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         <!-- check which theme to use -->
 284         <script>
 285                 function getTheme(def) {
 286                         var ret = null;
 287
 288                         try {
 289                                 if(typeof Storage !== "undefined" && typeof localStorage === 'object')
 290                                         ret = localStorage.getItem('netdataTheme');
 291                         }
 292                         catch(error) {
 293                                 ;
 294                         }
 295
 296                         if(ret === null || ret === 'undefined') return def;
 297                         else return ret;
 298                 }
 299                 var netdataTheme = getTheme('slate');
 300
 301                 function setTheme(theme) {
 302                         if(netdataTheme === theme)
 303                                 return false;
 304
 305                         try {
 306                                 if(typeof Storage !== "undefined" && typeof localStorage === 'object') {
 307                                         localStorage.setItem('netdataTheme', theme);
 308                                         return true;
 309                                 }
 310                         }
 311                         catch(error) {
 312                                 ;
 313                         }
 314
 315                         return false;
 316                 }
 317         </script>
 318
 319         <!-- load the dashboard manager - it will do the rest -->
 320         <script type="text/javascript" src="dashboard.js?v25"></script>
 321 </head>
 322
 323 <body data-spy="scroll" data-target="#sidebar">
 324         <nav class="navbar navbar-default navbar-fixed-top" role="banner">
 325                 <div class="container">
 326                         <div class="navbar-header">
 327                                 <button class="navbar-toggle" type="button" data-toggle="collapse" data-target=".navbar-collapse">
 328                                         <span class="sr-only">Toggle navigation</span>
 329                                         <span class="icon-bar"></span>
 330                                         <span class="icon-bar"></span>
 331                                         <span class="icon-bar"></span>
 332                                 </button>
 333                                 <a href="/" class="navbar-brand" id="hostname">netdata</a>
 334                         </div>
 335                         <nav class="collapse navbar-collapse navbar-right" role="navigation">
 336                                 <ul class="nav navbar-nav">
 337                                         <li><a href="#" class="btn" data-toggle="modal" data-target="#optionsModal"><i class="fa fa-cog"></i> settings</a></li>
 338                                         <li><a href="https://github.com/firehol/netdata/wiki" class="btn" target="_blank"><i class="fa fa-github"></i> community</a></li>
 339 <!--                                    <li><a href="old/" class="btn" target="_blank"><i class="fa fa-step-backward"></i> old dashboard</a></li> -->
 340                                         <li><a href="#" class="btn" data-toggle="modal" data-target="#helpModal"><i class="fa fa-question-circle"></i> help</a></li>
 341 <!--                                    <li><a href="#sec">Visualize</a></li>
 342                                         <li><a href="#sec">Prototype</a></li>
 343 -->                             </ul>
 344                         </nav>
 345                 </div>
 346         </nav>
 347
 348         <div id="masthead" style="display: none;">
 349                 <div class="container">
 350                         <div class="row">
 351                                 <div class="col-md-7">
 352                                         <h1>Netdata
 353                                                 <p class="lead">Real-time performance monitoring, in the greatest possible detail</p>
 354                                         </h1>
 355                                 </div>
 356                                 <div class="col-md-5">
 357                                         <div class="well well-lg">
 358                                                 <div class="row">
 359                                                 <div class="col-md-6">
 360                                                         <b>Drag</b> charts to pan.
 361                                                         <b>Shift + wheel</b> on them, to zoom in and out.
 362                                                         <b>Double-click</b> on them, to reset.
 363                                                         <b>Hover</b> on them too!
 364                                                         </div>
 365                                                 <div class="col-md-6">
 366                                                         <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>
 367                                                         </div>
 368                                                 </div>
 369                                         </div>
 370                                 </div>
 371                         </div>
 372                 </div>
 373         </div>
 374
 375         <div class="container">
 376                 <div class="row">
 377                         <div class="col-md-10" role="main">
 378                                 <div id="charts_div"></div>
 379                         </div>
 380                         <div class="col-md-2" role="complementary">
 381                                 <nav class="dashboard-sidebar hidden-print hidden-xs hidden-sm" id="sidebar" role="menu"></nav>
 382                         </div>
 383                 </div>
 384         </div>
 385
 386         <div id="footer" class="container" style="display: none;">
 387                 <div class="row">
 388                         <div class="col-md-10" role="main">
 389                                 <div class="p">
 390                                         <big><a href="https://github.com/firehol/netdata/wiki" target="_blank">netdata</a></big><br/>
 391                                         <i class="fa fa-copyright"></i> Copyright 2016, Costa Tsaousis.<br/>
 392                                         Released under <a href="http://www.gnu.org/licenses/gpl-3.0.en.html" target="_blank">GPL v3 or later</a>.<br/>
 393                                 </div>
 394                                 <div class="p">
 395                                         <small>
 396                                                 <a href="https://github.com/firehol/netdata/wiki" target="_blank">netdata</a> re-distributes these software tools:
 397
 398                                                 <i class="fa fa-circle"></i> The excellent <a href="http://dygraphs.com/" target="_blank">Dygraphs.com</a> web chart library,
 399                                                 <i class="fa fa-copyright"></i> Copyright 2009, Dan Vanderkam, <a href="http://dygraphs.com/legal.html" target="_blank">MIT License</a>
 400
 401                                                 <i class="fa fa-circle"></i> <a href="http://omnipotent.net/jquery.sparkline/" target="_blank">jQuery Sparklines</a> web chart library,
 402                                                 <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>
 403
 404                                                 <i class="fa fa-circle"></i> <a href="http://benpickles.github.io/peity/" target="_blank">Peity</a> web chart library,
 405                                                 <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>
 406
 407                                                 <i class="fa fa-circle"></i> <a href="https://rendro.github.io/easy-pie-chart/" target="_blank">Easy Pie Chart</a> web chart library,
 408                                                 <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>
 409
 410                                                 <i class="fa fa-circle"></i> <a href="http://bernii.github.io/gauge.js/" target="_blank">Gauge.js</a> web chart library,
 411                                                 <i class="fa fa-copyright"></i> Copyright, Bernard Kobos, <a href="http://bernii.github.io/gauge.js/" target="_blank">MIT License</a>
 412
 413                                                 <i class="fa fa-circle"></i> <a href="https://jquery.org/" target="_blank">jQuery</a>,
 414                                                 <i class="fa fa-copyright"></i> Copyright 2015, jQuery Foundation, <a href="https://jquery.org/license/" target="_blank">MIT License</a>
 415
 416                                                 <i class="fa fa-circle"></i> <a href="http://getbootstrap.com/getting-started/" target="_blank">Bootstrap</a>,
 417                                                 <i class="fa fa-copyright"></i> Copyright 2015, Twitter, <a href="http://getbootstrap.com/getting-started/#license-faqs" target="_blank">MIT License</a>
 418
 419                                                 <i class="fa fa-circle"></i> <a href="http://www.bootstraptoggle.com/" target="_blank">Bootstrap Toggle</a>,
 420                                                 <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>
 421
 422                                                 <i class="fa fa-circle"></i> <a href="https://jamesflorentino.github.io/nanoScrollerJS/" target="_blank">NanoScroller</a>,
 423                                                 <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>
 424
 425                                                 <i class="fa fa-circle"></i> <a href="https://github.com/marcj/css-element-queries" target="_blank">CSS Element Queries</a>,
 426                                                 <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>
 427
 428                                                 <i class="fa fa-circle"></i> <a href="https://fortawesome.github.io/Font-Awesome/" target="_blank">FontAwesome</a>,
 429                                                 <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>
 430
 431                                                 <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.
