1<!DOCTYPE html> 2<html lang="en"> 3<head> 4 <meta charset="utf-8"> 5 <meta name="viewport" content="width=device-width"> 6 <meta name="nodejs.org:node-version" content="v14.20.1"> 7 <title>Diagnostic report | Node.js v14.20.1 Documentation</title> 8 <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Lato:400,700,400italic&display=fallback"> 9 <link rel="stylesheet" href="assets/style.css"> 10 <link rel="stylesheet" href="assets/hljs.css"> 11 <link rel="canonical" href="https://nodejs.org/api/report.html"> 12</head> 13<body class="alt apidoc" id="api-section-report"> 14 <div id="content" class="clearfix"> 15 <div id="column2" class="interior"> 16 <div id="intro" class="interior"> 17 <a href="/" title="Go back to the home page"> 18 Node.js 19 </a> 20 </div> 21 <ul> 22<li><a href="documentation.html" class="nav-documentation">About this documentation</a></li> 23<li><a href="synopsis.html" class="nav-synopsis">Usage and example</a></li> 24</ul> 25<hr class="line"> 26<ul> 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<div id="column1" data-id="report" class="interior"> 90 <header> 91 <div class="header-container"> 92 <h1>Node.js v14.20.1 documentation</h1> 93 <button class="theme-toggle-btn" id="theme-toggle-btn" title="Toggle dark mode/light mode" aria-label="Toggle dark mode/light mode" hidden> 94 <svg xmlns="http://www.w3.org/2000/svg" class="icon dark-icon" height="24" width="24"> 95 <path fill="none" d="M0 0h24v24H0z" /> 96 <path d="M11.1 12.08c-2.33-4.51-.5-8.48.53-10.07C6.27 2.2 1.98 6.59 1.98 12c0 .14.02.28.02.42.62-.27 1.29-.42 2-.42 1.66 0 3.18.83 4.1 2.15A4.01 4.01 0 0111 18c0 1.52-.87 2.83-2.12 3.51.98.32 2.03.5 3.11.5 3.5 0 6.58-1.8 8.37-4.52-2.36.23-6.98-.97-9.26-5.41z"/> 97 <path d="M7 16h-.18C6.4 14.84 5.3 14 4 14c-1.66 0-3 1.34-3 3s1.34 3 3 3h3c1.1 0 2-.9 2-2s-.9-2-2-2z"/> 98 </svg> 99 <svg xmlns="http://www.w3.org/2000/svg" class="icon light-icon" height="24" width="24"> 100 <path d="M0 0h24v24H0z" fill="none" /> 101 <path d="M6.76 4.84l-1.8-1.79-1.41 1.41 1.79 1.79 1.42-1.41zM4 10.5H1v2h3v-2zm9-9.95h-2V3.5h2V.55zm7.45 3.91l-1.41-1.41-1.79 1.79 1.41 1.41 1.79-1.79zm-3.21 13.7l1.79 1.8 1.41-1.41-1.8-1.79-1.4 1.4zM20 10.5v2h3v-2h-3zm-8-5c-3.31 0-6 2.69-6 6s2.69 6 6 6 6-2.69 6-6-2.69-6-6-6zm-1 16.95h2V19.5h-2v2.95zm-7.45-3.91l1.41 1.41 1.79-1.8-1.41-1.41-1.79 1.8z"/> 102 </svg> 103 </button> 104 </div> 105 <div id="gtoc"> 106 <ul> 107 <li> 108 <a href="index.html">Index</a> 109 </li> 110 <li> 111 <a href="all.html">View on single page</a> 112 </li> 113 <li> 114 <a href="report.json">View as JSON</a> 115 </li> 116 117 <li class="version-picker"> 118 <a href="#">View another version <span>▼</span></a> 119 <ol class="version-picker"><li><a href="https://nodejs.org/docs/latest-v18.x/api/report.html">18.x</a></li> 120<li><a href="https://nodejs.org/docs/latest-v17.x/api/report.html">17.x</a></li> 121<li><a href="https://nodejs.org/docs/latest-v16.x/api/report.html">16.x <b>LTS</b></a></li> 122<li><a href="https://nodejs.org/docs/latest-v15.x/api/report.html">15.x</a></li> 123<li><a href="https://nodejs.org/docs/latest-v14.x/api/report.html">14.x <b>LTS</b></a></li> 124<li><a href="https://nodejs.org/docs/latest-v13.x/api/report.html">13.x</a></li> 125<li><a href="https://nodejs.org/docs/latest-v12.x/api/report.html">12.x <b>LTS</b></a></li> 126<li><a href="https://nodejs.org/docs/latest-v11.x/api/report.html">11.x</a></li></ol> 127 </li> 128 129 <li class="edit_on_github"><a href="https://github.com/nodejs/node/edit/master/doc/api/report.md">Edit on GitHub</a></li> 130 </ul> 131 </div> 132 <hr> 133 </header> 134 135 <details id="toc" open><summary>Table of contents</summary><ul> 136<li><span class="stability_2"><a href="#report_diagnostic_report">Diagnostic report</a></span> 137<ul> 138<li><a href="#report_usage">Usage</a></li> 139<li><a href="#report_configuration">Configuration</a></li> 140<li><a href="#report_interaction_with_workers">Interaction with workers</a></li> 141</ul> 142</li> 143</ul></details> 144 145 <div id="apicontent"> 146 <h2>Diagnostic report<span><a class="mark" href="#report_diagnostic_report" id="report_diagnostic_report">#</a></span></h2> 147 148 149<p></p><div class="api_stability api_stability_2"><a href="documentation.html#documentation_stability_index">Stability: 2</a> - Stable</div><p></p> 150 151<p>Delivers a JSON-formatted diagnostic summary, written to a file.</p> 152<p>The report is intended for development, test and production use, to capture 153and preserve information for problem determination. It includes JavaScript 154and native stack traces, heap statistics, platform information, resource 155usage etc. With the report option enabled, diagnostic reports can be triggered 156on unhandled exceptions, fatal errors and user signals, in addition to 157triggering programmatically through API calls.</p> 158<p>A complete example report that was generated on an uncaught exception 159is provided below for reference.</p> 160<pre><code class="language-json"><span class="hljs-punctuation">{</span> 161 <span class="hljs-attr">"header"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span> 162 <span class="hljs-attr">"reportVersion"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">1</span><span class="hljs-punctuation">,</span> 163 <span class="hljs-attr">"event"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"exception"</span><span class="hljs-punctuation">,</span> 164 <span class="hljs-attr">"trigger"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"Exception"</span><span class="hljs-punctuation">,</span> 165 <span class="hljs-attr">"filename"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"report.20181221.005011.8974.0.001.json"</span><span class="hljs-punctuation">,</span> 166 <span class="hljs-attr">"dumpEventTime"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"2018-12-21T00:50:11Z"</span><span class="hljs-punctuation">,</span> 167 <span class="hljs-attr">"dumpEventTimeStamp"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"1545371411331"</span><span class="hljs-punctuation">,</span> 168 <span class="hljs-attr">"processId"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">8974</span><span class="hljs-punctuation">,</span> 169 <span class="hljs-attr">"cwd"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"/home/nodeuser/project/node"</span><span class="hljs-punctuation">,</span> 170 <span class="hljs-attr">"commandLine"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">[</span> 171 <span class="hljs-string">"/home/nodeuser/project/node/out/Release/node"</span><span class="hljs-punctuation">,</span> 172 <span class="hljs-string">"--report-uncaught-exception"</span><span class="hljs-punctuation">,</span> 173 <span class="hljs-string">"/home/nodeuser/project/node/test/report/test-exception.js"</span><span class="hljs-punctuation">,</span> 174 <span class="hljs-string">"child"</span> 175 <span class="hljs-punctuation">]</span><span class="hljs-punctuation">,</span> 176 <span class="hljs-attr">"nodejsVersion"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"v12.0.0-pre"</span><span class="hljs-punctuation">,</span> 177 <span class="hljs-attr">"glibcVersionRuntime"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"2.17"</span><span class="hljs-punctuation">,</span> 178 <span class="hljs-attr">"glibcVersionCompiler"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"2.17"</span><span class="hljs-punctuation">,</span> 179 <span class="hljs-attr">"wordSize"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"64 bit"</span><span class="hljs-punctuation">,</span> 180 <span class="hljs-attr">"arch"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"x64"</span><span class="hljs-punctuation">,</span> 181 <span class="hljs-attr">"platform"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"linux"</span><span