web/index.html

   1 <!DOCTYPE html>
   2 <html lang="en">
   3 <head>
   4         <title>netdata dashboard</title>
   5
   6         <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
   7         <meta charset="utf-8">
   8         <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
   9         <meta name="viewport" content="width=device-width, initial-scale=1">
  10         <meta name="apple-mobile-web-app-capable" content="yes">
  11         <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
  12         <meta name="author" content="costa@tsaousis.gr">
  13
  14         <link rel="shortcut icon" href="images/seo-performance-multi-size.ico">
  15
  16         <link rel="apple-touch-icon" href="images/seo-performance-72.png">
  17         <link rel="apple-touch-icon" sizes="72x72" href="images/seo-performance-72.png">
  18         <link rel="apple-touch-icon" sizes="114x114" href="images/seo-performance-114.png">
  19
  20         <link rel="icon" type="image/png" sizes="512x512" href="images/seo-performance-512.png">
  21         <link rel="icon" type="image/png" sizes="256x256" href="images/seo-performance-256.png">
  22         <link rel="icon" type="image/png" sizes="128x128" href="images/seo-performance-128.png">
  23         <link rel="icon" type="image/png" sizes="64x64" href="images/seo-performance-64.png">
  24         <link rel="icon" type="image/png" sizes="48x48" href="images/seo-performance-48.png">
  25         <link rel="icon" type="image/png" sizes="32x32" href="images/seo-performance-32.png">
  26         <link rel="icon" type="image/png" sizes="24x24" href="images/seo-performance-24.png">
  27         <link rel="icon" type="image/png" sizes="16x16" href="images/seo-performance-16.png">
  28
  29         <style>
  30
  31         /* prevent body from hidding under the navbar */
  32         body {
  33                 padding-top: 50px;
  34         }
  35
  36         .modal-wide .modal-dialog {
  37                 width: 80%;
  38         }
  39
  40         /* fix # anchors scrolling under the navbar
  41            https://github.com/twbs/bootstrap/issues/1768#issuecomment-46519033
  42          */
  43         h1 {
  44                 position: relative;
  45                 z-index: -1;
  46         }
  47         h2 {
  48                 position: relative;
  49                 z-index: -2;
  50         }
  51         h1:before, h2:before {
  52                 display: block;
  53                 content: " ";
  54                 margin-top: -70px;
  55                 height: 70px;
  56                 visibility: hidden;
  57         }
  58
  59         .p {
  60                 display: block;
  61                 margin-top: 15px;
  62         }
  63
  64         .option-row,
  65         .option-control {
  66                 vertical-align: top;
  67                 padding: 10px;
  68                 padding-top: 30px;
  69                 padding-left: 30px;
  70         }
  71
  72         .option-info {
  73                 padding: 10px;
  74         }
  75
  76         .chart-message {
  77                 display: block;
  78                 margin-top: 10px;
  79         }
  80
  81         .container {
  82                 width: 90% !important;
  83         }
  84
  85         #masthead h1 {
  86                 /*font-size: 30px;*/
  87                 line-height: 1;
  88                 padding-top: 30px;
  89         }
  90
  91         #masthead .well {
  92                 margin-top:4%;
  93         }
  94
  95         /* fix the navbar shifting when a modal is open */
  96         /* https://github.com/twbs/bootstrap/issues/14040#issuecomment-159891033 */
  97         body.modal-open{
  98                 width: 100% !important;
  99                 padding-right: 0 !important;
 100 /*              overflow-y: scroll !important; */
 101 /*              position: fixed !important;*/
 102                 overflow: visible;
 103         }
 104
 105         /*
 106          * Side navigation
 107          *
 108          * Scrollspy and affixed enhanced navigation to highlight sections and secondary
 109          * sections of docs content.
 110          */
 111
 112         .affix {
 113                 position: static;
 114                 top: 70px !important;
 115                 /*width: 220px;*/
 116         }
 117
 118         .affix-top {
 119                 /*width: 220px;*/
 120         }
 121
 122         .dashboard-sidebar {
 123                 max-height: calc(100% - 70px) !important;
 124                 overflow-y: auto;
 125                 /*width: 220px !important;*/
 126         }
 127
 128         /* By default it's not affixed in mobile views, so undo that */
 129         .dashboard-sidebar.affix {
 130                 position: static;
 131         }
 132
 133         @media (min-width: 768px) {
 134                 .dashboard-sidebar {
 135                         padding-left: 20px;
 136                 }
 137         }
 138
 139         /* First level of nav */
 140         .dashboard-sidenav {
 141                 margin-top: 20px;
 142                 margin-bottom: 20px;
 143         }
 144
 145         /* All levels of nav */
 146         .dashboard-sidebar .nav > li > a {
 147                 display: block;
 148                 padding: 4px 20px;
 149                 font-size: 13px;
 150                 font-weight: 500;
 151                 color: #767676;
 152         }
 153         .dashboard-sidebar .nav > li > a:hover,
 154         .dashboard-sidebar .nav > li > a:focus {
 155                 padding-left: 19px;
 156                 color: #563d7c;
 157                 text-decoration: none;
 158                 background-color: transparent;
 159                 border-left: 1px solid #563d7c;
 160         }
 161         .dashboard-sidebar .nav > .active > a,
 162         .dashboard-sidebar .nav > .active:hover > a,
 163         .dashboard-sidebar .nav > .active:focus > a {
 164                 padding-left: 18px;
 165                 font-weight: bold;
 166                 color: #563d7c;
 167                 background-color: transparent;
 168                 border-left: 2px solid #563d7c;
 169         }
 170
 171         /* Nav: second level (shown on .active) */
 172         .dashboard-sidebar .nav .nav {
 173                 display: none; /* Hide by default, but at >768px, show it */
 174                 padding-bottom: 10px;
 175         }
 176         .dashboard-sidebar .nav .nav > li > a {
 177                 padding-top: 1px;
 178                 padding-bottom: 1px;
 179                 padding-left: 30px;
 180                 font-size: 12px;
 181                 font-weight: normal;
 182         }
 183         .dashboard-sidebar .nav .nav > li > a:hover,
 184         .dashboard-sidebar .nav .nav > li > a:focus {
 185                 padding-left: 29px;
 186         }
 187         .dashboard-sidebar .nav .nav > .active > a,
 188         .dashboard-sidebar .nav .nav > .active:hover > a,
 189         .dashboard-sidebar .nav .nav > .active:focus > a {
 190                 padding-left: 28px;
 191                 font-weight: 500;
 192         }
 193
 194         /* Back to top (hidden on mobile) */
 195         .back-to-top,
 196         .dashboard-theme-toggle {
 197                 display: none;
 198                 padding: 4px 10px;
 199                 margin-top: 10px;
 200                 margin-left: 10px;
 201                 font-size: 12px;
 202                 font-weight: 500;
 203                 color: #999;
 204         }
 205         .back-to-top:hover,
 206         .dashboard-theme-toggle:hover {
 207                 color: #563d7c;
 208                 text-decoration: none;
 209         }
 210         .dashboard-theme-toggle {
 211                 margin-top: 0;
 212         }
 213
 214         @media (min-width: 768px) {
 215                 .back-to-top,
 216                 .dashboard-theme-toggle {
 217                         display: block;
 218                 }
 219
 220                 /* Widen the fixed sidebar */
 221                 .dashboard-sidebar.affix,
 222                 .dashboard-sidebar.affix-top,
 223                 .dashboard-sidebar.affix-bottom {
 224                         width: 200px !important;
 225                 }
 226
 227                 .dashboard-sidebar.affix {
 228                         position: fixed; /* Undo the static from mobile first approach */
 229                         top: 20px;
 230                 }
 231
 232                 .dashboard-sidebar.affix-bottom {
 233                         position: absolute; /* Undo the static from mobile first approach */
 234                 }
 235
 236                 .dashboard-sidebar.affix-bottom .dashboard-sidenav,
 237                 .dashboard-sidebar.affix .dashboard-sidenav {
 238                         margin-top: 0;
 239                         margin-bottom: 0;
 240                 }
 241         }
 242
 243         /* Show and affix the side nav when space allows it */
 244         @media (min-width: 992px) {
 245                 .dashboard-sidebar .nav > .active > ul {
 246                         display: block;
 247                 }
 248
 249                 /* Widen the fixed sidebar */
 250                 .dashboard-sidebar.affix,
 251                 .dashboard-sidebar.affix-top,
 252                 .dashboard-sidebar.affix-bottom {
 253                         width: 200px !important;
 254                 }
 255                 .dashboard-sidebar.affix {
 256                         position: fixed; /* Undo the static from mobile first approach */
 257                         top: 20px;
 258                 }
 259                 .dashboard-sidebar.affix-bottom {
 260                         position: absolute; /* Undo the static from mobile first approach */
 261                 }
 262                 .dashboard-sidebar.affix-bottom .dashboard-sidenav,
 263                 .dashboard-sidebar.affix .dashboard-sidenav {
 264                         margin-top: 0;
 265                         margin-bottom: 0;
 266                 }
 267         }
 268
 269         @media (min-width: 1200px) {
 270                 /* Widen the fixed sidebar again */
 271                 .dashboard-sidebar.affix-bottom,
 272                 .dashboard-sidebar.affix-top,
 273                 .dashboard-sidebar.affix {
 274                         width: 263px;
 275                 }
 276         }
 277         </style>
 278
 279         <!-- you can set your netdata server globally, by ucommenting this -->
 280         <!-- you can also give a different server per chart, with the attribute: data-host="http://netdata.server:19999" -->
 281         <!-- <script> netdataServer = "http://box:19999"; </script> -->
 282
 283         <!-- load the dashboard manager - it will do the rest -->
 284         <script>var netdataTheme = 'slate';</script>
 285         <script type="text/javascript" src="dashboard.js?v25"></script>
 286 </head>
 287
 288 <body data-spy="scroll" data-target="#sidebar">
 289         <nav class="navbar navbar-default navbar-fixed-top" role="banner">
 290                 <div class="container">
 291                         <div class="navbar-header">
 292                                 <button class="navbar-toggle" type="button" data-toggle="collapse" data-target=".navbar-collapse">
 293                                         <span class="sr-only">Toggle navigation</span>
 294                                         <span class="icon-bar"></span>
 295                                         <span class="icon-bar"></span>
 296                                         <span class="icon-bar"></span>
 297                                 </button>
 298                                 <a href="/" class="navbar-brand" id="hostname">netdata</a>
 299                         </div>
 300                         <nav class="collapse navbar-collapse navbar-right" role="navigation">
 301                                 <ul class="nav navbar-nav">
 302                                         <li><a href="#" class="btn" data-toggle="modal" data-target="#optionsModal"><i class="fa fa-cog"></i> settings</a></li>
 303                                         <li><a href="https://github.com/firehol/netdata/wiki" class="btn" target="_blank"><i class="fa fa-github"></i> community</a></li>
 304 <!--                                    <li><a href="old/" class="btn" target="_blank"><i class="fa fa-step-backward"></i> old dashboard</a></li> -->
 305                                         <li><a href="#" class="btn" data-toggle="modal" data-target="#helpModal"><i class="fa fa-question-circle"></i> help</a></li>
 306 <!--                                    <li><a href="#sec">Visualize</a></li>
 307                                         <li><a href="#sec">Prototype</a></li>
 308 -->                             </ul>
 309                         </nav>
 310                 </div>
 311         </nav>
 312
 313         <div id="masthead" style="display: none;">
 314                 <div class="container">
 315                         <div class="row">
 316                                 <div class="col-md-7">
 317                                         <h1>Netdata
 318                                                 <p class="lead">Real-time performance monitoring, in the greatest possible detail</p>
 319                                         </h1>
 320                                 </div>
 321                                 <div class="col-md-5">
 322                                         <div class="well well-lg">
 323                                                 <div class="row">
 324                                                 <div class="col-md-6">
 325                                                         <b>Drag</b> charts to pan.
