h4>Double Click</h4>
 489                                                                 Double Click a chart to reset all the charts to their default auto-refreshing state.
 490                                                         </div>
 491                                                         <hr/>
 492                                                         <div class="p">
 493                                                                 <h4>SHIFT + Trag</h4>
 494                                                                 While pressing the shift key, select with the mouse and area of a chart, to zoom in. The other charts will follow too. Zooming is performed in two phases:
 495                                                                 <ul>
 496                                                                         <li>The already loaded chart contents are zoomed (low resolution)</li>
 497                                                                         <li>New data are transfered from the netdata server, to refresh the chart with possibly more detail.</li>
 498                                                                 </ul>
 499                                                                 Once a chart is zoomed, auto refreshing stops for all charts. To enable it again, <b>double click</b> a zoomed chart.
 500                                                         </div>
 501                                                         <hr/>
 502                                                         <div class="p">
 503                                                                 <h4>SHIFT + Mouse Wheel <small>(does not work on firefox and IE/Edge)</small></h4>
 504                                                                 While pressing the shift key and the mouse pointer is over the contents of a chart, scroll the mouse wheel to zoom in or out. This kind of zooming is aligned to center below the mouse pointer. The other charts will follow too.
 505                                                                 <br/>
 506                                                                 Once a chart is zoomed, auto refreshing stops for all charts. To enable it again, <b>double click</b> a zoomed chart.
 507                                                         </div>
 508                                                         <hr/>
 509                                                         <div class="p">
 510                                                                 <h4>Legend Operations</h4>
 511                                                                 Click on the label or value of a dimension, will select / unselect this dimension.
 512                                                                 <br/>
 513                                                                 You can press any of the shift or control keys and the click on legend labels or values, to select / unselect multiple dimensions.
 514                                                         </div>
 515                                                 </div>
 516                                                 <div role="tabpanel" class="tab-pane" id="help_touch">
 517                                                         <div class="p">
 518                                                                 <h4>Single Tap</h4>
 519                                                                 Single Tap on the contents of a chart to show, at its legend, the values for the timestamp tapped (the chart will also highlight the point at the chart).
 520                                                                 <br/>
 521                                                                 All the other visible charts will also show and highlight their values for the same timestamp.
 522                                                         </div>
 523                                                         <hr/>
 524                                                         <div class="p">
 525                                                                 <h4>Trag Chart Contents</h4>
 526                                                                 Touch and Trag the contents of a chart to pan it horizontally.
 527                                                                 <br/>
 528                                                                 All the charts will follow soon after you let the chart alone (this little delay is by design: it speeds up your browser and lets you focus on what you are exploring).
 529                                                                 <br/>
 530                                                                 Once a chart is panned, auto refreshing stops for all charts. To enable it again, <b>double tap</b> a panned chart.
 531                                                         </div>
 532                                                         <hr/>
 533                                                         <div class="p">
 534                                                                 <h4>Double Tap</h4>
 535                                                                 Double tap a chart to reset all the charts to their default auto-refreshing state.
 536                                                         </div>
 537                                                         <hr/>
 538                                                         <div class="p">
 539                                                                 <h4>Zoom <small>(does not work on firefox and IE/Edge)</small></h4>
 540                                                                 With two fingers, zoom in or out.
 541                                                                 <br/>
 542                                                                 Once a chart is zoomed, auto refreshing stops for all charts. To enable it again, <b>double click</b> a zoomed chart.
 543                                                         </div>
 544                                                         <hr/>
 545                                                         <div class="p">
 546                                                                 <h4>Legend Operations</h4>
 547                                                                 Tap on the label or value of a dimension, will select / unselect this dimension.
 548                                                         </div>
 549                                                 </div>
 550                                         </div>
 551                                 </div>
 552                                 <div class="modal-footer">
 553                                         <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
 554                                 </div>
 555                         </div>
 556                 </div>
 557         </div>
 558
 559         <div class="modal fade" id="optionsModal" tabindex="-1" role="dialog" aria-labelledby="optionsModalLabel">
 560                 <div class="modal-dialog modal-lg" role="document">
 561                         <div class="modal-content">
 562                                 <div class="modal-header">
 563                                         <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
 564                                         <h4 class="modal-title" id="optionsModalLabel">netdata dashboard options</h4>
 565                                 </div>
 566                                 <div class="modal-body">
 567                                         <center>
 568                                                 <small style="color: #BBBBBB;">Settings take effect immediately and are saved permanently to browser local storage (except the refresh on focus / always option).
 569                                                 <br/>
 570                                                 To reset all options (including charts sizes) to their defaults, click <a href="#" onclick="NETDATA.resetOptions(); return false;">here</a>.</small>
 571                                         </center>
 572                                         <div style="padding: 10px;"></div>
 573
 574                                         <!-- Nav tabs -->
 575                                         <ul class="nav nav-tabs" role="tablist">
 576                                                 <li role="presentation" class="active"><a href="#settings_performance" aria-controls="settings_performance" role="tab" data-toggle="tab">Performance</a></li>
 577                                                 <li role="presentation"><a href="#settings_sync" aria-controls="settings_sync" role="tab" data-toggle="tab">Synchronization</a></li>
 578                                                 <li role="presentation"><a href="#settings_visual" aria-controls="settings_visual" role="tab" data-toggle="tab">Visual</a></li>
 579                                         </ul>
 580
 581                                         <!-- Tab panes -->
 582                                         <div class="tab-content">
 583                                                 <div role="tabpanel" class="tab-pane active" id="settings_performance">
 584                                                         <form id="optionsForm" method="get" class="form-horizontal">
 585                                                                 <div class="form-group">
 586                                                                         <table>
 587                                                                         <tr class="option-row">
 588                                                                                 <td class="option-control"><input id="stop_updates_when_focus_is_lost" type="checkbox" checked data-toggle="toggle" data-offstyle="danger" data-onstyle="success" data-on="On Focus" data-off="Always" data-width="110px"></td>
