|
|
|
|
|
|
|
|
<!DOCTYPE html>
|
|
|
<!--[if IE 8]><html class="no-js lt-ie9" lang="zh-CN" > <![endif]-->
|
|
|
<!--[if gt IE 8]><!--> <html class="no-js" lang="zh-CN" > <!--<![endif]-->
|
|
|
<head>
|
|
|
<meta charset="utf-8">
|
|
|
|
|
|
<meta name="viewport" content="width=device-width, initial-scale=1.0">
|
|
|
|
|
|
<title>jvm — Arthas 3.0.5-SNAPSHOT 文档</title>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<link rel="shortcut icon" href="_static/favicon.ico"/>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<link rel="stylesheet" href="_static/css/theme.css" type="text/css" />
|
|
|
<link rel="stylesheet" href="_static/pygments.css" type="text/css" />
|
|
|
<link rel="stylesheet" href="_static/overrides.css" type="text/css" />
|
|
|
<link rel="index" title="索引" href="genindex.html" />
|
|
|
<link rel="search" title="搜索" href="search.html" />
|
|
|
<link rel="next" title="sysprop" href="sysprop.html" />
|
|
|
<link rel="prev" title="thread" href="thread.html" />
|
|
|
<script src="_static/center_page.js"></script>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<script src="_static/js/modernizr.min.js"></script>
|
|
|
|
|
|
</head>
|
|
|
|
|
|
<body class="wy-body-for-nav">
|
|
|
|
|
|
|
|
|
<div class="wy-grid-for-nav">
|
|
|
|
|
|
|
|
|
<nav data-toggle="wy-nav-shift" class="wy-nav-side">
|
|
|
<div class="wy-side-scroll">
|
|
|
<div class="wy-side-nav-search">
|
|
|
|
|
|
|
|
|
|
|
|
<a href="index.html" class="icon icon-home"> Arthas
|
|
|
|
|
|
|
|
|
|
|
|
</a>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<div class="version">
|
|
|
3.0.5-SNAPSHOT
|
|
|
</div>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<div role="search">
|
|
|
<form id="rtd-search-form" class="wy-form" action="search.html" method="get">
|
|
|
<input type="text" name="q" placeholder="Search docs" />
|
|
|
<input type="hidden" name="check_keywords" value="yes" />
|
|
|
<input type="hidden" name="area" value="default" />
|
|
|
</form>
|
|
|
</div>
|
|
|
|
|
|
|
|
|
</div>
|
|
|
|
|
|
<div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<ul class="current">
|
|
|
<li class="toctree-l1"><a class="reference external" href="https://alibaba.github.io/arthas/en/">English Docs</a></li>
|
|
|
<li class="toctree-l1"><a class="reference internal" href="install-detail.html">安装</a></li>
|
|
|
<li class="toctree-l1"><a class="reference internal" href="quick-start.html">快速入门</a></li>
|
|
|
<li class="toctree-l1"><a class="reference internal" href="advanced-use.html">进阶使用</a></li>
|
|
|
<li class="toctree-l1 current"><a class="reference internal" href="commands.html">命令列表</a><ul class="current">
|
|
|
<li class="toctree-l2"><a class="reference internal" href="dashboard.html">dashboard</a></li>
|
|
|
<li class="toctree-l2"><a class="reference internal" href="thread.html">thread</a></li>
|
|
|
<li class="toctree-l2 current"><a class="current reference internal" href="#">jvm</a><ul>
|
|
|
<li class="toctree-l3"><a class="reference internal" href="#">使用参考</a></li>
|
|
|
<li class="toctree-l3"><a class="reference internal" href="#thread">THREAD相关</a></li>