class="hljs-punctuation">,</span> 182 <span class="hljs-attr">"componentVersions"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span> 183 <span class="hljs-attr">"node"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"12.0.0-pre"</span><span class="hljs-punctuation">,</span> 184 <span class="hljs-attr">"v8"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"7.1.302.28-node.5"</span><span class="hljs-punctuation">,</span> 185 <span class="hljs-attr">"uv"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"1.24.1"</span><span class="hljs-punctuation">,</span> 186 <span class="hljs-attr">"zlib"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"1.2.11"</span><span class="hljs-punctuation">,</span> 187 <span class="hljs-attr">"ares"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"1.15.0"</span><span class="hljs-punctuation">,</span> 188 <span class="hljs-attr">"modules"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"68"</span><span class="hljs-punctuation">,</span> 189 <span class="hljs-attr">"nghttp2"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"1.34.0"</span><span class="hljs-punctuation">,</span> 190 <span class="hljs-attr">"napi"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"3"</span><span class="hljs-punctuation">,</span> 191 <span class="hljs-attr">"llhttp"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"1.0.1"</span><span class="hljs-punctuation">,</span> 192 <span class="hljs-attr">"openssl"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"1.1.0j"</span> 193 <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span> 194 <span class="hljs-attr">"release"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span> 195 <span class="hljs-attr">"name"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"node"</span> 196 <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span> 197 <span class="hljs-attr">"osName"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"Linux"</span><span class="hljs-punctuation">,</span> 198 <span class="hljs-attr">"osRelease"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"3.10.0-862.el7.x86_64"</span><span class="hljs-punctuation">,</span> 199 <span class="hljs-attr">"osVersion"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"#1 SMP Wed Mar 21 18:14:51 EDT 2018"</span><span class="hljs-punctuation">,</span> 200 <span class="hljs-attr">"osMachine"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"x86_64"</span><span class="hljs-punctuation">,</span> 201 <span class="hljs-attr">"cpus"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">[</span> 202 <span class="hljs-punctuation">{</span> 203 <span class="hljs-attr">"model"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"Intel(R) Core(TM) i7-6820HQ CPU @ 2.70GHz"</span><span class="hljs-punctuation">,</span> 204 <span class="hljs-attr">"speed"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">2700</span><span class="hljs-punctuation">,</span> 205 <span class="hljs-attr">"user"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">88902660</span><span class="hljs-punctuation">,</span> 206 <span class="hljs-attr">"nice"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">0</span><span class="hljs-punctuation">,</span> 207 <span class="hljs-attr">"sys"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">50902570</span><span class="hljs-punctuation">,</span> 208 <span class="hljs-attr">"idle"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">241732220</span><span class="hljs-punctuation">,</span> 209 <span class="hljs-attr">"irq"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">0</span> 210 <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span> 211 <span class="hljs-punctuation">{</span> 212 <span class="hljs-attr">"model"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"Intel(R) Core(TM) i7-6820HQ CPU @ 2.70GHz"</span><span class="hljs-punctuation">,</span> 213 <span class="hljs-attr">"speed"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">2700</span><span class="hljs-punctuation">,</span> 214 <span class="hljs-attr">"user"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">88902660</span><span class="hljs-punctuation">,</span> 215 <span class="hljs-attr">"nice"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">0</span><span class="hljs-punctuation">,</span> 216 <span class="hljs-attr">"sys"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">50902570</span><span class="hljs-punctuation">,</span> 217 <span class="hljs-attr">"idle"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">241732220</span><span class="hljs-punctuation">,</span> 218 <span class="hljs-attr">"irq"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">0</span> 219 <span class="hljs-punctuation">}</span> 220 <span class="hljs-punctuation">]</span><span class="hljs-punctuation">,</span> 221 <span class="hljs-attr">"networkInterfaces"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">[</span> 222 <span class="hljs-punctuation">{</span> 223 <span class="hljs-attr">"name"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"en0"</span><span class="hljs-punctuation">,</span> 224 <span class="hljs-attr">"internal"</span><span class="hljs-punctuation">:</span> <span class="hljs-keyword">false</span><span class="hljs-punctuation">,</span> 225 <span class="hljs-attr">"mac"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"13:10:de:ad:be:ef"</span><span class="hljs-punctuation">,</span> 226 <span class="hljs-attr">"address"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"10.0.0.37"</span><span class="hljs-punctuation">,</span> 227 <span class="hljs-attr">"netmask"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"255.255.255.0"</span><span class="hljs-punctuation">,</span> 228 <span class="hljs-attr">"family"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"IPv4"</span> 229 <span class="hljs-punctuation">}</span> 230 <span class="hljs-punctuation">]</span><span class="hljs-punctuation">,</span> 231 <span class="hljs-attr">"host"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"test_machine"</span> 232 <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span> 233 <span class="hljs-attr">"javascriptStack"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span> 234 <span class="hljs-attr">"message"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"Error: *** test-exception.js: throwing uncaught Error"</span><span class="hljs-punctuation">,</span> 235 <span class="hljs-attr">"stack"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">[</span> 236 <span class="hljs-string">"at myException (/home/nodeuser/project/node/test/report/test-exception.js:9:11)"</span><span class="hljs-punctuation">,</span> 237 <span class="hljs-string">"at Object.