 432
 433                                                 <i class="fa fa-circle"></i> <a href="http://morrisjs.github.io/morris.js/" target="_blank">morris.js</a>,
 434                                                 <i class="fa fa-copyright"></i> Copyright 2013, Olly Smith, <a href="http://morrisjs.github.io/morris.js/" target="_blank">Simplified BSD License</a>
 435
 436                                                 <i class="fa fa-circle"></i> <a href="http://raphaeljs.com/" target="_blank">Raphaël</a>,
 437                                                 <i class="fa fa-copyright"></i> Copyright 2008, Dmitry Baranovskiy, <a href="http://raphaeljs.com/license.html" target="_blank">MIT License</a>
 438
 439                                                 <i class="fa fa-circle"></i> <a href="http://C3js.org/" target="_blank">C3</a>,
 440                                                 <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>
 441
 442                                                 <i class="fa fa-circle"></i> <a href="http://D3js.org/" target="_blank">D3</a>,
 443                                                 <i class="fa fa-copyright"></i> Copyright 2015, Mike Bostock, <a href="http://opensource.org/licenses/BSD-3-Clause" target="_blank">BSD License</a>
 444
 445                                                 <i class="fa fa-circle"></i> <a href="https://github.com/broofa/node-int64" target="_blank">node-int64</a>,
 446                                                 <i class="fa fa-copyright"></i> Copyright 2014, Robert Kieffer, <a href="https://github.com/broofa/node-int64/blob/master/LICENSE" target="_blank">MIT License</a>
 447
 448                                         </small>
 449                                 </div>
 450                         </div>
 451                 </div>
 452         </div>
 453
 454         <div class="modal fade" id="welcomeModal" tabindex="-1" role="dialog" aria-labelledby="welcomeModalLabel">
 455                 <div class="modal-dialog modal-lg" role="document">
 456                         <div class="modal-content">
 457                                 <div class="modal-header">
 458                                         <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
 459                                         <h4 class="modal-title" id="welcomeModalLabel">Welcome!</h4>
 460                                 </div>
 461                                 <div class="modal-body">
 462                                                 <div class="p">
 463                                                 <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.
 464                                                 </div>
 465                                                 <div class="p">
 466                                                 <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.
 467                                                 </div>
 468                                                 <div class="p">
 469                                                 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.
 470                                                 </div>
 471                                                 <div class="p">
 472                                                 <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>%),
 473                                                 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).
 474                                                 </div>
 475                                                 <div class="p">
 476                                                 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>!).
 477                                                 </div>
 478                                                 <div class="p">
 479                                                 For more information please refer to the <b><a href="https://github.com/firehol/netdata/wiki" target="_blank">netdata wiki</a></b>.
 480                                                 </div>
 481                                 </div>
 482                                 <div class="modal-footer">
 483                                         <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
 484                                 </div>
 485                         </div>
 486                 </div>
 487         </div>
 488
 489         <div class="modal fade" id="helpModal" tabindex="-1" role="dialog" aria-labelledby="helpModalLabel">
 490                 <div class="modal-dialog modal-lg" role="document">
 491                         <div class="modal-content">
 492                                 <div class="modal-header">
 493                                         <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
 494                                         <h4 class="modal-title" id="helpModalLabel">Dashboard Help</h4>
 495                                 </div>
 496                                 <div class="modal-body">
 497
 498                                         <h4>Dygraphs (line, area and stacked area charts)</h4>
 499
 500                                         <!-- Nav tabs -->
 501                                         <ul class="nav nav-tabs" role="tablist">
 502                                                 <li role="presentation" class="active"><a href="#help_mouse" aria-controls="help_mouse" role="tab" data-toggle="tab">Mouse Interface</a></li>
 503                                                 <li role="presentation"><a href="#help_touch" aria-controls="help_touch" role="tab" data-toggle="tab">Touch Interface</a></li>
 504                                         </ul>
 505
 506                                         <!-- Tab panes -->
 507                                         <div class="tab-content">
 508                                                 <div role="tabpanel" class="tab-pane active" id="help_mouse">
 509                                                         <div class="p">
 510                                                                 <h4>Mouse Over / Hover</h4>
 511                                                                 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).
 512                                                                 <br/>
 513                                                                 All the other visible charts will also show and highlight their values for the same timestamp.
 514                                                         </div>
 515                                                         <hr/>
 516                                                         <div class="p">
 517                                                                 <h4>Drag Chart Contents</h4>
 518                                                                 Drag the contents of a chart to pan it horizontally.
 519                                                                 <br/>
 520                                                                 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).
 521                                                                 <br/>
 522                                                                 Once a chart is panned, auto refreshing stops for all charts. To enable it again, <b>double click</b> a panned chart.
 523                                                         </div>
 524                                                         <hr/>
 525                                                         <div class="p">
 526                                                                 <h4>Double Click</h4>
 527                                                                 Double Click a chart to reset all the charts to their default auto-refreshing state.
 528                                                         </div>
 529                                                         <hr/>
 530                                                         <div class="p">
 531                                                                 <h4>SHIFT + Drag</h4>
 532                                                                 While pressing the shift key, click on the contents of a chart and move the mouse to select an area, to zoom in. The other charts will follow too. Zooming is performed in two phases:
 533                                                                 <ul>
 534                                                                         <li>The already loaded chart contents are zoomed (low resolution)</li>
 535                                                                         <li>New data are transfered from the netdata server, to refresh the chart with possibly more detail.</li>
 536                                                                 </ul>
 537                                                                 Once a chart is zoomed, auto refreshing stops for all charts. To enable it again, <b>double click</b> a zoomed chart.
 538                                                         </div>
 539                                                         <hr/>
 540                                                         <div class="p">
 541                                                                 <h4>SHIFT + Mouse Wheel <small>(does not work on firefox and IE/Edge)</small></h4>
 542                                                                 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.
 543                                                                 <br/>
 544                                                                 Once a chart is zoomed, auto refreshing stops for all charts. To enable it again, <b>double click</b> a zoomed chart.
 545                                                         </div>
 546                                                         <hr/>
 547                                                         <div class="p">
 548                                                                 <h4>Legend Operations</h4>
 549                                                                 Click on the label or value of a dimension, will select / unselect this dimension.
 550                                                                 <br/>
 551                                                                 You can press any of the SHIFT or CONTROL keys and then click on legend labels or values, to select / unselect multiple dimensions.
 552                                                         </div>
 553                                                 </div>
 554                                                 <div role="tabpanel" class="tab-pane" id="help_touch">
 555                                                         <div class="p">
 556                                                                 <h4>Single Tap</h4>
 557                                                                 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).
 558                                                                 <br/>
 559                                                                 All the other visible charts will also show and highlight their values for the same timestamp.
