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">
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  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 hiding under the navbar */
  32         body {
  33                 padding-top: 50px;
  34         }
  35
  36         .modal-wide .modal-dialog {
  37                 width: 80%;
  38         }
  39
  40         /* fix # anchors scrolling under the navbar
  41            https://github.com/twbs/bootstrap/issues/1768#issuecomment-46519033
  42          */
  43         h1 {
  44                 position: relative;
  45                 z-index: -1;
  46         }
  47         h2 {
  48                 position: relative;
  49                 z-index: -2;
  50         }
  51         h1:before, h2:before {
  52                 display: block;
  53                 content: " ";
  54                 margin-top: -70px;
  55                 height: 70px;
  56                 visibility: hidden;
  57         }
  58
  59         .p {
  60                 display: block;
  61                 margin-top: 15px;
  62         }
  63
  64         .option-row,
  65         .option-control {
  66                 vertical-align: top;
  67                 padding: 10px;
  68                 padding-top: 30px;
  69                 padding-left: 30px;
  70         }
  71
  72         .option-info {
  73                 padding: 10px;
  74         }
  75
  76         .chart-message {
  77                 display: block;
  78                 margin-top: 10px;
  79         }
  80
  81         .container {
  82                 width: 90% !important;
  83         }
  84
  85         #masthead h1 {
  86                 /*font-size: 30px;*/
  87                 line-height: 1;
  88                 padding-top: 30px;
  89         }
  90
  91         #masthead .well {
  92                 margin-top:4%;
  93         }
  94
  95         /* fix the navbar shifting when a modal is open */
  96         /* https://github.com/twbs/bootstrap/issues/14040#issuecomment-159891033 */
  97         body.modal-open{
  98                 width: 100% !important;
  99                 padding-right: 0 !important;
 100 /*              overflow-y: scroll !important; */
 101 /*              position: fixed !important;*/
 102                 overflow: visible;
 103         }
 104
 105         /*
 106          * Side navigation
 107          *
 108          * Scrollspy and affixed enhanced navigation to highlight sections and secondary
 109          * sections of docs content.
 110          */
 111
 112         .affix {
 113                 position: static;
 114                 top: 70px !important;
 115                 /*width: 220px;*/
 116         }
 117
 118         .affix-top {
 119                 /*width: 220px;*/
 120         }
 121
 122         .dashboard-sidebar {
 123                 max-height: calc(100% - 70px) !important;
 124                 overflow-y: auto;
 125                 /*width: 220px !important;*/
 126         }
 127
 128         /* By default it's not affixed in mobile views, so undo that */
 129         .dashboard-sidebar.affix {
 130                 position: static;
 131         }
 132
 133         @media (min-width: 768px) {
 134                 .dashboard-sidebar {
 135                         padding-left: 20px;
 136                 }
 137         }
 138
 139         /* First level of nav */
 140         .dashboard-sidenav {
 141                 margin-top: 20px;
 142                 margin-bottom: 20px;
 143         }
 144
 145         /* All levels of nav */
 146         .dashboard-sidebar .nav > li > a {
 147                 display: block;
 148                 padding: 4px 20px;
 149                 font-size: 13px;
 150                 font-weight: 500;
 151                 color: #767676;
 152         }
 153         .dashboard-sidebar .nav > li > a:hover,
 154         .dashboard-sidebar .nav > li > a:focus {
 155                 padding-left: 19px;
 156                 color: #563d7c;
 157                 text-decoration: none;
 158                 background-color: transparent;
 159                 border-left: 1px solid #563d7c;
 160         }
 161         .dashboard-sidebar .nav > .active > a,
 162         .dashboard-sidebar .nav > .active:hover > a,
 163         .dashboard-sidebar .nav > .active:focus > a {
 164                 padding-left: 18px;
 165                 font-weight: bold;
 166                 color: #563d7c;
 167                 background-color: transparent;
 168                 border-left: 2px solid #563d7c;
 169         }
 170
 171         /* Nav: second level (shown on .active) */
 172         .dashboard-sidebar .nav .nav {
 173                 display: none; /* Hide by default, but at >768px, show it */
 174                 padding-bottom: 10px;
 175         }
 176         .dashboard-sidebar .nav .nav > li > a {
 177                 padding-top: 1px;
 178                 padding-bottom: 1px;
 179                 padding-left: 30px;
 180                 font-size: 12px;
 181                 font-weight: normal;
 182         }
 183         .dashboard-sidebar .nav .nav > li > a:hover,
 184         .dashboard-sidebar .nav .nav > li > a:focus {
 185                 padding-left: 29px;
 186         }
 187         .dashboard-sidebar .nav .nav > .active > a,
 188         .dashboard-sidebar .nav .nav > .active:hover > a,
 189         .dashboard-sidebar .nav .nav > .active:focus > a {
 190                 padding-left: 28px;
 191                 font-weight: 500;
 192         }
 193
 194         /* Back to top (hidden on mobile) */
 195         .back-to-top,
 196         .dashboard-theme-toggle {
 197                 display: none;
 198                 padding: 4px 10px;
 199                 margin-top: 10px;
 200                 margin-left: 10px;
 201                 font-size: 12px;
 202                 font-weight: 500;
 203                 color: #999;
 204         }
 205         .back-to-top:hover,
 206         .dashboard-theme-toggle:hover {
 207                 color: #563d7c;
 208                 text-decoration: none;
 209         }
 210         .dashboard-theme-toggle {
 211                 margin-top: 0;
 212         }
 213
 214         @media (min-width: 768px) {
 215                 .back-to-top,
 216                 .dashboard-theme-toggle {
 217                         display: block;
 218                 }
 219
 220                 /* Widen the fixed sidebar */
 221                 .dashboard-sidebar.affix,
 222                 .dashboard-sidebar.affix-top,
 223                 .dashboard-sidebar.affix-bottom {
 224                         width: 200px !important;
 225                 }
 226
 227                 .dashboard-sidebar.affix {
 228                         position: fixed; /* Undo the static from mobile first approach */
 229                         top: 20px;
 230                 }
 231
 232                 .dashboard-sidebar.affix-bottom {
 233                         position: absolute; /* Undo the static from mobile first approach */
 234                 }
 235
 236                 .dashboard-sidebar.affix-bottom .dashboard-sidenav,
 237                 .dashboard-sidebar.affix .dashboard-sidenav {
 238                         margin-top: 0;
 239                         margin-bottom: 0;
 240                 }
 241         }
 242
 243         /* Show and affix the side nav when space allows it */
 244         @media (min-width: 992px) {
 245                 .dashboard-sidebar .nav > .active > ul {
 246                         display: block;
 247                 }
 248
 249                 /* Widen the fixed sidebar */
 250                 .dashboard-sidebar.affix,
 251                 .dashboard-sidebar.affix-top,
 252                 .dashboard-sidebar.affix-bottom {
 253                         width: 200px !important;
 254                 }
 255                 .dashboard-sidebar.affix {
 256                         position: fixed; /* Undo the static from mobile first approach */
 257                         top: 20px;
 258                 }
 259                 .dashboard-sidebar.affix-bottom {
 260                         position: absolute; /* Undo the static from mobile first approach */
 261                 }
 262                 .dashboard-sidebar.affix-bottom .dashboard-sidenav,
 263                 .dashboard-sidebar.affix .dashboard-sidenav {
 264                         margin-top: 0;
 265                         margin-bottom: 0;
 266                 }
 267         }
 268
 269         @media (min-width: 1200px) {
 270                 /* Widen the fixed sidebar again */
 271                 .dashboard-sidebar.affix-bottom,
 272                 .dashboard-sidebar.affix-top,
 273                 .dashboard-sidebar.affix {
 274                         width: 263px;
 275                 }
 276         }
 277         </style>
 278
 279         <!-- you can set your netdata server globally, by ucommenting this -->
 280         <!-- you can also give a different server per chart, with the attribute: data-host="http://netdata.server:19999" -->
 281         <!-- <script> netdataServer = "http://box:19999"; </script> -->
 282
 283         <!-- check which theme to use -->
 284         <script>
 285                 function loadLocalStorage(name) {
 286                         var ret = null;
 287
 288                         try {
 289                                 if(typeof Storage !== "undefined" && typeof localStorage === 'object')
 290                                         ret = localStorage.getItem(name);
 291                         }
 292                         catch(error) {
 293                                 ;
 294                         }
 295
 296                         if(typeof ret === 'undefined' || ret === null)
 297                                 return null;
 298
 299                         return ret;
 300                 }
 301
 302                 function saveLocalStorage(name, value) {
 303                         try {
 304                                 if(typeof Storage !== "undefined" && typeof localStorage === 'object') {
 305                                         localStorage.setItem(name, value.toString());
 306                                         return true;
 307                                 }
 308                         }
 309                         catch(error) {
 310                                 ;
 311                         }
 312
 313                         return false;
 314                 }
 315
 316                 function getTheme(def) {
 317                         var ret = loadLocalStorage('netdataTheme');
 318                         if(typeof ret === 'undefined' || ret === null || ret === 'undefined')
 319                                 return def;
 320                         else
 321                                 return ret;
 322                 }
 323                 var netdataTheme = getTheme('slate');
 324
 325                 function setTheme(theme) {
 326                         if(theme === netdataTheme) return false;
 327
 328                         return saveLocalStorage('netdataTheme', theme);
 329                 }
 330         </script>
 331
 332         <!-- load the dashboard manager - it will do the rest -->
 333         <script type="text/javascript" src="dashboard.js?v34"></script>
 334 </head>
 335
 336 <body data-spy="scroll" data-target="#sidebar">
 337         <nav class="navbar navbar-default navbar-fixed-top" role="banner">
 338                 <div class="container">
 339                         <div class="navbar-header">
 340                                 <button class="navbar-toggle" type="button" data-toggle="collapse" data-target=".navbar-collapse">
 341                                         <span class="sr-only">Toggle navigation</span>
 342                                         <span class="icon-bar"></span>
 343                                         <span class="icon-bar"></span>
 344                                         <span class="icon-bar"></span>
 345                                 </button>
 346                                 <a href="/" class="navbar-brand" id="hostname">netdata</a>
 347                         </div>
 348                         <nav id="demosites_nav" class="collapse navbar-collapse navbar-left" role="navigation">
 349                                 <ul class="nav navbar-nav">
 350                                         <li class="dropdown">
 351                                                 <a href="#" class="dropdown-toggle" data-toggle="dropdown" id="current_view">demo sites <strong class="caret"></strong></a>
 352                                                 <ul class="dropdown-menu scrollable-menu inpagemenu" role="menu">
 353                                                         <li id="demo_eu"><a href="//netdata1.firehol.org?nowelcome">EU - London (DigitalOcean.com)</a></li>
 354                                                         <li id="demo_us"><a href="//netdata2.firehol.org?nowelcome">US - Atlanta (CDN77.com)</a></li>
 355                                                         <li id="demo_gr"><a href="//netdata3.firehol.org?nowelcome">EU - Greece</a></li>
 356                                                         <li role="separator" class="divider"></li>
 357                                                         <li id="demo_tv"><a href="tv.html">TV Dashboard for 2 servers</a></li>
 358                                                         <li id="demosites"><a href="demosites.html">Dashboard for monitoring netdata demo sites</a></li>
 359                                                 </ul>
 360                                         </li>
 361                                 </ul>
 362                         </nav>
 363                         <nav class="collapse navbar-collapse navbar-right" role="navigation">
 364                                 <ul class="nav navbar-nav">
 365                                         <li><a href="#" class="btn" data-toggle="modal" data-target="#optionsModal"><i class="fa fa-cog"></i> settings</a></li>
 366                                         <li><a href="https://github.com/firehol/netdata/wiki" class="btn" target="_blank"><i class="fa fa-github"></i> community</a></li>
 367                                         <li id="updateButton"><a href="#" class="btn" data-toggle="modal" data-target="#updateModal"><i class="fa fa-cloud-download"></i> update</a></li>
 368 <!--                                    <li><a href="old/" class="btn" target="_blank"><i class="fa fa-step-backward"></i> old dashboard</a></li> -->
 369                                         <li><a href="#" class="btn" data-toggle="modal" data-target="#helpModal"><i class="fa fa-question-circle"></i> help</a></li>
 370 <!--                                    <li><a href="#sec">Visualize</a></li>
 371                                         <li><a href="#sec">Prototype</a></li>
 372 -->                             </ul>
 373                         </nav>
 374                 </div>
 375         </nav>
 376
 377         <div id="masthead" style="display: none;">
 378                 <div class="container">
 379                         <div class="row">
 380                                 <div class="col-md-7">
 381                                         <h1>Netdata
 382                                                 <p class="lead">Real-time performance monitoring, in the greatest possible detail</p>
 383                                         </h1>
 384                                 </div>
 385                                 <div class="col-md-5">
 386                                         <div class="well well-lg">
 387                                                 <div class="row">
 388                                                 <div class="col-md-6">
 389                                                         <b>Drag</b> charts to pan.