<anonymous> (/home/nodeuser/project/node/test/report/test-exception.js:12:3)"</span><span class="hljs-punctuation">,</span> 238 <span class="hljs-string">"at Module._compile (internal/modules/cjs/loader.js:718:30)"</span><span class="hljs-punctuation">,</span> 239 <span class="hljs-string">"at Object.Module._extensions..js (internal/modules/cjs/loader.js:729:10)"</span><span class="hljs-punctuation">,</span> 240 <span class="hljs-string">"at Module.load (internal/modules/cjs/loader.js:617:32)"</span><span class="hljs-punctuation">,</span> 241 <span class="hljs-string">"at tryModuleLoad (internal/modules/cjs/loader.js:560:12)"</span><span class="hljs-punctuation">,</span> 242 <span class="hljs-string">"at Function.Module._load (internal/modules/cjs/loader.js:552:3)"</span><span class="hljs-punctuation">,</span> 243 <span class="hljs-string">"at Function.Module.runMain (internal/modules/cjs/loader.js:771:12)"</span><span class="hljs-punctuation">,</span> 244 <span class="hljs-string">"at executeUserCode (internal/bootstrap/node.js:332:15)"</span> 245 <span class="hljs-punctuation">]</span> 246 <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span> 247 <span class="hljs-attr">"nativeStack"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">[</span> 248 <span class="hljs-punctuation">{</span> 249 <span class="hljs-attr">"pc"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"0x000055b57f07a9ef"</span><span class="hljs-punctuation">,</span> 250 <span class="hljs-attr">"symbol"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"report::GetNodeReport(v8::Isolate*, node::Environment*, char const*, char const*, v8::Local<v8::String>, std::ostream&) [./node]"</span> 251 <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span> 252 <span class="hljs-punctuation">{</span> 253 <span class="hljs-attr">"pc"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"0x000055b57f07cf03"</span><span class="hljs-punctuation">,</span> 254 <span class="hljs-attr">"symbol"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"report::GetReport(v8::FunctionCallbackInfo<v8::Value> const&) [./node]"</span> 255 <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span> 256 <span class="hljs-punctuation">{</span> 257 <span class="hljs-attr">"pc"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"0x000055b57f1bccfd"</span><span class="hljs-punctuation">,</span> 258 <span class="hljs-attr">"symbol"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">" [./node]"</span> 259 <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span> 260 <span class="hljs-punctuation">{</span> 261 <span class="hljs-attr">"pc"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"0x000055b57f1be048"</span><span class="hljs-punctuation">,</span> 262 <span class="hljs-attr">"symbol"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"v8::internal::Builtin_HandleApiCall(int, v8::internal::Object**, v8::internal::Isolate*) [./node]"</span> 263 <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span> 264 <span class="hljs-punctuation">{</span> 265 <span class="hljs-attr">"pc"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"0x000055b57feeda0e"</span><span class="hljs-punctuation">,</span> 266 <span class="hljs-attr">"symbol"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">" [./node]"</span> 267 <span class="hljs-punctuation">}</span> 268 <span class="hljs-punctuation">]</span><span class="hljs-punctuation">,</span> 269 <span class="hljs-attr">"javascriptHeap"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span> 270 <span class="hljs-attr">"totalMemory"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">6127616</span><span class="hljs-punctuation">,</span> 271 <span class="hljs-attr">"totalCommittedMemory"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">4357352</span><span class="hljs-punctuation">,</span> 272 <span class="hljs-attr">"usedMemory"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">3221136</span><span class="hljs-punctuation">,</span> 273 <span class="hljs-attr">"availableMemory"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">1521370240</span><span class="hljs-punctuation">,</span> 274 <span class="hljs-attr">"memoryLimit"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">1526909922</span><span class="hljs-punctuation">,</span> 275 <span class="hljs-attr">"heapSpaces"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span> 276 <span class="hljs-attr">"read_only_space"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span> 277 <span class="hljs-attr">"memorySize"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">524288</span><span class="hljs-punctuation">,</span> 278 <span class="hljs-attr">"committedMemory"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">39208</span><span class="hljs-punctuation">,</span> 279 <span class="hljs-attr">"capacity"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">515584</span><span class="hljs-punctuation">,</span> 280 <span class="hljs-attr">"used"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">30504</span><span class="hljs-punctuation">,</span> 281 <span class="hljs-attr">"available"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">485080</span> 282 <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span> 283 <span class="hljs-attr">"new_space"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span> 284 <span class="hljs-attr">"memorySize"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">2097152</span><span class="hljs-punctuation">,</span> 285 <span class="hljs-attr">"committedMemory"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">2019312</span><span class="hljs-punctuation">,</span> 286 <span class="hljs-attr">"capacity"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">1031168</span><span class="hljs-punctuation">,</span> 287 <span class="hljs-attr">"used"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">985496</span><span class="hljs-punctuation">,</span> 288 <span class="hljs-attr">"available"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">45672</span> 289 <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span> 290 <span class="hljs-attr">"old_space"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span> 291 <span class="hljs-attr">"memorySize"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">2273280</span><span class="hljs-punctuation">,</span> 292 <span class="hljs-attr">"committedMemory"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">1769008</span><span class="hljs-punctuation">,</span> 293 <span class="hljs-attr">"capacity"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">1974640</span><span class="hljs-punctuation">,</span> 294 <span class="hljs-attr">"used"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">1725488</span><span class="hljs-punctuation">,</span> 295 <span class="hljs-attr">"available"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">249152</span> 296 <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span> 297 <span class="hljs-attr">"code_space"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span> 298 <span class="hljs-attr">"memorySize"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">696320</span><span class="hljs-punctuation">,</span> 299 <span class="hljs-attr">"committedMemory"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">184896</span><span class="hljs-punctuation">,</span> 300 <span class="hljs-attr">"capacity"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">152128</span><span class="hljs-punctuation">,</span> 301 <span class="hljs-attr">"used"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">152128</span><span class="hljs-punctuation">,</span> 302 <span class="hljs-attr">"available"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">0</span> 303 <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span> 304 <span class="hljs-attr">"map_space"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span> 305 <span class="hljs-attr">"memorySize"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">536576</span><span class="hljs-punctuation">,</span> 306 <span class="hljs-attr">"committedMemory"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">344928</span><span class="hljs-punctuation">,</span> 307 <span class="hljs-attr">"capacity"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">327520</span><span class="hljs-punctuation">,</span> 308 <span class="hljs-attr">"used"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">327520</span><span class="hljs-punctuation">,</span> 309 <span class="hljs-attr">"available"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">0</span> 310 <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span> 311 <span class="hljs-attr">"large_object_space"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span> 312 <span class="hljs-attr">"memorySize"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">0</span><span