|
|
|
<li class="toctree-l3"><a class="reference internal" href="#">文件描述符相关</a></li>
|
|
|
</ul>
|
|
|
</li>
|
|
|
<li class="toctree-l2"><a class="reference internal" href="sysprop.html">sysprop</a></li>
|
|
|
<li class="toctree-l2"><a class="reference internal" href="getstatic.html">getstatic</a></li>
|
|
|
<li class="toctree-l2"><a class="reference internal" href="sc.html">sc</a></li>
|
|
|
<li class="toctree-l2"><a class="reference internal" href="sm.html">sm</a></li>
|
|
|
<li class="toctree-l2"><a class="reference internal" href="dump.html">dump</a></li>
|
|
|
<li class="toctree-l2"><a class="reference internal" href="jad.html">jad</a></li>
|
|
|
<li class="toctree-l2"><a class="reference internal" href="classloader.html">classloader</a></li>
|
|
|
<li class="toctree-l2"><a class="reference internal" href="redefine.html">redefine</a></li>
|
|
|
<li class="toctree-l2"><a class="reference internal" href="monitor.html">monitor</a></li>
|
|
|
<li class="toctree-l2"><a class="reference internal" href="watch.html">watch</a></li>
|
|
|
<li class="toctree-l2"><a class="reference internal" href="trace.html">trace</a></li>
|
|
|
<li class="toctree-l2"><a class="reference internal" href="stack.html">stack</a></li>
|
|
|
<li class="toctree-l2"><a class="reference internal" href="tt.html">tt</a></li>
|
|
|
<li class="toctree-l2"><a class="reference internal" href="options.html">options</a></li>
|
|
|
<li class="toctree-l2"><a class="reference internal" href="commands.html#arthas">Arthas 基础命令</a></li>
|
|
|
</ul>
|
|
|
</li>
|
|
|
<li class="toctree-l1"><a class="reference external" href="https://github.com/alibaba/arthas/issues?q=label%3Auser-case">用户案例</a></li>
|
|
|
<li class="toctree-l1"><a class="reference internal" href="release-notes.html">Release Notes</a></li>
|
|
|
<li class="toctree-l1"><a class="reference external" href="https://github.com/alibaba/arthas/issues?q=label%3Aquestion-answered">Questions and answers</a></li>
|
|
|
<li class="toctree-l1"><a class="reference external" href="https://github.com/alibaba/arthas">Fork me at GitHub</a></li>
|
|
|
<li class="toctree-l1"><a class="reference external" href="https://github.com/alibaba/arthas/blob/master/CONTRIBUTING.md">参与贡献</a></li>
|
|
|
</ul>
|
|
|
|
|
|
|
|
|
|
|
|
</div>
|
|
|
</div>
|
|
|
</nav>
|
|
|
|
|
|
<section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
|
|
|
|
|
|
|
|
|
<nav class="wy-nav-top" aria-label="top navigation">
|
|
|
|
|
|
<i data-toggle="wy-nav-top" class="fa fa-bars"></i>
|
|
|
<a href="index.html">Arthas</a>
|
|
|
|
|
|
</nav>
|
|
|
|
|
|
|
|
|
<div class="wy-nav-content">
|
|
|
|
|
|
<div class="rst-content">
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<div role="navigation" aria-label="breadcrumbs navigation">
|
|
|
|
|
|
<ul class="wy-breadcrumbs">
|
|
|
|
|
|
<li><a href="index.html">Docs</a> »</li>
|
|
|
|
|
|
<li><a href="commands.html">命令列表</a> »</li>
|
|
|
|
|
|
<li>jvm</li>
|
|
|
|
|
|
|
|
|
<li class="wy-breadcrumbs-aside">
|
|
|
|
|
|
|
|
|
|
|
|