 390                                                         <b>Shift + wheel</b> on them, to zoom in and out.
 391                                                         <b>Double-click</b> on them, to reset.
 392                                                         <b>Hover</b> on them too!
 393                                                         </div>
 394                                                 <div class="col-md-6">
 395                                                         <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>
 396                                                         </div>
 397                                                 </div>
 398                                         </div>
 399                                 </div>
 400                         </div>
 401                 </div>
 402         </div>
 403
 404         <div class="container">
 405                 <div class="row">
 406                         <div class="col-md-10" role="main">
 407                                 <div id="charts_div"></div>
 408                         </div>
 409                         <div class="col-md-2" role="complementary">
 410                                 <nav class="dashboard-sidebar hidden-print hidden-xs hidden-sm" id="sidebar" role="menu"></nav>
 411                         </div>
 412                 </div>
 413         </div>
 414
 415         <div id="footer" class="container" style="display: none;">
 416                 <div class="row">
 417                         <div class="col-md-10" role="main">
 418                                 <div class="p">
 419                                         <big><a href="https://github.com/firehol/netdata/wiki" target="_blank">netdata</a></big><br/>
 420                                         <i class="fa fa-copyright"></i> Copyright 2016, Costa Tsaousis.<br/>
 421                                         Released under <a href="http://www.gnu.org/licenses/gpl-3.0.en.html" target="_blank">GPL v3 or later</a>.<br/>
 422                                 </div>
 423                                 <div class="p">
 424                                         <small>
 425                                                 <a href="https://github.com/firehol/netdata/wiki" target="_blank">netdata</a> re-distributes these software tools:
 426
 427                                                 <i class="fa fa-circle"></i> The excellent <a href="http://dygraphs.com/" target="_blank">Dygraphs.com</a> web chart library,
 428                                                 <i class="fa fa-copyright"></i> Copyright 2009, Dan Vanderkam, <a href="http://dygraphs.com/legal.html" target="_blank">MIT License</a>
 429
 430                                                 <i class="fa fa-circle"></i> <a href="http://omnipotent.net/jquery.sparkline/" target="_blank">jQuery Sparklines</a> web chart library,
 431                                                 <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>
 432
 433                                                 <i class="fa fa-circle"></i> <a href="http://benpickles.github.io/peity/" target="_blank">Peity</a> web chart library,
 434                                                 <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>
 435
 436                                                 <i class="fa fa-circle"></i> <a href="https://rendro.github.io/easy-pie-chart/" target="_blank">Easy Pie Chart</a> web chart library,
 437                                                 <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>
 438
 439                                                 <i class="fa fa-circle"></i> <a href="http://bernii.github.io/gauge.js/" target="_blank">Gauge.js</a> web chart library,
 440                                                 <i class="fa fa-copyright"></i> Copyright, Bernard Kobos, <a href="http://bernii.github.io/gauge.js/" target="_blank">MIT License</a>
 441
 442                                                 <i class="fa fa-circle"></i> <a href="https://jquery.org/" target="_blank">jQuery</a>,
 443                                                 <i class="fa fa-copyright"></i> Copyright 2015, jQuery Foundation, <a href="https://jquery.org/license/" target="_blank">MIT License</a>
 444
 445                                                 <i class="fa fa-circle"></i> <a href="http://getbootstrap.com/getting-started/" target="_blank">Bootstrap</a>,
 446                                                 <i class="fa fa-copyright"></i> Copyright 2015, Twitter, <a href="http://getbootstrap.com/getting-started/#license-faqs" target="_blank">MIT License</a>
 447
 448                                                 <i class="fa fa-circle"></i> <a href="http://www.bootstraptoggle.com/" target="_blank">Bootstrap Toggle</a>,
 449                                                 <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>
 450
 451                                                 <i class="fa fa-circle"></i> <a href="https://jamesflorentino.github.io/nanoScrollerJS/" target="_blank">NanoScroller</a>,
 452                                                 <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>
 453
 454                                                 <i class="fa fa-circle"></i> <a href="https://github.com/marcj/css-element-queries" target="_blank">CSS Element Queries</a>,
 455                                                 <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>
 456
 457                                                 <i class="fa fa-circle"></i> <a href="https://fortawesome.github.io/Font-Awesome/" target="_blank">FontAwesome</a>,
 458                                                 <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>
 459
 460                                                 <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.
 461
 462                                                 <i class="fa fa-circle"></i> <a href="http://morrisjs.github.io/morris.js/" target="_blank">morris.js</a>,
 463                                                 <i class="fa fa-copyright"></i> Copyright 2013, Olly Smith, <a href="http://morrisjs.github.io/morris.js/" target="_blank">Simplified BSD License</a>
 464
 465                                                 <i class="fa fa-circle"></i> <a href="http://raphaeljs.com/" target="_blank">Raphaël</a>,
 466                                                 <i class="fa fa-copyright"></i> Copyright 2008, Dmitry Baranovskiy, <a href="http://raphaeljs.com/license.html" target="_blank">MIT License</a>
 467
 468                                                 <i class="fa fa-circle"></i> <a href="http://C3js.org/" target="_blank">C3</a>,
 469                                                 <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>
 470
 471                                                 <i class="fa fa-circle"></i> <a href="http://D3js.org/" target="_blank">D3</a>,
 472                                                 <i class="fa fa-copyright"></i> Copyright 2015, Mike Bostock, <a href="http://opensource.org/licenses/BSD-3-Clause" target="_blank">BSD License</a>
 473
 474                                                 <i class="fa fa-circle"></i> <a href="https://github.com/broofa/node-int64" target="_blank">node-int64</a>,
 475                                                 <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>
 476
 477                                         </small>
 478                                 </div>
 479                         </div>
 480                 </div>
 481         </div>
 482
 483         <div class="modal fade" id="welcomeModal" tabindex="-1" role="dialog" aria-labelledby="welcomeModalLabel">
 484                 <div class="modal-dialog modal-lg" role="document">
 485                         <div class="modal-content">
 486                                 <div class="modal-header">
 487                                         <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
 488                                         <h4 class="modal-title" id="welcomeModalLabel">Welcome!</h4>
 489                                 </div>
 490                                 <div class="modal-body">
 491                                                 <div class="p">
 492                                                 <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 real-time time series data, from CPU usage, disk activity, SQL queries, API calls, web site visitors, etc.
 493                                                 </div>
 494                                                 <div class="p">
 495                                                 <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.
 496                                                 </div>
 497                                                 <div class="p">
 498                                                 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.
 499                                                 </div>
 500                                                 <div class="p">
 501                                                 <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>%),
 502                                                 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).
 503                                                 </div>
 504                                                 <div class="p">
 505                                                 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>!).
 506                                                 </div>
 507                                                 <div class="p">
 508                                                 For more information please refer to the <b><a href="https://github.com/firehol/netdata/wiki" target="_blank">netdata wiki</a></b>.