 589                                                                                 <td class="option-info"><strong>When to refresh the charts?</strong><br/>
 590                                                                                         <small>When set to <b>On Focus</b>, the charts will stop being updated if the page / tab does not have the focus of the user. When set to <b>Always</b>, the charts will always be refreshed. Set it to <b>On Focus</b> it to lower the CPU requirements of the browser (and extend the battery of laptops and tablets) when this page does not have your focus. Set to <b>Always</b> to work on another window (i.e. change the settings of something) and have the charts auto-refresh in this window.</small>
 591                                                                                 </td>
 592                                                                                 </tr>
 593                                                                         <tr class="option-row">
 594                                                                                 <td class="option-control">
 595                                                                                 <input id="eliminate_zero_dimensions" type="checkbox" checked data-toggle="toggle" data-on="Non Zero" data-off="All" data-width="110px">
 596                                                                                 </td>
 597                                                                                 <td class="option-info"><strong>Which dimensions to show?</strong><br/>
 598                                                                                         <small>When set to <b>Non Zero</b>, dimensions that have all their values (within the current view) set to zero will not be transfered from the netdata server (except if all dimensions of the chart are zero, in which case this setting does nothing - all dimensions are transfered and shown). When set to <b>All</b>, all dimensions will always be shown. Set it to <b>Non Zero</b> to lower the data transfered between netdata and your browser, lower the CPU requirements of your browser (fewer lines to draw) and increase the focus on the legends (fewer entries at the legends).</small>
 599                                                                                 </td>
 600                                                                                 </tr>
 601                                                                         <tr class="option-row">
 602                                                                                 <td class="option-control"><input id="destroy_on_hide" type="checkbox" data-toggle="toggle" data-on="Destroy" data-off="Hide" data-width="110px"></td>
 603                                                                                 <td class="option-info"><strong>How to handle hidden charts?</strong><br/>
 604                                                                                         <small>When set to <b>Destroy</b>, charts that are not in the current viewport of the browser (are above, or below the visible area of the page), will be destroyed and re-created if and when they become visible again. When set to <b>Hide</b>, the not-visible charts will be just hidden, to simplify the DOM and speed up your browser. Set it to <b>Destroy</b>, to lower the memory requirements of your browser. Set it to <b>Hide</b> for smoother page scrolling.</small>
 605                                                                                 </td>
 606                                                                                 </tr>
 607                                                                         </table>
 608                                                                 </div>
 609                                                         </form>
 610                                                 </div>
 611                                                 <div role="tabpanel" class="tab-pane" id="settings_sync">
 612                                                         <form id="optionsForm" method="get" class="form-horizontal">
 613                                                                 <div class="form-group">
 614                                                                         <table>
 615                                                                         <tr class="option-row">
 616                                                                                 <td class="option-control"><input id="parallel_refresher" type="checkbox" checked data-toggle="toggle" data-on="Parallel" data-off="Sequencial" data-width="110px"></td>
 617                                                                                 <td class="option-info"><strong>Which chart refresh policy to use?</strong><br/>
 618                                                                                         <small>When set to <b>parallel</b>, visible charts are refreshed in parallel (all queries are sent to netdata server in parallel) and are rendered asynchronously. When set to <b>sequencial</b> charts are refreshed one after another. Set it to parallel if your browser can cope with it (most modern browsers do), set it to sequencial if you work on an older/slower computer.</small>
 619                                                                                 </td>
 620                                                                                 </tr>
 621                                                                         <tr class="option-row" id="concurrent_refreshes_row">
 622                                                                                 <td class="option-control"></td>
 623                                                                                 <td class="option-info">
 624                                                                                         <table>
 625                                                                                         <tr class="option-row">
 626                                                                                         <td class="option-control">
 627                                                                                         <input id="concurrent_refreshes" type="checkbox" checked data-toggle="toggle" data-on="Resync" data-off="Best Effort" data-width="110px">
 628                                                                                         </td>
 629                                                                                         <td class="option-info">
 630                                                                                         <strong>Shall we re-sync chart refreshes?</strong><br/>
 631                                                                                         <small>When set to <b>Resync</b>, the dashboard will attempt to re-synchronize all the charts so that they are refreshed concurrently. When set to <b>Best Effort</b>, each chart may be refreshed with a little time difference to the others. Normally, the dashboard starts refreshing them in parallel, but depending on the speed of your computer and the network latencies, charts start having a slight time difference. Setting this to <b>Resync</b> will attempt to re-synchronize the charts on every update. Setting it to <b>Best Effort</b> may lower the pressure on your browser and the network.</small>
 632                                                                                         </td>
 633                                                                                         </tr>
 634                                                                                         </table>
 635                                                                                 </td>
 636                                                                                 </tr>
 637                                                                         <tr class="option-row">
 638                                                                                 <td class="option-control"><input id="sync_selection" type="checkbox" checked data-toggle="toggle" data-on="Sync" data-off="Don't Sync" data-onstyle="success" data-offstyle="danger" data-width="110px"></td>
 639                                                                                 <td class="option-info"><strong>Sync hover selection on all charts?</strong><br/>
 640                                                                                         <small>When enabled, a selection on one chart will automatically select the same time on all other visible charts and the legends of all visible charts will be updated to show the selected values. When disabled, only the chart getting the user's attention will be selected. Enable it to get better insights of the data. Disable it if you are on a very slow computer that cannot actually do it.</small>
 641                                                                                 </td>
 642                                                                                 </tr>
 643                                                                         <tr class="option-row">
 644                                                                                 <td class="option-control"><input id="sync_pan_and_zoom" type="checkbox" checked data-toggle="toggle"  data-on="Sync" data-off="Don't Sync" data-onstyle="success" data-offstyle="danger" data-width="110px"></td>
 645                                                                                 <td class="option-info"><strong>Sync pan and zoom on all charts?</strong><br/>