class="hljs-punctuation">,</span> 313 <span class="hljs-attr">"committedMemory"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">0</span><span class="hljs-punctuation">,</span> 314 <span class="hljs-attr">"capacity"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">1520590336</span><span class="hljs-punctuation">,</span> 315 <span class="hljs-attr">"used"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">0</span><span class="hljs-punctuation">,</span> 316 <span class="hljs-attr">"available"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">1520590336</span> 317 <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span> 318 <span class="hljs-attr">"new_large_object_space"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span> 319 <span class="hljs-attr">"memorySize"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">0</span><span class="hljs-punctuation">,</span> 320 <span class="hljs-attr">"committedMemory"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">0</span><span class="hljs-punctuation">,</span> 321 <span class="hljs-attr">"capacity"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">0</span><span class="hljs-punctuation">,</span> 322 <span class="hljs-attr">"used"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">0</span><span class="hljs-punctuation">,</span> 323 <span class="hljs-attr">"available"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">0</span> 324 <span class="hljs-punctuation">}</span> 325 <span class="hljs-punctuation">}</span> 326 <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span> 327 <span class="hljs-attr">"resourceUsage"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span> 328 <span class="hljs-attr">"userCpuSeconds"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">0.069595</span><span class="hljs-punctuation">,</span> 329 <span class="hljs-attr">"kernelCpuSeconds"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">0.019163</span><span class="hljs-punctuation">,</span> 330 <span class="hljs-attr">"cpuConsumptionPercent"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">0.000000</span><span class="hljs-punctuation">,</span> 331 <span class="hljs-attr">"maxRss"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">18079744</span><span class="hljs-punctuation">,</span> 332 <span class="hljs-attr">"pageFaults"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span> 333 <span class="hljs-attr">"IORequired"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">0</span><span class="hljs-punctuation">,</span> 334 <span class="hljs-attr">"IONotRequired"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">4610</span> 335 <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span> 336 <span class="hljs-attr">"fsActivity"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span> 337 <span class="hljs-attr">"reads"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">0</span><span class="hljs-punctuation">,</span> 338 <span class="hljs-attr">"writes"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">0</span> 339 <span class="hljs-punctuation">}</span> 340 <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span> 341 <span class="hljs-attr">"uvthreadResourceUsage"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span> 342 <span class="hljs-attr">"userCpuSeconds"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">0.068457</span><span class="hljs-punctuation">,</span> 343 <span class="hljs-attr">"kernelCpuSeconds"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">0.019127</span><span class="hljs-punctuation">,</span> 344 <span class="hljs-attr">"cpuConsumptionPercent"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">0.000000</span><span class="hljs-punctuation">,</span> 345 <span class="hljs-attr">"fsActivity"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span> 346 <span class="hljs-attr">"reads"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">0</span><span class="hljs-punctuation">,</span> 347 <span class="hljs-attr">"writes"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">0</span> 348 <span class="hljs-punctuation">}</span> 349 <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span> 350 <span class="hljs-attr">"libuv"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">[</span> 351 <span class="hljs-punctuation">{</span> 352 <span class="hljs-attr">"type"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"async"</span><span class="hljs-punctuation">,</span> 353 <span class="hljs-attr">"is_active"</span><span class="hljs-punctuation">:</span> <span class="hljs-keyword">true</span><span class="hljs-punctuation">,</span> 354 <span class="hljs-attr">"is_referenced"</span><span class="hljs-punctuation">:</span> <span class="hljs-keyword">false</span><span class="hljs-punctuation">,</span> 355 <span class="hljs-attr">"address"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"0x0000000102910900"</span><span class="hljs-punctuation">,</span> 356 <span class="hljs-attr">"details"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">""</span> 357 <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span> 358 <span class="hljs-punctuation">{</span> 359 <span class="hljs-attr">"type"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"timer"</span><span class="hljs-punctuation">,</span> 360 <span class="hljs-attr">"is_active"</span><span class="hljs-punctuation">:</span> <span class="hljs-keyword">false</span><span class="hljs-punctuation">,</span> 361 <span class="hljs-attr">"is_referenced"</span><span class="hljs-punctuation">:</span> <span class="hljs-keyword">false</span><span class="hljs-punctuation">,</span> 362 <span class="hljs-attr">"address"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"0x00007fff5fbfeab0"</span><span class="hljs-punctuation">,</span> 363 <span class="hljs-attr">"repeat"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">0</span><span class="hljs-punctuation">,</span> 364 <span class="hljs-attr">"firesInMsFromNow"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">94403548320796</span><span class="hljs-punctuation">,</span> 365 <span class="hljs-attr">"expired"</span><span class="hljs-punctuation">:</span> <span class="hljs-keyword">true</span> 366 <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span> 367 <span class="hljs-punctuation">{</span> 368 <span class="hljs-attr">"type"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"check"</span><span class="hljs-punctuation">,</span> 369 <span class="hljs-attr">"is_active"</span><span class="hljs-punctuation">:</span> <span class="hljs-keyword">true</span><span class="hljs-punctuation">,</span> 370 <span class="hljs-attr">"is_referenced"</span><span class="hljs-punctuation">:</span> <span class="hljs-keyword">false</span><span class="hljs-punctuation">,</span> 371 <span class="hljs-attr">"address"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"0x00007fff5fbfeb48"</span> 372 <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span> 373 <span class="hljs-punctuation">{</span> 374 <span class="hljs-attr">"type"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"idle"</span><span class="hljs-punctuation">,</span> 375 <span class="hljs-attr">"is_active"</span><span class="hljs-punctuation">:</span> <span class="hljs-keyword">false</span><span class="hljs-punctuation">,</span> 376 <span class="hljs-attr">"is_referenced"</span><span class="hljs-punctuation">:</span> <span class="hljs-keyword">true</span><span class="hljs-punctuation">,</span> 377 <span class="hljs-attr">"address"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"0x00007fff5fbfebc0"</span> 378 <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span> 379 <span class="hljs-punctuation">{</span> 380 <span class="hljs-attr">"type"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"prepare"</span><span