 326                                                         <b>Shift + wheel</b> on them, to zoom in and out.
 327                                                         <b>Double-click</b> on them, to reset.
 328                                                         <b>Hover</b> on them too!
 329                                                         </div>
 330                                                 <div class="col-md-6">
 331                                                         <div data-netdata="system.intr" data-chart-library="dygraph" data-dygraph-theme="sparkline" data-dygraph-type="line" data-dygraph-strokewidth="3" data-dygraph-smooth="true" data-dygraph-highlightcirclesize="6" data-after="-90" data-height="60px" data-colors="#C66"></div>
 332                                                         </div>
 333                                                 </div>
 334                                         </div>
 335                                 </div>
 336                         </div>
 337                 </div>
 338         </div>
 339
 340         <div class="container">
 341                 <div class="row">
 342                         <div class="col-md-10" role="main">
 343                                 <div id="charts_div"></div>
 344                         </div>
 345                         <div class="col-md-2" role="complementary">
 346                                 <nav class="dashboard-sidebar hidden-print hidden-xs hidden-sm" id="sidebar" role="menu"></nav>
 347                         </div>
 348                 </div>
 349         </div>
 350
 351         <div id="footer" class="container" style="display: none;">
 352                 <div class="row">
 353                         <div class="col-md-10" role="main">
 354                                 <div class="p">
 355                                         <big><a href="https://github.com/firehol/netdata/wiki" target="_blank">netdata</a></big><br/>
 356                                         <i class="fa fa-copyright"></i> Copyright 2016, Costa Tsaousis.<br/>
 357                                         Released under <a href="http://www.gnu.org/licenses/gpl-3.0.en.html" target="_blank">GPL v3 or later</a>.<br/>
 358                                 </div>
 359                                 <div class="p">
 360                                         <small>
 361                                                 <a href="https://github.com/firehol/netdata/wiki" target="_blank">netdata</a> re-distributes these software tools:
 362
 363                                                 <i class="fa fa-circle"></i> The excellent <a href="http://dygraphs.com/" target="_blank">Dygraphs.com</a> web chart library,
 364                                                 <i class="fa fa-copyright"></i> Copyright 2009, Dan Vanderkam, <a href="http://dygraphs.com/legal.html" target="_blank">MIT License</a>
 365
 366                                                 <i class="fa fa-circle"></i> <a href="http://omnipotent.net/jquery.sparkline/" target="_blank">jQuery Sparklines</a> web chart library,
 367                                                 <i class="fa fa-copyright"></i> Copyright 2009-2012, Splunk Inc., <a href="http://opensource.org/licenses/BSD-3-Clause" target="_blank">New BSD License</a>
 368
 369                                                 <i class="fa fa-circle"></i> <a href="http://benpickles.github.io/peity/" target="_blank">Peity</a> web chart library,
 370                                                 <i class="fa fa-copyright"></i> Copyright 2009-2015, Ben Pickles, <a href="https://github.com/benpickles/peity/blob/master/MIT-LICENCE" target="_blank">MIT License</a>
 371
 372                                                 <i class="fa fa-circle"></i> <a href="https://rendro.github.io/easy-pie-chart/" target="_blank">Easy Pie Chart</a> web chart library,
 373                                                 <i class="fa fa-copyright"></i> Copyright 2013, Robert Fleischmann, <a href="https://github.com/rendro/easy-pie-chart/blob/master/LICENSE" target="_blank">MIT License</a>
 374
 375                                                 <i class="fa fa-circle"></i> <a href="http://bernii.github.io/gauge.js/" target="_blank">Gauge.js</a> web chart library,
 376                                                 <i class="fa fa-copyright"></i> Copyright, Bernard Kobos, <a href="http://bernii.github.io/gauge.js/" target="_blank">MIT License</a>
 377
 378                                                 <i class="fa fa-circle"></i> <a href="https://jquery.org/" target="_blank">jQuery</a>,
 379                                                 <i class="fa fa-copyright"></i> Copyright 2015, jQuery Foundation, <a href="https://jquery.org/license/" target="_blank">MIT License</a>
 380
 381                                                 <i class="fa fa-circle"></i> <a href="http://getbootstrap.com/getting-started/" target="_blank">Bootstrap</a>,
 382                                                 <i class="fa fa-copyright"></i> Copyright 2015, Twitter, <a href="http://getbootstrap.com/getting-started/#license-faqs" target="_blank">MIT License</a>
 383
 384                                                 <i class="fa fa-circle"></i> <a href="http://www.bootstraptoggle.com/" target="_blank">Bootstrap Toggle</a>,
 385                                                 <i class="fa fa-copyright"></i> Copyright (c) 2011-2014 Min Hur, The New York Times Company, <a href="https://github.com/minhur/bootstrap-toggle/blob/master/LICENSE" target="_blank">MIT License</a>
 386
 387                                                 <i class="fa fa-circle"></i> <a href="https://jamesflorentino.github.io/nanoScrollerJS/" target="_blank">NanoScroller</a>,
 388                                                 <i class="fa fa-copyright"></i> Copyright 2012, James Florentino, <a href="https://github.com/jamesflorentino/nanoScrollerJS/blob/master/LICENSE" target="_blank">MIT License</a>
 389
 390                                                 <i class="fa fa-circle"></i> <a href="https://github.com/marcj/css-element-queries" target="_blank">CSS Element Queries</a>,
 391                                                 <i class="fa fa-copyright"></i> Copyright Marc J. Schmidt, <a href="https://github.com/marcj/css-element-queries/blob/master/LICENSE" target="_blank">MIT License</a>
 392
 393                                                 <i class="fa fa-circle"></i> <a href="https://fortawesome.github.io/Font-Awesome/" target="_blank">FontAwesome</a>,
 394                                                 <i class="fa fa-copyright"></i> Created by Dave Gandy, Font: <a href="http://scripts.sil.org/OFL" target="_blank">SIL OFL 1.1 License</a>, CSS: <a href="http://opensource.org/licenses/mit-license.html" target="_blank">MIT License</a>
 395
 396                                                 <i class="fa fa-circle"></i> <a href="http://www.iconsdb.com/soylent-red-icons/seo-performance-icon.html" target="_blank">IconsDB.com Icons</a>, Icons provided as CC0 1.0 Universal (CC0 1.0) Public Domain Dedication.
 397
 398                                                 <i class="fa fa-circle"></i> <a href="http://morrisjs.github.io/morris.js/" target="_blank">morris.js</a>,
 399                                                 <i class="fa fa-copyright"></i> Copyright 2013, Olly Smith, <a href="http://morrisjs.github.io/morris.js/" target="_blank">Simplified BSD License</a>
 400
 401                                                 <i class="fa fa-circle"></i> <a href="http://raphaeljs.com/" target="_blank">Raphaël</a>,
 402                                                 <i class="fa fa-copyright"></i> Copyright 2008, Dmitry Baranovskiy, <a href="http://raphaeljs.com/license.html" target="_blank">MIT License</a>
 403
 404                                                 <i class="fa fa-circle"></i> <a href="http://C3js.org/" target="_blank">C3</a>,
 405                                                 <i class="fa fa-copyright"></i> Copyright 2013, Masayuki Tanaka, <a href="https://github.com/masayuki0812/c3/blob/master/LICENSE" target="_blank">MIT License</a>
 406
 407                                                 <i class="fa fa-circle"></i> <a href="http://D3js.org/" target="_blank">D3</a>,
 408                                                 <i class="fa fa-copyright"></i> Copyright 2015, Mike Bostock, <a href="http://opensource.org/licenses/BSD-3-Clause" target="_blank">BSD License</a>
 409
 410                                         </small>
 411                                 </div>
 412                         </div>
 413                 </div>
 414         </div>
 415
 416         <div class="modal fade" id="welcomeModal" tabindex="-1" role="dialog" aria-labelledby="welcomeModalLabel">
 417                 <div class="modal-dialog modal-lg" role="document">
 418                         <div class="modal-content">
 419                                 <div class="modal-header">
 420                                         <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
 421                                         <h4 class="modal-title" id="welcomeModalLabel">Welcome!</h4>
 422                                 </div>
 423                                 <div class="modal-body">
 424                                                 <div class="p">
 425                                                 <b><a href="https://github.com/firehol/netdata/wiki" target="_blank">netdata</a></b> is the fastest way to visualize metrics. It is a resource efficient, highly optimized system for collecting and visualizing any type of realtime timeseries data, from CPU usage, disk activity, SQL queries, API calls, web site visitors, etc.