 560                                                         </div>
 561                                                         <hr/>
 562                                                         <div class="p">
 563                                                                 <h4>Drag Chart Contents</h4>
 564                                                                 Touch and Drag the contents of a chart to pan it horizontally.
 565                                                                 <br/>
 566                                                                 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).
 567                                                                 <br/>
 568                                                                 Once a chart is panned, auto refreshing stops for all charts. To enable it again, <b>double tap</b> a panned chart.
 569                                                         </div>
 570                                                         <hr/>
 571                                                         <div class="p">
 572                                                                 <h4>Double Tap</h4>
 573                                                                 Double tap a chart to reset all the charts to their default auto-refreshing state.
 574                                                         </div>
 575                                                         <hr/>
 576                                                         <div class="p">
 577                                                                 <h4>Zoom <small>(does not work on firefox and IE/Edge)</small></h4>
 578                                                                 With two fingers, zoom in or out.
 579                                                                 <br/>
 580                                                                 Once a chart is zoomed, auto refreshing stops for all charts. To enable it again, <b>double click</b> a zoomed chart.
 581                                                         </div>
 582                                                         <hr/>
 583                                                         <div class="p">
 584                                                                 <h4>Legend Operations</h4>
 585                                                                 Tap on the label or value of a dimension, will select / unselect this dimension.
 586                                                         </div>
 587                                                 </div>
 588                                         </div>
 589                                 </div>
 590                                 <div class="modal-footer">
 591                                         <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
 592                                 </div>
 593                         </div>
 594                 </div>
 595         </div>
 596
 597         <div class="modal fade" id="optionsModal" tabindex="-1" role="dialog" aria-labelledby="optionsModalLabel">
 598                 <div class="modal-dialog modal-lg" role="document">
 599                         <div class="modal-content">
 600                                 <div class="modal-header">
 601                                         <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
 602                                         <h4 class="modal-title" id="optionsModalLabel">netdata dashboard options</h4>
 603                                 </div>
 604                                 <div class="modal-body">
 605                                         <center>
 606                                                 <small style="color: #BBBBBB;">These are browser settings. Each viewer has its own. They do not affect the operation of your netdata server.
 607                                                 <br/>
 608                                                 Settings take effect immediately and are saved permanently to browser local storage (except the refresh on focus / always option).
 609                                                 <br/>
 610                                                 To reset all options (including charts sizes) to their defaults, click <a href="#" onclick="resetDashboardOptions(); return false;">here</a>.</small>
 611                                         </center>
 612                                         <div style="padding: 10px;"></div>
 613
 614                                         <!-- Nav tabs -->
 615                                         <ul class="nav nav-tabs" role="tablist">
 616                                                 <li role="presentation" class="active"><a href="#settings_performance" aria-controls="settings_performance" role="tab" data-toggle="tab">Performance</a></li>
 617                                                 <li role="presentation"><a href="#settings_sync" aria-controls="settings_sync" role="tab" data-toggle="tab">Synchronization</a></li>
 618                                                 <li role="presentation"><a href="#settings_visual" aria-controls="settings_visual" role="tab" data-toggle="tab">Visual</a></li>
 619                                         </ul>
 620
 621                                         <!-- Tab panes -->
 622                                         <div class="tab-content">
 623                                                 <div role="tabpanel" class="tab-pane active" id="settings_performance">
 624                                                         <form id="optionsForm" method="get" class="form-horizontal">
 625                                                                 <div class="form-group">
 626                                                                         <table>
 627                                                                         <tr class="option-row">
 628                                                                                 <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>
 629                                                                                 <td class="option-info"><strong>When to refresh the charts?</strong><br/>
 630                                                                                         <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>
 631                                                                                 </td>
 632                                                                                 </tr>
 633                                                                         <tr class="option-row">
 634                                                                                 <td class="option-control">
 635                                                                                 <input id="eliminate_zero_dimensions" type="checkbox" checked data-toggle="toggle" data-on="Non Zero" data-off="All" data-width="110px">
 636                                                                                 </td>
 637                                                                                 <td class="option-info"><strong>Which dimensions to show?</strong><br/>
 638                                                                                         <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>
 639                                                                                 </td>
 640                                                                                 </tr>
 641                                                                         <tr class="option-row">
 642                                                                                 <td class="option-control"><input id="destroy_on_hide" type="checkbox" data-toggle="toggle" data-on="Destroy" data-off="Hide" data-width="110px"></td>
 643                                                                                 <td class="option-info"><strong>How to handle hidden charts?</strong><br/>
 644                                                                                         <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>
 645                                                                                 </td>
 646                                                                                 </tr>
 647                                                                         </table>
 648                                                                 </div>
 649                                                         </form>
 650                                                 </div>
 651                                                 <div role="tabpanel" class="tab-pane" id="settings_sync">
 652                                                         <form id="optionsForm" method="get" class="form-horizontal">
 653                                                                 <div class="form-group">
 654                                                                         <table>
 655                                                                         <tr class="option-row">
 656                                                                                 <td class="option-control"><input id="parallel_refresher" type="checkbox" checked data-toggle="toggle" data-on="Parallel" data-off="Sequencial" data-width="110px"></td>
 657                                                                                 <td class="option-info"><strong>Which chart refresh policy to use?</strong><br/>
 658                                                                                         <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>
 659                                                                                 </td>
 660                                                                                 </tr>
 661                                                                         <tr class="option-row" id="concurrent_refreshes_row">
 662                                                                                 <td class="option-control"></td>
 663                                                                                 <td class="option-info">
 664                                                                                         <table>
 665                                                                                         <tr class="option-row">
 666                                                                                         <td class="option-control">
 667                                                                                         <input id="concurrent_refreshes" type="checkbox" checked data-toggle="toggle" data-on="Resync" data-off="Best Effort" data-width="110px">
 668                                                                                         </td>
 669                                                                                         <td class="option-info">
 670                                                                                         <strong>Shall we re-sync chart refreshes?</strong><br/>
 671                                                                                         <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>
 672                                                                                         </td>
 673                                                                                         </tr>
 674                                                                                         </table>
 675                                                                                 </td>
 676                                                                                 </tr>
 677                                                                         <tr class="option-row">
 678                                                                                 <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>