 509                                                 </div>
 510                                 </div>
 511                                 <div class="modal-footer">
 512                                         <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
 513                                 </div>
 514                         </div>
 515                 </div>
 516         </div>
 517
 518         <div class="modal fade" id="helpModal" tabindex="-1" role="dialog" aria-labelledby="helpModalLabel">
 519                 <div class="modal-dialog modal-lg" role="document">
 520                         <div class="modal-content">
 521                                 <div class="modal-header">
 522                                         <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
 523                                         <h4 class="modal-title" id="helpModalLabel">Dashboard Help</h4>
 524                                 </div>
 525                                 <div class="modal-body">
 526
 527                                         <h4>Dygraphs (line, area and stacked area charts)</h4>
 528
 529                                         <!-- Nav tabs -->
 530                                         <ul class="nav nav-tabs" role="tablist">
 531                                                 <li role="presentation" class="active"><a href="#help_mouse" aria-controls="help_mouse" role="tab" data-toggle="tab">Mouse Interface</a></li>
 532                                                 <li role="presentation"><a href="#help_touch" aria-controls="help_touch" role="tab" data-toggle="tab">Touch Interface</a></li>
 533                                         </ul>
 534
 535                                         <!-- Tab panes -->
 536                                         <div class="tab-content">
 537                                                 <div role="tabpanel" class="tab-pane active" id="help_mouse">
 538                                                         <div class="p">
 539                                                                 <h4>Mouse Over / Hover</h4>
 540                                                                 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).
 541                                                                 <br/>
 542                                                                 All the other visible charts will also show and highlight their values for the same timestamp.
 543                                                         </div>
 544                                                         <hr/>
 545                                                         <div class="p">
 546                                                                 <h4>Drag Chart Contents</h4>
 547                                                                 Drag the contents of a chart to pan it horizontally.
 548                                                                 <br/>
 549                                                                 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).
 550                                                                 <br/>
 551                                                                 Once a chart is panned, auto refreshing stops for all charts. To enable it again, <b>double click</b> a panned chart.
 552                                                         </div>
 553                                                         <hr/>
 554                                                         <div class="p">
 555                                                                 <h4>Double Click</h4>
 556                                                                 Double Click a chart to reset all the charts to their default auto-refreshing state.
 557                                                         </div>
 558                                                         <hr/>
 559                                                         <div class="p">
 560                                                                 <h4>SHIFT + Drag</h4>
 561                                                                 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:
 562                                                                 <ul>
 563                                                                         <li>The already loaded chart contents are zoomed (low resolution)</li>
 564                                                                         <li>New data are transferred from the netdata server, to refresh the chart with possibly more detail.</li>
 565                                                                 </ul>
 566                                                                 Once a chart is zoomed, auto refreshing stops for all charts. To enable it again, <b>double click</b> a zoomed chart.
 567                                                         </div>
 568                                                         <hr/>
 569                                                         <div class="p">
 570                                                                 <h4>SHIFT + Mouse Wheel <small>(does not work on firefox and IE/Edge)</small></h4>
 571                                                                 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.
 572                                                                 <br/>
 573                                                                 Once a chart is zoomed, auto refreshing stops for all charts. To enable it again, <b>double click</b> a zoomed chart.
 574                                                         </div>
 575                                                         <hr/>
 576                                                         <div class="p">
 577                                                                 <h4>Legend Operations</h4>
 578                                                                 Click on the label or value of a dimension, will select / un-select this dimension.
 579                                                                 <br/>
 580                                                                 You can press any of the SHIFT or CONTROL keys and then click on legend labels or values, to select / un-select multiple dimensions.
 581                                                         </div>
 582                                                 </div>
 583                                                 <div role="tabpanel" class="tab-pane" id="help_touch">
 584                                                         <div class="p">
 585                                                                 <h4>Single Tap</h4>
 586                                                                 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).
 587                                                                 <br/>
 588                                                                 All the other visible charts will also show and highlight their values for the same timestamp.
 589                                                         </div>
 590                                                         <hr/>
 591                                                         <div class="p">
 592                                                                 <h4>Drag Chart Contents</h4>
 593                                                                 Touch and Drag the contents of a chart to pan it horizontally.
 594                                                                 <br/>
 595                                                                 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).
 596                                                                 <br/>
 597                                                                 Once a chart is panned, auto refreshing stops for all charts. To enable it again, <b>double tap</b> a panned chart.
 598                                                         </div>
 599                                                         <hr/>
 600                                                         <div class="p">
 601                                                                 <h4>Double Tap</h4>
 602                                                                 Double tap a chart to reset all the charts to their default auto-refreshing state.
 603                                                         </div>
 604                                                         <hr/>
 605                                                         <div class="p">
 606                                                                 <h4>Zoom <small>(does not work on firefox and IE/Edge)</small></h4>
 607                                                                 With two fingers, zoom in or out.
 608                                                                 <br/>
 609                                                                 Once a chart is zoomed, auto refreshing stops for all charts. To enable it again, <b>double click</b> a zoomed chart.
 610                                                         </div>
 611                                                         <hr/>
 612                                                         <div class="p">
 613                                                                 <h4>Legend Operations</h4>
 614                                                                 Tap on the label or value of a dimension, will select / un-select this dimension.
 615                                                         </div>
 616                                                 </div>
 617                                         </div>
 618                                 </div>
 619                                 <div class="modal-footer">
 620                                         <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
 621                                 </div>
 622                         </div>
 623                 </div>
 624         </div>
 625
 626         <div class="modal fade" id="optionsModal" tabindex="-1" role="dialog" aria-labelledby="optionsModalLabel">
 627                 <div class="modal-dialog modal-lg" role="document">
 628                         <div class="modal-content">
 629                                 <div class="modal-header">
 630                                         <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
 631                                         <h4 class="modal-title" id="optionsModalLabel">netdata dashboard options</h4>
 632                                 </div>
 633                                 <div class="modal-body">
 634                                         <center>
 635                                                 <small style="color: #BBBBBB;">These are browser settings. Each viewer has its own. They do not affect the operation of your netdata server.
 636                                                 <br/>
 637                                                 Settings take effect immediately and are saved permanently to browser local storage (except the refresh on focus / always option).
 638                                                 <br/>
 639                                                 To reset all options (including charts sizes) to their defaults, click <a href="#" onclick="resetDashboardOptions(); return false;">here</a>.</small>
 640                                         </center>
 641                                         <div style="padding: 10px;"></div>
 642
 643                                         <!-- Nav tabs -->
 644                                         <ul class="nav nav-tabs" role="tablist">
 645                                                 <li role="presentation" class="active"><a href="#settings_performance" aria-controls="settings_performance" role="tab" data-toggle="tab">Performance</a></li>
 646                                                 <li role="presentation"><a href="#settings_sync" aria-controls="settings_sync" role="tab" data-toggle="tab">Synchronization</a></li>
 647                                                 <li role="presentation"><a href="#settings_visual" aria-controls="settings_visual" role="tab" data-toggle="tab">Visual</a></li>
 648                                         </ul>
 649
 650                                         <!-- Tab panes -->
 651                                         <div class="tab-content">
 652                                                 <div role="tabpanel" class="tab-pane active" id="settings_performance">
 653                                                         <form id="optionsForm1" method="get" class="form-horizontal">
 654                                                                 <div class="form-group">
 655                                                                         <table>
 656                                                                         <tr class="option-row">
 657                                                                                 <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>
 658                                                                                 <td class="option-info"><strong>When to refresh the charts?</strong><br/>
 659                                                                                         <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>
 660                                                                                 </td>
 661                                                                                 </tr>
 662                                                                         <tr class="option-row">
 663                                                                                 <td class="option-control">
 664                                                                                 <input id="eliminate_zero_dimensions" type="checkbox" checked data-toggle="toggle" data-on="Non Zero" data-off="All" data-width="110px">
 665                                                                                 </td>
 666                                                                                 <td class="option-info"><strong>Which dimensions to show?</strong><br/>
 667                                                                                         <small>When set to <b>Non Zero</b>, dimensions that have all their values (within the current view) set to zero will not be transferred from the netdata server (except if all dimensions of the chart are zero, in which case this setting does nothing - all dimensions are transferred 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 transferred 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>
 668                                                                                 </td>
 669                                                                                 </tr>
 670                                                                         <tr class="option-row">
 671                                                                                 <td class="option-control"><input id="destroy_on_hide" type="checkbox" data-toggle="toggle" data-on="Destroy" data-off="Hide" data-width="110px"></td>
 672                                                                                 <td class="option-info"><strong>How to handle hidden charts?</strong><br/>
 673                                                                                         <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>
 674                                                                                 </td>
 675                                                                                 </tr>
 676                                                                         </table>
 677                                                                 </div>
 678                                                         </form>
 679                                                 </div>
 680                                                 <div role="tabpanel" class="tab-pane" id="settings_sync">
 681                                                         <form id="optionsForm2" method="get" class="form-horizontal">
 682                                                                 <div class="form-group">
 683                                                                         <table>
 684                                                                         <tr class="option-row">
 685                                                                                 <td class="option-control"><input id="parallel_refresher" type="checkbox" checked data-toggle="toggle" data-on="Parallel" data-off="Sequential" data-width="110px"></td>
 686                                                                                 <td class="option-info"><strong>Which chart refresh policy to use?</strong><br/>
 687                                                                                         <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>sequential</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 sequential if you work on an older/slower computer.</small>
 688                                                                                 </td>
 689                                                                                 </tr>
 690                                                                         <tr class="option-row" id="concurrent_refreshes_row">
 691                                                                                 <td class="option-control"></td>
 692                                                                                 <td class="option-info">
 693                                                                                         <table>
 694                                                                                         <tr class="option-row">
 695                                                                                         <td class="option-control">
 696                                                                                         <input id="concurrent_refreshes" type="checkbox" checked data-toggle="toggle" data-on="Resync" data-off="Best Effort" data-width="110px">
 697                                                                                         </td>
 698                                                                                         <td class="option-info">
 699                                                                                         <strong>Shall we re-sync chart refreshes?</strong><br/>
 700                                                                                         <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>
 701                                                                                         </td>
 702                                                                                         </tr>
 703                                                                                         </table>
 704                                                                                 </td>
 705                                                                                 </tr>
 706                                                                         <tr class="option-row">
 707                                                                                 <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>
 708                                                                                 <td class="option-info"><strong>Sync hover selection on all charts?</strong><br/>
 709                                                                                         <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>
 710                                                                                 </td>
 711                                                                                 </tr>
 712                                                                         <tr class="option-row">
 713                                                                                 <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>
 714                                                                                 <td class="option-info"><strong>Sync pan and zoom on all charts?</strong><br/>
 715                                                                                         <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>
 716                                                                                 </td>
 717                                                                                 </tr>
 718                                                                         </table>
 719                                                                 </div>
 720                                                         </form>
 721                                                 </div>
 722                                                 <div role="tabpanel" class="tab-pane" id="settings_visual">
 723                                                         <form id="optionsForm3" method="get" class="form-horizontal">
 724                                                                 <div class="form-group">
 725                                                                         <table>
 726                                                                         <tr class="option-row">
 727                                                                                 <td class="option-control"><input id="netdata_theme_control" type="checkbox" checked data-toggle="toggle" data-offstyle="danger" data-onstyle="success" data-on="Dark" data-off="White" data-width="110px"></td>
 728                                                                                 <td class="option-info"><strong>Which theme to use?</strong><br/>
 729                                                                                         <small>Netdata comes with two themes: <b>Dark</b> (the default) and <b>White</b>.
