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