 679                                                                                 <td class="option-info"><strong>Sync hover selection on all charts?</strong><br/>
 680                                                                                         <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>
 681                                                                                 </td>
 682                                                                                 </tr>
 683                                                                         <tr class="option-row">
 684                                                                                 <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>
 685                                                                                 <td class="option-info"><strong>Sync pan and zoom on all charts?</strong><br/>
 686                                                                                         <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>
 687                                                                                 </td>
 688                                                                                 </tr>
 689                                                                         </table>
 690                                                                 </div>
 691                                                         </form>
 692                                                 </div>
 693                                                 <div role="tabpanel" class="tab-pane" id="settings_visual">
 694                                                         <form id="optionsForm" method="get" class="form-horizontal">
 695                                                                 <div class="form-group">
 696                                                                         <table>
 697                                                                         <tr class="option-row">
 698                                                                                 <td class="option-control"><input id="netdata_theme_control" type="checkbox" checked data-toggle="toggle" data-offstyle="danger" data-onstyle="success" data-on="Dark" data-off="White" data-width="110px"></td>
 699                                                                                 <td class="option-info"><strong>Which theme to use?</strong><br/>
 700                                                                                         <small>Netdata comes with two themes: <b>Dark</b> (the default) and <b>White</b>.</small>
 701                                                                                 </td>
 702                                                                                 </tr>
 703                                                                         <tr class="option-row">
 704                                                                                 <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>
 705                                                                                 <td class="option-info"><strong>Enable data padding when panning and zooming?</strong><br/>
 706                                                                                         <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>
 707                                                                                 </td>
 708                                                                                 </tr>
 709                                                                         <tr class="option-row">
 710                                                                                 <td class="option-control"><input id="smooth_plot" type="checkbox" checked data-toggle="toggle"  data-on="Smooth" data-off="Rough" data-width="110px"></td>
 711                                                                                 <td class="option-info"><strong>Enable Bézier lines on charts?</strong><br/>
 712                                                                                         <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>
 713                                                                                 </td>
 714                                                                                 </tr>
 715                                                                         </table>
 716                                                                 </div>
 717                                                         </form>
 718                                                 </div>
 719                                         </div>
 720                                 </div>
 721                                 <div class="modal-footer">
 722                                         <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
 723                                 </div>
 724                         </div>
 725                 </div>
 726         </div>
 727
 728 <script>
 729
 730 var demo_hostname = 'netdata.firehol.org';
 731 // var demo_hostname = 'box';
 732
 733 if(document.location.hostname === demo_hostname) {
 734         document.getElementById('masthead').style.display = 'block';
 735 }
 736
 737 var options = {
 738         sparklines_registry: {},
 739         submenu_names: {},
 740         data: null,
 741         hostname: 'netdata_server', // will be overwritten by the netdata server
 742         categories: new Array(),
 743         categories_idx: {},
 744         families: new Array(),
 745         families_idx: {},
 746
 747         chartsPerRow: 0,
 748         chartsMinWidth: 1450,
 749         chartsHeight: 180,
 750         sparklinesHeight: 60
 751 };
 752
 753 // generate a sparkline
 754 // used in the documentation
 755 function sparkline(chart, dimension, units) {
 756         var key = chart + '.' + dimension;
 757
 758         if(typeof units === 'undefined')
 759                 units = '';
 760
 761         if(typeof options.sparklines_registry[key] === 'undefined')
 762                 options.sparklines_registry[key] = { count: 1 };
 763         else
 764                 options.sparklines_registry[key].count++;
 765
 766         key = key + '.' + options.sparklines_registry[key].count;
 767
 768         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 + ')';
 769
 770         return h;
 771 }
 772
 773 function chartsPerRow(total) {
 774         if(options.chartsPerRow === 0) {
 775                 width = Math.floor(total / options.chartsMinWidth);
 776                 if(width === 0) width = 1;
 777                 return width;
 778         }
 779         else return options.chartsPerRow;
 780 }
 781
 782 function prioritySort(a, b) {
 783         if(a.priority < b.priority) return -1;
 784         if(a.priority > b.priority) return 1;
 785         if(a.name < b.name) return -1;
 786         return 1;
 787 }
 788
 789 function sortObjectByPriority(object) {
 790         var idx = {};
 791         var sorted = new Array();
 792
 793         for(var i in object) {
 794                 if(typeof idx[i] === 'undefined') {
 795                         idx[i] = object[i];
 796                         sorted.push(i);
 797                 }
 798         }
 799
 800         sorted.sort(function(a, b) {
 801                 if(idx[a].priority < idx[b].priority) return -1;
 802                 if(idx[a].priority > idx[b].priority) return 1;
 803                 if(a < b) return -1;
 804                 return 1;
 805         });
 806
 807         return sorted;
 808 }
 809
 810 // ----------------------------------------------------------------------------
 811
 812 function gaugeChart(title, width, dimensions, colors) {
 813         if(typeof colors === 'undefined')
 814                 colors = '';
 815
 816         if(typeof dimensions === 'undefined')
 817                 dimensions = '';
 818
 819         return '<div data-netdata="CHART_UNIQUE_ID"'
 820                                                         + ' data-dimensions="' + dimensions + '"'
 821                                                         + ' data-chart-library="gauge"'
 822                                                         + ' data-gauge-adjust="width"'
 823                                                         + ' data-title="' + title + '"'
 824                                                         + ' data-width="' + width + '"'
 825                                                         + ' data-before="0"'
 826                                                         + ' data-after="-CHART_DURATION"'
 827                                                         + ' data-points="CHART_DURATION"'
 828                                                         + ' data-colors="' + colors + '"'
 829                                                         + ' role="application"></div>';
 830 }
 831
 832 // ----------------------------------------------------------------------------
 833
 834 var menuData = {
 835         'system': {
 836                 title: 'System Overview',
 837                 info: 'Overview of the key system metrics.'
 838         },
 839
 840         'ap': {
 841                 title: 'Access Points',
 842                 info: undefined
 843         },
 844
 845         'tc': {
 846                 title: 'Quality of Service',
 847                 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).'
 848         },
 849
 850         'net': {
 851                 title: 'Network Interfaces',
 852                 info: 'Per network interface statistics collected from <code>/proc/net/dev</code>.'
 853         },
 854
 855         'ipv4': {
 856                 title: 'IPv4 Networking',
 857                 info: undefined
 858         },
 859
 860         'ipv6': {
 861                 title: 'IPv6 Networking',
 862                 info: undefined
 863         },
 864
 865         'ipvs': {
 866                 title: 'IP Virtual Server',
 867                 info: undefined
 868         },
 869
 870         'netfilter': {
 871                 title: 'Firewall (netfilter)',
 872                 info: undefined
 873         },
 874
 875         'cpu': {
 876                 title: 'CPUs',
 877                 info: undefined
 878         },
 879
 880         'mem': {
 881                 title: 'Memory',
 882                 info: undefined
 883         },
 884
 885         'disk': {
 886                 title: 'Disks',
 887                 info: undefined
 888         },
 889
 890         'sensors': {
 891                 title: 'Sensors',
 892                 info: undefined
 893         },
 894
 895         'nfsd': {
 896                 title: 'File Server (nfsd)',
 897                 info: undefined
 898         },
 899
 900         'apps': {
 901                 title: 'Applications',
 902                 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>.',
 903                 height: 1.5
 904         },
 905
 906         'netdata': {
 907                 title: 'Netdata Monitoring',
 908                 info: undefined
 909         },
 910
 911         'example': {
 912                 title: 'Example Charts',
 913                 info: undefined
 914         },
 915 };
 916
 917 var submenuData = {
 918         'mem.ksm': {
 919                 title: 'Memory Deduper',
 920                 info: 'Kernel Same-page Merging (KSM) is the kernel memory de-duper.'
 921         }
 922 };
 923
 924 var chartData = {
 925         'system.cpu': {
 926                 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.'
 927         },
 928
 929         'system.load': {
 930                 info: 'Current system load read from <code>/proc/loadavg</code>.',
 931                 height: 0.7
 932         },
 933
 934         'system.io': {
 935                 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.'
 936         },
 937
 938         'system.swapio': {
 939                 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).'
 940         },
 941
 942         'system.pgfaults': {
 943                 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.'