 646                                                                                         <small>When enabled, pan and zoom operations on a chart will be replicated to all charts (even the ones that are not currently visible - of course only when they will become visible). When disabled, pan and zoom operations will not be propagated to other charts.</small>
 647                                                                                 </td>
 648                                                                                 </tr>
 649                                                                         </table>
 650                                                                 </div>
 651                                                         </form>
 652                                                 </div>
 653                                                 <div role="tabpanel" class="tab-pane" id="settings_visual">
 654                                                         <form id="optionsForm" method="get" class="form-horizontal">
 655                                                                 <div class="form-group">
 656                                                                         <table>
 657                                                                         <tr class="option-row">
 658                                                                                 <td class="option-control"><input id="pan_and_zoom_data_padding" type="checkbox" checked data-toggle="toggle"  data-on="Pad" data-off="Don't Pad" data-width="110px"></td>
 659                                                                                 <td class="option-info"><strong>Enable data padding when panning and zooming?</strong><br/>
 660                                                                                         <small>When set to <b>Pad</b> the charts will be padded with more data, both before and after the visible area, thus giving the impression the whole database is loaded. This padding will happen only after the first pan or zoom operation on the chart (initially all charts have only the visible data). When set to <b>Don't Pad</b> only the visible data will be transfered from the netdata server, even after the first pan and zoom operation.</small>
 661                                                                                 </td>
 662                                                                                 </tr>
 663                                                                         <tr class="option-row">
 664                                                                                 <td class="option-control"><input id="smooth_plot" type="checkbox" checked data-toggle="toggle"  data-on="Smooth" data-off="Rough" data-width="110px"></td>
 665                                                                                 <td class="option-info"><strong>Enable Bézier lines on charts?</strong><br/>
 666                                                                                         <small>When set to <b>Smooth</b> the charts libraries that support it, will plot smooth curves instead of simple straight lines to connect the points.</small>
 667                                                                                 </td>
 668                                                                                 </tr>
 669                                                                         </table>
 670                                                                 </div>
 671                                                         </form>
 672                                                 </div>
 673                                         </div>
 674                                 </div>
 675                                 <div class="modal-footer">
 676                                         <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
 677                                 </div>
 678                         </div>
 679                 </div>
 680         </div>
 681
 682 </body>
 683 </html>
 684 <script>
 685
 686 var demo_hostname = 'netdata.firehol.org';
 687 // var demo_hostname = 'box';
 688
 689 if(document.location.hostname === demo_hostname) {
 690         document.getElementById('masthead').style.display = 'block';
 691 }
 692
 693 var options = {
 694         sparklines_registry: {},
 695         submenu_names: {},
 696         data: null,
 697         hostname: 'netdata_server', // will be overwritten by the netdata server
 698         categories: new Array(),
 699         categories_idx: {},
 700         families: new Array(),
 701         families_idx: {},
 702
 703         chartsPerRow: 0,
 704         chartsMinWidth: 1450,
 705         chartsHeight: 180,
 706         sparklinesHeight: 60
 707 };
 708
 709 // generate a sparkline
 710 // used in the documentation
 711 function sparkline(chart, dimension, units) {
 712         var key = chart + '.' + dimension;
 713
 714         if(typeof units === 'undefined')
 715                 units = '';
 716
 717         if(typeof options.sparklines_registry[key] === 'undefined')
 718                 options.sparklines_registry[key] = { count: 1 };
 719         else
 720                 options.sparklines_registry[key].count++;
 721
 722         key = key + '.' + options.sparklines_registry[key].count;
 723
 724         var h = '<div data-netdata="' + chart + '" data-after="-120" data-width="25%" data-height="15px" data-chart-library="dygraph" data-dygraph-theme="sparkline" data-dimensions="' + dimension + '" data-show-value-of-' + dimension + '-at="' + key + '"></div> (<span id="' + key + '" style="display: inline-block; min-width: 50px; text-align: right;">X</span>' + units + ')';
 725
 726         return h;
 727 }
 728
 729 function chartsPerRow(total) {
 730         if(options.chartsPerRow === 0) {
 731                 width = Math.floor(total / options.chartsMinWidth);
 732                 if(width === 0) width = 1;
 733                 return width;
 734         }
 735         else return options.chartsPerRow;
 736 }
 737
 738 function prioritySort(a, b) {
 739         if(a.priority < b.priority) return -1;
 740         if(a.priority > b.priority) return 1;
 741         if(a.name < b.name) return -1;
 742         return 1;
 743 }
 744
 745 function sortObjectByPriority(object) {
 746         var idx = {};
 747         var sorted = new Array();
 748
 749         for(var i in object) {
 750                 if(typeof idx[i] === 'undefined') {
 751                         idx[i] = object[i];
 752                         sorted.push(i);
 753                 }
 754         }
 755
 756         sorted.sort(function(a, b) {
 757                 if(idx[a].priority < idx[b].priority) return -1;
 758                 if(idx[a].priority > idx[b].priority) return 1;
 759                 if(a < b) return -1;
 760                 return 1;
 761         });
 762
 763         return sorted;
 764 }
 765
 766 // ----------------------------------------------------------------------------
 767
 768 function gaugeChart(title, width, dimensions, colors) {
 769         if(typeof colors === 'undefined')
 770                 colors = '';
 771
 772         if(typeof dimensions === 'undefined')
 773                 dimensions = '';
 774
 775         return '<div data-netdata="CHART_UNIQUE_ID"'
 776                                                         + ' data-dimensions="' + dimensions + '"'
 777                                                         + ' data-chart-library="gauge"'
 778                                                         + ' data-gauge-adjust="width"'
 779                                                         + ' data-title="' + title + '"'
 780                                                         + ' data-width="' + width + '"'
 781                                                         + ' data-before="0"'
 782                                                         + ' data-after="-CHART_DURATION"'
 783                                                         + ' data-points="CHART_DURATION"'
 784                                                         + ' data-colors="' + colors + '"'
 785                                                         + ' role="application"></div>';
 786 }
 787
 788 // ----------------------------------------------------------------------------
 789
 790 var menuData = {
 791         'system': {
 792                 title: 'System Overview',
 793                 info: 'Overview of the key system metrics.'
 794         },
 795
 796         'ap': {
 797                 title: 'Access Points',
 798                 info: undefined
 799         },
 800
 801         'tc': {
 802                 title: 'Quality of Service',
 803                 info: 'Netdata collects and visualizes tc class utilization using its <a href="https://github.com/firehol/netdata/blob/master/plugins.d/tc-qos-helper.sh" target="_blank">tc-helper plugin</a>. If you also use <a href="http://firehol.org/#fireqos" target="_blank">FireQOS</a> for setting up QoS, netdata automatically collects interface and class names. If your QoS configuration includes overheads calculation, the values shown here will include these overheads (the total bandwidth for the same interface as reported in the Network Interfaces section, will be lower than the total bandwidth reported here). Also, data collection may have a slight time difference compared to the interface (QoS data collection is implemented with a BASH script, so a shift in data collection of a few milliseconds should be justified).'
 804         },
 805
 806         'net': {
 807                 title: 'Network Interfaces',
 808                 info: 'Per network interface statistics collected from <code>/proc/net/dev</code>.'