class="hljs-punctuation">,</span> 381 <span class="hljs-attr">"is_active"</span><span class="hljs-punctuation">:</span> <span class="hljs-keyword">false</span><span class="hljs-punctuation">,</span> 382 <span class="hljs-attr">"is_referenced"</span><span class="hljs-punctuation">:</span> <span class="hljs-keyword">false</span><span class="hljs-punctuation">,</span> 383 <span class="hljs-attr">"address"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"0x00007fff5fbfec38"</span> 384 <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span> 385 <span class="hljs-punctuation">{</span> 386 <span class="hljs-attr">"type"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"check"</span><span class="hljs-punctuation">,</span> 387 <span class="hljs-attr">"is_active"</span><span class="hljs-punctuation">:</span> <span class="hljs-keyword">false</span><span class="hljs-punctuation">,</span> 388 <span class="hljs-attr">"is_referenced"</span><span class="hljs-punctuation">:</span> <span class="hljs-keyword">false</span><span class="hljs-punctuation">,</span> 389 <span class="hljs-attr">"address"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"0x00007fff5fbfecb0"</span> 390 <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span> 391 <span class="hljs-punctuation">{</span> 392 <span class="hljs-attr">"type"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"async"</span><span class="hljs-punctuation">,</span> 393 <span class="hljs-attr">"is_active"</span><span class="hljs-punctuation">:</span> <span class="hljs-keyword">true</span><span class="hljs-punctuation">,</span> 394 <span class="hljs-attr">"is_referenced"</span><span class="hljs-punctuation">:</span> <span class="hljs-keyword">false</span><span class="hljs-punctuation">,</span> 395 <span class="hljs-attr">"address"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"0x000000010188f2e0"</span> 396 <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span> 397 <span class="hljs-punctuation">{</span> 398 <span class="hljs-attr">"type"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"tty"</span><span class="hljs-punctuation">,</span> 399 <span class="hljs-attr">"is_active"</span><span class="hljs-punctuation">:</span> <span class="hljs-keyword">false</span><span class="hljs-punctuation">,</span> 400 <span class="hljs-attr">"is_referenced"</span><span class="hljs-punctuation">:</span> <span class="hljs-keyword">true</span><span class="hljs-punctuation">,</span> 401 <span class="hljs-attr">"address"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"0x000055b581db0e18"</span><span class="hljs-punctuation">,</span> 402 <span class="hljs-attr">"width"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">204</span><span class="hljs-punctuation">,</span> 403 <span class="hljs-attr">"height"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">55</span><span class="hljs-punctuation">,</span> 404 <span class="hljs-attr">"fd"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">17</span><span class="hljs-punctuation">,</span> 405 <span class="hljs-attr">"writeQueueSize"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">0</span><span class="hljs-punctuation">,</span> 406 <span class="hljs-attr">"readable"</span><span class="hljs-punctuation">:</span> <span class="hljs-keyword">true</span><span class="hljs-punctuation">,</span> 407 <span class="hljs-attr">"writable"</span><span class="hljs-punctuation">:</span> <span class="hljs-keyword">true</span> 408 <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span> 409 <span class="hljs-punctuation">{</span> 410 <span class="hljs-attr">"type"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"signal"</span><span class="hljs-punctuation">,</span> 411 <span class="hljs-attr">"is_active"</span><span class="hljs-punctuation">:</span> <span class="hljs-keyword">true</span><span class="hljs-punctuation">,</span> 412 <span class="hljs-attr">"is_referenced"</span><span class="hljs-punctuation">:</span> <span 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class="hljs-attr">"is_referenced"</span><span class="hljs-punctuation">:</span> <span class="hljs-keyword">true</span><span class="hljs-punctuation">,</span> 421 <span class="hljs-attr">"address"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"0x000055b581df59f8"</span><span class="hljs-punctuation">,</span> 422 <span class="hljs-attr">"width"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">204</span><span class="hljs-punctuation">,</span> 423 <span class="hljs-attr">"height"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">55</span><span class="hljs-punctuation">,</span> 424 <span class="hljs-attr">"fd"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">19</span><span class="hljs-punctuation">,</span> 425 <span class="hljs-attr">"writeQueueSize"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">0</span><span class="hljs-punctuation">,</span> 426 <span class="hljs-attr">"readable"</span><span class="hljs-punctuation">:</span> <span class="hljs-keyword">true</span><span class="hljs-punctuation">,</span> 427 <span class="hljs-attr">"writable"</span><span class="hljs-punctuation">:</span> <span class="hljs-keyword">true</span> 428 <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span> 429 <span class="hljs-punctuation">{</span> 430 <span class="hljs-attr">"type"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"loop"</span><span class="hljs-punctuation">,</span> 431 <span class="hljs-attr">"is_active"</span><span class="hljs-punctuation">:</span> <span class="hljs-keyword">true</span><span class="hljs-punctuation">,</span> 432 <span class="hljs-attr">"address"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"0x000055fc7b2cb180"</span><span class="hljs-punctuation">,</span> 433 <span class="hljs-attr">"loopIdleTimeSeconds"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">22644.8</span> 434 <span class="hljs-punctuation">}</span> 435 <span class="hljs-punctuation">]</span><span class="hljs-punctuation">,</span> 436 <span class="hljs-attr">"workers"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">[</span><span class="hljs-punctuation">]</span><span class="hljs-punctuation">,</span> 437 <span class="hljs-attr">"environmentVariables"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span> 438 <span class="hljs-attr">"REMOTEHOST"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"REMOVED"</span><span class="hljs-punctuation">,</span> 439 <span class="hljs-attr">"MANPATH"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"/opt/rh/devtoolset-3/root/usr/share/man:"</span><span class="hljs-punctuation">,</span> 440 <span class="hljs-attr">"XDG_SESSION_ID"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"66126"</span><span class="hljs-punctuation">,</span> 441 <span class="hljs-attr">"HOSTNAME"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"test_machine"</span><span class="hljs-punctuation">,</span> 442 <span class="hljs-attr">"HOST"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"test_machine"</span><span class="hljs-punctuation">,</span> 443 <span class="hljs-attr">"TERM"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"xterm-256color"</span><span class="hljs-punctuation">,</span> 444 <span class="hljs-attr">"SHELL"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"/bin/csh"</span><span class="hljs-punctuation">,</span> 445 <span class="hljs-attr">"SSH_CLIENT"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"REMOVED"</span><span class="hljs-punctuation">,</span> 446 <span class="hljs-attr">"PERL5LIB"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"/opt/rh/devtoolset-3/root//usr/lib64/perl5/vendor_perl:/opt/rh/devtoolset-3/root/usr/lib/perl5:/opt/rh/devtoolset-3/root//usr/share/perl5/vendor_perl"</span><span class="hljs-punctuation">,</span> 