 730                                                                                         <br/>
 731                                                                                         <b>Switching this will reload the dashboard</b>.
 732                                                                                         </small>
 733                                                                                 </td>
 734                                                                                 </tr>
 735                                                                         <tr class="option-row">
 736                                                                                 <td class="option-control"><input id="show_help" type="checkbox" checked data-toggle="toggle" data-on="Help Me" data-off="No Help" data-width="110px"></td>
 737                                                                                 <td class="option-info"><strong>Do you need help?</strong><br/>
 738                                                                                         <small>Netdata can show some help in some areas to help you use the dashboard. If all these balloons bother you, disable them using this switch.
 739                                                                                         <br/>
 740                                                                                         <b>Switching this will reload the dashboard</b>.
 741                                                                                         </small>
 742                                                                                 </td>
 743                                                                                 </tr>
 744                                                                         <tr class="option-row">
 745                                                                                 <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>
 746                                                                                 <td class="option-info"><strong>Enable data padding when panning and zooming?</strong><br/>
 747                                                                                         <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>
 748                                                                                 </td>
 749                                                                                 </tr>
 750                                                                         <tr class="option-row">
 751                                                                                 <td class="option-control"><input id="smooth_plot" type="checkbox" checked data-toggle="toggle"  data-on="Smooth" data-off="Rough" data-width="110px"></td>
 752                                                                                 <td class="option-info"><strong>Enable Bézier lines on charts?</strong><br/>
 753                                                                                         <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.
 754                                                                                         <br/>
 755                                                                                         Keep in mind <a href="http://dygraphs.com" target="_blank">dygraphs</a>, the main charting library in netdata dashboards, can only smooth line charts. It cannot smooth area or stacked charts. When set to <b>Rough</b>, this setting can lower the CPU resources consumed by your browser.</small>
 756                                                                                 </td>
 757                                                                                 </tr>
 758                                                                         </table>
 759                                                                 </div>
 760                                                         </form>
 761                                                 </div>
 762                                         </div>
 763                                 </div>
 764                                 <div class="modal-footer">
 765                                         <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
 766                                 </div>
 767                         </div>
 768                 </div>
 769         </div>
 770
 771
 772         <div class="modal fade" id="updateModal" tabindex="-1" role="dialog" aria-labelledby="updateModalLabel">
 773                 <div class="modal-dialog" role="document">
 774                         <div class="modal-content">
 775                                 <div class="modal-header">
 776                                         <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
 777                                         <h4 class="modal-title" id="updateModalLabel">Update Check</h4>
 778                                 </div>
 779                                 <div class="modal-body">
 780                                         Your netdata version: <b><code><span id="netdataVersion">Unknown</span></code></b>
 781                                         <br/>
 782                                         <div style="padding: 10px;"></div>
 783                                         <div id="versionCheckLog">Not checked yet. Please press the Check Now button.</div>
 784                                 </div>
 785                                 <div class="modal-footer">
 786                                         <a href="#" onclick="notifyForUpdate(true);" type="button" class="btn btn-default">Check Now</a>
 787                                         <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
 788                                 </div>
 789                         </div>
 790                 </div>
 791         </div>
 792
 793 <script>
 794
 795 var this_is_demo = null;
 796 function isdemo() {
 797         if(this_is_demo !== null) return this_is_demo;
 798         this_is_demo = false;
 799
 800         try {
 801                 if(typeof document.location.hostname === 'string') {
 802                         if(document.location.hostname === 'netdata.firehol.org' || document.location.hostname === 'netdata1.firehol.org') {
 803                                 document.getElementById("demo_eu").className = "active";
 804                                 this_is_demo = true;
 805                         }
 806                         else if(document.location.hostname === 'netdata2.firehol.org') {
 807                                 document.getElementById("demo_us").className = "active";
 808                                 this_is_demo = true;
 809                         }
 810                         else if(document.location.hostname === 'netdata3.firehol.org') {
 811                                 document.getElementById("demo_gr").className = "active";
 812                                 this_is_demo = true;
 813                         }
 814                 }
 815
 816                 if(!this_is_demo)
 817                         document.getElementById("demosites_nav").style.visibility = "hidden";
 818         }
 819         catch(error) {
 820                 ;
 821         }
 822
 823         return this_is_demo;
 824 }
 825
 826 if(isdemo()) {
 827         document.getElementById('masthead').style.display = 'block';
 828 }
 829
 830 var options = {
 831         sparklines_registry: {},
 832         submenu_names: {},
 833         data: null,
 834         hostname: 'netdata_server', // will be overwritten by the netdata server
 835         categories: new Array(),
 836         categories_idx: {},
 837         families: new Array(),
 838         families_idx: {},
 839
 840         chartsPerRow: 0,
 841         chartsMinWidth: 1450,
 842         chartsHeight: 180,
 843         sparklinesHeight: 60
 844 };
 845
 846 // generate a sparkline
 847 // used in the documentation
 848 function sparkline(chart, dimension, units) {
 849         var key = chart + '.' + dimension;
 850
 851         if(typeof units === 'undefined')
 852                 units = '';
 853
 854         if(typeof options.sparklines_registry[key] === 'undefined')
 855                 options.sparklines_registry[key] = { count: 1 };
 856         else
 857                 options.sparklines_registry[key].count++;
 858
 859         key = key + '.' + options.sparklines_registry[key].count;
 860
 861         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 + ')';
 862
 863         return h;
 864 }
 865
 866 function chartsPerRow(total) {
 867         if(options.chartsPerRow === 0) {
 868                 width = Math.floor(total / options.chartsMinWidth);
 869                 if(width === 0) width = 1;
 870                 return width;
 871         }
 872         else return options.chartsPerRow;
 873 }
 874
 875 function prioritySort(a, b) {
 876         if(a.priority < b.priority) return -1;
 877         if(a.priority > b.priority) return 1;
 878         if(a.name < b.name) return -1;
 879         return 1;
 880 }
 881
 882 function sortObjectByPriority(object) {
 883         var idx = {};
 884         var sorted = new Array();
 885
 886         for(var i in object) {
 887                 if(typeof idx[i] === 'undefined') {
 888                         idx[i] = object[i];
 889                         sorted.push(i);
 890                 }
 891         }
 892
 893         sorted.sort(function(a, b) {
 894                 if(idx[a].priority < idx[b].priority) return -1;
 895                 if(idx[a].priority > idx[b].priority) return 1;
 896                 if(a < b) return -1;
 897                 return 1;
 898         });
 899
 900         return sorted;
 901 }
 902
 903 // ----------------------------------------------------------------------------
 904
 905 function gaugeChart(title, width, dimensions, colors) {
 906         if(typeof colors === 'undefined')
 907                 colors = '';
 908
 909         if(typeof dimensions === 'undefined')
 910                 dimensions = '';
 911
 912         return '<div data-netdata="CHART_UNIQUE_ID"'
 913                                                         + ' data-dimensions="' + dimensions + '"'
 914                                                         + ' data-chart-library="gauge"'
 915                                                         + ' data-gauge-adjust="width"'
 916                                                         + ' data-title="' + title + '"'
 917                                                         + ' data-width="' + width + '"'
 918                                                         + ' data-before="0"'
 919                                                         + ' data-after="-CHART_DURATION"'
 920                                                         + ' data-points="CHART_DURATION"'
 921                                                         + ' data-colors="' + colors + '"'
 922                                                         + ' role="application"></div>';
 923 }
 924
 925 // ----------------------------------------------------------------------------
 926
 927 var menuData = {
 928         'system': {
 929                 title: 'System Overview',
 930                 info: 'Overview of the key system metrics.'
 931         },
 932
 933         'ap': {
 934                 title: 'Access Points',
 935                 info: undefined
 936         },
 937
 938         'tc': {
 939                 title: 'Quality of Service',
 940                 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).'
 941         },
 942
 943         'net': {
 944                 title: 'Network Interfaces',
 945                 info: 'Per network interface statistics collected from <code>/proc/net/dev</code>.'