 426                                                 </div>
 427                                                 <div class="p">
 428                                                 <b><a href="https://github.com/firehol/netdata/wiki" target="_blank">netdata</a></b> tries to visualize the truth of <b>now</b>, in its <b>greatest detail</b>, so that you can get insights of what is happening now and what just happened, on your systems and applications.
 429                                                 </div>
 430                                                 <div class="p">
 431                                                 To make a chart in <b><a href="https://github.com/firehol/netdata/wiki" target="_blank">netdata</a></b>, you just need a <b>number</b>. Just a number you can read somehow. <b><a href="https://github.com/firehol/netdata/wiki" target="_blank">netdata</a></b> will turn this number to a real time, interactive, web chart. For collecting these numbers, it supports <a href="https://github.com/firehol/netdata/wiki/External-Plugins" target="_blank">external plugins</a>, even <a href="https://github.com/firehol/netdata/wiki/General-Info---charts.d" target="_blank">shell</a> or <a href="https://github.com/firehol/netdata/wiki/General-Info---charts.d" target="_blank">node.js</a> plugins. Any computer program, in any language, that can print a few lines of text on its standard output, can be a netdata data collector.
 432                                                 </div>
 433                                                 <div class="p">
 434                                                 <b><a href="https://github.com/firehol/netdata/wiki" target="_blank">netdata</a></b> can embed charts everywhere, like this one <div data-netdata="system.cpu" data-dimensions="system" data-after="-120" data-width="25%" data-height="15px" data-chart-library="dygraph" data-dygraph-theme="sparkline" data-show-value-of-system-at="system.cpu.system.modal.1"></div> (my CPU system usage which is <span id="system.cpu.system.modal.1" style="display: inline-block; width: 40px; text-align: right;"></span>%),
 435                                                 or this one <div data-netdata="ipv4.tcppackets" data-dimensions="received" data-after="-120" data-width="25%" data-height="15px" data-chart-library="dygraph" data-dygraph-theme="sparkline" data-show-value-of-received-at="ipv4.tcppackets.received.modal.1"></div> (my IPv4 received TCP packets, which are <span id="ipv4.tcppackets.received.modal.1" style="display: inline-block; width: 60px; text-align: right;"></span>/second).
 436                                                 </div>
 437                                                 <div class="p">
 438                                                 You can have <b><a href="https://github.com/firehol/netdata/wiki" target="_blank">netdata</a></b> charts on your site too. Just give it a <code>div</code> and a real time chart, zoomable and draggable will appear (try it even on these tiny ones - <b>drag</b> them to pan horizontally, <b>shift + drag</b> to zoom in, on <b>chrome shift + mouse wheel</b> to zoom in/out, <b>double click</b> on them to reset them - don't be afraid of <b><a href="https://github.com/firehol/netdata/wiki" target="_blank">netdata</a></b> performance - <a href="https://github.com/firehol/netdata/wiki/Performance" target="_blank">a raspberry pi 2 can sustain 300 charts updates per second</a>!).
 439                                                 </div>
 440                                                 <div class="p">
 441                                                 For more information please refer to the <b><a href="https://github.com/firehol/netdata/wiki" target="_blank">netdata wiki</a></b>.
 442                                                 </div>
 443                                 </div>
 444                                 <div class="modal-footer">
 445                                         <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
 446                                 </div>
 447                         </div>
 448                 </div>
 449         </div>
 450
 451         <div class="modal fade" id="helpModal" tabindex="-1" role="dialog" aria-labelledby="helpModalLabel">
 452                 <div class="modal-dialog modal-lg" role="document">
 453                         <div class="modal-content">
 454                                 <div class="modal-header">
 455                                         <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
 456                                         <h4 class="modal-title" id="helpModalLabel">Dashboard Help</h4>
 457                                 </div>
 458                                 <div class="modal-body">
 459
 460                                         <h4>Dygraphs (line, area and stacked area charts)</h4>
 461
 462                                         <!-- Nav tabs -->
 463                                         <ul class="nav nav-tabs" role="tablist">
 464                                                 <li role="presentation" class="active"><a href="#help_mouse" aria-controls="help_mouse" role="tab" data-toggle="tab">Mouse Interface</a></li>
 465                                                 <li role="presentation"><a href="#help_touch" aria-controls="help_touch" role="tab" data-toggle="tab">Touch Interface</a></li>
 466                                         </ul>
 467
 468                                         <!-- Tab panes -->
 469                                         <div class="tab-content">
 470                                                 <div role="tabpanel" class="tab-pane active" id="help_mouse">
 471                                                         <div class="p">
 472                                                                 <h4>Mouse Over / Hover</h4>
 473                                                                 Mouse over on a chart to show, at its legend, the values for the timestamp under the mouse (the chart will also highlight the point at the chart).
 474                                                                 <br/>
 475                                                                 All the other visible charts will also show and highlight their values for the same timestamp.
 476                                                         </div>
 477                                                         <hr/>
 478                                                         <div class="p">
 479                                                                 <h4>Drag Chart Contents</h4>
 480                                                                 Drag the contents of a chart to pan it horizontally.
 481                                                                 <br/>
 482                                                                 All the charts will follow soon after you let the chart alone (this little delay is by design: it speeds up your browser and lets you focus on what you are exploring).
 483                                                                 <br/>
 484                                                                 Once a chart is panned, auto refreshing stops for all charts. To enable it again, <b>double click</b> a panned chart.
 485                                                         </div>
 486                                                         <hr/>
 487                                                         <div class="p">
 488                                                                 <h4>Double Click</h4>
 489                                                                 Double Click a chart to reset all the charts to their default auto-refreshing state.
 490                                                         </div>
 491                                                         <hr/>
 492                                                         <div class="p">
 493                                                                 <h4>SHIFT + Drag</h4>
 494                                                                 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:
 495                                                                 <ul>
 496                                                                         <li>The already loaded chart contents are zoomed (low resolution)</li>
 497                                                                         <li>New data are transfered from the netdata server, to refresh the chart with possibly more detail.</li>
 498                                                                 </ul>
 499                                                                 Once a chart is zoomed, auto refreshing stops for all charts. To enable it again, <b>double click</b> a zoomed chart.
 500                                                         </div>
 501                                                         <hr/>
 502                                                         <div class="p">
 503                                                                 <h4>SHIFT + Mouse Wheel <small>(does not work on firefox and IE/Edge)</small></h4>
 504                                                                 While pressing the shift key and the mouse pointer is over the contents of a chart, scroll the mouse wheel to zoom in or out. This kind of zooming is aligned to center below the mouse pointer. The other charts will follow too.
 505                                                                 <br/>
 506                                                                 Once a chart is zoomed, auto refreshing stops for all charts. To enable it again, <b>double click</b> a zoomed chart.
 507                                                         </div>
 508                                                         <hr/>
 509                                                         <div class="p">
 510                                                                 <h4>Legend Operations</h4>
 511                                                                 Click on the label or value of a dimension, will select / unselect this dimension.
 512                                                                 <br/>
 513                                                                 You can press any of the SHIFT or CONTROL keys and then click on legend labels or values, to select / unselect multiple dimensions.
 514                                                         </div>
 515                                                 </div>
 516                                                 <div role="tabpanel" class="tab-pane" id="help_touch">
 517                                                         <div class="p">
 518                                                                 <h4>Single Tap</h4>
 519                                                                 Single Tap on the contents of a chart to show, at its legend, the values for the timestamp tapped (the chart will also highlight the point at the chart).
 520                                                                 <br/>
 521                                                                 All the other visible charts will also show and highlight their values for the same timestamp.
 522                                                         </div>
 523                                                         <hr/>
 524                                                         <div class="p">
 525                                                                 <h4>Drag Chart Contents</h4>
 526                                                                 Touch and Drag the contents of a chart to pan it horizontally.
 527                                                                 <br/>
 528                                                                 All the charts will follow soon after you let the chart alone (this little delay is by design: it speeds up your browser and lets you focus on what you are exploring).
 529                                                                 <br/>
 530                                                                 Once a chart is panned, auto refreshing stops for all charts. To enable it again, <b>double tap</b> a panned chart.
 531                                                         </div>
 532                                                         <hr/>
 533                                                         <div class="p">
 534                                                                 <h4>Double Tap</h4>
 535                                                                 Double tap a chart to reset all the charts to their default auto-refreshing state.
 536                                                         </div>
 537                                                         <hr/>
 538                                                         <div class="p">
 539                                                                 <h4>Zoom <small>(does not work on firefox and IE/Edge)</small></h4>
 540                                                                 With two fingers, zoom in or out.
 541                                                                 <br/>
 542                                                                 Once a chart is zoomed, auto refreshing stops for all charts. To enable it again, <b>double click</b> a zoomed chart.