 944         },
 945
 946         'system.entropy': {
 947                 colors: '#CC22AA',
 948                 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.'
 949         },
 950
 951         'system.forks': {
 952                 colors: '#5555DD',
 953                 info: 'The number of new processes created per second, read from <code>/proc/stat</code>.'
 954         },
 955
 956         'system.intr': {
 957                 colors: '#DD5555',
 958                 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.'
 959         },
 960
 961         'system.interrupts': {
 962                 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.'
 963         },
 964
 965         'system.softirqs': {
 966                 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.'
 967         },
 968
 969         'system.processes': {
 970                 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.'
 971         },
 972
 973         'system.active_processes': {
 974                 info: 'All system active processes, read from <code>/proc/loadavg</code>.'
 975         },
 976
 977         'system.ctxt': {
 978                 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.'
 979         },
 980
 981         'system.idlejitter': {
 982                 colors: '#5555AA',
 983                 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).'
 984         },
 985
 986         'system.ipv4': {
 987                 info: 'Total IPv4 Traffic, read from <code>/proc/net/netstat</code>.'
 988         },
 989
 990         'system.ipv6': {
 991                 info: 'Total IPv6 Traffic, read from <code>/proc/net/snmp6</code>.'
 992         },
 993
 994         'system.ram': {
 995                 info: 'System memory, read from <code>/proc/meminfo</code>.'
 996         },
 997
 998         'system.swap': {
 999                 info: 'System swap memory, read from <code>/proc/meminfo</code>.'
1000         },
1001
1002         'mem.ksm_savings': {
1003                 heads: [
1004                         gaugeChart('Saved', '12%', 'savings', '#0099CC')
1005                 ]
1006         },
1007
1008         'mem.ksm_ratios': {
1009                 heads: [
1010                         function(id) {
1011                                 return  '<div data-netdata="' + id + '"'
1012                                         + ' data-gauge-max-value="100"'
1013                                         + ' data-chart-library="gauge"'
1014                                         + ' data-title="Savings"'
1015                                         + ' data-units="percentage %"'
1016                                         + ' data-gauge-adjust="width"'
1017                                         + ' data-width="12%"'
1018                                         + ' data-before="0"'
1019                                         + ' data-after="-CHART_DURATION"'
1020                                         + ' data-points="CHART_DURATION"'
1021                                         + ' role="application"></div>';
1022                         }
1023                 ]
1024         },
1025
1026         'mem.committed': {
1027                 colors: NETDATA.colors[3]
1028         },
1029
1030         'apps.cpu': {
1031                 height: 2.0
1032         },
1033
1034         'apps.preads': {
1035                 height: 2.0
1036         },
1037
1038         'apps.pwrites': {
1039                 height: 2.0
1040         },
1041
1042         'tc.qos': {
1043                 heads: [
1044                         function(id) {
1045                                 if(id.match(/.*-ifb$/))
1046                                         return gaugeChart('Inbound', '12%', '', '#5555AA');
1047                                 else
1048                                         return gaugeChart('Outbound', '12%', '', '#AA9900');
1049                         }
1050                 ]
1051         },
1052
1053         'net.net': {
1054                 heads: [
1055                         gaugeChart('Received', '12%', 'received'),
1056                         gaugeChart('Sent', '12%', 'sent')
1057                 ]
1058         },
1059
1060         'disk.util': {
1061                 colors: '#FF5588',
1062                 heads: [
1063                         gaugeChart('Utilization', '12%', '', '#FF5588')
1064                 ]
1065         },
1066
1067         'disk.backlog': {
1068                 colors: '#0099CC'
1069         },
1070
1071         'disk.io': {
1072                 heads: [
1073                         gaugeChart('Read', '12%', 'reads'),
1074                         gaugeChart('Write', '12%', 'writes')
1075                 ]
1076         },
1077
1078         'netfilter.sockets': {
1079                 colors: '#88AA00',
1080                 heads: [
1081                         gaugeChart('Active Connections', '12%', '', '#88AA00')
1082                 ]
1083         },
1084
1085         'netfilter.new': {
1086                 heads: [
1087                         gaugeChart('New Connections', '12%', 'new', '#5555AA')
1088                 ]
1089         },
1090
1091         'disk.iotime': {
1092                 height: 0.5
1093         },
1094         'disk.mops': {
1095                 height: 0.5
1096         },
1097         'disk.svctm': {
1098                 height: 0.5
1099         },
1100         'disk.avgsz': {
1101                 height: 0.5
1102         },
1103         'disk.await': {
1104                 height: 0.5
1105         },
1106
1107         'apache.connections': {
1108                 colors: NETDATA.colors[4],
1109                 mainheads: [
1110                         gaugeChart('Connections', '12%', '', NETDATA.colors[4])
1111                 ]
1112         },
1113
1114         'apache.requests': {
1115                 colors: NETDATA.colors[0],
1116                 mainheads: [
1117                         gaugeChart('Connections', '12%', '', NETDATA.colors[0])
1118                 ]
1119         },
1120
1121         'apache.net': {
1122                 colors: NETDATA.colors[3],
1123                 mainheads: [
1124                         gaugeChart('Bandwidth', '12%', '', NETDATA.colors[3])
1125                 ]
1126         },
1127
1128         'apache.workers': {
1129                 mainheads: [
1130                         function(id) {
1131                                 return  '<div data-netdata="' + id + '"'
1132                                         + ' data-dimensions="busy"'
1133                                         + ' data-append-options="percentage"'
1134                                         + ' data-gauge-max-value="100"'
1135                                         + ' data-chart-library="gauge"'
1136                                         + ' data-title="Workers Utilization"'
1137                                         + ' data-units="percentage %"'
1138                                         + ' data-gauge-adjust="width"'
1139                                         + ' data-width="12%"'
1140                                         + ' data-before="0"'
1141                                         + ' data-after="-CHART_DURATION"'
1142                                         + ' data-points="CHART_DURATION"'
1143                                         + ' role="application"></div>';
1144                         }
1145                 ]
1146         },
1147
1148         'apache.bytesperreq': {
1149                 colors: NETDATA.colors[3],
1150                 height: 0.5
1151         },
1152
1153         'apache.reqpersec': {
1154                 colors: NETDATA.colors[4],
1155                 height: 0.5
1156         },
1157
1158         'apache.bytespersec': {
1159                 colors: NETDATA.colors[6],
1160                 height: 0.5
1161         },
1162
1163         'nginx.connections': {
1164                 colors: NETDATA.colors[4],
1165                 mainheads: [
1166                         gaugeChart('Connections', '12%', '', NETDATA.colors[4])
1167                 ]
1168         },
1169
1170         'nginx.requests': {
1171                 colors: NETDATA.colors[0],
1172                 mainheads: [