 946         },
 947
 948         'ipv4': {
 949                 title: 'IPv4 Networking',
 950                 info: undefined
 951         },
 952
 953         'ipv6': {
 954                 title: 'IPv6 Networking',
 955                 info: undefined
 956         },
 957
 958         'ipvs': {
 959                 title: 'IP Virtual Server',
 960                 info: undefined
 961         },
 962
 963         'netfilter': {
 964                 title: 'Firewall (netfilter)',
 965                 info: undefined
 966         },
 967
 968         'cpu': {
 969                 title: 'CPUs',
 970                 info: undefined
 971         },
 972
 973         'mem': {
 974                 title: 'Memory',
 975                 info: undefined
 976         },
 977
 978         'disk': {
 979                 title: 'Disks',
 980                 info: undefined
 981         },
 982
 983         'sensors': {
 984                 title: 'Sensors',
 985                 info: undefined
 986         },
 987
 988         'nfsd': {
 989                 title: 'File Server (nfsd)',
 990                 info: undefined
 991         },
 992
 993         'apps': {
 994                 title: 'Applications',
 995                 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 internally 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 children continuously, 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 children 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 unrealistic utilization for each process group. So, we decided to ignore these values and present only the utilization of <b>the currently running processes</b>.',
 996                 height: 1.5
 997         },
 998
 999         'users': {
1000                 title: 'Users',
1001                 info: 'Per user statistics are collected using netdata\'s <code>apps.plugin</code>. This plugin walks through the entire <code>/proc</code> filesystem and aggregates statistics per user.<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 children continuously, 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 children 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 unrealistic utilization for each process group. So, we decided to ignore these values and present only the utilization of <b>the currently running processes</b>.',
1002                 height: 1.5
1003         },
1004
1005         'groups': {
1006                 title: 'User Groups',
1007                 info: 'Per user group statistics are collected using netdata\'s <code>apps.plugin</code>. This plugin walks through the entire <code>/proc</code> filesystem and aggregates statistics per user group.<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 children continuously, 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 children 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 unrealistic utilization for each process group. So, we decided to ignore these values and present only the utilization of <b>the currently running processes</b>.',
1008                 height: 1.5
1009         },
1010
1011         'netdata': {
1012                 title: 'Netdata Monitoring',
1013                 info: undefined
1014         },
1015
1016         'example': {
1017                 title: 'Example Charts',
1018                 info: undefined
1019         },
1020
1021         'cgroup': {
1022                 title: 'Container',
1023                 info: undefined
1024         },
1025
1026         'mysql': {
1027                 title: 'MySQL',
1028                 info: undefined
1029         },
1030
1031         'named': {
1032                 title: 'named',
1033                 info: undefined
1034         },
1035 };
1036
1037 var submenuData = {
1038         'mem.ksm': {
1039                 title: 'Memory Deduper',
1040                 info: 'Kernel Same-page Merging (KSM) performance monitoring, read from several files in <code>/sys/kernel/mm/ksm/</code>. KSM is a memory-saving de-duplication feature in the Linux kernel (since version 2.6.32). The KSM daemon ksmd periodically scans those areas of user memory which have been registered with it, looking for pages of identical content which can be replaced by a single write-protected page (which is automatically copied if a process later wants to update its content). KSM was originally developed for use with KVM (where it was known as Kernel Shared Memory), to fit more virtual machines into physical memory, by sharing the data common between them.  But it can be useful to any application which generates many instances of the same data.'
1041         },
1042
1043         'netfilter.conntrack': {
1044                 title: 'Connection Tracker',
1045                 info: 'Netfilter Connection Tracker performance monitoring, read from <code>/proc/net/stat/nf_conntrack</code>. The connection tracker keeps track of all connections of the machine, inbound and outbound. It works by keeping a database with all open connections, tracking network and address translation and connection expectations.'
1046         },
1047
1048         'netfilter.nfacct': {
1049                 title: 'Bandwidth Accounting',
1050                 info: 'The following information is read using the <code>nfacct.plugin</code>.'
1051         },
1052
1053         'netfilter.synproxy': {
1054                 title: 'DDoS Protection',
1055                 info: 'DDoS Protection performance monitoring read from <code>/proc/net/stat/synproxy</code>. <a href="https://github.com/firehol/firehol/wiki/Working-with-SYNPROXY" target="_blank">SYNPROXY</a> is a TCP SYN packets proxy. It is used to protect any TCP server (like a web server) from SYN floods and similar DDoS attacks. It is a netfilter module, in the Linux kernel (since version 3.12). It is optimized to handle millions of packets per second utilizing all CPUs available without any concurrency locking between the connections. It can be used for any kind of TCP traffic (even encrypted), since it does not interfere with the content itself.'
1056         }
1057 };
1058
1059 var chartData = {
1060         'system.cpu': {
1061                 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.'
1062         },
1063
1064         'system.load': {
1065                 info: 'Current system load read from <code>/proc/loadavg</code>.',
1066                 height: 0.7
1067         },
1068
1069         'system.io': {
1070                 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.'
1071         },
1072
1073         'system.swapio': {
1074                 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).'
1075         },
1076
1077         'system.pgfaults': {
1078                 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.'
1079         },
1080
1081         'system.entropy': {
1082                 colors: '#CC22AA',
1083                 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.'
1084         },
1085
1086         'system.forks': {
1087                 colors: '#5555DD',
1088                 info: 'The number of new processes created per second, read from <code>/proc/stat</code>.'
1089         },
1090
1091         'system.intr': {
1092                 colors: '#DD5555',
1093                 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.'
1094         },
1095
1096         'system.interrupts': {
1097                 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.'
1098         },
1099
1100         'system.softirqs': {
1101                 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.'
1102         },
1103
1104         'system.processes': {
1105                 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.'
1106         },
1107
1108         'system.active_processes': {
1109                 info: 'All system active processes, read from <code>/proc/loadavg</code>.'
1110         },
1111
1112         'system.ctxt': {
1113                 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.'
1114         },
1115
1116         'system.idlejitter': {
1117                 colors: '#5555AA',
1118                 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 difference between the requested and the actual duration of the sleep, is the <b>idle jitter</b>. This number is useful in real-time environments, where CPU jitter can affect the quality of the service (like VoIP media gateways).'
1119         },
1120
1121         'system.ipv4': {
1122                 info: 'Total IPv4 Traffic, read from <code>/proc/net/netstat</code>.'
1123         },
1124
1125         'system.ipv6': {
1126                 info: 'Total IPv6 Traffic, read from <code>/proc/net/snmp6</code>.'
1127         },
1128
1129         'system.ram': {
1130                 info: 'System memory, read from <code>/proc/meminfo</code>.'
1131         },
1132
1133         'system.swap': {
1134                 info: 'System swap memory, read from <code>/proc/meminfo</code>.'
1135         },
1136
1137         'mem.ksm_savings': {
1138                 heads: [
1139                         gaugeChart('Saved', '12%', 'savings', '#0099CC')
1140                 ]
1141         },
1142
1143         'mem.ksm_ratios': {
1144                 heads: [
1145                         function(id) {
1146                                 return  '<div data-netdata="' + id + '"'
1147                                         + ' data-gauge-max-value="100"'
1148                                         + ' data-chart-library="gauge"'
1149                                         + ' data-title="Savings"'
1150                                         + ' data-units="percentage %"'
1151                                         + ' data-gauge-adjust="width"'
1152                                         + ' data-width="12%"'
1153                                         + ' data-before="0"'
1154                                         + ' data-after="-CHART_DURATION"'
1155                                         + ' data-points="CHART_DURATION"'
1156                                         + ' role="application"></div>';
1157                         }
1158                 ]
1159         },
1160
1161         'mem.committed': {
1162                 colors: NETDATA.colors[3]
1163         },
1164
1165         'apps.cpu': {
1166                 height: 2.0
1167         },
1168
1169         'apps.preads': {
1170                 height: 2.0
1171         },
1172
1173         'apps.pwrites': {
1174                 height: 2.0
1175         },
1176
1177         'users.cpu': {
1178                 height: 2.0
1179         },
1180
1181         'users.preads': {
1182                 height: 2.0
1183         },
1184
1185         'users.pwrites': {
1186                 height: 2.0
1187         },
1188
1189         'groups.cpu': {
1190                 height: 2.0
1191         },
1192
1193         'groups.preads': {
1194                 height: 2.0
1195         },
1196
1197         'groups.pwrites': {
1198                 height: 2.0
1199         },
1200
1201         'tc.qos': {
1202                 heads: [
1203                         function(id) {
1204                                 if(id.match(/.*-ifb$/))
1205                                         return gaugeChart('Inbound', '12%', '', '#5555AA');
1206                                 else
1207                                         return gaugeChart('Outbound', '12%', '', '#AA9900');
1208                         }
1209                 ]
1210         },
1211
1212         'net.net': {
1213                 heads: [
1214                         gaugeChart('Received', '12%', 'received'),
1215                         gaugeChart('Sent', '12%', 'sent')
1216                 ]
1217         },
1218
1219         'disk.util': {
1220                 colors: '#FF5588',
1221                 heads: [
1222                         gaugeChart('Utilization', '12%', '', '#FF5588')
1223                 ]
1224         },
1225
1226         'disk.backlog': {
1227                 colors: '#0099CC'
1228         },
1229
1230         'disk.io': {
1231                 heads: [
1232                         gaugeChart('Read', '12%', 'reads'),
1233                         gaugeChart('Write', '12%', 'writes')
1234                 ]
1235         },
1236
1237         'netfilter.sockets': {
1238                 colors: '#88AA00',
1239                 heads: [
1240                         gaugeChart('Active Connections', '12%', '', '#88AA00')
1241                 ]
1242         },
1243
1244         'netfilter.new': {
1245                 heads: [
1246                         gaugeChart('New Connections', '12%', 'new', '#5555AA')