 809         },
 810
 811         'ipv4': {
 812                 title: 'IPv4 Networking',
 813                 info: undefined
 814         },
 815
 816         'ipvs': {
 817                 title: 'IP Virtual Server',
 818                 info: undefined
 819         },
 820
 821         'netfilter': {
 822                 title: 'Firewall (netfilter)',
 823                 info: undefined
 824         },
 825
 826         'cpu': {
 827                 title: 'CPUs',
 828                 info: undefined
 829         },
 830
 831         'mem': {
 832                 title: 'Memory',
 833                 info: undefined
 834         },
 835
 836         'disk': {
 837                 title: 'Disks',
 838                 info: undefined
 839         },
 840
 841         'sensors': {
 842                 title: 'Sensors',
 843                 info: undefined
 844         },
 845
 846         'nfsd': {
 847                 title: 'File Server (nfsd)',
 848                 info: undefined
 849         },
 850
 851         'apps': {
 852                 title: 'Applications',
 853                 info: 'Per application statistics are collected using netdata\'s <code>apps.plugin</code>. This plugin walks through the entire <code>/proc</code> filesystem and aggregates statistics for applications of interest, defined in <code>/etc/netdata/apps_groups.conf</code> (the default is <a href="https://github.com/firehol/netdata/blob/master/conf.d/apps_groups.conf" target="_blank">here</a>). The plugin internaly builds a process tree (much like <code>ps fax</code> does), and groups processes together (evaluating both child and parent processes) so that the result is always a chart with a predefined set of dimensions (of course, only application groups found running are reported).<br/><b>IMPORTANT</b>: The values shown here are not 100% accurate. They only include values for the processes running. If an application is spawning childs continiously, which are terminated in just a few milliseconds (like shell scripts do), the values reported will be inaccurate. Linux does report the values for the exited childs of a process. However, these values are reported to the parent process <b>only when the child exits</b>. If these values, of the exited child processes, were also aggregated in the charts below, the charts would have been full of spikes, presenting unrealisting utilization for each process group. So, we decided to ignore these values and present only the utilization of <b>the currently running processes</b>.',
 854                 height: 1.5
 855         },
 856
 857         'netdata': {
 858                 title: 'Netdata Monitoring',
 859                 info: undefined
 860         },
 861
 862         'example': {
 863                 title: 'Example Charts',
 864                 info: undefined
 865         },
 866 };
 867
 868 var submenuData = {
 869         'mem.ksm': {
 870                 title: 'Memory Deduper',
 871                 info: 'Kernel Same-page Merging (KSM) is the kernel memory de-duper.'
 872         }
 873 };
 874
 875 var chartData = {
 876         'system.cpu': {
 877                 info: 'Total CPU utilization (all cores). 100% here means there is no CPU idle time at all. You can get per core usage at the <a href="#cpu">CPUs</a> section and per application usage at the <a href="#apps">Applications Monitoring</a> section.<br/>Keep an eye on <b>iowait</b> ' + sparkline('system.cpu', 'iowait', '%') + '. If it is constantly high, your disks are a bottleneck and they slow your system down.<br/>Another important metric worth monitoring, is <b>softirq</b> ' + sparkline('system.cpu', 'softirq', '%') + '. A constantly high percentage of softirq may indicate network drivers issues.'
 878         },
 879
 880         'system.load': {
 881                 info: 'Current system load read from <code>/proc/loadavg</code>.',
 882                 height: 0.7
 883         },
 884
 885         'system.io': {
 886                 info: 'Total Disk I/O, for all disks, read from <code>/proc/vmstat</code>. You can get detailed information about each disk at the <a href="#disk">Disks</a> section and per application Disk usage at the <a href="#apps">Applications Monitoring</a> section.'
 887         },
 888
 889         'system.swapio': {
 890                 info: 'Total Swap I/O, read from <code>/proc/vmstat</code>. (netdata measures both <code>in</code> and <code>out</code>. If either of them is not shown in the chart, it is because it is zero - you can change the page settings to always render all the available dimensions on all charts).'
 891         },
 892
 893         'system.pgfaults': {
 894                 info: 'Total page faults, read from <code>/proc/vmstat</code>. <b>Major page faults</b> indicates that the system is using its swap. You can find which applications use the swap at the <a href="#apps">Applications Monitoring</a> section.'
 895         },
 896
 897         'system.entropy': {
 898                 colors: '#CC22AA',
 899                 info: '<a href="https://en.wikipedia.org/wiki/Entropy_(computing)" target="_blank">Entropy</a>, read from <code>/proc/sys/kernel/random/entropy_avail</code>, is like a pool of random numbers that are mainly used in cryptography. It is advised that the pool remains always <a href="https://blog.cloudflare.com/ensuring-randomness-with-linuxs-random-number-generator/" target="_blank">above 200</a>. If the pool of entropy gets empty, you risk your security to be predictable and you should install a user-space random numbers generating daemon, like <a href="http://www.issihosts.com/haveged/" target="_blank">haveged</a>, to keep the pool in healthy levels.'
 900         },
 901
 902         'system.forks': {
 903                 colors: '#5555DD',
 904                 info: 'The number of new processes created per second, read from <code>/proc/stat</code>.'
 905         },
 906
 907         'system.intr': {
 908                 colors: '#DD5555',
 909                 info: 'Total number of CPU interrupts, read from <code>/proc/stat</code>. Check <code>system.interrupts</code> that gives more detail about each interrupt and also the <a href="#cpu">CPUs</a> section where interrupts are analyzed per CPU core.'
 910         },
 911
 912         'system.interrupts': {
 913                 info: 'CPU interrupts in detail, read from <code>/proc/interrupts</code>. At the <a href="#cpu">CPUs</a> section, interrupts are analyzed per CPU core.'
 914         },
 915
 916         'system.softirqs': {
 917                 info: 'CPU softirqs in detail, read from <code>/proc/softirqs</code>. At the <a href="#cpu">CPUs</a> section, softirqs are analyzed per CPU core.'
 918         },
 919
 920         'system.processes': {
 921                 info: 'System processes, read from <code>/proc/stat</code>. <b>Blocked</b> are processes that are willing to execute but they cannot, e.g. because they wait for disk activity.'
 922         },
 923
 924         'system.active_processes': {
 925                 info: 'All system active processes, read from <code>/proc/loadavg</code>.'
 926         },
 927
 928         'system.ctxt': {
 929                 info: '<a href="https://en.wikipedia.org/wiki/Context_switch" target="_blank">Context Switches</a>, read from <code>/proc/stat</code>, is the switching of the CPU from one process, task or thread to another. If there are many processes or threads willing to execute and very few CPU cores available to handle them, the system is making more context switching to balance the CPU resources among them. The whole process is computationally intensive. The more the context switches, the slower the system gets.'