447 <span class="hljs-attr">"OLDPWD"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"/home/nodeuser/project/node/src"</span><span class="hljs-punctuation">,</span> 448 <span class="hljs-attr">"JAVACONFDIRS"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"/opt/rh/devtoolset-3/root/etc/java:/etc/java"</span><span class="hljs-punctuation">,</span> 449 <span class="hljs-attr">"SSH_TTY"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"/dev/pts/0"</span><span class="hljs-punctuation">,</span> 450 <span class="hljs-attr">"PCP_DIR"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"/opt/rh/devtoolset-3/root"</span><span class="hljs-punctuation">,</span> 451 <span class="hljs-attr">"GROUP"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"normaluser"</span><span class="hljs-punctuation">,</span> 452 <span class="hljs-attr">"USER"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"nodeuser"</span><span class="hljs-punctuation">,</span> 453 <span class="hljs-attr">"LD_LIBRARY_PATH"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"/opt/rh/devtoolset-3/root/usr/lib64:/opt/rh/devtoolset-3/root/usr/lib"</span><span class="hljs-punctuation">,</span> 454 <span class="hljs-attr">"HOSTTYPE"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"x86_64-linux"</span><span class="hljs-punctuation">,</span> 455 <span class="hljs-attr">"XDG_CONFIG_DIRS"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"/opt/rh/devtoolset-3/root/etc/xdg:/etc/xdg"</span><span class="hljs-punctuation">,</span> 456 <span class="hljs-attr">"MAIL"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"/var/spool/mail/nodeuser"</span><span class="hljs-punctuation">,</span> 457 <span class="hljs-attr">"PATH"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"/home/nodeuser/project/node:/opt/rh/devtoolset-3/root/usr/bin:/usr/local/bin:/usr/bin:/usr/local/sbin:/usr/sbin"</span><span class="hljs-punctuation">,</span> 458 <span class="hljs-attr">"PWD"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"/home/nodeuser/project/node"</span><span class="hljs-punctuation">,</span> 459 <span class="hljs-attr">"LANG"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"en_US.UTF-8"</span><span class="hljs-punctuation">,</span> 460 <span class="hljs-attr">"PS1"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"\\u@\\h : \\[\\e[31m\\]\\w\\[\\e[m\\] > "</span><span class="hljs-punctuation">,</span> 461 <span class="hljs-attr">"SHLVL"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"2"</span><span class="hljs-punctuation">,</span> 462 <span class="hljs-attr">"HOME"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"/home/nodeuser"</span><span class="hljs-punctuation">,</span> 463 <span class="hljs-attr">"OSTYPE"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"linux"</span><span class="hljs-punctuation">,</span> 464 <span class="hljs-attr">"VENDOR"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"unknown"</span><span class="hljs-punctuation">,</span> 465 <span class="hljs-attr">"PYTHONPATH"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"/opt/rh/devtoolset-3/root/usr/lib64/python2.7/site-packages:/opt/rh/devtoolset-3/root/usr/lib/python2.7/site-packages"</span><span class="hljs-punctuation">,</span> 466 <span class="hljs-attr">"MACHTYPE"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"x86_64"</span><span class="hljs-punctuation">,</span> 467 <span class="hljs-attr">"LOGNAME"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"nodeuser"</span><span class="hljs-punctuation">,</span> 468 <span class="hljs-attr">"XDG_DATA_DIRS"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"/opt/rh/devtoolset-3/root/usr/share:/usr/local/share:/usr/share"</span><span class="hljs-punctuation">,</span> 469 <span class="hljs-attr">"LESSOPEN"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"||/usr/bin/lesspipe.sh %s"</span><span class="hljs-punctuation">,</span> 470 <span class="hljs-attr">"INFOPATH"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"/opt/rh/devtoolset-3/root/usr/share/info"</span><span class="hljs-punctuation">,</span> 471 <span class="hljs-attr">"XDG_RUNTIME_DIR"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"/run/user/50141"</span><span class="hljs-punctuation">,</span> 472 <span class="hljs-attr">"_"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"./node"</span> 473 <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span> 474 <span class="hljs-attr">"userLimits"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span> 475 <span class="hljs-attr">"core_file_size_blocks"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span> 476 <span class="hljs-attr">"soft"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">""</span><span class="hljs-punctuation">,</span> 477 <span class="hljs-attr">"hard"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"unlimited"</span> 478 <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span> 479 <span class="hljs-attr">"data_seg_size_kbytes"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span> 480 <span class="hljs-attr">"soft"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"unlimited"</span><span class="hljs-punctuation">,</span> 481 <span class="hljs-attr">"hard"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"unlimited"</span> 482 <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span> 483 <span class="hljs-attr">"file_size_blocks"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span> 484 <span class="hljs-attr">"soft"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"unlimited"</span><span class="hljs-punctuation">,</span> 485 <span class="hljs-attr">"hard"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"unlimited"</span> 486 <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span> 487 <span class="hljs-attr">"max_locked_memory_bytes"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span> 488 <span class="hljs-attr">"soft"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"unlimited"</span><span class="hljs-punctuation">,</span> 489 <span class="hljs-attr">"hard"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">65536</span> 490 <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span> 491 <span class="hljs-attr">"max_memory_size_kbytes"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span> 492 <span class="hljs-attr">"soft"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"unlimited"</span><span class="hljs-punctuation">,</span> 493 <span class="hljs-attr">"hard"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"unlimited"</span> 494 <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span> 495 <span class="hljs-attr">"open_files"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span> 496 <span class="hljs-attr">"soft"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"unlimited"</span><span class="hljs-punctuation">,</span> 497 <span class="hljs-attr">"hard"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">4096</span> 498 <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span> 499 <span class="hljs-attr">"stack_size_bytes"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span> 500 <span class="hljs-attr">"soft"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"unlimited"</span><span class="hljs-punctuation">,</span> 501 <span class="hljs-attr">"hard"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"unlimited"</span> 502 <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span> 503 <span class="hljs-attr">"cpu_time_seconds"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span> 504 <span class="hljs-attr">"soft"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"unlimited"</span><span class="hljs-punctuation">,</span> 505 <span class="hljs-attr">"hard"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"unlimited"</span> 506 <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span> 507 <span class="hljs-attr">"max_user_processes"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span> 508 <span class="hljs-attr">"soft"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"unlimited"</span><span class="hljs-punctuation">,</span> 509 <span class="hljs-attr">"hard"</span><span class="hljs-punctuation">:</span> <span class="hljs-number">4127290</span> 510 <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span> 511 <span class="hljs-attr">"virtual_memory_kbytes"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span> 512 <span class="hljs-attr">"soft"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"unlimited"</span><span class="hljs-punctuation">,</span> 513 <span class="hljs-attr">"hard"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"unlimited"</span> 514 <span class="hljs-punctuation">}</span> 515 <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span> 516 <span class="hljs-attr">"sharedObjects"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">[</span> 517 <span class="hljs-string">"/lib64/libdl.so.2"</span><span class="hljs-punctuation">,</span> 518 <span class="hljs-string">"/lib64/librt.so.1"</span><span class="hljs-punctuation">,</span> 519 <span class="hljs-string">"/lib64/libstdc++.so.6"</span><span class="hljs-punctuation">,</span> 520 <span class="hljs-string">"/lib64/libm.so.6"</span><span class="hljs-punctuation">,</span> 521 <span class="hljs-string">"/lib64/libgcc_s.so.1"</span><span class="hljs-punctuation">,</span> 522 <span class="hljs-string">"/lib64/libpthread.so.0"</span><span class="hljs-punctuation">,</span> 523 <span class="hljs-string">"/lib64/libc.so.6"</span><span class="hljs-punctuation">,</span> 524 <span class="hljs-string">"/lib64/ld-linux-x86-64.so.2"</span> 525 <span class="hljs-punctuation">]</span> 526<span class="hljs-punctuation">}</span></code></pre> 527<section><h3>Usage<span><a class="mark" href="#report_usage" id="report_usage">#</a></span></h3> 528<pre><code class="language-bash">node --report-uncaught-exception --report-on-signal \ 529--report-on-fatalerror app.js</code></pre> 530<ul> 531<li> 532<p><code>--report-uncaught-exception</code> Enables report to be generated on 533un-caught exceptions. Useful when inspecting JavaScript stack in conjunction 534with native stack and other runtime environment data.</p> 535</li> 536<li> 537<p><code>--report-on-signal</code> Enables report to be generated upon receiving 538the specified (or predefined) signal to the running Node.js process. (See 539below on how to modify the signal that triggers the report.) Default signal is 540<code>SIGUSR2</code>. Useful when a report needs to be triggered from another program. 541Application monitors may leverage this feature to collect report at regular 542intervals and plot rich set of internal runtime data to their views.</p> 543</li> 544</ul> 545<p>Signal based report generation is not supported in Windows.</p> 546<p>Under normal circumstances, there is no need to modify the report triggering 547signal. However, if <code>SIGUSR2</code> is already used for other purposes, then this 548flag helps to change the signal for report generation and preserve the original 549meaning of <code>SIGUSR2</code> for the said purposes.</p> 550<ul> 551<li> 552<p><code>--report-on-fatalerror</code> Enables the report to be triggered on fatal errors 553(internal errors within the Node.js runtime, such as out of memory) 554that leads to termination of the application. Useful to inspect various 555diagnostic data elements such as heap, stack, event loop state, resource 556consumption etc. to reason about the fatal error.</p> 557</li> 558<li> 559<p><code>--report-compact</code> Write reports in a compact format, single-line JSON, more 560easily consumable by log processing systems than the default multi-line format 561designed for human consumption.</p> 562</li> 563<li> 564<p><code>--report-directory</code> Location at which the report will be 565generated.</p> 566</li> 567<li> 568<p><code>--report-filename</code> Name of the file to which the report will be 569written.</p> 570</li> 571<li> 572<p><code>--report-signal</code> Sets or resets the signal for report generation 573(not supported on Windows). Default signal is <code>SIGUSR2</code>.</p> 574</li> 575</ul> 576<p>A report can also be triggered via an API call from a JavaScript application:</p> 577<pre><code class="language-js">process.<span class="hljs-property">report</span>.<span class="hljs-title function_">writeReport</span>();</code></pre> 578<p>This function takes an optional additional argument <code>filename</code>, which is 579the name of a file into which the report is written.</p> 580<pre><code class="language-js">process.<span class="hljs-property">report</span>.<span class="hljs-title function_">writeReport</span>(<span class="hljs-string">'./foo.json'</span>);</code></pre> 581<p>This function takes an optional additional argument <code>err</code> which is an <code>Error</code> 582object that will be used as the context for the JavaScript stack printed in the 583report. When using report to handle errors in a callback or an exception 584handler, this allows the report to include the location of the original error as 585well as where it was handled.</p> 586<pre><code class="language-js"><span class="hljs-keyword">try</span> { 587 process.<span class="hljs-title function_">chdir</span>(<span class="hljs-string">'/non-existent-path'</span>); 588} <span class="hljs-keyword">catch</span> (err) { 589 process.<span class="hljs-property">report</span>.<span class="hljs-title function_">writeReport</span>(err); 590} 591<span class="hljs-comment">// Any other code</span></code></pre> 592<p>If both filename and error object are passed to <code>writeReport()</code> the 593error object must be the second parameter.</p> 594<pre><code class="language-js"><span class="hljs-keyword">try</span> { 595 process.<span class="hljs-title function_">chdir</span>(<span class="hljs-string">'/non-existent-path'</span>); 596} <span class="hljs-keyword">catch</span> (err) { 597 process.<span class="hljs-property">report</span>.<span class="hljs-title function_">writeReport</span>(filename, err); 598} 599<span class="hljs-comment">// Any other code</span></code></pre> 600<p>The content of the diagnostic report can be returned as a JavaScript Object 601via an API call from a JavaScript application:</p> 602<pre><code class="language-js"><span class="hljs-keyword">const</span> report = process.<span class="hljs-property">report</span>.<span class="hljs-title function_">getReport</span>(); 603<span class="hljs-variable language_">console</span>.<span class="hljs-title function_">log</span>(<span class="hljs-keyword">typeof</span> report === <span class="hljs-string">'object'</span>); <span class="hljs-comment">// true</span> 604 605<span class="hljs-comment">// Similar to process.report.writeReport() output</span> 606<span class="hljs-variable language_">console</span>.<span class="hljs-title function_">log</span>(<span class="hljs-variable constant_">JSON</span>.<span class="hljs-title function_">stringify</span>(report, <span class="hljs-literal">null</span>, <span class="hljs-number">2</span>));</code></pre> 607<p>This function takes an optional additional argument <code>err</code>, which is an <code>Error</code> 608object that will be used as the context for the JavaScript stack printed in the 609report.</p> 610<pre><code class="language-js"><span class="hljs-keyword">const</span> report = process.<span class="hljs-property">report</span>.<span class="hljs-title function_">getReport</span>(<span class="hljs-keyword">new</span> <span class="hljs-title class_">Error</span>(<span class="hljs-string">'custom error'</span>)); 611<span class="hljs-variable language_">console</span>.