 543                                                         </div>
 544                                                         <hr/>
 545                                                         <div class="p">
 546                                                                 <h4>Legend Operations</h4>
 547                                                                 Tap on the label or value of a dimension, will select / unselect this dimension.
 548                                                         </div>
 549                                                 </div>
 550                                         </div>
 551                                 </div>
 552                                 <div class="modal-footer">
 553                                         <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
 554                                 </div>
 555                         </div>
 556                 </div>
 557         </div>
 558
 559         <div class="modal fade" id="optionsModal" tabindex="-1" role="dialog" aria-labelledby="optionsModalLabel">
 560                 <div class="modal-dialog modal-lg" role="document">
 561                         <div class="modal-content">
 562                                 <div class="modal-header">
 563                                         <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
 564                                         <h4 class="modal-title" id="optionsModalLabel">netdata dashboard options</h4>
 565                                 </div>
 566                                 <div class="modal-body">
 567                                         <center>
 568                                                 <small style="color: #BBBBBB;">Settings take effect immediately and are saved permanently to browser local storage (except the refresh on focus / always option).
 569                                                 <br/>
 570                                                 To reset all options (including charts sizes) to their defaults, click <a href="#" onclick="NETDATA.resetOptions(); return false;">here</a>.</small>
 571                                         </center>
 572                                         <div style="padding: 10px;"></div>
 573
 574                                         <!-- Nav tabs -->
 575                                         <ul class="nav nav-tabs" role="tablist">
 576                                                 <li role="presentation" class="active"><a href="#settings_performance" aria-controls="settings_performance" role="tab" data-toggle="tab">Performance</a></li>
 577                                                 <li role="presentation"><a href="#settings_sync" aria-controls="settings_sync" role="tab" data-toggle="tab">Synchronization</a></li>
 578                                                 <li role="presentation"><a href="#settings_visual" aria-controls="settings_visual" role="tab" data-toggle="tab">Visual</a></li>
 579                                         </ul>
 580
 581                                         <!-- Tab panes -->
 582                                         <div class="tab-content">
 583                                                 <div role="tabpanel" class="tab-pane active" id="settings_performance">
 584                                                         <form id="optionsForm" method="get" class="form-horizontal">
 585                                                                 <div class="form-group">
 586                                                                         <table>
 587                                                                         <tr class="option-row">
 588                                                                                 <td class="option-control"><input id="stop_updates_when_focus_is_lost" type="checkbox" checked data-toggle="toggle" data-offstyle="danger" data-onstyle="success" data-on="On Focus" data-off="Always" data-width="110px"></td>
 589                                                                                 <td class="option-info"><strong>When to refresh the charts?</strong><br/>
 590                                                                                         <small>When set to <b>On Focus</b>, the charts will stop being updated if the page / tab does not have the focus of the user. When set to <b>Always</b>, the charts will always be refreshed. Set it to <b>On Focus</b> it to lower the CPU requirements of the browser (and extend the battery of laptops and tablets) when this page does not have your focus. Set to <b>Always</b> to work on another window (i.e. change the settings of something) and have the charts auto-refresh in this window.</small>
 591                                                                                 </td>
 592                                                                                 </tr>
 593                                                                         <tr class="option-row">
 594                                                                                 <td class="option-control">
 595                                                                                 <input id="eliminate_zero_dimensions" type="checkbox" checked data-toggle="toggle" data-on="Non Zero" data-off="All" data-width="110px">
 596                                                                                 </td>
 597                                                                                 <td class="option-info"><strong>Which dimensions to show?</strong><br/>
 598                                                                                         <small>When set to <b>Non Zero</b>, dimensions that have all their values (within the current view) set to zero will not be transfered from the netdata server (except if all dimensions of the chart are zero, in which case this setting does nothing - all dimensions are transfered and shown). When set to <b>All</b>, all dimensions will always be shown. Set it to <b>Non Zero</b> to lower the data transfered between netdata and your browser, lower the CPU requirements of your browser (fewer lines to draw) and increase the focus on the legends (fewer entries at the legends).</small>
 599                                                                                 </td>
 600                                                                                 </tr>
 601                                                                         <tr class="option-row">
 602                                                                                 <td class="option-control"><input id="destroy_on_hide" type="checkbox" data-toggle="toggle" data-on="Destroy" data-off="Hide" data-width="110px"></td>
 603                                                                                 <td class="option-info"><strong>How to handle hidden charts?</strong><br/>
 604                                                                                         <small>When set to <b>Destroy</b>, charts that are not in the current viewport of the browser (are above, or below the visible area of the page), will be destroyed and re-created if and when they become visible again. When set to <b>Hide</b>, the not-visible charts will be just hidden, to simplify the DOM and speed up your browser. Set it to <b>Destroy</b>, to lower the memory requirements of your browser. Set it to <b>Hide</b> for smoother page scrolling.</small>
 605                                                                                 </td>
 606                                                                                 </tr>
 607                                                                         </table>
 608                                                                 </div>
 609                                                         </form>
 610                                                 </div>
 611                                                 <div role="tabpanel" class="tab-pane" id="settings_sync">
 612                                                         <form id="optionsForm" method="get" class="form-horizontal">
 613                                                                 <div class="form-group">
 614                                                                         <table>
 615                                                                         <tr class="option-row">
 616                                                                                 <td class="option-control"><input id="parallel_refresher" type="checkbox" checked data-toggle="toggle" data-on="Parallel" data-off="Sequencial" data-width="110px"></td>
 617                                                                                 <td class="option-info"><strong>Which chart refresh policy to use?</strong><br/>
 618                                                                                         <small>When set to <b>parallel</b>, visible charts are refreshed in parallel (all queries are sent to netdata server in parallel) and are rendered asynchronously. When set to <b>sequencial</b> charts are refreshed one after another. Set it to parallel if your browser can cope with it (most modern browsers do), set it to sequencial if you work on an older/slower computer.</small>
 619                                                                                 </td>
 620                                                                                 </tr>
 621                                                                         <tr class="option-row" id="concurrent_refreshes_row">
 622                                                                                 <td class="option-control"></td>
 623                                                                                 <td class="option-info">
 624                                                                                         <table>
 625                                                                                         <tr class="option-row">
 626                                                                                         <td class="option-control">
 627                                                                                         <input id="concurrent_refreshes" type="checkbox" checked data-toggle="toggle" data-on="Resync" data-off="Best Effort" data-width="110px">
 628                                                                                         </td>
 629                                                                                         <td class="option-info">
 630                                                                                         <strong>Shall we re-sync chart refreshes?</strong><br/>
 631                                                                                         <small>When set to <b>Resync</b>, the dashboard will attempt to re-synchronize all the charts so that they are refreshed concurrently. When set to <b>Best Effort</b>, each chart may be refreshed with a little time difference to the others. Normally, the dashboard starts refreshing them in parallel, but depending on the speed of your computer and the network latencies, charts start having a slight time difference. Setting this to <b>Resync</b> will attempt to re-synchronize the charts on every update. Setting it to <b>Best Effort</b> may lower the pressure on your browser and the network.</small>
 632                                                                                         </td>
 633                                                                                         </tr>
 634                                                                                         </table>
 635                                                                                 </td>
 636                                                                                 </tr>
 637                                                                         <tr class="option-row">
 638                                                                                 <td class="option-control"><input id="sync_selection" type="checkbox" checked data-toggle="toggle" data-on="Sync" data-off="Don't Sync" data-onstyle="success" data-offstyle="danger" data-width="110px"></td>
 639                                                                                 <td class="option-info"><strong>Sync hover selection on all charts?</strong><br/>
 640                                                                                         <small>When enabled, a selection on one chart will automatically select the same time on all other visible charts and the legends of all visible charts will be updated to show the selected values. When disabled, only the chart getting the user's attention will be selected. Enable it to get better insights of the data. Disable it if you are on a very slow computer that cannot actually do it.</small>
 641                                                                                 </td>
 642                                                                                 </tr>
 643                                                                         <tr class="option-row">
 644                                                                                 <td class="option-control"><input id="sync_pan_and_zoom" type="checkbox" checked data-toggle="toggle"  data-on="Sync" data-off="Don't Sync" data-onstyle="success" data-offstyle="danger" data-width="110px"></td>
 645                                                                                 <td class="option-info"><strong>Sync pan and zoom on all charts?</strong><br/>
 646                                                                                         <small>When enabled, pan and zoom operations on a chart will be replicated to all charts (even the ones that are not currently visible - of course only when they will become visible). When disabled, pan and zoom operations will not be propagated to other charts.</small>