1173                         gaugeChart('Requests', '12%', '', NETDATA.colors[0])
1174                 ]
1175         }
1176 };
1177
1178 function anyAttribute(obj, attr, key, def) {
1179         if(typeof obj[key] !== 'undefined') {
1180                 if(typeof obj[key][attr] !== 'undefined')
1181                         return obj[key][attr];
1182         }
1183         return def;
1184 }
1185
1186 function menuTitle(menu) {
1187         return anyAttribute(menuData, 'title', menu, menu);
1188 }
1189
1190 function menuInfo(menu) {
1191         return anyAttribute(menuData, 'title', menu, null);
1192 }
1193
1194 function menuHeight(menu, relative) {
1195         return anyAttribute(menuData, 'height', menu, 1.0) * relative;
1196 }
1197
1198 function submenuTitle(menu, submenu) {
1199         var key = menu + '.' + submenu;
1200         return anyAttribute(submenuData, 'title', key, submenu);
1201 }
1202
1203 function submenuInfo(menu, submenu) {
1204         var key = menu + '.' + submenu;
1205         return anyAttribute(submenuData, 'info', key, null);
1206 }
1207
1208 function submenuHeight(menu, submenu, relative) {
1209         var key = menu + '.' + submenu;
1210         return anyAttribute(submenuData, 'height', key, 1.0) * relative;
1211 }
1212
1213
1214 function chartInfo(id) {
1215         if(typeof chartData[id] !== 'undefined' && typeof chartData[id].info !== 'undefined')
1216                 return '<div class="chart-message netdata-chart-alignment" role="document">' + chartData[id].info + '</div>';
1217         else
1218                 return '';
1219 }
1220
1221 function chartHeight(id, def) {
1222         if(typeof chartData[id] !== 'undefined' && typeof chartData[id].height !== 'undefined')
1223                 return def * chartData[id].height;
1224         else
1225                 return def;
1226 }
1227
1228
1229 // ----------------------------------------------------------------------------
1230
1231 // enrich the data structure returned by netdata
1232 // to reflect our menu system and content
1233 function enrichChartData(chart) {
1234         var tmp = chart.type.split('_')[0];
1235
1236         switch(tmp) {
1237                 case 'ap':
1238                 case 'net':
1239                 case 'disk':
1240                         chart.menu = tmp;
1241                         break;
1242
1243                 case 'tc':
1244                         chart.menu = tmp;
1245
1246                         // find the interface name from the name
1247                         if(typeof options.submenu_names[chart.family] === 'undefined' || options.submenu_names[chart.family] === chart.family)
1248                                 options.submenu_names[chart.family] = chart.name.split('.')[1].split('_')[0];
1249
1250                         // increase the priority of IFB devices
1251                         if(chart.id.match(/.*-ifb$/))
1252                                 chart.priority--;
1253
1254                         break;
1255
1256                 default:
1257                         chart.menu = chart.type;
1258                         break;
1259         }
1260
1261         chart.submenu = chart.family;
1262 }
1263
1264 // ----------------------------------------------------------------------------
1265
1266 function name2id(s) {
1267         return s
1268                 .replace(' ', '_')
1269                 .replace('(', '_')
1270                 .replace(')', '_')
1271                 .replace('.', '_')
1272                 .replace('/', '_');
1273 }
1274
1275 function headMain(charts, duration) {
1276         var head = '';
1277
1278         if(typeof charts['system.swap'] !== 'undefined')
1279                 head += '<div style="margin-right: 10px;" data-netdata="system.swap"'
1280                 + ' data-dimensions="free"'
1281                 + ' data-append-options="percentage"'
1282                 + ' data-chart-library="easypiechart"'
1283                 + ' data-title="Free Swap"'
1284                 + ' data-units="%"'
1285                 + ' data-easypiechart-max-value="100"'
1286                 + ' data-width="8%"'
1287                 + ' data-before="0"'
1288                 + ' data-after="-' + duration.toString() + '"'
1289                 + ' data-points="' + duration.toString() + '"'
1290                 + ' data-colors="#DD4400"'
1291                 + ' role="application"></div>';
1292
1293         if(typeof charts['system.io'] !== 'undefined') {
1294                 head += '<div style="margin-right: 10px;" data-netdata="system.io"'
1295                 + ' data-dimensions="in"'
1296                 + ' data-chart-library="easypiechart"'
1297                 + ' data-title="Disk Read"'
1298                 + ' data-units="KB / s"'
1299                 + ' data-width="10%"'
1300                 + ' data-before="0"'
1301                 + ' data-after="-' + duration.toString() + '"'
1302                 + ' data-points="' + duration.toString() + '"'
1303                 + ' role="application"></div>';
1304
1305                 head += '<div style="margin-right: 10px;" data-netdata="system.io"'
1306                 + ' data-dimensions="out"'
1307                 + ' data-chart-library="easypiechart"'
1308                 + ' data-title="Disk Write"'
1309                 + ' data-units="KB / s"'
1310                 + ' data-width="10%"'
1311                 + ' data-before="0"'
1312                 + ' data-after="-' + duration.toString() + '"'
1313                 + ' data-points="' + duration.toString() + '"'
1314                 + ' role="application"></div>';
1315         }
1316
1317         if(typeof charts['system.cpu'] !== 'undefined')
1318                 head += '<div data-netdata="system.cpu"'
1319                 + ' data-chart-library="gauge"'
1320                 + ' data-title="CPU"'
1321                 + ' data-units="%"'
1322                 + ' data-gauge-max-value="100"'
1323                 + ' data-width="18%"'
1324                 + ' data-after="-' + duration.toString() + '"'
1325                 + ' data-points="' + duration.toString() + '"'
1326                 + ' data-colors="' + NETDATA.colors[12] + '"'
1327                 + ' role="application"></div>';
1328
1329         if(typeof charts['system.ipv4'] !== 'undefined') {
1330                 head += '<div style="margin-right: 10px;" data-netdata="system.ipv4"'
1331                 + ' data-dimensions="received"'
1332                 + ' data-chart-library="easypiechart"'
1333                 + ' data-title="IPv4 Inbound"'
1334                 + ' data-units="kbps"'
1335                 + ' data-width="10%"'
1336                 + ' data-before="0"'
1337                 + ' data-after="-' + duration.toString() + '"'
1338                 + ' data-points="' + duration.toString() + '"'
1339                 + ' role="application"></div>';
1340
1341                 head += '<div style="margin-right: 10px;" data-netdata="system.ipv4"'
1342                 + ' data-dimensions="sent"'
1343                 + ' data-chart-library="easypiechart"'
1344                 + ' data-title="IPv4 Outbound"'
1345                 + ' data-units="kbps"'
1346                 + ' data-width="10%"'
1347                 + ' data-before="0"'
1348                 + ' data-after="-' + duration.toString() + '"'
1349                 + ' data-points="' + duration.toString() + '"'
1350                 + ' role="application"></div>';
1351         }
1352         else if(typeof charts['system.ipv6'] !== 'undefined') {
1353                 head += '<div style="margin-right: 10px;" data-netdata="system.ipv6"'
1354                 + ' data-dimensions="received"'
1355                 + ' data-chart-library="easypiechart"'
1356                 + ' data-title="IPv6 Inbound"'
1357                 + ' data-units="kbps"'
1358                 + ' data-width="10%"'
1359                 + ' data-before="0"'
1360                 + ' data-after="-' + duration.toString() + '"'
1361                 + ' data-points="' + duration.toString() + '"'
1362                 + ' role="application"></div>';
1363
1364                 head += '<div style="margin-right: 10px;" data-netdata="system.ipv6"'
1365                 + ' data-dimensions="sent"'
1366                 + ' data-chart-library="easypiechart"'