 930         },
 931
 932         'system.idlejitter': {
 933                 colors: '#5555AA',
 934                 info: 'Idle jitter is calculated by netdata. A thread is spawned that requests to sleep for a few microseconds. When the system wakes it up, it measures how many microseconds have passed. The different between the requested and the actual duration of the sleep, is the <b>idle jitter</b>. This number is useful in realtime environments, where CPU jitter can affect the quality of the service (like VoIP media gateways).'
 935         },
 936
 937         'system.ipv4': {
 938                 info: 'Total IPv4 Traffic, read from <code>/proc/net/netstat</code>. This includes <code>lo</code> device traffic.'
 939         },
 940
 941         'system.ram': {
 942                 info: 'System memory, read from <code>/proc/meminfo</code>.'
 943         },
 944
 945         'system.swap': {
 946                 info: 'System swap memory, read from <code>/proc/meminfo</code>.'
 947         },
 948
 949         'mem.committed': {
 950                 colors: NETDATA.colors[3]
 951         },
 952
 953         'apps.cpu': {
 954                 height: 2.0
 955         },
 956
 957         'apps.preads': {
 958                 height: 2.0
 959         },
 960
 961         'apps.pwrites': {
 962                 height: 2.0
 963         },
 964
 965         'tc.qos': {
 966                 heads: [
 967                         function(id) {
 968                                 if(id.match(/.*-ifb$/))
 969                                         return gaugeChart('Inbound', '12%', '', '#5555AA');
 970                                 else
 971                                         return gaugeChart('Outbound', '12%', '', '#AA9900');
 972                         }
 973                 ]
 974         },
 975
 976         'net.net': {
 977                 heads: [
 978                         gaugeChart('Received', '12%', 'received'),
 979                         gaugeChart('Sent', '12%', 'sent')
 980                 ]
 981         },
 982
 983         'disk.util': {
 984                 colors: '#FF5588',
 985                 heads: [
 986                         gaugeChart('Utilization', '12%', '', '#FF5588')
 987                 ]
 988         },
 989
 990         'disk.backlog': {
 991                 colors: '#0099CC'
 992         },
 993
 994         'disk.io': {
 995                 heads: [
 996                         gaugeChart('Read', '12%', 'reads'),
 997                         gaugeChart('Write', '12%', 'writes')
 998                 ]
 999         },
1000
1001         'netfilter.sockets': {
1002                 colors: '#88AA00',
1003                 heads: [
1004                         gaugeChart('Active Connections', '12%', '', '#88AA00')
1005                 ]
1006         },
1007
1008         'netfilter.new': {
1009                 heads: [
1010                         gaugeChart('New Connections', '12%', 'new', '#5555AA')
1011                 ]
1012         },
1013
1014         'disk.iotime': {
1015                 height: 0.5
1016         },
1017         'disk.mops': {
1018                 height: 0.5
1019         },
1020         'disk.svctm': {
1021                 height: 0.5
1022         },
1023         'disk.avgsz': {
1024                 height: 0.5
1025         },
1026         'disk.await': {
1027                 height: 0.5
1028         },
1029
1030         'apache.connections': {
1031                 colors: NETDATA.colors[4],
1032                 mainheads: [
1033                         gaugeChart('Connections', '12%', '', NETDATA.colors[4])
1034                 ]
1035         },
1036
1037         'apache.requests': {
1038                 colors: NETDATA.colors[0],
1039                 mainheads: [
1040                         gaugeChart('Connections', '12%', '', NETDATA.colors[0])
1041                 ]
1042         },
1043
1044         'apache.net': {
1045                 colors: NETDATA.colors[3],
1046                 mainheads: [
1047                         gaugeChart('Bandwidth', '12%', '', NETDATA.colors[3])
1048                 ]
1049         },
1050
1051         'apache.workers': {
1052                 mainheads: [
1053                         function(id) {
1054                                 return  '<div data-netdata="' + id + '"'
1055                                         + ' data-dimensions="busy"'
1056                                         + ' data-append-options="percentage"'
1057                                         + ' data-gauge-max-value="100"'
1058                                         + ' data-chart-library="gauge"'
1059                                         + ' data-title="Workers Utilization"'
1060                                         + ' data-units="percentage %"'
1061                                         + ' data-gauge-adjust="width"'
1062                                         + ' data-width="12%"'
1063                                         + ' data-before="0"'
1064                                         + ' data-after="-CHART_DURATION"'
1065                                         + ' data-points="CHART_DURATION"'
1066                                         + ' role="application"></div>';
1067                         }
1068                 ]
1069         },
1070
1071         'apache.bytesperreq': {
1072                 colors: NETDATA.colors[3],
1073                 height: 0.5
1074         },
1075
1076         'apache.reqpersec': {
1077                 colors: NETDATA.colors[4],
1078                 height: 0.5
1079         },
1080
1081         'apache.bytespersec': {
1082                 colors: NETDATA.colors[6],
1083                 height: 0.5
1084         },
1085
1086         'nginx.connections': {
1087                 colors: NETDATA.colors[4],
1088                 mainheads: [
1089                         gaugeChart('Connections', '12%', '', NETDATA.colors[4])
1090                 ]
1091         },
1092
1093         'nginx.requests': {
1094                 colors: NETDATA.colors[0],
1095                 mainheads: [
1096                         gaugeChart('Requests', '12%', '', NETDATA.colors[0])
1097                 ]
1098         }
1099 };
1100
1101 function anyAttribute(obj, attr, key, def) {
1102         if(typeof obj[key] !== 'undefined') {
1103                 if(typeof obj[key][attr] !== 'undefined')
1104                         return obj[key][attr];
1105         }
1106         return def;
1107 }
1108
1109 function menuTitle(menu) {
1110         return anyAttribute(menuData, 'title', menu, menu);
1111 }
1112
1113 function menuInfo(menu) {
1114         return anyAttribute(menuData, 'title', menu, null);
1115 }
1116
1117 function menuHeight(menu, relative) {
1118         return anyAttribute(menuData, 'height', menu, 1.0) * relative;
1119 }
1120
1121 function submenuTitle(menu, submenu) {
1122         var key = menu + '.' + submenu;
1123         return anyAttribute(submenuData, 'title', key, submenu);
1124 }
1125
1126 function submenuInfo(menu, submenu) {
1127         var key = menu + '.' + submenu;
1128         return anyAttribute(submenuData, 'info', key, null);
1129 }
1130
1131 function submenuHeight(menu, submenu, relative) {
1132         var key = menu + '.' + submenu;