 647                                                                                 </td>
 648                                                                                 </tr>
 649                                                                         </table>
 650                                                                 </div>
 651                                                         </form>
 652                                                 </div>
 653                                                 <div role="tabpanel" class="tab-pane" id="settings_visual">
 654                                                         <form id="optionsForm" method="get" class="form-horizontal">
 655                                                                 <div class="form-group">
 656                                                                         <table>
 657                                                                         <tr class="option-row">
 658                                                                                 <td class="option-control"><input id="pan_and_zoom_data_padding" type="checkbox" checked data-toggle="toggle"  data-on="Pad" data-off="Don't Pad" data-width="110px"></td>
 659                                                                                 <td class="option-info"><strong>Enable data padding when panning and zooming?</strong><br/>
 660                                                                                         <small>When set to <b>Pad</b> the charts will be padded with more data, both before and after the visible area, thus giving the impression the whole database is loaded. This padding will happen only after the first pan or zoom operation on the chart (initially all charts have only the visible data). When set to <b>Don't Pad</b> only the visible data will be transfered from the netdata server, even after the first pan and zoom operation.</small>
 661                                                                                 </td>
 662                                                                                 </tr>
 663                                                                         <tr class="option-row">
 664                                                                                 <td class="option-control"><input id="smooth_plot" type="checkbox" checked data-toggle="toggle"  data-on="Smooth" data-off="Rough" data-width="110px"></td>
 665                                                                                 <td class="option-info"><strong>Enable Bézier lines on charts?</strong><br/>
 666                                                                                         <small>When set to <b>Smooth</b> the charts libraries that support it, will plot smooth curves instead of simple straight lines to connect the points.</small>
 667                                                                                 </td>
 668                                                                                 </tr>
 669                                                                         </table>
 670                                                                 </div>
 671                                                         </form>
 672                                                 </div>
 673                                         </div>
 674                                 </div>
 675                                 <div class="modal-footer">
 676                                         <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
 677                                 </div>
 678                         </div>
 679                 </div>
 680         </div>
 681
 682 </body>
 683 </html>
 684 <script>
 685
 686 var demo_hostname = 'netdata.firehol.org';
 687 // var demo_hostname = 'box';
 688
 689 if(document.location.hostname === demo_hostname) {
 690         document.getElementById('masthead').style.display = 'block';
 691 }
 692
 693 var options = {
 694         sparklines_registry: {},
 695         submenu_names: {},
 696         data: null,
 697         hostname: 'netdata_server', // will be overwritten by the netdata server
 698         categories: new Array(),
 699         categories_idx: {},
 700         families: new Array(),
 701         families_idx: {},
 702
 703         chartsPerRow: 0,
 704         chartsMinWidth: 1450,
 705         chartsHeight: 180,
 706         sparklinesHeight: 60
 707 };
 708
 709 // generate a sparkline
 710 // used in the documentation
 711 function sparkline(chart, dimension, units) {
 712         var key = chart + '.' + dimension;
 713
 714         if(typeof units === 'undefined')
 715                 units = '';
 716
 717         if(typeof options.sparklines_registry[key] === 'undefined')
 718                 options.sparklines_registry[key] = { count: 1 };
 719         else
 720                 options.sparklines_registry[key].count++;
 721
 722         key = key + '.' + options.sparklines_registry[key].count;
 723
 724         var h = '<div data-netdata="' + chart + '" data-after="-120" data-width="25%" data-height="15px" data-chart-library="dygraph" data-dygraph-theme="sparkline" data-dimensions="' + dimension + '" data-show-value-of-' + dimension + '-at="' + key + '"></div> (<span id="' + key + '" style="display: inline-block; min-width: 50px; text-align: right;">X</span>' + units + ')';
 725
 726         return h;
 727 }
 728
 729 function chartsPerRow(total) {
 730         if(options.chartsPerRow === 0) {
 731                 width = Math.floor(total / options.chartsMinWidth);
 732                 if(width === 0) width = 1;
 733                 return width;
 734         }
 735         else return options.chartsPerRow;
 736 }
 737
 738 function prioritySort(a, b) {
 739         if(a.priority < b.priority) return -1;
 740         if(a.priority > b.priority) return 1;
 741         if(a.name < b.name) return -1;
 742         return 1;
 743 }
 744
 745 function sortObjectByPriority(object) {
 746         var idx = {};
 747         var sorted = new Array();
 748
 749         for(var i in object) {
 750                 if(typeof idx[i] === 'undefined') {
 751                         idx[i] = object[i];
 752                         sorted.push(i);
 753                 }
 754         }
 755
 756         sorted.sort(function(a, b) {
 757                 if(idx[a].priority < idx[b].priority) return -1;
 758                 if(idx[a].priority > idx[b].priority) return 1;
 759                 if(a < b) return -1;
 760                 return 1;
 761         });
 762
 763         return sorted;
 764 }
 765
 766 // ----------------------------------------------------------------------------
 767
 768 function gaugeChart(title, width, dimensions, colors) {
 769         if(typeof colors === 'undefined')
 770                 colors = '';
 771
 772         if(typeof dimensions === 'undefined')
 773                 dimensions = '';
 774
 775         return '<div data-netdata="CHART_UNIQUE_ID"'
 776                                                         + ' data-dimensions="' + dimensions + '"'
 777                                                         + ' data-chart-library="gauge"'
 778                                                         + ' data-gauge-adjust="width"'
 779                                                         + ' data-title="' + title + '"'
 780                                                         + ' data-width="' + width + '"'
 781                                                         + ' data-before="0"'
 782                                                         + ' data-after="-CHART_DURATION"'
 783                                                         + ' data-points="CHART_DURATION"'
 784                                                         + ' data-colors="' + colors + '"'
 785                                                         + ' role="application"></div>';
 786 }
 787
 788 // ----------------------------------------------------------------------------
 789
 790 var menuData = {
 791         'system': {
 792                 title: 'System Overview',
 793                 info: 'Overview of the key system metrics.'
 794         },
 795
 796         'ap': {
 797                 title: 'Access Points',
 798                 info: undefined
 799         },
 800
 801         'tc': {
 802                 title: 'Quality of Service',
 803                 info: 'Netdata collects and visualizes tc class utilization using its <a href="https://github.com/firehol/netdata/blob/master/plugins.d/tc-qos-helper.sh" target="_blank">tc-helper plugin</a>. If you also use <a href="http://firehol.org/#fireqos" target="_blank">FireQOS</a> for setting up QoS, netdata automatically collects interface and class names. If your QoS configuration includes overheads calculation, the values shown here will include these overheads (the total bandwidth for the same interface as reported in the Network Interfaces section, will be lower than the total bandwidth reported here). Also, data collection may have a slight time difference compared to the interface (QoS data collection is implemented with a BASH script, so a shift in data collection of a few milliseconds should be justified).'
 804         },
 805
 806         'net': {
 807                 title: 'Network Interfaces',
 808                 info: 'Per network interface statistics collected from <code>/proc/net/dev</code>.'
 809         },
 810
 811         'ipv4': {
 812                 title: 'IPv4 Networking',
 813                 info: undefined
 814         },
 815
 816         'ipvs': {
 817                 title: 'IP Virtual Server',
 818                 info: undefined
 819         },
 820
 821         'netfilter': {
 822                 title: 'Firewall (netfilter)',
 823                 info: undefined
 824         },
 825
 826         'cpu': {
 827                 title: 'CPUs',
 828                 info: undefined
 829         },
 830
 831         'mem': {
 832                 title: 'Memory',
 833                 info: undefined
 834         },
 835
 836         'disk': {
 837                 title: 'Disks',
 838                 info: undefined
 839         },
 840
 841         'sensors': {
 842                 title: 'Sensors',
 843                 info: undefined
 844         },
 845
 846         'nfsd': {
 847                 title: 'File Server (nfsd)',
 848                 info: undefined
 849         },
 850
 851         'apps': {
 852                 title: 'Applications',
 853                 info: 'Per application statistics are collected using netdata\'s <code>apps.plugin</code>. This plugin walks through the entire <code>/proc</code> filesystem and aggregates statistics for applications of interest, defined in <code>/etc/netdata/apps_groups.conf</code> (the default is <a href="https://github.com/firehol/netdata/blob/master/conf.d/apps_groups.conf" target="_blank">here</a>). The plugin internaly builds a process tree (much like <code>ps fax</code> does), and groups processes together (evaluating both child and parent processes) so that the result is always a chart with a predefined set of dimensions (of course, only application groups found running are reported).<br/><b>IMPORTANT</b>: The values shown here are not 100% accurate. They only include values for the processes running. If an application is spawning childs continiously, which are terminated in just a few milliseconds (like shell scripts do), the values reported will be inaccurate. Linux does report the values for the exited childs of a process. However, these values are reported to the parent process <b>only when the child exits</b>. If these values, of the exited child processes, were also aggregated in the charts below, the charts would have been full of spikes, presenting unrealisting utilization for each process group. So, we decided to ignore these values and present only the utilization of <b>the currently running processes</b>.',
 854                 height: 1.5
 855         },
 856
 857         'netdata': {
 858                 title: 'Netdata Monitoring',
 859                 info: undefined
 860         },
 861
 862         'example': {
 863                 title: 'Example Charts',
 864                 info: undefined
 865         },
 866 };
 867
 868 var submenuData = {
 869         'mem.ksm': {
 870                 title: 'Memory Deduper',
 871                 info: 'Kernel Same-page Merging (KSM) is the kernel memory de-duper.'
 872         }
 873 };
 874
 875 var chartData = {
 876         'system.cpu': {
 877                 info: 'Total CPU utilization (all cores). 100% here means there is no CPU idle time at all. You can get per core usage at the <a href="#cpu">CPUs</a> section and per application usage at the <a href="#apps">Applications Monitoring</a> section.<br/>Keep an eye on <b>iowait</b> ' + sparkline('system.cpu', 'iowait', '%') + '. If it is constantly high, your disks are a bottleneck and they slow your system down.<br/>Another important metric worth monitoring, is <b>softirq</b> ' + sparkline('system.cpu', 'softirq', '%') + '. A constantly high percentage of softirq may indicate network drivers issues.'
 878         },
 879
 880         'system.load': {
 881                 info: 'Current system load read from <code>/proc/loadavg</code>.',
 882                 height: 0.7
 883         },
 884
 885         'system.io': {
 886                 info: 'Total Disk I/O, for all disks, read from <code>/proc/vmstat</code>. You can get detailed information about each disk at the <a href="#disk">Disks</a> section and per application Disk usage at the <a href="#apps">Applications Monitoring</a> section.'
 887         },
 888
 889         'system.swapio': {
 890                 info: 'Total Swap I/O, read from <code>/proc/vmstat</code>. (netdata measures both <code>in</code> and <code>out</code>. If either of them is not shown in the chart, it is because it is zero - you can change the page settings to always render all the available dimensions on all charts).'