1367                 + ' data-title="IPv6 Outbound"'
1368                 + ' data-units="kbps"'
1369                 + ' data-width="10%"'
1370                 + ' data-before="0"'
1371                 + ' data-after="-' + duration.toString() + '"'
1372                 + ' data-points="' + duration.toString() + '"'
1373                 + ' role="application"></div>';
1374         }
1375
1376         if(typeof charts['system.ram'] !== 'undefined')
1377                 head += '<div style="margin-right: 10px;" data-netdata="system.ram"'
1378                 + ' data-dimensions="cached|free"'
1379                 + ' data-append-options="percentage"'
1380                 + ' data-chart-library="easypiechart"'
1381                 + ' data-title="Available RAM"'
1382                 + ' data-units="%"'
1383                 + ' data-easypiechart-max-value="100"'
1384                 + ' data-width="8%"'
1385                 + ' data-after="-' + duration.toString() + '"'
1386                 + ' data-points="' + duration.toString() + '"'
1387                 + ' data-colors="' + NETDATA.colors[7] + '"'
1388                 + ' role="application"></div>';
1389
1390         return head;
1391 }
1392
1393 function generateHeadCharts(type, chart, duration) {
1394         var head = '';
1395         var hcharts = anyAttribute(chartData, type, chart.context, []);
1396         if(hcharts.length > 0) {
1397                 var hi = 0, hlen = hcharts.length;
1398                 while(hi < hlen) {
1399                         if(typeof hcharts[hi] === 'function')
1400                                 head += hcharts[hi](chart.id).replace('CHART_DURATION', duration.toString()).replace('CHART_UNIQUE_ID', chart.id);
1401                         else
1402                                 head += hcharts[hi].replace('CHART_DURATION', duration.toString()).replace('CHART_UNIQUE_ID', chart.id);
1403                         hi++;
1404                 }
1405         }
1406         return head;
1407 }
1408
1409 function renderPage(menus, data) {
1410         var div = document.getElementById('charts_div');
1411         var pcent_width = Math.floor(100 / chartsPerRow($(div).width()));
1412
1413         // find the proper duration for per-second updates
1414         var duration = Math.round(($(div).width() * pcent_width / 100 * data.update_every / 3) / 60) * 60;
1415         var html = '';
1416         var sidebar = '<ul class="nav dashboard-sidenav" data-spy="affix" id="sidebar_ul">';
1417         var mainhead = headMain(data.charts, duration);
1418
1419         // sort the menus
1420         var main = sortObjectByPriority(menus);
1421         var i = 0, len = main.length;
1422         while(i < len) {
1423                 var menu = main[i++];
1424
1425                 // generate an entry at the main menu
1426
1427                 sidebar += '<li class=""><a href="#' + menu + '">' + menus[menu].title + '</a><ul class="nav">';
1428                 html += '<div role="section"><div role="sectionhead"><h1 id="' + menu + '" role="heading">' + menus[menu].title + '</h1></div><div id="' + menu + '" role="document">';
1429
1430                 if(menus[menu].info !== null)
1431                         html += menus[menu].info;
1432
1433                 // console.log(' >> ' + menu + ' (' + menus[menu].priority + '): ' + menus[menu].title);
1434
1435                 var shtml = '';
1436                 var mhead = '<div style="width: 100%; text-align: center;">' + mainhead;
1437                 mainhead = '';
1438
1439                 // sort the submenus of this menu
1440                 var sub = sortObjectByPriority(menus[menu].submenus);
1441                 var si = 0, slen = sub.length;
1442                 while(si < slen) {
1443                         var submenu = sub[si++];
1444
1445                         // generate an entry at the submenu
1446                         sidebar += '<li class><a href="#' + name2id(menu + '_' + submenu) + '">' + menus[menu].submenus[submenu].title + '</a></li>';
1447                         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>';
1448
1449                         if(menus[menu].submenus[submenu].info !== null)
1450                                 shtml += '<div class="chart-message netdata-chart-alignment" role="document">' + menus[menu].submenus[submenu].info + '</div>';
1451
1452                         var head = '<div style="width: 100%; text-align: center;">';
1453                         var chtml = '';
1454
1455                         // console.log('    \------- ' + submenu + ' (' + menus[menu].submenus[submenu].priority + '): ' + menus[menu].submenus[submenu].title);
1456
1457                         // sort the charts in this submenu of this menu
1458                         menus[menu].submenus[submenu].charts.sort(prioritySort);
1459                         var ci = 0, clen = menus[menu].submenus[submenu].charts.length;
1460                         while(ci < clen) {
1461                                 var chart = menus[menu].submenus[submenu].charts[ci++];
1462
1463                                 // generate the submenu heading charts
1464                                 mhead += generateHeadCharts('mainheads', chart, duration);
1465                                 head += generateHeadCharts('heads', chart, duration);
1466
1467                                 // generate the chart
1468                                 chtml += chartInfo(chart.context) + '<div data-netdata="' + chart.id + '"'
1469                                         + ' data-width="' + pcent_width.toString() + '%"'
1470                                         + ' data-height="' + chartHeight(chart.context, options.chartsHeight).toString() + 'px"'
1471                                         + ' data-before="0"'
1472                                         + ' data-after="-' + duration.toString() + '"'
1473                                         + ' data-id="' + name2id(options.hostname + '/' + chart.id) + '"'
1474                                         + ' data-colors="' + anyAttribute(chartData, 'colors', chart.context, '') + '"'
1475                                         + ' role="application"></div>';
1476
1477                                 // console.log('         \------- ' + chart.id + ' (' + chart.priority + '): ' + chart.context  + ' height: ' + menus[menu].submenus[submenu].height);
1478                         }
1479
1480                         head += '</div>';
1481                         shtml += head + chtml + '</div>';
1482                 }
1483
1484                 mhead += '</div>';
1485                 sidebar += '</ul></li>';
1486                 html += mhead + shtml + '</div></div><hr role="separator"/>';
1487         }
1488
1489         sidebar += '</ul>';
1490         div.innerHTML = html;
1491         document.getElementById('sidebar').innerHTML = sidebar;
1492         finalizePage();
1493 }
1494
1495 function renderChartsAndMenu(data) {
1496         var menus = {};
1497         var charts = data.charts;
1498
1499         for(var c in charts) {
1500                 enrichChartData(charts[c]);
1501
1502                 // create the menu
1503                 if(typeof menus[charts[c].menu] === 'undefined') {
1504                         menus[charts[c].menu] = {
1505                                 priority: charts[c].priority,
1506                                 submenus: {},
1507                                 title: menuTitle(charts[c].menu),
1508                                 info: menuInfo(charts[c].menu),
1509                                 height: menuHeight(charts[c].menu, options.chartsHeight)
1510                         };
1511                 }
1512
1513                 if(charts[c].priority < menus[charts[c].menu].priority)
1514                         menus[charts[c].menu].priority = charts[c].priority;
1515
1516                 // create the submenu
1517                 if(typeof menus[charts[c].menu].submenus[charts[c].submenu] === 'undefined') {
1518                         menus[charts[c].menu].submenus[charts[c].submenu] = {
1519                                 priority: charts[c].priority,
1520                                 charts: new Array(),