<a href="https://github.com/alibaba/arthas/blob/master/site/src/site/sphinx/jvm.md" class="fa fa-github"> Edit on GitHub</a>
|
|
|
|
|
|
|
|
|
|
|
|
</li>
|
|
|
|
|
|
</ul>
|
|
|
|
|
|
|
|
|
<hr/>
|
|
|
</div>
|
|
|
<div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
|
|
|
<div itemprop="articleBody">
|
|
|
|
|
|
<div class="section" id="jvm">
|
|
|
<span id="jvm"></span><h1>jvm<a class="headerlink" href="#jvm" title="永久链接至标题">¶</a></h1>
|
|
|
<blockquote>
|
|
|
<div>查看当前JVM信息</div></blockquote>
|
|
|
<div class="section" id="">
|
|
|
<span id="id1"></span><h2>使用参考<a class="headerlink" href="#" title="永久链接至标题">¶</a></h2>
|
|
|
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>$ jvm
|
|
|
CATEGORY INFO
|
|
|
------------------------------------------------------------------------------------------------------------------------------------
|
|
|
|
|
|
RUNTIME MACHINE-NAME hellodeMacBook-Air.local
|
|
|
JVM-START-TIME 2015-12-23 10:54:18
|
|
|
MANAGEMENT-SPEC-VERSION 1.2
|
|
|
SPEC-NAME Java Virtual Machine Specification
|
|
|
SPEC-VENDOR Oracle Corporation
|
|
|
SPEC-VERSION 1.8
|
|
|
VM-NAME Java HotSpot(TM) 64-Bit Server VM
|
|
|
VM-VENDOR Oracle Corporation
|
|
|
VM-VERSION 25.60-b23
|
|
|
INPUT-ARGUMENTS -Xbootclasspath/a:/Users/hello/.jenv/versions/1.8/lib/tools.jar
|
|
|
-Djava.util.logging.config.file=/Users/hello/code/java/crash/packaging/target/
|
|
|
conf/logging.properties
|
|
|
|
|
|
CLASS-PATH /Users/hello/.jenv/versions/1.8/lib/tools.jar:/Users/hello/code/java/cras
|
|
|
h/packaging/target/bin/crash.cli-1.3.2-SNAPSHOT.jar::/Users/hello/code/java/cr
|
|
|
ash/packaging/target/lib/bcpkix-jdk15on-1.51.jar:/Users/hello/code/java/crash/
|
|
|
packaging/target/lib/bcprov-jdk15on-1.51.jar:/Users/hello/code/java/crash/pack
|
|
|
aging/target/lib/crash.connectors.ssh-1.3.2-SNAPSHOT-standalone.jar:/Users/hengyuna
|
|
|
bc/code/java/crash/packaging/target/lib/crash.connectors.telnet-1.3.2-SNAPSHOT-stan
|
|
|
dalone.jar:/Users/hello/code/java/crash/packaging/target/lib/crash.shell-1.3.2
|
|
|
-SNAPSHOT.jar:/Users/hello/code/java/crash/packaging/target/lib/groovy-all-1.8
|
|
|
.9.jar:/Users/hello/code/java/crash/packaging/target/lib/ivy-2.2.0.jar
|
|
|
BOOT-CLASS-PATH /Library/Java/JavaVirtualMachines/jdk1.8.0_60.jdk/Contents/Home/jre/lib/resources.j
|
|
|
ar:/Library/Java/JavaVirtualMachines/jdk1.8.0_60.jdk/Contents/Home/jre/lib/rt.jar:/
|
|
|
Library/Java/JavaVirtualMachines/jdk1.8.0_60.jdk/Contents/Home/jre/lib/sunrsasign.j
|
|
|
ar:/Library/Java/JavaVirtualMachines/jdk1.8.0_60.jdk/Contents/Home/jre/lib/jsse.jar
|
|
|
:/Library/Java/JavaVirtualMachines/jdk1.8.0_60.jdk/Contents/Home/jre/lib/jce.jar:/L
|
|
|
ibrary/Java/JavaVirtualMachines/jdk1.8.0_60.jdk/Contents/Home/jre/lib/charsets.jar:
|
|
|
/Library/Java/JavaVirtualMachines/jdk1.8.0_60.jdk/Contents/Home/jre/lib/jfr.jar:/Li
|
|
|
brary/Java/JavaVirtualMachines/jdk1.8.0_60.jdk/Contents/Home/jre/classes:/Users/hen
|
|
|
gyunabc/.jenv/versions/1.8/lib/tools.jar
|
|
|
LIBRARY-PATH /Users/hello/Library/Java/Extensions:/Library/Java/Extensions:/Network/Library
|
|
|
/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:.