 891         },
 892
 893         'system.pgfaults': {
 894                 info: 'Total page faults, read from <code>/proc/vmstat</code>. <b>Major page faults</b> indicates that the system is using its swap. You can find which applications use the swap at the <a href="#apps">Applications Monitoring</a> section.'
 895         },
 896
 897         'system.entropy': {
 898                 colors: '#CC22AA',
 899                 info: '<a href="https://en.wikipedia.org/wiki/Entropy_(computing)" target="_blank">Entropy</a>, read from <code>/proc/sys/kernel/random/entropy_avail</code>, is like a pool of random numbers that are mainly used in cryptography. It is advised that the pool remains always <a href="https://blog.cloudflare.com/ensuring-randomness-with-linuxs-random-number-generator/" target="_blank">above 200</a>. If the pool of entropy gets empty, you risk your security to be predictable and you should install a user-space random numbers generating daemon, like <a href="http://www.issihosts.com/haveged/" target="_blank">haveged</a>, to keep the pool in healthy levels.'
 900         },
 901
 902         'system.forks': {
 903                 colors: '#5555DD',
 904                 info: 'The number of new processes created per second, read from <code>/proc/stat</code>.'
 905         },
 906
 907         'system.intr': {
 908                 colors: '#DD5555',
 909                 info: 'Total number of CPU interrupts, read from <code>/proc/stat</code>. Check <code>system.interrupts</code> that gives more detail about each interrupt and also the <a href="#cpu">CPUs</a> section where interrupts are analyzed per CPU core.'
 910         },
 911
 912         'system.interrupts': {
 913                 info: 'CPU interrupts in detail, read from <code>/proc/interrupts</code>. At the <a href="#cpu">CPUs</a> section, interrupts are analyzed per CPU core.'
 914         },
 915
 916         'system.softirqs': {
 917                 info: 'CPU softirqs in detail, read from <code>/proc/softirqs</code>. At the <a href="#cpu">CPUs</a> section, softirqs are analyzed per CPU core.'
 918         },
 919
 920         'system.processes': {
 921                 info: 'System processes, read from <code>/proc/stat</code>. <b>Blocked</b> are processes that are willing to execute but they cannot, e.g. because they wait for disk activity.'
 922         },
 923
 924         'system.active_processes': {
 925                 info: 'All system active processes, read from <code>/proc/loadavg</code>.'
 926         },
 927
 928         'system.ctxt': {
 929                 info: '<a href="https://en.wikipedia.org/wiki/Context_switch" target="_blank">Context Switches</a>, read from <code>/proc/stat</code>, is the switching of the CPU from one process, task or thread to another. If there are many processes or threads willing to execute and very few CPU cores available to handle them, the system is making more context switching to balance the CPU resources among them. The whole process is computationally intensive. The more the context switches, the slower the system gets.'
 930         },
 931
 932         'system.idlejitter': {
 933                 colors: '#5555AA',
 934                 info: 'Idle jitter is calculated by netdata. A thread is spawned that requests to sleep for a few microseconds. When the system wakes it up, it measures how many microseconds have passed. The different between the requested and the actual duration of the sleep, is the <b>idle jitter</b>. This number is useful in realtime environments, where CPU jitter can affect the quality of the service (like VoIP media gateways).'
 935         },
 936
 937         'system.ipv4': {
 938                 info: 'Total IPv4 Traffic, read from <code>/proc/net/netstat</code>. This includes <code>lo</code> device traffic.'
 939         },
 940
 941         'system.ram': {
 942                 info: 'System memory, read from <code>/proc/meminfo</code>.'
 943         },
 944
 945         'system.swap': {
 946                 info: 'System swap memory, read from <code>/proc/meminfo</code>.'
 947         },
 948
 949         'mem.ksm_savings': {
 950                 heads: [
 951                         gaugeChart('Saved', '12%', 'savings', '#0099CC')
 952                 ]
 953         },
 954
 955         'mem.ksm_ratios': {
 956                 heads: [
 957                         function(id) {
 958                                 return  '<div data-netdata="' + id + '"'
 959                                         + ' data-gauge-max-value="100"'
 960                                         + ' data-chart-library="gauge"'
 961                                         + ' data-title="Savings"'
 962                                         + ' data-units="percentage %"'
 963                                         + ' data-gauge-adjust="width"'
 964                                         + ' data-width="12%"'
 965                                         + ' data-before="0"'
 966                                         + ' data-after="-CHART_DURATION"'
 967                                         + ' data-points="CHART_DURATION"'
 968                                         + ' role="application"></div>';
 969                         }
 970                 ]
 971         },
 972
 973         'mem.committed': {
 974                 colors: NETDATA.colors[3]
 975         },
 976
 977         'apps.cpu': {
 978                 height: 2.0
 979         },
 980
 981         'apps.preads': {
 982                 height: 2.0
 983         },
 984
 985         'apps.pwrites': {
 986                 height: 2.0
 987         },
 988
 989         'tc.qos': {
 990                 heads: [
 991                         function(id) {
 992                                 if(id.match(/.*-ifb$/))
 993                                         return gaugeChart('Inbound', '12%', '', '#5555AA');
 994                                 else
 995                                         return gaugeChart('Outbound', '12%', '', '#AA9900');
 996                         }
 997                 ]
 998         },
 999
1000         'net.net': {
1001                 heads: [
1002                         gaugeChart('Received', '12%', 'received'),
1003                         gaugeChart('Sent', '12%', 'sent')
1004                 ]
1005         },
1006
1007         'disk.util': {
1008                 colors: '#FF5588',
1009                 heads: [
1010                         gaugeChart('Utilization', '12%', '', '#FF5588')
1011                 ]
1012         },
1013
1014         'disk.backlog': {
1015                 colors: '#0099CC'
1016         },
1017
1018         'disk.io': {
1019                 heads: [
1020                         gaugeChart('Read', '12%', 'reads'),
1021                         gaugeChart('Write', '12%', 'writes')
1022                 ]
1023         },
1024
1025         'netfilter.sockets': {
1026                 colors: '#88AA00',
1027                 heads: [
1028                         gaugeChart('Active Connections', '12%', '', '#88AA00')
1029                 ]
1030         },
1031
1032         'netfilter.new': {
1033                 heads: [
1034                         gaugeChart('New Connections', '12%', 'new', '#5555AA')
1035                 ]
1036         },
1037
1038         'disk.iotime': {
1039                 height: 0.5
1040         },
1041         'disk.mops': {
1042                 height: 0.5
1043         },
1044         'disk.svctm': {
1045                 height: 0.5
1046         },
1047         'disk.avgsz': {
1048                 height: 0.5
1049         },
1050         'disk.await': {
1051                 height: 0.5
1052         },
1053
1054         'apache.connections': {
1055                 colors: NETDATA.colors[4],
1056                 mainheads: [
1057                         gaugeChart('Connections', '12%', '', NETDATA.colors[4])
1058                 ]
1059         },
1060
1061         'apache.requests': {
1062                 colors: NETDATA.colors[0],
1063                 mainheads: [
1064                         gaugeChart('Connections', '12%', '', NETDATA.colors[0])
1065                 ]
1066         },
1067
1068         'apache.net': {
1069                 colors: NETDATA.colors[3],
1070                 mainheads: [
1071                         gaugeChart('Bandwidth', '12%', '', NETDATA.colors[3])
1072                 ]
1073         },
1074
1075         'apache.workers': {
1076                 mainheads: [
1077                         function(id) {
1078                                 return  '<div data-netdata="' + id + '"'
1079                                         + ' data-dimensions="busy"'
1080                                         + ' data-append-options="percentage"'
1081                                         + ' data-gauge-max-value="100"'
1082                                         + ' data-chart-library="gauge"'
1083                                         + ' data-title="Workers Utilization"'
1084                                         + ' data-units="percentage %"'
1085                                         + ' data-gauge-adjust="width"'
1086                                         + ' data-width="12%"'
1087                                         + ' data-before="0"'
1088                                         + ' data-after="-CHART_DURATION"'
1089                                         + ' data-points="CHART_DURATION"'
1090                                         + ' role="application"></div>';
1091                         }
1092                 ]
1093         },
1094
1095         'apache.bytesperreq': {
1096                 colors: NETDATA.colors[3],
1097                 height: 0.5
1098         },
1099
1100         'apache.reqpersec': {
1101                 colors: NETDATA.colors[4],
1102                 height: 0.5
1103         },
1104
1105         'apache.bytespersec': {
1106                 colors: NETDATA.colors[6],
1107                 height: 0.5
1108         },
1109
1110         'nginx.connections': {
1111                 colors: NETDATA.colors[4],
1112                 mainheads: [
1113                         gaugeChart('Connections', '12%', '', NETDATA.colors[4])
1114                 ]
1115         },
1116
1117         'nginx.requests': {
1118                 colors: NETDATA.colors[0],
1119                 mainheads: [
1120                         gaugeChart('Requests', '12%', '', NETDATA.colors[0])
1121                 ]
1122         }
1123 };
1124
1125 function anyAttribute(obj, attr, key, def) {
1126         if(typeof obj[key] !== 'undefined') {
1127                 if(typeof obj[key][attr] !== 'undefined')
1128                         return obj[key][attr];
1129         }
1130         return def;
1131 }
1132
1133 function menuTitle(menu) {
1134         return anyAttribute(menuData, 'title', menu, menu);
1135 }
1136
1137 function menuInfo(menu) {
1138         return anyAttribute(menuData, 'title', menu, null);
1139 }
1140
1141 function menuHeight(menu, relative) {