1133         return anyAttribute(submenuData, 'height', key, 1.0) * relative;
1134 }
1135
1136
1137 function chartInfo(id) {
1138         if(typeof chartData[id] !== 'undefined' && typeof chartData[id].info !== 'undefined')
1139                 return '<div class="chart-message netdata-chart-alignment" role="document">' + chartData[id].info + '</div>';
1140         else
1141                 return '';
1142 }
1143
1144 function chartHeight(id, def) {
1145         if(typeof chartData[id] !== 'undefined' && typeof chartData[id].height !== 'undefined')
1146                 return def * chartData[id].height;
1147         else
1148                 return def;
1149 }
1150
1151
1152 // ----------------------------------------------------------------------------
1153
1154 // enrich the data structure returned by netdata
1155 // to reflect our menu system and content
1156 function enrichChartData(chart) {
1157         var tmp = chart.type.split('_')[0];
1158
1159         switch(tmp) {
1160                 case 'ap':
1161                 case 'net':
1162                 case 'disk':
1163                         chart.menu = tmp;
1164                         break;
1165
1166                 case 'tc':
1167                         chart.menu = tmp;
1168
1169                         // find the interface name from the name
1170                         if(typeof options.submenu_names[chart.family] === 'undefined' || options.submenu_names[chart.family] === chart.family)
1171                                 options.submenu_names[chart.family] = chart.name.split('.')[1].split('_')[0];
1172
1173                         // increase the priority of IFB devices
1174                         if(chart.id.match(/.*-ifb$/))
1175                                 chart.priority--;
1176
1177                         break;
1178
1179                 default:
1180                         chart.menu = chart.type;
1181                         break;
1182         }
1183
1184         chart.submenu = chart.family;
1185 }
1186
1187 // ----------------------------------------------------------------------------
1188
1189 function name2id(s) {
1190         return s
1191                 .replace(' ', '_')
1192                 .replace('(', '_')
1193                 .replace(')', '_')
1194                 .replace('.', '_')
1195                 .replace('/', '_');
1196 }
1197
1198 function headMain(charts, duration) {
1199         var head = '';
1200
1201         if(typeof charts['system.swap'] !== 'undefined')
1202                 head += '<div style="margin-right: 10px;" data-netdata="system.swap"'
1203                 + ' data-dimensions="free"'
1204                 + ' data-append-options="percentage"'
1205                 + ' data-chart-library="easypiechart"'
1206                 + ' data-title="Free Swap"'
1207                 + ' data-units="%"'
1208                 + ' data-easypiechart-max-value="100"'
1209                 + ' data-width="8%"'
1210                 + ' data-before="0"'
1211                 + ' data-after="-' + duration.toString() + '"'
1212                 + ' data-points="' + duration.toString() + '"'
1213                 + ' data-colors="#DD4400"'
1214                 + ' role="application"></div>';
1215
1216         if(typeof charts['system.io'] !== 'undefined') {
1217                 head += '<div style="margin-right: 10px;" data-netdata="system.io"'
1218                 + ' data-dimensions="in"'
1219                 + ' data-chart-library="easypiechart"'
1220                 + ' data-title="Disk Read"'
1221                 + ' data-units="KB / s"'
1222                 + ' data-width="10%"'
1223                 + ' data-before="0"'
1224                 + ' data-after="-' + duration.toString() + '"'
1225                 + ' data-points="' + duration.toString() + '"'
1226                 + ' role="application"></div>';
1227
1228                 head += '<div style="margin-right: 10px;" data-netdata="system.io"'
1229                 + ' data-dimensions="out"'
1230                 + ' data-chart-library="easypiechart"'
1231                 + ' data-title="Disk Write"'
1232                 + ' data-units="KB / s"'
1233                 + ' data-width="10%"'
1234                 + ' data-before="0"'
1235                 + ' data-after="-' + duration.toString() + '"'
1236                 + ' data-points="' + duration.toString() + '"'
1237                 + ' role="application"></div>';
1238         }
1239
1240         if(typeof charts['system.cpu'] !== 'undefined')
1241                 head += '<div data-netdata="system.cpu"'
1242                 + ' data-chart-library="gauge"'
1243                 + ' data-title="CPU"'
1244                 + ' data-units="%"'
1245                 + ' data-gauge-max-value="100"'
1246                 + ' data-width="18%"'
1247                 + ' data-after="-' + duration.toString() + '"'
1248                 + ' data-points="' + duration.toString() + '"'
1249                 + ' data-colors="' + NETDATA.colors[12] + '"'
1250                 + ' role="application"></div>';
1251
1252         if(typeof charts['system.ipv4'] !== 'undefined') {
1253                 head += '<div style="margin-right: 10px;" data-netdata="system.ipv4"'
1254                 + ' data-dimensions="received"'
1255                 + ' data-chart-library="easypiechart"'
1256                 + ' data-title="IPv4 Inbound"'
1257                 + ' data-units="kbps"'
1258                 + ' data-width="10%"'
1259                 + ' data-before="0"'
1260                 + ' data-after="-' + duration.toString() + '"'
1261                 + ' data-points="' + duration.toString() + '"'
1262                 + ' role="application"></div>';
1263
1264                 head += '<div style="margin-right: 10px;" data-netdata="system.ipv4"'
1265                 + ' data-dimensions="sent"'
1266                 + ' data-chart-library="easypiechart"'
1267                 + ' data-title="IPv4 Outbound"'
1268                 + ' data-units="kbps"'
1269                 + ' data-width="10%"'
1270                 + ' data-before="0"'
1271                 + ' data-after="-' + duration.toString() + '"'
1272                 + ' data-points="' + duration.toString() + '"'
1273                 + ' role="application"></div>';
1274         }
1275
1276         if(typeof charts['system.ram'] !== 'undefined')
1277                 head += '<div style="margin-right: 10px;" data-netdata="system.ram"'
1278                 + ' data-dimensions="cached|free"'
1279                 + ' data-append-options="percentage"'
1280                 + ' data-chart-library="easypiechart"'
1281                 + ' data-title="Available RAM"'
1282                 + ' data-units="%"'
1283                 + ' data-easypiechart-max-value="100"'
1284                 + ' data-width="8%"'
1285                 + ' data-after="-' + duration.toString() + '"'
1286                 + ' data-points="' + duration.toString() + '"'
1287                 + ' data-colors="' + NETDATA.colors[7] + '"'
1288                 + ' role="application"></div>';
1289
1290         return head;
1291 }
1292
1293 function generateHeadCharts(type, chart, duration) {
1294         var head = '';
1295         var hcharts = anyAttribute(chartData, type, chart.context, []);
1296         if(hcharts.length > 0) {