|
|
|
|
|
|
CLASS-LOADING LOADED-CLASS-COUNT 4264
|
|
|
TOTAL-LOADED-CLASS-COUNT 4264
|
|
|
UNLOADED-CLASS-COUNT 0
|
|
|
IS-VERBOSE false
|
|
|
|
|
|
COMPILATION NAME HotSpot 64-Bit Tiered Compilers
|
|
|
TOTAL-COMPILE-TIME 5145(ms)
|
|
|
|
|
|
GARBAGE-COLLECTORS PS Scavenge 6/74(ms)
|
|
|
[count/time]
|
|
|
PS MarkSweep 1/64(ms)
|
|
|
[count/time]
|
|
|
|
|
|
MEMORY-MANAGERS CodeCacheManager Code Cache
|
|
|
|
|
|
Metaspace Manager Metaspace
|
|
|
Compressed Class Space
|
|
|
|
|
|
PS Scavenge PS Eden Space
|
|
|
PS Survivor Space
|
|
|
|
|
|
PS MarkSweep PS Eden Space
|
|
|
PS Survivor Space
|
|
|
PS Old Gen
|
|
|
|
|
|
MEMORY HEAP-MEMORY-USAGE 1073741824(1.00 GiB)/1073741824(1.00 GiB)/5242880000(4.88 GiB)/278637584(265.73 MiB)
|
|
|
[committed/init/max/used]
|
|
|
NO-HEAP-MEMORY-USAGE 172597248(164.60 MiB)/2555904(2.44 MiB)/1862270976(1.73 GiB)/166521144(158.81 MiB)
|
|
|
[committed/init/max/used]
|
|
|
PENDING-FINALIZE-COUNT 0
|
|
|
|
|
|
OPERATING-SYSTEM OS Mac OS X
|
|
|
ARCH x86_64
|
|
|
PROCESSORS-COUNT 4
|
|
|
LOAD-AVERAGE 2.328125
|
|
|
VERSION 10.10.5
|
|
|
|
|
|
THREAD COUNT 16
|
|
|
DAEMON-COUNT 10
|
|
|
PEAK-COUNT 18
|
|
|
STARTED-COUNT 19
|
|
|
DEADLOCK-COUNT 0
|
|
|
|
|
|
FILE-DESCRIPTOR
|
|
|
|
|
|
MAX-FILE-DESCRIPTOR-COUNT 10240
|
|
|
OPEN-FILE-DESCRIPTOR-COUNT 648
|
|
|
|
|
|
Affect cost in 2 ms.