1247                 ]
1248         },
1249
1250         'disk.iotime': {
1251                 height: 0.5
1252         },
1253         'disk.mops': {
1254                 height: 0.5
1255         },
1256         'disk.svctm': {
1257                 height: 0.5
1258         },
1259         'disk.avgsz': {
1260                 height: 0.5
1261         },
1262         'disk.await': {
1263                 height: 0.5
1264         },
1265
1266         'apache.connections': {
1267                 colors: NETDATA.colors[4],
1268                 mainheads: [
1269                         gaugeChart('Connections', '12%', '', NETDATA.colors[4])
1270                 ]
1271         },
1272
1273         'apache.requests': {
1274                 colors: NETDATA.colors[0],
1275                 mainheads: [
1276                         gaugeChart('Connections', '12%', '', NETDATA.colors[0])
1277                 ]
1278         },
1279
1280         'apache.net': {
1281                 colors: NETDATA.colors[3],
1282                 mainheads: [
1283                         gaugeChart('Bandwidth', '12%', '', NETDATA.colors[3])
1284                 ]
1285         },
1286
1287         'apache.workers': {
1288                 mainheads: [
1289                         function(id) {
1290                                 return  '<div data-netdata="' + id + '"'
1291                                         + ' data-dimensions="busy"'
1292                                         + ' data-append-options="percentage"'
1293                                         + ' data-gauge-max-value="100"'
1294                                         + ' data-chart-library="gauge"'
1295                                         + ' data-title="Workers Utilization"'
1296                                         + ' data-units="percentage %"'
1297                                         + ' data-gauge-adjust="width"'
1298                                         + ' data-width="12%"'
1299                                         + ' data-before="0"'
1300                                         + ' data-after="-CHART_DURATION"'
1301                                         + ' data-points="CHART_DURATION"'
1302                                         + ' role="application"></div>';
1303                         }
1304                 ]
1305         },
1306
1307         'apache.bytesperreq': {
1308                 colors: NETDATA.colors[3],
1309                 height: 0.5
1310         },
1311
1312         'apache.reqpersec': {
1313                 colors: NETDATA.colors[4],
1314                 height: 0.5
1315         },
1316
1317         'apache.bytespersec': {
1318                 colors: NETDATA.colors[6],
1319                 height: 0.5
1320         },
1321
1322         'nginx.connections': {
1323                 colors: NETDATA.colors[4],
1324                 mainheads: [
1325                         gaugeChart('Connections', '12%', '', NETDATA.colors[4])
1326                 ]
1327         },
1328
1329         'nginx.requests': {
1330                 colors: NETDATA.colors[0],
1331                 mainheads: [
1332                         gaugeChart('Requests', '12%', '', NETDATA.colors[0])
1333                 ]
1334         }
1335 };
1336
1337 function anyAttribute(obj, attr, key, def) {
1338         if(typeof obj[key] !== 'undefined') {
1339                 if(typeof obj[key][attr] !== 'undefined')
1340                         return obj[key][attr];
1341         }
1342         return def;
1343 }
1344
1345 function menuTitle(chart) {
1346         if(typeof chart.menu_pattern !== 'undefined') {
1347                 return anyAttribute(menuData, 'title', chart.menu_pattern, chart.menu_pattern).toString()
1348                                 + ': ' + chart.type.slice(-(chart.type.length - chart.menu_pattern.length - 1)).toString();
1349         }
1350
1351         return anyAttribute(menuData, 'title', chart.menu, chart.menu);
1352 }
1353
1354 function menuInfo(menu) {
1355         return anyAttribute(menuData, 'info', menu, null);
1356 }
1357
1358 function menuHeight(menu, relative) {
1359         return anyAttribute(menuData, 'height', menu, 1.0) * relative;
1360 }
1361
1362 function submenuTitle(menu, submenu) {
1363         var key = menu + '.' + submenu;
1364         return anyAttribute(submenuData, 'title', key, submenu);
1365 }
1366
1367 function submenuInfo(menu, submenu) {
1368         var key = menu + '.' + submenu;
1369         return anyAttribute(submenuData, 'info', key, null);
1370 }
1371
1372 function submenuHeight(menu, submenu, relative) {
1373         var key = menu + '.' + submenu;
1374         return anyAttribute(submenuData, 'height', key, 1.0) * relative;
1375 }
1376
1377
1378 function chartInfo(id) {
1379         if(typeof chartData[id] !== 'undefined' && typeof chartData[id].info !== 'undefined')
1380                 return '<div class="chart-message netdata-chart-alignment" role="document">' + chartData[id].info + '</div>';
1381         else
1382                 return '';
1383 }
1384
1385 function chartHeight(id, def) {
1386         if(typeof chartData[id] !== 'undefined' && typeof chartData[id].height !== 'undefined')
1387                 return def * chartData[id].height;
1388         else
1389                 return def;
1390 }
1391
1392
1393 // ----------------------------------------------------------------------------
1394
1395 // enrich the data structure returned by netdata
1396 // to reflect our menu system and content
1397 function enrichChartData(chart) {
1398         var tmp = chart.type.split('_')[0];
1399
1400         switch(tmp) {
1401                 case 'ap':
1402                 case 'net':
1403                 case 'disk':
1404                         chart.menu = tmp;
1405                         break;
1406
1407                 case 'mysql':
1408                 case 'named':
1409                 case 'cgroup':
1410                         chart.menu = chart.type;
1411                         chart.menu_pattern = tmp;
1412                         break;
1413
1414                 case 'tc':
1415                         chart.menu = tmp;
1416
1417                         // find a name for this device from fireqos info
1418                         // we strip '_(in|out)' or '(in|out)_'
1419                         if(typeof options.submenu_names[chart.family] === 'undefined' || options.submenu_names[chart.family] === chart.family) {
1420                                 var n = chart.name.split('.')[1];
1421                                 if(n.endsWith('_in'))
1422                                         options.submenu_names[chart.family] = n.slice(0, n.lastIndexOf('_in'));
1423                                 else if(n.endsWith('_out'))
1424                                         options.submenu_names[chart.family] = n.slice(0, n.lastIndexOf('_out'));
1425                                 else if(n.startsWith('in_'))
1426                                         options.submenu_names[chart.family] = n.slice(3, n.length);
1427                                 else if(n.startsWith('out_'))
1428                                         options.submenu_names[chart.family] = n.slice(4, n.length);
1429                         }
1430
1431                         // increase the priority of IFB devices
1432                         // to have inbound appear before outbound
1433                         if(chart.id.match(/.*-ifb$/))
1434                                 chart.priority--;
1435
1436                         break;
1437
1438                 default:
1439                         chart.menu = chart.type;
1440                         break;
1441         }
1442
1443         chart.submenu = chart.family;
1444 }
1445
1446 // ----------------------------------------------------------------------------
1447
1448 function name2id(s) {
1449         return s
1450                 .replace(/ /g, '_')
1451                 .replace(/\(/g, '_')
1452                 .replace(/\)/g, '_')
1453                 .replace(/\./g, '_')
1454                 .replace(/\//g, '_');
1455 }
1456
1457 function headMain(charts, duration) {
1458         var head = '';
1459
1460         if(typeof charts['system.swap'] !== 'undefined')
1461                 head += '<div style="margin-right: 10px;" data-netdata="system.swap"'
1462                 + ' data-dimensions="free"'
1463                 + ' data-append-options="percentage"'
1464                 + ' data-chart-library="easypiechart"'
1465                 + ' data-title="Free Swap"'
1466                 + ' data-units="%"'
1467                 + ' data-easypiechart-max-value="100"'
1468                 + ' data-width="8%"'
1469                 + ' data-before="0"'
1470                 + ' data-after="-' + duration.toString() + '"'
1471                 + ' data-points="' + duration.toString() + '"'
1472                 + ' data-colors="#DD4400"'
1473                 + ' role="application"></div>';
1474
1475         if(typeof charts['system.io'] !== 'undefined') {
1476                 head += '<div style="margin-right: 10px;" data-netdata="system.io"'
1477                 + ' data-dimensions="in"'
1478                 + ' data-chart-library="easypiechart"'
1479                 + ' data-title="Disk Read"'
1480                 + ' data-units="KB / s"'
1481                 + ' data-width="10%"'
1482                 + ' data-before="0"'
1483                 + ' data-after="-' + duration.toString() + '"'
1484                 + ' data-points="' + duration.toString() + '"'
1485                 + ' role="application"></div>';
1486
1487                 head += '<div style="margin-right: 10px;" data-netdata="system.io"'
1488                 + ' data-dimensions="out"'
1489                 + ' data-chart-library="easypiechart"'
1490                 + ' data-title="Disk Write"'
1491                 + ' data-units="KB / s"'
1492                 + ' data-width="10%"'
1493                 + ' data-before="0"'
1494                 + ' data-after="-' + duration.toString() + '"'
1495                 + ' data-points="' + duration.toString() + '"'
1496                 + ' role="application"></div>';
1497         }
1498
1499         if(typeof charts['system.cpu'] !== 'undefined')
1500                 head += '<div data-netdata="system.cpu"'
1501                 + ' data-chart-library="gauge"'
1502                 + ' data-title="CPU"'
1503                 + ' data-units="%"'
1504                 + ' data-gauge-max-value="100"'
1505                 + ' data-width="18%"'
1506                 + ' data-after="-' + duration.toString() + '"'
1507                 + ' data-points="' + duration.toString() + '"'
1508                 + ' data-colors="' + NETDATA.colors[12] + '"'
1509                 + ' role="application"></div>';
1510
1511         if(typeof charts['system.ipv4'] !== 'undefined') {
1512                 head += '<div style="margin-right: 10px;" data-netdata="system.ipv4"'
1513                 + ' data-dimensions="received"'
1514                 + ' data-chart-library="easypiechart"'
1515                 + ' data-title="IPv4 Inbound"'
1516                 + ' data-units="kbps"'
1517                 + ' data-width="10%"'
1518                 + ' data-before="0"'
1519                 + ' data-after="-' + duration.toString() + '"'
1520                 + ' data-points="' + duration.toString() + '"'
1521                 + ' role="application"></div>';
1522
1523                 head += '<div style="margin-right: 10px;" data-netdata="system.ipv4"'
1524                 + ' data-dimensions="sent"'
1525                 + ' data-chart-library="easypiechart"'
1526                 + ' data-title="IPv4 Outbound"'
1527                 + ' data-units="kbps"'
1528                 + ' data-width="10%"'
1529                 + ' data-before="0"'
1530                 + ' data-after="-' + duration.toString() + '"'
1531                 + ' data-points="' + duration.toString() + '"'
1532                 + ' role="application"></div>';
1533         }
1534         else if(typeof charts['system.ipv6'] !== 'undefined') {
1535                 head += '<div style="margin-right: 10px;" data-netdata="system.ipv6"'
1536                 + ' data-dimensions="received"'
1537                 + ' data-chart-library="easypiechart"'
1538                 + ' data-title="IPv6 Inbound"'
1539                 + ' data-units="kbps"'
1540                 + ' data-width="10%"'
1541                 + ' data-before="0"'
1542                 + ' data-after="-' + duration.toString() + '"'
1543                 + ' data-points="' + duration.toString() + '"'