1521                                 title: null,
1522                                 info: submenuInfo(charts[c].menu, charts[c].submenu),
1523                                 height: submenuHeight(charts[c].menu, charts[c].submenu, menus[charts[c].menu].height)
1524                         };
1525                 }
1526
1527                 if(charts[c].priority < menus[charts[c].menu].submenus[charts[c].submenu].priority)
1528                         menus[charts[c].menu].submenus[charts[c].submenu].priority = charts[c].priority;
1529
1530                 // index the chart in the menu/submenu
1531                 menus[charts[c].menu].submenus[charts[c].submenu].charts.push(charts[c]);
1532         }
1533
1534         for(var m in menus) {
1535                 for(var s in menus[m].submenus) {
1536                         // set the family using a name
1537                         if(typeof options.submenu_names[s] !== 'undefined') {
1538                                 menus[m].submenus[s].title = s + ' (' + options.submenu_names[s] + ')';
1539                         }
1540                         else {
1541                                 menus[m].submenus[s].title = submenuTitle(m, s);
1542                         }
1543                 }
1544         }
1545
1546         renderPage(menus, data);
1547 }
1548
1549 function downloadAllCharts(netdata_url) {
1550         if(typeof netdata_url === 'undefined' || netdata_url === null)
1551                 netdata_url = NETDATA.serverDefault;
1552
1553         NETDATA.pause(function() {
1554
1555                 // download all the charts the server knows
1556                 NETDATA.chartRegistry.downloadAll(netdata_url, function(data) {
1557
1558                         options.data = data;
1559                         options.hostname = data.hostname;
1560                         document.getElementById('hostname').innerHTML = options.hostname;
1561                         document.getElementById('hostname').href = NETDATA.serverDefault;
1562                         document.title = options.hostname + ' dashboard';
1563
1564                         renderChartsAndMenu(data);
1565
1566                         // prepare our DOM
1567 //                      prepareScreen(data);
1568
1569                         // due to affix issues, prepareScreen() will unpause
1570                         // netdata as needed
1571                 });
1572         });
1573 }
1574
1575 // ----------------------------------------------------------------------------
1576
1577 function finalizePage() {
1578         // resize all charts - without starting the background thread
1579         // this has to be done while NETDATA is paused
1580         // if we ommit this, the affix menu will be wrong, since all
1581         // the Dom elements are initially zero-sized
1582         NETDATA.parseDom();
1583
1584         // let it run (update the charts)
1585         NETDATA.unpause();
1586
1587         // check if we have to jump to a specific section
1588         var hash = location.hash.replace('#','');
1589         if(hash != '') {
1590                 // Clear the hash in the URL
1591                 // location.hash = '';   // delete front "//" if you want to change the address bar
1592                 var offset = $(location.hash).offset();
1593                 if(typeof offset !== 'undefined')
1594                         $('html, body').animate({ scrollTop: offset.top }, 0);
1595         }
1596
1597         /* activate bootstrap sidebar (affix) */
1598         $('#sidebar').affix({
1599                 offset: {
1600                         top: (document.location.hostname === demo_hostname)?150:0,
1601                         bottom: 0
1602                 }
1603         });
1604
1605         /* fix scrolling of very long affix lists
1606            http://stackoverflow.com/questions/21691585/bootstrap-3-1-0-affix-too-long
1607          */
1608         $('#sidebar').on('affixed.bs.affix', function() {
1609                 $(this).removeAttr('style');
1610         });
1611
1612         /* activate bootstrap scrollspy (needed for sidebar) */
1613         $(document.body).scrollspy({
1614                 target: '#sidebar',
1615                 offset: $(window).height() / 3 // controls the diff of the <hX> element to the top, to select it
1616         });
1617
1618         document.getElementById('footer').style.display = 'block';
1619
1620
1621         var update_options_modal = function() {
1622                 // console.log('update_options_modal');
1623
1624                 var sync_option = function(option) {
1625                         var self = $('#' + option);
1626
1627                         if(self.prop('checked') !== NETDATA.getOption(option)) {
1628                                 // console.log('switching ' + option.toString());
1629                                 self.bootstrapToggle(NETDATA.getOption(option)?'on':'off');
1630                         }
1631                 }
1632
1633                 var theme_sync_option = function(option) {
1634                         var self = $('#' + option);
1635
1636                         self.bootstrapToggle(netdataTheme === 'slate'?'on':'off');
1637                 }
1638
1639                 sync_option('eliminate_zero_dimensions');
1640                 sync_option('destroy_on_hide');
1641                 sync_option('parallel_refresher');
1642                 sync_option('concurrent_refreshes');
1643                 sync_option('sync_selection');
1644                 sync_option('sync_pan_and_zoom');
1645                 sync_option('stop_updates_when_focus_is_lost');
1646                 sync_option('smooth_plot');
1647                 sync_option('pan_and_zoom_data_padding');
1648                 theme_sync_option('netdata_theme_control');
1649
1650                 if(NETDATA.getOption('parallel_refresher') === false) {
1651                         $('#concurrent_refreshes_row').hide();
1652                 }
1653                 else {
1654                         $('#concurrent_refreshes_row').show();
1655                 }
1656         };
1657         NETDATA.setOption('setOptionCallback', update_options_modal);
1658
1659         // handle options changes
1660         $('#eliminate_zero_dimensions').change(function()       { NETDATA.setOption('eliminate_zero_dimensions', $(this).prop('checked')); });
1661         $('#destroy_on_hide').change(function()                 { NETDATA.setOption('destroy_on_hide', $(this).prop('checked')); });
1662         $('#parallel_refresher').change(function()              { NETDATA.setOption('parallel_refresher', $(this).prop('checked')); });
1663         $('#concurrent_refreshes').change(function()            { NETDATA.setOption('concurrent_refreshes', $(this).prop('checked')); });
1664         $('#sync_selection').change(function()                  { NETDATA.setOption('sync_selection', $(this).prop('checked')); });
1665         $('#sync_pan_and_zoom').change(function()               { NETDATA.setOption('sync_pan_and_zoom', $(this).prop('checked')); });
1666         $('#stop_updates_when_focus_is_lost').change(function() { NETDATA.setOption('stop_updates_when_focus_is_lost', $(this).prop('checked')); });
1667         $('#smooth_plot').change(function()                     { NETDATA.setOption('smooth_plot', $(this).prop('checked')); });
1668         $('#pan_and_zoom_data_padding').change(function()       { NETDATA.setOption('pan_and_zoom_data_padding', $(this).prop('checked')); });
1669
1670         // this has to be the last
1671         // it reloads the page
1672         $('#netdata_theme_control').change(function()           {
1673                 if(setTheme($(this).prop('checked')?'slate':'default'))
1674                         location.reload();
1675         });
1676
1677         if(document.location.hostname === demo_hostname)
1678                 setTimeout(function() {
1679                         $('#welcomeModal').modal();
1680                 }, 1000);
1681 }
1682
1683 function resetDashboardOptions() {
1684         NETDATA.resetOptions();
1685         if(setTheme('slate'))
1686                 location.reload();
1687 }
1688
1689 downloadAllCharts();
1690
1691 </script>
1692
1693 </body>
1694 </html>