|
|
|
</pre></div>
|
|
|
</div>
|
|
|
</div>
|
|
|
<div class="section" id="thread">
|
|
|
<span id="thread"></span><h2>THREAD相关<a class="headerlink" href="#thread" title="永久链接至标题">¶</a></h2>
|
|
|
<ul class="simple">
|
|
|
<li>COUNT: JVM当前活跃的线程数</li>
|
|
|
<li>DAEMON-COUNT: JVM当前活跃的守护线程数</li>
|
|
|
<li>PEAK-COUNT: 从JVM启动开始曾经活着的最大线程数</li>
|
|
|
<li>STARTED-COUNT: 从JVM启动开始总共启动过的线程次数</li>
|
|
|
<li>DEADLOCK-COUNT: JVM当前死锁的线程数</li>
|
|
|
</ul>
|
|
|
</div>
|
|
|
<div class="section" id="">
|
|
|
<span id="id2"></span><h2>文件描述符相关<a class="headerlink" href="#" title="永久链接至标题">¶</a></h2>
|
|
|
<ul class="simple">
|
|
|
<li>MAX-FILE-DESCRIPTOR-COUNT：JVM进程最大可以打开的文件描述符数</li>
|
|
|
<li>OPEN-FILE-DESCRIPTOR-COUNT：JVM当前打开的文件描述符数</li>
|
|
|
</ul>
|
|
|
</div>
|
|
|
</div>
|
|
|
|
|
|
|
|
|
</div>
|
|
|
|
|
|
</div>
|
|
|
<footer>
|
|
|
|
|
|
<div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
|
|
|
|
|
|
<a href="sysprop.html" class="btn btn-neutral float-right" title="sysprop" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right"></span></a>
|
|
|
|
|
|
|
|
|
<a href="thread.html" class="btn btn-neutral" title="thread" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left"></span> Previous</a>
|
|
|
|
|
|
</div>
|
|
|
|
|
|
|
|
|
<hr/>
|
|
|
|
|
|
<div role="contentinfo">
|
|
|
<p>
|
|
|
© Copyright 2018, Alibaba Middleware Group, and contributors.
|
|
|
|
|
|
</p>
|
|
|
</div>
|
|
|
Built with <a href="http://sphinx-doc.org/">Sphinx</a> using a <a href="https://github.com/rtfd/sphinx_rtd_theme">theme</a> provided by <a href="https://readthedocs.org">Read the Docs</a>.
|
|
|
|
|
|
</footer>
|
|
|
|
|
|
</div>
|
|
|
</div>
|
|
|
|
|
|
</section>
|
|
|
|
|
|
</div>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<script type="text/javascript">
|
|
|
var DOCUMENTATION_OPTIONS = {
|
|
|
URL_ROOT:'./',
|
|
|
VERSION:'3.0.5-SNAPSHOT',
|
|
|
LANGUAGE:'zh_CN',
|
|
|
COLLAPSE_INDEX:false,
|
|
|
FILE_SUFFIX:'.html',
|
|
|
HAS_SOURCE: true,
|
|
|
SOURCELINK_SUFFIX: '.txt'
|
|
|
};
|
|
|
</script>
|
|
|
<script type="text/javascript" src="_static/jquery.js"></script>
|
|
|
<script type="text/javascript" src="_static/underscore.js"></script>
|
|
|
<script type="text/javascript" src="_static/doctools.js"></script>
|
|
|
<script type="text/javascript" src="_static/translations.js"></script>
|
|
|
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script>
|
|
|
|
|
|
|
|
|
|
|
|
<script type="text/javascript" src="_static/js/theme.js"></script>
|
|
|
|
|
|
<script type="text/javascript">
|
|
|
jQuery(function () {
|
|
|
SphinxRtdTheme.Navigation.enable(true);
|
|
|
});
|
|
|
</script>
|
|
|
<div class="github-fork-ribbon-wrapper right">
|
|
|
<div class="github-fork-ribbon">
|
|
|
<a href="https://github.com/alibaba/arthas">Fork me at GitHub</a>
|
|
|
</div>
|
|
|
</div>
|
|
|
|
|
|
<script type="text/javascript" src="_static/add_badges.js"></script>
|
|
|
|
|
|
<script>
|
|
|
var _hmt = _hmt || [];
|
|
|
(function() {
|
|
|
var hm = document.createElement("script");
|
|
|
hm.src = "https://hm.baidu.com/hm.js?d5c5e25b100f0eb51a4c35c8a86ea9b4";
|
|
|
var s = document.getElementsByTagName("script")[0];
|
|
|
s.parentNode.insertBefore(hm, s);
|
|
|
})();
|
|
|
</script>
|
|
|
|
|
|
|
|
|
|
|
|
</body>
|
|
|
</html> |