1142         return anyAttribute(menuData, 'height', menu, 1.0) * relative;
1143 }
1144
1145 function submenuTitle(menu, submenu) {
1146         var key = menu + '.' + submenu;
1147         return anyAttribute(submenuData, 'title', key, submenu);
1148 }
1149
1150 function submenuInfo(menu, submenu) {
1151         var key = menu + '.' + submenu;
1152         return anyAttribute(submenuData, 'info', key, null);
1153 }
1154
1155 function submenuHeight(menu, submenu, relative) {
1156         var key = menu + '.' + submenu;
1157         return anyAttribute(submenuData, 'height', key, 1.0) * relative;
1158 }
1159
1160
1161 function chartInfo(id) {
1162         if(typeof chartData[id] !== 'undefined' && typeof chartData[id].info !== 'undefined')
1163                 return '<div class="chart-message netdata-chart-alignment" role="document">' + chartData[id].info + '</div>';
1164         else
1165                 return '';
1166 }
1167
1168 function chartHeight(id, def) {
1169         if(typeof chartData[id] !== 'undefined' && typeof chartData[id].height !== 'undefined')
1170                 return def * chartData[id].height;
1171         else
1172                 return def;
1173 }
1174
1175
1176 // ----------------------------------------------------------------------------
1177
1178 // enrich the data structure returned by netdata
1179 // to reflect our menu system and content
1180 function enrichChartData(chart) {
1181         var tmp = chart.type.split('_')[0];
1182
1183         switch(tmp) {
1184                 case 'ap':
1185                 case 'net':
1186                 case 'disk':
1187                         chart.menu = tmp;
1188                         break;
1189
1190                 case 'tc':
1191                         chart.menu = tmp;
1192
1193                         // find the interface name from the name
1194                         if(typeof options.submenu_names[chart.family] === 'undefined' || options.submenu_names[chart.family] === chart.family)
1195                                 options.submenu_names[chart.family] = chart.name.split('.')[1].split('_')[0];
1196
1197                         // increase the priority of IFB devices
1198                         if(chart.id.match(/.*-ifb$/))
1199                                 chart.priority--;
1200
1201                         break;
1202
1203                 default:
1204                         chart.menu = chart.type;
1205                         break;
1206         }
1207
1208         chart.submenu = chart.family;
1209 }
1210
1211 // ----------------------------------------------------------------------------
1212
1213 function name2id(s) {
1214         return s
1215                 .replace(' ', '_')
1216                 .replace('(', '_')
1217                 .replace(')', '_')
1218                 .replace('.', '_')
1219                 .replace('/', '_');
1220 }
1221
1222 function headMain(charts, duration) {
1223         var head = '';
1224
1225         if(typeof charts['system.swap'] !== 'undefined')
1226                 head += '<div style="margin-right: 10px;" data-netdata="system.swap"'
1227                 + ' data-dimensions="free"'
1228                 + ' data-append-options="percentage"'
1229                 + ' data-chart-library="easypiechart"'
1230                 + ' data-title="Free Swap"'
1231                 + ' data-units="%"'
1232                 + ' data-easypiechart-max-value="100"'
1233                 + ' data-width="8%"'
1234                 + ' data-before="0"'
1235                 + ' data-after="-' + duration.toString() + '"'
1236                 + ' data-points="' + duration.toString() + '"'
1237                 + ' data-colors="#DD4400"'
1238                 + ' role="application"></div>';
1239
1240         if(typeof charts['system.io'] !== 'undefined') {
1241                 head += '<div style="margin-right: 10px;" data-netdata="system.io"'
1242                 + ' data-dimensions="in"'
1243                 + ' data-chart-library="easypiechart"'
1244                 + ' data-title="Disk Read"'
1245                 + ' data-units="KB / s"'
1246                 + ' data-width="10%"'
1247                 + ' data-before="0"'
1248                 + ' data-after="-' + duration.toString() + '"'
1249                 + ' data-points="' + duration.toString() + '"'
1250                 + ' role="application"></div>';
1251
1252                 head += '<div style="margin-right: 10px;" data-netdata="system.io"'
1253                 + ' data-dimensions="out"'
1254                 + ' data-chart-library="easypiechart"'
1255                 + ' data-title="Disk Write"'
1256                 + ' data-units="KB / s"'
1257                 + ' data-width="10%"'
1258                 + ' data-before="0"'
1259                 + ' data-after="-' + duration.toString() + '"'
1260                 + ' data-points="' + duration.toString() + '"'
1261                 + ' role="application"></div>';
1262         }
1263
1264         if(typeof charts['system.cpu'] !== 'undefined')
1265                 head += '<div data-netdata="system.cpu"'
1266                 + ' data-chart-library="gauge"'
1267                 + ' data-title="CPU"'
1268                 + ' data-units="%"'
1269                 + ' data-gauge-max-value="100"'
1270                 + ' data-width="18%"'
1271                 + ' data-after="-' + duration.toString() + '"'
1272                 + ' data-points="' + duration.toString() + '"'
1273                 + ' data-colors="' + NETDATA.colors[12] + '"'
1274                 + ' role="application"></div>';
1275
1276         if(typeof charts['system.ipv4'] !== 'undefined') {
1277                 head += '<div style="margin-right: 10px;" data-netdata="system.ipv4"'
1278                 + ' data-dimensions="received"'
1279                 + ' data-chart-library="easypiechart"'
1280                 + ' data-title="IPv4 Inbound"'
1281                 + ' data-units="kbps"'
1282                 + ' data-width="10%"'
1283                 + ' data-before="0"'
1284                 + ' data-after="-' + duration.toString() + '"'
1285                 + ' data-points="' + duration.toString() + '"'
1286                 + ' role="application"></div>';
1287
1288                 head += '<div style="margin-right: 10px;" data-netdata="system.ipv4"'
1289                 + ' data-dimensions="sent"'
1290                 + ' data-chart-library="easypiechart"'
1291                 + ' data-title="IPv4 Outbound"'
1292                 + ' data-units="kbps"'
1293                 + ' data-width="10%"'
1294                 + ' data-before="0"'
1295                 + ' data-after="-' + duration.toString() + '"'
1296                 + ' data-points="' + duration.toString() + '"'
1297                 + ' role="application"></div>';
1298         }
1299
1300         if(typeof charts['system.ram'] !== 'undefined')
1301                 head += '<div style="margin-right: 10px;" data-netdata="system.ram"'
1302                 + ' data-dimensions="cached|free"'
1303                 + ' data-append-options="percentage"'
1304                 + ' data-chart-library="easypiechart"'
1305                 + ' data-title="Available RAM"'
1306                 + ' data-units="%"'
1307                 + ' data-easypiechart-max-value="100"'
1308                 + ' data-width="8%"'
1309                 + ' data-after="-' + duration.toString() + '"'
1310                 + ' data-points="' + duration.toString() + '"'
1311                 + ' data-colors="' + NETDATA.colors[7] + '"'
1312                 + ' role="application"></div>';
1313
1314         return head;
1315 }
1316
1317 function generateHeadCharts(type, chart, duration) {
1318         var head = '';
1319         var hcharts = anyAttribute(chartData, type, chart.context, []);
1320         if(hcharts.length > 0) {
1321                 var hi = 0, hlen = hcharts.length;
1322                 while(hi < hlen) {
1323                         if(typeof hcharts[hi] === 'function')
1324                                 head += hcharts[hi](chart.id).replace('CHART_DURATION', duration.toString()).replace('CHART_UNIQUE_ID', chart.id);
1325                         else
1326                                 head += hcharts[hi].replace('CHART_DURATION', duration.toString()).replace('CHART_UNIQUE_ID', chart.id);
1327                         hi++;
1328                 }
1329         }
1330         return head;
1331 }
1332
1333 function renderPage(menus, data) {
1334         var div = document.getElementById('charts_div');
1335         var pcent_width = Math.floor(100 / chartsPerRow($(div).width()));
1336
1337         // find the proper duration for per-second updates
1338         var duration = Math.round(($(div).width() * pcent_width / 100 * data.update_every / 3) / 60) * 60;
1339         var html = '';
1340         var sidebar = '<ul class="nav dashboard-sidenav" data-spy="affix" id="sidebar_ul">';
1341         var mainhead = headMain(data.charts, duration);
1342
1343         // sort the menus
1344         var main = sortObjectByPriority(menus);
1345         var i = 0, len = main.length;
1346         while(i < len) {
1347                 var menu = main[i++];
1348
1349                 // generate an entry at the main menu
1350
1351                 sidebar += '<li class=""><a href="#' + menu + '">' + menus[menu].title + '</a><ul class="nav">';
1352                 html += '<div role="section"><div role="sectionhead"><h1 id="' + menu + '" role="heading">' + menus[menu].title + '</h1></div><div id="' + menu + '" role="document">';
1353
1354                 if(menus[menu].info !== null)
1355                         html += menus[menu].info;
1356
1357                 // console.log(' >> ' + menu + ' (' + menus[menu].priority + '): ' + menus[menu].title);
1358
1359                 var shtml = '';
1360                 var mhead = '<div style="width: 100%; text-align: center;">' + mainhead;
1361                 mainhead = '';
1362
1363                 // sort the submenus of this menu
1364                 var sub = sortObjectByPriority(menus[menu].submenus);
1365                 var si = 0, slen = sub.length;
1366                 while(si < slen) {
1367                         var submenu = sub[si++];
1368
1369                         // generate an entry at the submenu
1370                         sidebar += '<li class><a href="#' + name2id(menu + '_' + submenu) + '">' + menus[menu].submenus[submenu].title + '</a></li>';
1371                         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>';
1372
1373                         if(menus[menu].submenus[submenu].info !== null)
1374                                 shtml += '<div class="chart-message netdata-chart-alignment" role="document">' + menus[menu].submenus[submenu].info + '</div>';
1375
1376                         var head = '<div style="width: 100%; text-align: center;">';
1377                         var chtml = '';
1378
1379                         // console.log('    \------- ' + submenu + ' (' + menus[menu].submenus[submenu].priority + '): ' + menus[menu].submenus[submenu].title);