1544                 + ' role="application"></div>';
1545
1546                 head += '<div style="margin-right: 10px;" data-netdata="system.ipv6"'
1547                 + ' data-dimensions="sent"'
1548                 + ' data-chart-library="easypiechart"'
1549                 + ' data-title="IPv6 Outbound"'
1550                 + ' data-units="kbps"'
1551                 + ' data-width="10%"'
1552                 + ' data-before="0"'
1553                 + ' data-after="-' + duration.toString() + '"'
1554                 + ' data-points="' + duration.toString() + '"'
1555                 + ' role="application"></div>';
1556         }
1557
1558         if(typeof charts['system.ram'] !== 'undefined')
1559                 head += '<div style="margin-right: 10px;" data-netdata="system.ram"'
1560                 + ' data-dimensions="cached|free"'
1561                 + ' data-append-options="percentage"'
1562                 + ' data-chart-library="easypiechart"'
1563                 + ' data-title="Available RAM"'
1564                 + ' data-units="%"'
1565                 + ' data-easypiechart-max-value="100"'
1566                 + ' data-width="8%"'
1567                 + ' data-after="-' + duration.toString() + '"'
1568                 + ' data-points="' + duration.toString() + '"'
1569                 + ' data-colors="' + NETDATA.colors[7] + '"'
1570                 + ' role="application"></div>';
1571
1572         return head;
1573 }
1574
1575 function generateHeadCharts(type, chart, duration) {
1576         var head = '';
1577         var hcharts = anyAttribute(chartData, type, chart.context, []);
1578         if(hcharts.length > 0) {
1579                 var hi = 0, hlen = hcharts.length;
1580                 while(hi < hlen) {
1581                         if(typeof hcharts[hi] === 'function')
1582                                 head += hcharts[hi](chart.id).replace('CHART_DURATION', duration.toString()).replace('CHART_UNIQUE_ID', chart.id);
1583                         else
1584                                 head += hcharts[hi].replace('CHART_DURATION', duration.toString()).replace('CHART_UNIQUE_ID', chart.id);
1585                         hi++;
1586                 }
1587         }
1588         return head;
1589 }
1590
1591 function renderPage(menus, data) {
1592         var div = document.getElementById('charts_div');
1593         var pcent_width = Math.floor(100 / chartsPerRow($(div).width()));
1594
1595         // find the proper duration for per-second updates
1596         var duration = Math.round(($(div).width() * pcent_width / 100 * data.update_every / 3) / 60) * 60;
1597         var html = '';
1598         var sidebar = '<ul class="nav dashboard-sidenav" data-spy="affix" id="sidebar_ul">';
1599         var mainhead = headMain(data.charts, duration);
1600
1601         // sort the menus
1602         var main = sortObjectByPriority(menus);
1603         var i = 0, len = main.length;
1604         while(i < len) {
1605                 var menu = main[i++];
1606
1607                 // generate an entry at the main menu
1608
1609                 var menuid = name2id(menu);
1610                 sidebar += '<li class=""><a href="#' + menuid + '">' + menus[menu].title + '</a><ul class="nav">';
1611                 html += '<div role="section"><div role="sectionhead"><h1 id="' + menuid + '" role="heading">' + menus[menu].title + '</h1></div><div id="menu_' + menuid + '" role="document">';
1612
1613                 if(menus[menu].info !== null)
1614                         html += menus[menu].info;
1615
1616                 // console.log(' >> ' + menu + ' (' + menus[menu].priority + '): ' + menus[menu].title);
1617
1618                 var shtml = '';
1619                 var mhead = '<div class="netdata-chart-row">' + mainhead;
1620                 mainhead = '';
1621
1622                 // sort the submenus of this menu
1623                 var sub = sortObjectByPriority(menus[menu].submenus);
1624                 var si = 0, slen = sub.length;
1625                 while(si < slen) {
1626                         var submenu = sub[si++];
1627
1628                         // generate an entry at the submenu
1629                         var submenuid = name2id(menu + '_' + submenu);
1630                         sidebar += '<li class><a href="#' + submenuid + '">' + menus[menu].submenus[submenu].title + '</a></li>';
1631                         shtml += '<div class="netdata-group-container" id="submenu_' + submenuid + '" style="display: inline-block; width: ' + pcent_width.toString() + '%"><h2 id="' + submenuid + '" class="netdata-chart-alignment" role="heading">' + menus[menu].submenus[submenu].title + '</h2>';
1632
1633                         if(menus[menu].submenus[submenu].info !== null)
1634                                 shtml += '<div class="chart-message netdata-chart-alignment" role="document">' + menus[menu].submenus[submenu].info + '</div>';
1635
1636                         var head = '<div class="netdata-chart-row">';
1637                         var chtml = '';
1638
1639                         // console.log('    \------- ' + submenu + ' (' + menus[menu].submenus[submenu].priority + '): ' + menus[menu].submenus[submenu].title);
1640
1641                         // sort the charts in this submenu of this menu
1642                         menus[menu].submenus[submenu].charts.sort(prioritySort);
1643                         var ci = 0, clen = menus[menu].submenus[submenu].charts.length;
1644                         while(ci < clen) {
1645                                 var chart = menus[menu].submenus[submenu].charts[ci++];
1646
1647                                 // generate the submenu heading charts
1648                                 mhead += generateHeadCharts('mainheads', chart, duration);
1649                                 head += generateHeadCharts('heads', chart, duration);
1650
1651                                 // generate the chart
1652                                 chtml += chartInfo(chart.context) + '<div data-netdata="' + chart.id + '"'
1653                                         + ' data-width="' + pcent_width.toString() + '%"'
1654                                         + ' data-height="' + chartHeight(chart.context, options.chartsHeight).toString() + 'px"'
1655                                         + ' data-before="0"'
1656                                         + ' data-after="-' + duration.toString() + '"'
1657                                         + ' data-id="' + name2id(options.hostname + '/' + chart.id) + '"'
1658                                         + ' data-colors="' + anyAttribute(chartData, 'colors', chart.context, '') + '"'
1659                                         + ' role="application"></div>';
1660
1661                                 // console.log('         \------- ' + chart.id + ' (' + chart.priority + '): ' + chart.context  + ' height: ' + menus[menu].submenus[submenu].height);
1662                         }
1663
1664                         head += '</div>';
1665                         shtml += head + chtml + '</div>';
1666                 }
1667
1668                 mhead += '</div>';
1669                 sidebar += '</ul></li>';
1670                 html += mhead + shtml + '</div></div><hr role="separator"/>';
1671         }
1672
1673         sidebar += '</ul>';
1674         div.innerHTML = html;
1675         document.getElementById('sidebar').innerHTML = sidebar;
1676         finalizePage();
1677 }
1678
1679 function renderChartsAndMenu(data) {
1680         var menus = {};
1681         var charts = data.charts;
1682
1683         for(var c in charts) {
1684                 enrichChartData(charts[c]);
1685
1686                 // create the menu
1687                 if(typeof menus[charts[c].menu] === 'undefined') {
1688                         menus[charts[c].menu] = {
1689                                 priority: charts[c].priority,
1690                                 submenus: {},
1691                                 title: menuTitle(charts[c]),
1692                                 info: menuInfo(charts[c].menu),
1693                                 height: menuHeight(charts[c].menu, options.chartsHeight)
1694                         };
1695                 }
1696
1697                 if(charts[c].priority < menus[charts[c].menu].priority)
1698                         menus[charts[c].menu].priority = charts[c].priority;
1699
1700                 // create the submenu
1701                 if(typeof menus[charts[c].menu].submenus[charts[c].submenu] === 'undefined') {
1702                         menus[charts[c].menu].submenus[charts[c].submenu] = {
1703                                 priority: charts[c].priority,
1704                                 charts: new Array(),
1705                                 title: null,
1706                                 info: submenuInfo(charts[c].menu, charts[c].submenu),
1707                                 height: submenuHeight(charts[c].menu, charts[c].submenu, menus[charts[c].menu].height)
1708                         };
1709                 }
1710
1711                 if(charts[c].priority < menus[charts[c].menu].submenus[charts[c].submenu].priority)
1712                         menus[charts[c].menu].submenus[charts[c].submenu].priority = charts[c].priority;
1713
1714                 // index the chart in the menu/submenu
1715                 menus[charts[c].menu].submenus[charts[c].submenu].charts.push(charts[c]);
1716         }
1717
1718         // propagate the descriptive subname given to QoS
1719         // to all the other submenus with the same name
1720         for(var m in menus) {
1721                 for(var s in menus[m].submenus) {
1722                         // set the family using a name
1723                         if(typeof options.submenu_names[s] !== 'undefined') {
1724                                 menus[m].submenus[s].title = s + ' (' + options.submenu_names[s] + ')';
1725                         }
1726                         else {
1727                                 menus[m].submenus[s].title = submenuTitle(m, s);
1728                         }
1729                 }
1730         }
1731
1732         renderPage(menus, data);
1733 }
1734
1735 function downloadAllCharts(netdata_url) {
1736         if(typeof netdata_url === 'undefined' || netdata_url === null)
1737                 netdata_url = NETDATA.serverDefault;
1738
1739         NETDATA.pause(function() {
1740
1741                 // download all the charts the server knows
1742                 NETDATA.chartRegistry.downloadAll(netdata_url, function(data) {
1743
1744                         options.data = data;
1745                         options.hostname = data.hostname;
1746                         document.getElementById('hostname').innerHTML = options.hostname;
1747                         document.getElementById('hostname').href = NETDATA.serverDefault;
1748                         document.title = options.hostname + ' dashboard';
1749
1750                         renderChartsAndMenu(data);
1751
1752                         // prepare our DOM
1753 //                      prepareScreen(data);
1754
1755                         // due to affix issues, prepareScreen() will unpause
1756                         // netdata as needed
1757                 });
1758         });
1759 }
1760
1761 // ----------------------------------------------------------------------------
1762
1763 function versionLog(msg) {
1764         document.getElementById('versionCheckLog').innerHTML = msg;
1765 }
1766
1767 function getNetdataVersion(callback) {
1768         versionLog('Downloading installed version info from netdata...');
1769
1770         $.ajax({
1771                 url: 'version.txt',
1772                 async: true,
1773                 cache: false
1774         })
1775         .done(function(data) {
1776                 data = data.replace(/(\r\n|\n|\r| |\t)/gm,"");
1777                 if(data.length !== 40) {
1778                         versionLog('Received version string is invalid.');
1779                         callback(null);
1780                 }
1781                 else {
1782                         versionLog('Installed version of netdata is ' + data);
1783                         document.getElementById('netdataVersion').innerHTML = data;
1784                         callback(data);
1785                 }
1786         })
1787         .fail(function() {
1788                 versionLog('Failed to download installed version info from netdata!');
1789                 callback(null);