1297                 var hi = 0, hlen = hcharts.length;
1298                 while(hi < hlen) {
1299                         if(typeof hcharts[hi] === 'function')
1300                                 head += hcharts[hi](chart.id).replace('CHART_DURATION', duration.toString()).replace('CHART_UNIQUE_ID', chart.id);
1301                         else
1302                                 head += hcharts[hi].replace('CHART_DURATION', duration.toString()).replace('CHART_UNIQUE_ID', chart.id);
1303                         hi++;
1304                 }
1305         }
1306         return head;
1307 }
1308
1309 function renderPage(menus, data) {
1310         var div = document.getElementById('charts_div');
1311         var pcent_width = Math.floor(100 / chartsPerRow($(div).width()));
1312
1313         // find the proper duration for per-second updates
1314         var duration = Math.round(($(div).width() * pcent_width / 100 * data.update_every / 3) / 60) * 60;
1315         var html = '';
1316         var sidebar = '<ul class="nav dashboard-sidenav" data-spy="affix" id="sidebar_ul">';
1317         var mainhead = headMain(data.charts, duration);
1318
1319         // sort the menus
1320         var main = sortObjectByPriority(menus);
1321         var i = 0, len = main.length;
1322         while(i < len) {
1323                 var menu = main[i++];
1324
1325                 // generate an entry at the main menu
1326
1327                 sidebar += '<li class=""><a href="#' + menu + '">' + menus[menu].title + '</a><ul class="nav">';
1328                 html += '<div role="section"><div role="sectionhead"><h1 id="' + menu + '" role="heading">' + menus[menu].title + '</h1></div><div id="' + menu + '" role="document">';
1329
1330                 if(menus[menu].info !== null)
1331                         html += menus[menu].info;
1332
1333                 // console.log(' >> ' + menu + ' (' + menus[menu].priority + '): ' + menus[menu].title);
1334
1335                 var shtml = '';
1336                 var mhead = '<div style="width: 100%; text-align: center;">' + mainhead;
1337                 mainhead = '';
1338
1339                 // sort the submenus of this menu
1340                 var sub = sortObjectByPriority(menus[menu].submenus);
1341                 var si = 0, slen = sub.length;
1342                 while(si < slen) {
1343                         var submenu = sub[si++];
1344
1345                         // generate an entry at the submenu
1346                         sidebar += '<li class><a href="#' + name2id(menu + '_' + submenu) + '">' + menus[menu].submenus[submenu].title + '</a></li>';
1347                         shtml += '<div class="netdata-group-container" id="submenu_' + name2id(menu + '_' + submenu) + '" style="display: inline-block; width: ' + pcent_width.toString() + '%"><h2 id="' + name2id(menu + '_' + submenu) + '" class="netdata-chart-alignment" role="heading">' + menus[menu].submenus[submenu].title + '</h2>';
1348
1349                         if(menus[menu].submenus[submenu].info !== null)
1350                                 shtml += '<div class="chart-message netdata-chart-alignment" role="document">' + menus[menu].submenus[submenu].info + '</div>';
1351
1352                         var head = '<div style="width: 100%; text-align: center;">';
1353                         var chtml = '';
1354
1355                         // console.log('    \------- ' + submenu + ' (' + menus[menu].submenus[submenu].priority + '): ' + menus[menu].submenus[submenu].title);
1356
1357                         // sort the charts in this submenu of this menu
1358                         menus[menu].submenus[submenu].charts.sort(prioritySort);
1359                         var ci = 0, clen = menus[menu].submenus[submenu].charts.length;
1360                         while(ci < clen) {
1361                                 var chart = menus[menu].submenus[submenu].charts[ci++];
1362
1363                                 // generate the submenu heading charts
1364                                 mhead += generateHeadCharts('mainheads', chart, duration);
1365                                 head += generateHeadCharts('heads', chart, duration);
1366
1367                                 // generate the chart
1368                                 chtml += chartInfo(chart.context) + '<div data-netdata="' + chart.id + '"'
1369                                         + ' data-width="' + pcent_width.toString() + '%"'
1370                                         + ' data-height="' + chartHeight(chart.context, options.chartsHeight).toString() + 'px"'
1371                                         + ' data-before="0"'
1372                                         + ' data-after="-' + duration.toString() + '"'
1373                                         + ' data-id="' + name2id(options.hostname + '/' + chart.id) + '"'
1374                                         + ' data-colors="' + anyAttribute(chartData, 'colors', chart.context, '') + '"'
1375                                         + ' role="application"></div>';
1376
1377                                 // console.log('         \------- ' + chart.id + ' (' + chart.priority + '): ' + chart.context  + ' height: ' + menus[menu].submenus[submenu].height);
1378                         }
1379
1380                         head += '</div>';
1381                         shtml += head + chtml + '</div>';
1382                 }
1383
1384                 mhead += '</div>';
1385                 sidebar += '</ul></li>';
1386                 html += mhead + shtml + '</div></div><hr role="separator"/>';
1387         }
1388
1389         sidebar += '</ul>';
1390         div.innerHTML = html;
1391         document.getElementById('sidebar').innerHTML = sidebar;
1392         finalizePage();
1393 }
1394
1395 function renderChartsAndMenu(data) {
1396         var menus = {};
1397         var charts = data.charts;
1398
1399         for(var c in charts) {
1400                 enrichChartData(charts[c]);
1401
1402                 // create the menu
1403                 if(typeof menus[charts[c].menu] === 'undefined') {
1404                         menus[charts[c].menu] = {
1405                                 priority: charts[c].priority,
1406                                 submenus: {},
1407                                 title: menuTitle(charts[c].menu),
1408                                 info: menuInfo(charts[c].menu),
1409                                 height: menuHeight(charts[c].menu, options.chartsHeight)
1410                         };
1411                 }
1412
1413                 if(charts[c].priority < menus[charts[c].menu].priority)
1414                         menus[charts[c].menu].priority = charts[c].priority;
1415
1416                 // create the submenu
1417                 if(typeof menus[charts[c].menu].submenus[charts[c].submenu] === 'undefined') {
1418                         menus[charts[c].menu].submenus[charts[c].submenu] = {
1419                                 priority: charts[c].priority,
1420                                 charts: new Array(),
1421                                 title: null,
1422                                 info: submenuInfo(charts[c].menu, charts[c].submenu),