1380
1381                         // sort the charts in this submenu of this menu
1382                         menus[menu].submenus[submenu].charts.sort(prioritySort);
1383                         var ci = 0, clen = menus[menu].submenus[submenu].charts.length;
1384                         while(ci < clen) {
1385                                 var chart = menus[menu].submenus[submenu].charts[ci++];
1386
1387                                 // generate the submenu heading charts
1388                                 mhead += generateHeadCharts('mainheads', chart, duration);
1389                                 head += generateHeadCharts('heads', chart, duration);
1390
1391                                 // generate the chart
1392                                 chtml += chartInfo(chart.context) + '<div data-netdata="' + chart.id + '"'
1393                                         + ' data-width="' + pcent_width.toString() + '%"'
1394                                         + ' data-height="' + chartHeight(chart.context, options.chartsHeight).toString() + 'px"'
1395                                         + ' data-before="0"'
1396                                         + ' data-after="-' + duration.toString() + '"'
1397                                         + ' data-id="' + name2id(options.hostname + '/' + chart.id) + '"'
1398                                         + ' data-colors="' + anyAttribute(chartData, 'colors', chart.context, '') + '"'
1399                                         + ' role="application"></div>';
1400
1401                                 // console.log('         \------- ' + chart.id + ' (' + chart.priority + '): ' + chart.context  + ' height: ' + menus[menu].submenus[submenu].height);
1402                         }
1403
1404                         head += '</div>';
1405                         shtml += head + chtml + '</div>';
1406                 }
1407
1408                 mhead += '</div>';
1409                 sidebar += '</ul></li>';
1410                 html += mhead + shtml + '</div></div><hr role="separator"/>';
1411         }
1412
1413         sidebar += '</ul>';
1414         div.innerHTML = html;
1415         document.getElementById('sidebar').innerHTML = sidebar;
1416         finalizePage();
1417 }
1418
1419 function renderChartsAndMenu(data) {
1420         var menus = {};
1421         var charts = data.charts;
1422
1423         for(var c in charts) {
1424                 enrichChartData(charts[c]);
1425
1426                 // create the menu
1427                 if(typeof menus[charts[c].menu] === 'undefined') {
1428                         menus[charts[c].menu] = {
1429                                 priority: charts[c].priority,
1430                                 submenus: {},
1431                                 title: menuTitle(charts[c].menu),
1432                                 info: menuInfo(charts[c].menu),
1433                                 height: menuHeight(charts[c].menu, options.chartsHeight)
1434                         };
1435                 }
1436
1437                 if(charts[c].priority < menus[charts[c].menu].priority)
1438                         menus[charts[c].menu].priority = charts[c].priority;
1439
1440                 // create the submenu
1441                 if(typeof menus[charts[c].menu].submenus[charts[c].submenu] === 'undefined') {
1442                         menus[charts[c].menu].submenus[charts[c].submenu] = {
1443                                 priority: charts[c].priority,
1444                                 charts: new Array(),
1445                                 title: null,
1446                                 info: submenuInfo(charts[c].menu, charts[c].submenu),
1447                                 height: submenuHeight(charts[c].menu, charts[c].submenu, menus[charts[c].menu].height)
1448                         };
1449                 }
1450
1451                 if(charts[c].priority < menus[charts[c].menu].submenus[charts[c].submenu].priority)
1452                         menus[charts[c].menu].submenus[charts[c].submenu].priority = charts[c].priority;
1453
1454                 // index the chart in the menu/submenu
1455                 menus[charts[c].menu].submenus[charts[c].submenu].charts.push(charts[c]);
1456         }
1457
1458         for(var m in menus) {
1459                 for(var s in menus[m].submenus) {
1460                         // set the family using a name
1461                         if(typeof options.submenu_names[s] !== 'undefined') {
1462                                 menus[m].submenus[s].title = s + ' (' + options.submenu_names[s] + ')';
1463                         }
1464                         else {
1465                                 menus[m].submenus[s].title = submenuTitle(m, s);
1466                         }
1467                 }
1468         }
1469
1470         renderPage(menus, data);
1471 }
1472
1473 function downloadAllCharts(netdata_url) {
1474         if(typeof netdata_url === 'undefined' || netdata_url === null)
1475                 netdata_url = NETDATA.serverDefault;
1476
1477         NETDATA.pause(function() {
1478
1479                 // download all the charts the server knows
1480                 NETDATA.chartRegistry.downloadAll(netdata_url, function(data) {
1481
1482                         options.data = data;
1483                         options.hostname = data.hostname;
1484                         document.getElementById('hostname').innerHTML = options.hostname;
1485                         document.getElementById('hostname').href = NETDATA.serverDefault;
1486                         document.title = options.hostname + ' dashboard';
1487
1488                         renderChartsAndMenu(data);
1489
1490                         // prepare our DOM
1491 //                      prepareScreen(data);
1492
1493                         // due to affix issues, prepareScreen() will unpause
1494                         // netdata as needed
1495                 });
1496         });
1497 }
1498
1499 // ----------------------------------------------------------------------------
1500
1501 function finalizePage() {
1502         // resize all charts - without starting the background thread
1503         // this has to be done while NETDATA is paused
1504         // if we ommit this, the affix menu will be wrong, since all
1505         // the Dom elements are initially zero-sized
1506         NETDATA.parseDom();
1507
1508         // let it run (update the charts)
1509         NETDATA.unpause();
1510
1511         // check if we have to jump to a specific section
1512         var hash = location.hash.replace('#','');
1513         if(hash != '') {
1514                 // Clear the hash in the URL
1515                 // location.hash = '';   // delete front "//" if you want to change the address bar
1516                 var offset = $(location.hash).offset();
1517                 if(typeof offset !== 'undefined')
1518                         $('html, body').animate({ scrollTop: offset.top }, 0);
1519         }
1520
1521         /* activate bootstrap sidebar (affix) */
1522         $('#sidebar').affix({
1523                 offset: {
1524                         top: (document.location.hostname === demo_hostname)?150:0,
1525                         bottom: 0
1526                 }
1527         });
1528
1529         /* fix scrolling of very long affix lists
1530            http://stackoverflow.com/questions/21691585/bootstrap-3-1-0-affix-too-long
1531          */
1532         $('#sidebar').on('affixed.bs.affix', function() {
1533                 $(this).removeAttr('style');
1534         });
1535
1536         /* activate bootstrap scrollspy (needed for sidebar) */
1537         $(document.body).scrollspy({
1538                 target: '#sidebar',
1539                 offset: $(window).height() / 3 // controls the diff of the <hX> element to the top, to select it
1540         });
1541
1542         document.getElementById('footer').style.display = 'block';
1543
1544
1545         var update_options_modal = function() {
1546                 // console.log('update_options_modal');
1547
1548                 var sync_option = function(option) {
1549                         var self = $('#' + option);
1550
1551                         if(self.prop('checked') !== NETDATA.getOption(option)) {
1552                                 // console.log('switching ' + option.toString());
1553                                 self.bootstrapToggle(NETDATA.getOption(option)?'on':'off');
1554                         }
1555                 }
1556
1557                 sync_option('eliminate_zero_dimensions');
1558                 sync_option('destroy_on_hide');
1559                 sync_option('parallel_refresher');
1560                 sync_option('concurrent_refreshes');
1561                 sync_option('sync_selection');
1562                 sync_option('sync_pan_and_zoom');
1563                 sync_option('stop_updates_when_focus_is_lost');
1564                 sync_option('smooth_plot');
1565                 sync_option('pan_and_zoom_data_padding');
1566
1567                 if(NETDATA.getOption('parallel_refresher') === false) {
1568                         $('#concurrent_refreshes_row').hide();
1569                 }
1570                 else {
1571                         $('#concurrent_refreshes_row').show();
1572                 }
1573         };
1574         NETDATA.setOption('setOptionCallback', update_options_modal);
1575
1576         // handle options changes
1577         $('#eliminate_zero_dimensions').change(function()       { NETDATA.setOption('eliminate_zero_dimensions', $(this).prop('checked')); });
1578         $('#destroy_on_hide').change(function()                 { NETDATA.setOption('destroy_on_hide', $(this).prop('checked')); });
1579         $('#parallel_refresher').change(function()              { NETDATA.setOption('parallel_refresher', $(this).prop('checked')); });
1580         $('#concurrent_refreshes').change(function()            { NETDATA.setOption('concurrent_refreshes', $(this).prop('checked')); });
1581         $('#sync_selection').change(function()                  { NETDATA.setOption('sync_selection', $(this).prop('checked')); });
1582         $('#sync_pan_and_zoom').change(function()               { NETDATA.setOption('sync_pan_and_zoom', $(this).prop('checked')); });
1583         $('#stop_updates_when_focus_is_lost').change(function() { NETDATA.setOption('stop_updates_when_focus_is_lost', $(this).prop('checked')); });
1584         $('#smooth_plot').change(function()                     { NETDATA.setOption('smooth_plot', $(this).prop('checked')); });
1585         $('#pan_and_zoom_data_padding').change(function()       { NETDATA.setOption('pan_and_zoom_data_padding', $(this).prop('checked')); });
1586
1587         if(document.location.hostname === demo_hostname)
1588                 setTimeout(function() {
1589                         $('#welcomeModal').modal();
1590                 }, 1000);
1591 }
1592
1593 downloadAllCharts();
1594
1595 </script>