1790         });
1791 }
1792
1793 function getGithubLatestCommit(callback) {
1794         versionLog('Downloading latest version info from github...');
1795
1796         $.ajax({
1797                 url: 'https://api.github.com/repos/firehol/netdata/commits',
1798                 async: true,
1799                 cache: false
1800         })
1801         .done(function(data) {
1802                 versionLog('Latest version info from github is ' + data[0].sha);
1803                 callback(data[0].sha);
1804         })
1805         .fail(function() {
1806                 versionLog('Failed to download installed version info from github!');
1807                 callback(null);
1808         });
1809 }
1810
1811 function checkForUpdate(callback) {
1812         getNetdataVersion(function(sha1) {
1813                 if(sha1 === null) callback(null, null);
1814
1815                 getGithubLatestCommit(function(sha2) {
1816                         callback(sha1, sha2);
1817                 });
1818         });
1819
1820         return null;
1821 }
1822
1823 var updateBlinkCounter = 0;
1824 function notifyForUpdate(force) {
1825         versionLog('<p>checking for updates...</p>');
1826
1827         var now = new Date().getTime();
1828
1829         if(typeof force === 'undefined' || force !== true) {
1830                 var last = loadLocalStorage('last_update_check');
1831
1832                 if(typeof last === 'string')
1833                         last = parseInt(last);
1834                 else
1835                         last = 0;
1836
1837                 if(now - last < 3600000 * 8) {
1838                         // no need to check it - too soon
1839                         return;
1840                 }
1841         }
1842
1843         checkForUpdate(function(sha1, sha2) {
1844                 var save = false;
1845
1846                 if(sha1 === null) {
1847                         save = false;
1848                         versionLog('<p><big>Failed to get your netdata version!</big></p><p>You can always get the latest version of netdata from <a href="https://github.com/firehol/netdata" target="_blank">its github page</a>.</p>');
1849                 }
1850                 else if(sha2 === null) {
1851                         save = false;
1852                         versionLog('<p><big>Failed to get the latest version from github.</big></p><p>You can always get the latest version of netdata from <a href="https://github.com/firehol/netdata" target="_blank">its github page</a>.</p>');
1853                 }
1854                 else if(sha1 === sha2) {
1855                         save = true;
1856                         versionLog('<p><big>You already have the latest version of netdata!</big></p><p>No update yet?<br/>Probably, we need some motivation to keep going on!</p><p>If you haven\'t already, <a href="https://github.com/firehol/netdata" target="_blank">give netdata a <b>Star</b> at its github page</a>.</p>');
1857                 }
1858                 else {
1859                         save = true;
1860                         var compare = 'https://github.com/firehol/netdata/compare/' + sha1.toString() + '...' + sha2.toString();
1861
1862                         versionLog('<p><big><strong>New version of netdata available!</strong></big></p><p>Latest version: ' + sha2.toString() + '</p><p><a href="' + compare + '" target="_blank">Click here for the changes log</a> since your installed version, and<br/><a href="https://github.com/firehol/netdata/wiki/Updating-Netdata" target="_blank">click here for directions on updating</a> your netdata installation.</p><p>We suggest to review the changes log for new features you may be interested, or important bug fixes you may need.<br/>Keeping your netdata updated, is generally a good idea.</p>');
1863
1864                         function updateButtonBlink() {
1865                                 updateBlinkCounter--;
1866                                 if(updateBlinkCounter > 0)
1867                                         $('#updateButton').fadeOut(500).fadeIn(500, updateButtonBlink);
1868                         }
1869
1870                         if(updateBlinkCounter === 0) {
1871                                 updateBlinkCounter = 300;
1872                                 updateButtonBlink();
1873                         }
1874                 }
1875
1876                 if(save)
1877                         saveLocalStorage('last_update_check', now.toString());
1878         });
1879 }
1880
1881 // ----------------------------------------------------------------------------
1882
1883 function getUrlParameter(sParam) {
1884     var sPageURL = decodeURIComponent(window.location.search.substring(1)),
1885         sURLVariables = sPageURL.split('&'),
1886         sParameterName,
1887         i;
1888
1889     for (i = 0; i < sURLVariables.length; i++) {
1890         sParameterName = sURLVariables[i].split('=');
1891
1892         if (sParameterName[0] === sParam) {
1893             return sParameterName[1] === undefined ? true : sParameterName[1];
1894         }
1895     }
1896 }
1897
1898 function finalizePage() {
1899         // resize all charts - without starting the background thread
1900         // this has to be done while NETDATA is paused
1901         // if we ommit this, the affix menu will be wrong, since all
1902         // the Dom elements are initially zero-sized
1903         NETDATA.parseDom();
1904
1905         var before = 0, after = 0, nowelcome = 0;
1906         after = getUrlParameter('force_after_ms');
1907         before = getUrlParameter('force_before_ms');
1908         nowelcome = (getUrlParameter('nowelcome') === true)?true:false;
1909
1910         if(before > 0 && after > 0) {
1911                 nowelcome = true;
1912                 NETDATA.globalPanAndZoom.setMaster(NETDATA.options.targets[0], after, before);
1913         }
1914
1915         // let it run (update the charts)
1916         NETDATA.unpause();
1917
1918         // check if we have to jump to a specific section
1919         var hash = location.hash.replace('#','');
1920         if(hash != '') {
1921                 // Clear the hash in the URL
1922                 // location.hash = '';   // delete front "//" if you want to change the address bar
1923                 var offset = $(location.hash).offset();
1924                 if(typeof offset !== 'undefined')
1925                         $('html, body').animate({ scrollTop: offset.top }, 0);
1926         }
1927
1928         /* activate bootstrap sidebar (affix) */
1929         $('#sidebar').affix({
1930                 offset: {
1931                         top: (isdemo())?150:0,
1932                         bottom: 0
1933                 }
1934         });
1935
1936         /* fix scrolling of very long affix lists
1937            http://stackoverflow.com/questions/21691585/bootstrap-3-1-0-affix-too-long
1938          */
1939         $('#sidebar').on('affixed.bs.affix', function() {
1940                 $(this).removeAttr('style');
1941         });
1942
1943         /* activate bootstrap scrollspy (needed for sidebar) */
1944         $(document.body).scrollspy({
1945                 target: '#sidebar',
1946                 offset: $(window).height() / 3 // controls the diff of the <hX> element to the top, to select it
1947         });
1948
1949         document.getElementById('footer').style.display = 'block';
1950
1951
1952         var update_options_modal = function() {
1953                 // console.log('update_options_modal');
1954
1955                 var sync_option = function(option) {
1956                         var self = $('#' + option);
1957
1958                         if(self.prop('checked') !== NETDATA.getOption(option)) {
1959                                 // console.log('switching ' + option.toString());
1960                                 self.bootstrapToggle(NETDATA.getOption(option)?'on':'off');
1961                         }
1962                 }
1963
1964                 var theme_sync_option = function(option) {
1965                         var self = $('#' + option);
1966
1967                         self.bootstrapToggle(netdataTheme === 'slate'?'on':'off');
1968                 }
1969
1970                 sync_option('eliminate_zero_dimensions');
1971                 sync_option('destroy_on_hide');
1972                 sync_option('parallel_refresher');
1973                 sync_option('concurrent_refreshes');
1974                 sync_option('sync_selection');
1975                 sync_option('sync_pan_and_zoom');
1976                 sync_option('stop_updates_when_focus_is_lost');
1977                 sync_option('smooth_plot');
1978                 sync_option('pan_and_zoom_data_padding');
1979                 sync_option('show_help');
1980                 theme_sync_option('netdata_theme_control');
1981
1982                 if(NETDATA.getOption('parallel_refresher') === false) {
1983                         $('#concurrent_refreshes_row').hide();
1984                 }
1985                 else {
1986                         $('#concurrent_refreshes_row').show();
1987                 }
1988         };
1989         NETDATA.setOption('setOptionCallback', update_options_modal);
1990
1991         // handle options changes
1992         $('#eliminate_zero_dimensions').change(function()       { NETDATA.setOption('eliminate_zero_dimensions', $(this).prop('checked')); });
1993         $('#destroy_on_hide').change(function()                 { NETDATA.setOption('destroy_on_hide', $(this).prop('checked')); });
1994         $('#parallel_refresher').change(function()              { NETDATA.setOption('parallel_refresher', $(this).prop('checked')); });
1995         $('#concurrent_refreshes').change(function()            { NETDATA.setOption('concurrent_refreshes', $(this).prop('checked')); });
1996         $('#sync_selection').change(function()                  { NETDATA.setOption('sync_selection', $(this).prop('checked')); });
1997         $('#sync_pan_and_zoom').change(function()               { NETDATA.setOption('sync_pan_and_zoom', $(this).prop('checked')); });
1998         $('#stop_updates_when_focus_is_lost').change(function() { NETDATA.setOption('stop_updates_when_focus_is_lost', $(this).prop('checked')); });
1999         $('#smooth_plot').change(function()                     { NETDATA.setOption('smooth_plot', $(this).prop('checked')); });
2000         $('#pan_and_zoom_data_padding').change(function()       { NETDATA.setOption('pan_and_zoom_data_padding', $(this).prop('checked')); });
2001         $('#show_help').change(function()                       { NETDATA.setOption('show_help', $(this).prop('checked')); location.reload(); });
2002
2003         // this has to be the last
2004         // it reloads the page
2005         $('#netdata_theme_control').change(function() {
2006                 if(setTheme($(this).prop('checked')?'slate':'white'))
2007                         location.reload();
2008         });
2009
2010         $('#updateModal').on('shown.bs.modal', function() {
2011                 notifyForUpdate(true);
2012         });
2013
2014         if(isdemo()) {
2015                 if(!nowelcome) {
2016                         setTimeout(function() {
2017                                 $('#welcomeModal').modal();
2018                         }, 1000);
2019                 }
2020
2021                 // google analytics when this is used for the home page of the demo sites
2022                 // this does not run on user's installations
2023                 setTimeout(function() {
2024                         (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
2025                         (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
2026                         m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
2027                         })(window,document,'script','https://www.google-analytics.com/analytics.js','ga');
2028
2029                         ga('create', 'UA-64295674-3', 'auto');
2030                         ga('send', 'pageview');
2031                 }, 2000);
2032         }
2033         else notifyForUpdate();
2034 }
2035
2036 function resetDashboardOptions() {
2037         var help = NETDATA.options.current.show_help;
2038
2039         NETDATA.resetOptions();
2040         if(setTheme('slate'))
2041                 location.reload();
2042
2043         if(help !== NETDATA.options.current.show_help)
2044                 location.reload();
2045 }
2046
2047 downloadAllCharts();
2048
2049 </script>
2050
2051 </body>
2052 </html>