<span class="hljs-title function_">log</span>(<span class="hljs-keyword">typeof</span> report === <span class="hljs-string">'object'</span>); <span class="hljs-comment">// true</span></code></pre> 612<p>The API versions are useful when inspecting the runtime state from within 613the application, in expectation of self-adjusting the resource consumption, 614load balancing, monitoring etc.</p> 615<p>The content of the report consists of a header section containing the event 616type, date, time, PID and Node.js version, sections containing JavaScript and 617native stack traces, a section containing V8 heap information, a section 618containing <code>libuv</code> handle information and an OS platform information section 619showing CPU and memory usage and system limits. An example report can be 620triggered using the Node.js REPL:</p> 621<pre><code class="language-console"><span class="hljs-meta">$ </span><span class="language-bash">node</span> 622<span class="hljs-meta">> </span><span class="language-bash">process.report.writeReport();</span> 623Writing Node.js report to file: report.20181126.091102.8480.0.001.json 624Node.js report completed 625<span class="hljs-meta">></span></code></pre> 626<p>When a report is written, start and end messages are issued to stderr 627and the filename of the report is returned to the caller. The default filename 628includes the date, time, PID and a sequence number. The sequence number helps 629in associating the report dump with the runtime state if generated multiple 630times for the same Node.js process.</p> 631</section><section><h3>Configuration<span><a class="mark" href="#report_configuration" id="report_configuration">#</a></span></h3> 632<p>Additional runtime configuration of report generation is available via 633the following properties of <code>process.report</code>:</p> 634<p><code>reportOnFatalError</code> triggers diagnostic reporting on fatal errors when <code>true</code>. 635Defaults to <code>false</code>.</p> 636<p><code>reportOnSignal</code> triggers diagnostic reporting on signal when <code>true</code>. This is 637not supported on Windows. Defaults to <code>false</code>.</p> 638<p><code>reportOnUncaughtException</code> triggers diagnostic reporting on uncaught exception 639when <code>true</code>. Defaults to <code>false</code>.</p> 640<p><code>signal</code> specifies the POSIX signal identifier that will be used 641to intercept external triggers for report generation. Defaults to 642<code>'SIGUSR2'</code>.</p> 643<p><code>filename</code> specifies the name of the output file in the file system. 644Special meaning is attached to <code>stdout</code> and <code>stderr</code>. Usage of these 645will result in report being written to the associated standard streams. 646In cases where standard streams are used, the value in <code>directory</code> is ignored. 647URLs are not supported. Defaults to a composite filename that contains 648timestamp, PID and sequence number.</p> 649<p><code>directory</code> specifies the filesystem directory where the report will be written. 650URLs are not supported. Defaults to the current working directory of the 651Node.js process.</p> 652<pre><code class="language-js"><span class="hljs-comment">// Trigger report only on uncaught exceptions.</span> 653process.<span class="hljs-property">report</span>.<span class="hljs-property">reportOnFatalError</span> = <span class="hljs-literal">false</span>; 654process.<span class="hljs-property">report</span>.<span class="hljs-property">reportOnSignal</span> = <span class="hljs-literal">false</span>; 655process.<span class="hljs-property">report</span>.<span class="hljs-property">reportOnUncaughtException</span> = <span class="hljs-literal">true</span>; 656 657<span class="hljs-comment">// Trigger report for both internal errors as well as external signal.</span> 658process.<span class="hljs-property">report</span>.<span class="hljs-property">reportOnFatalError</span> = <span class="hljs-literal">true</span>; 659process.<span class="hljs-property">report</span>.<span class="hljs-property">reportOnSignal</span> = <span class="hljs-literal">true</span>; 660process.<span class="hljs-property">report</span>.<span class="hljs-property">reportOnUncaughtException</span> = <span class="hljs-literal">false</span>; 661 662<span class="hljs-comment">// Change the default signal to 'SIGQUIT' and enable it.</span> 663process.<span class="hljs-property">report</span>.<span class="hljs-property">reportOnFatalError</span> = <span class="hljs-literal">false</span>; 664process.<span class="hljs-property">report</span>.<span class="hljs-property">reportOnUncaughtException</span> = <span class="hljs-literal">false</span>; 665process.<span class="hljs-property">report</span>.<span class="hljs-property">reportOnSignal</span> = <span class="hljs-literal">true</span>; 666process.<span class="hljs-property">report</span>.<span class="hljs-property">signal</span> = <span class="hljs-string">'SIGQUIT'</span>;</code></pre> 667<p>Configuration on module initialization is also available via 668environment variables:</p> 669<pre><code class="language-bash">NODE_OPTIONS=<span class="hljs-string">"--report-uncaught-exception \ 670 --report-on-fatalerror --report-on-signal \ 671 --report-signal=SIGUSR2 --report-filename=./report.json \ 672 --report-directory=/home/nodeuser"</span></code></pre> 673<p>Specific API documentation can be found under 674<a href="process.html"><code>process API documentation</code></a> section.</p> 675</section><section><h3>Interaction with workers<span><a class="mark" href="#report_interaction_with_workers" id="report_interaction_with_workers">#</a></span></h3> 676<div class="api_metadata"> 677<details class="changelog"><summary>History</summary> 678<table> 679<tbody><tr><th>Version</th><th>Changes</th></tr> 680<tr><td>v13.9.0, v12.16.2</td> 681<td><p>Workers are now included in the report.</p></td></tr> 682</tbody></table> 683</details> 684</div> 685<p><a href="worker_threads.html"><code>Worker</code></a> threads can create reports in the same way that the main thread 686does.</p> 687<p>Reports will include information on any Workers that are children of the current 688thread as part of the <code>workers</code> section, with each Worker generating a report 689in the standard report format.</p> 690<p>The thread which is generating the report will wait for the reports from Worker 691threads to finish. However, the latency for this will usually be low, as both 692running JavaScript and the event loop are interrupted to generate the report.</p></section> 693 <!-- API END --> 694 </div> 695 </div> 696 </div> 697 <script> 698 'use strict'; 699 { 700 const kCustomPreference = 'customDarkTheme'; 701 const userSettings = sessionStorage.getItem(kCustomPreference); 702 const themeToggleButton = document.getElementById('theme-toggle-btn'); 703 if (userSettings === null && window.matchMedia) { 704 const mq = window.matchMedia('(prefers-color-scheme: dark)'); 705 if ('onchange' in mq) { 706 function mqChangeListener(e) { 707 document.body.classList.toggle('dark-mode', e.matches); 708 } 709 mq.addEventListener('change', mqChangeListener); 710 if (themeToggleButton) { 711 themeToggleButton.addEventListener('click', function() { 712 mq.removeEventListener('change', mqChangeListener); 713 }, { once: true }); 714 } 715 } 716 if (mq.matches) { 717 document.body.classList.add('dark-mode'); 718 } 719 } else if (userSettings === 'true') { 720 document.body.classList.add('dark-mode'); 721 } 722 if (themeToggleButton) { 723 themeToggleButton.hidden = false; 724 themeToggleButton.addEventListener('click', function() { 725 sessionStorage.setItem( 726 kCustomPreference, 727 document.body.classList.toggle('dark-mode') 728 ); 729 }); 730 } 731 } 732 </script> 733</body> 734</html> 735