1423                                 height: submenuHeight(charts[c].menu, charts[c].submenu, menus[charts[c].menu].height)
1424                         };
1425                 }
1426
1427                 if(charts[c].priority < menus[charts[c].menu].submenus[charts[c].submenu].priority)
1428                         menus[charts[c].menu].submenus[charts[c].submenu].priority = charts[c].priority;
1429
1430                 // index the chart in the menu/submenu
1431                 menus[charts[c].menu].submenus[charts[c].submenu].charts.push(charts[c]);
1432         }
1433
1434         for(var m in menus) {
1435                 for(var s in menus[m].submenus) {
1436                         // set the family using a name
1437                         if(typeof options.submenu_names[s] !== 'undefined') {
1438                                 menus[m].submenus[s].title = s + ' (' + options.submenu_names[s] + ')';
1439                         }
1440                         else {
1441                                 menus[m].submenus[s].title = submenuTitle(m, s);
1442                         }
1443                 }
1444         }
1445
1446         renderPage(menus, data);
1447 }
1448
1449 function downloadAllCharts(netdata_url) {
1450         if(typeof netdata_url === 'undefined' || netdata_url === null)
1451                 netdata_url = NETDATA.serverDefault;
1452
1453         NETDATA.pause(function() {
1454
1455                 // download all the charts the server knows
1456                 NETDATA.chartRegistry.downloadAll(netdata_url, function(data) {
1457
1458                         options.data = data;
1459                         options.hostname = data.hostname;
1460                         document.getElementById('hostname').innerHTML = options.hostname;
1461                         document.getElementById('hostname').href = NETDATA.serverDefault;
1462                         document.title = options.hostname + ' dashboard';
1463
1464                         renderChartsAndMenu(data);
1465
1466                         // prepare our DOM
1467 //                      prepareScreen(data);
1468
1469                         // due to affix issues, prepareScreen() will unpause
1470                         // netdata as needed
1471                 });
1472         });
1473 }
1474
1475 // ----------------------------------------------------------------------------
1476
1477 function finalizePage() {
1478         // resize all charts - without starting the background thread
1479         // this has to be done while NETDATA is paused
1480         // if we ommit this, the affix menu will be wrong, since all
1481         // the Dom elements are initially zero-sized
1482         NETDATA.parseDom();
1483
1484         // let it run (update the charts)
1485         NETDATA.unpause();
1486
1487         // check if we have to jump to a specific section
1488         var hash = location.hash.replace('#','');
1489         if(hash != '') {
1490                 // Clear the hash in the URL
1491                 // location.hash = '';   // delete front "//" if you want to change the address bar
1492                 var offset = $(location.hash).offset();
1493                 if(typeof offset !== 'undefined')
1494                         $('html, body').animate({ scrollTop: offset.top }, 0);
1495         }
1496
1497         /* activate bootstrap sidebar (affix) */
1498         $('#sidebar').affix({
1499                 offset: {
1500                         top: (document.location.hostname === demo_hostname)?150:0,
1501                         bottom: 0
1502                 }
1503         });
1504
1505         /* fix scrolling of very long affix lists
1506            http://stackoverflow.com/questions/21691585/bootstrap-3-1-0-affix-too-long
1507          */
1508         $('#sidebar').on('affixed.bs.affix', function() {
1509                 $(this).removeAttr('style');
1510         });
1511
1512         /* activate bootstrap scrollspy (needed for sidebar) */
1513         $(document.body).scrollspy({
1514                 target: '#sidebar',
1515                 offset: $(window).height() / 3 // controls the diff of the <hX> element to the top, to select it
1516         });
1517
1518         document.getElementById('footer').style.display = 'block';
1519
1520
1521         var update_options_modal = function() {
1522                 // console.log('update_options_modal');
1523
1524                 var sync_option = function(option) {
1525                         var self = $('#' + option);
1526
1527                         if(self.prop('checked') !== NETDATA.getOption(option)) {
1528                                 // console.log('switching ' + option.toString());
1529                                 self.bootstrapToggle(NETDATA.getOption(option)?'on':'off');
1530                         }
1531                 }
1532
1533                 sync_option('eliminate_zero_dimensions');
1534                 sync_option('destroy_on_hide');
1535                 sync_option('parallel_refresher');
1536                 sync_option('concurrent_refreshes');
1537                 sync_option('sync_selection');
1538                 sync_option('sync_pan_and_zoom');
1539                 sync_option('stop_updates_when_focus_is_lost');
1540                 sync_option('smooth_plot');
1541                 sync_option('pan_and_zoom_data_padding');
1542
1543                 if(NETDATA.getOption('parallel_refresher') === false) {
1544                         $('#concurrent_refreshes_row').hide();
1545                 }
1546                 else {
1547                         $('#concurrent_refreshes_row').show();
1548                 }
1549         };
1550         NETDATA.setOption('setOptionCallback', update_options_modal);
1551
1552         // handle options changes
1553         $('#eliminate_zero_dimensions').change(function()       { NETDATA.setOption('eliminate_zero_dimensions', $(this).prop('checked')); });
1554         $('#destroy_on_hide').change(function()                 { NETDATA.setOption('destroy_on_hide', $(this).prop('checked')); });
1555         $('#parallel_refresher').change(function()              { NETDATA.setOption('parallel_refresher', $(this).prop('checked')); });
1556         $('#concurrent_refreshes').change(function()            { NETDATA.setOption('concurrent_refreshes', $(this).prop('checked')); });
1557         $('#sync_selection').change(function()                  { NETDATA.setOption('sync_selection', $(this).prop('checked')); });
1558         $('#sync_pan_and_zoom').change(function()               { NETDATA.setOption('sync_pan_and_zoom', $(this).prop('checked')); });
1559         $('#stop_updates_when_focus_is_lost').change(function() { NETDATA.setOption('stop_updates_when_focus_is_lost', $(this).prop('checked')); });
1560         $('#smooth_plot').change(function()                     { NETDATA.setOption('smooth_plot', $(this).prop('checked')); });
1561         $('#pan_and_zoom_data_padding').change(function()       { NETDATA.setOption('pan_and_zoom_data_padding', $(this).prop('checked')); });
1562
1563         if(document.location.hostname === demo_hostname)
1564                 setTimeout(function() {
1565                         $('#welcomeModal').modal();
1566                 }, 1000);
1567 }
1568
1569 downloadAllCharts();
1570
1571 </script>