mirror of https://github.com/alibaba/arthas.git
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hengyunabc
5 years ago
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91290302d8
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perfcounter
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===
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> Check the current JVM Perf Counter information.
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### Usage
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```
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$ perfcounter
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java.ci.totalTime 2325637411
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java.cls.loadedClasses 3403
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java.cls.sharedLoadedClasses 0
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java.cls.sharedUnloadedClasses 0
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java.cls.unloadedClasses 0
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java.property.java.version 11.0.4
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java.property.java.vm.info mixed mode
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java.property.java.vm.name OpenJDK 64-Bit Server VM
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...
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```
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Print more information with the `-d` option:
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```
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$ perfcounter -d
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Name Variability Units Value
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---------------------------------------------------------------------------------
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java.ci.totalTime Monotonic Ticks 3242526906
|
||||
java.cls.loadedClasses Monotonic Events 3404
|
||||
java.cls.sharedLoadedClasses Monotonic Events 0
|
||||
java.cls.sharedUnloadedClasses Monotonic Events 0
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java.cls.unloadedClasses Monotonic Events 0
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```
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### JVM above JDK9
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||||
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||||
If the information is not printed, when the application starts, add the following parameters:
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||||
|
||||
```
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--add-opens java.base/jdk.internal.perf=ALL-UNNAMED --add-exports java.base/jdk.internal.perf=ALL-UNNAMED
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```
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tee
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===
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> Similar to the traditional `tee` command.
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```
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USAGE:
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tee [-a] [-h] [file]
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SUMMARY:
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tee command for pipes.
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|
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EXAMPLES:
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sysprop | tee /path/to/logfile | grep java
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sysprop | tee -a /path/to/logfile | grep java
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|
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WIKI:
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https://alibaba.github.io/arthas/tee
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OPTIONS:
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-a, --append Append to file
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-h, --help this help
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<file> File path
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```
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Binary file not shown.
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<!DOCTYPE html>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>perfcounter — Arthas 3.1.7 documentation</title>
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<div class="version">
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3.1.7
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<li class="toctree-l1"><a class="reference external" href="https://alibaba.github.io/arthas/arthas-tutorials?language=en">Online tutorials(Recommend)</a></li>
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<li class="toctree-l2"><a class="reference internal" href="vmoption.html">vmoption</a></li>
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<li class="toctree-l2 current"><a class="current reference internal" href="#">perfcounter</a><ul>
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<li class="toctree-l3"><a class="reference internal" href="#usage">Usage</a></li>
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<li class="toctree-l3"><a class="reference internal" href="#jvm-above-jdk9">JVM above JDK9</a></li>
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</ul>
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</li>
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<li class="toctree-l2"><a class="reference internal" href="logger.html">logger</a></li>
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<li class="toctree-l2"><a class="reference internal" href="grep.html">grep</a></li>
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<li class="toctree-l2"><a class="reference internal" href="tee.html">tee</a></li>
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<li class="toctree-l1"><a class="reference external" href="https://github.com/alibaba/arthas">Fork me at GitHub</a></li>
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<li><a href="commands.html">All Commands</a> »</li>
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<li>perfcounter</li>
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<li class="wy-breadcrumbs-aside">
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<a href="https://github.com/alibaba/arthas/blob/master/site/src/site/sphinx/en/perfcounter.md" class="fa fa-github"> Edit on GitHub</a>
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</ul>
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<hr/>
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||||
</div>
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<div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
|
||||
<div itemprop="articleBody">
|
||||
|
||||
<div class="section" id="perfcounter">
|
||||
<h1>perfcounter<a class="headerlink" href="#perfcounter" title="Permalink to this headline">¶</a></h1>
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<blockquote>
|
||||
<div><p>Check the current JVM Perf Counter information.</p>
|
||||
</div></blockquote>
|
||||
<div class="section" id="usage">
|
||||
<h2>Usage<a class="headerlink" href="#usage" title="Permalink to this headline">¶</a></h2>
|
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<div class="highlight-default notranslate"><pre class="literal-block">$ perfcounter
|
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java.ci.totalTime 2325637411
|
||||
java.cls.loadedClasses 3403
|
||||
java.cls.sharedLoadedClasses 0
|
||||
java.cls.sharedUnloadedClasses 0
|
||||
java.cls.unloadedClasses 0
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java.property.java.version 11.0.4
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java.property.java.vm.info mixed mode
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java.property.java.vm.name OpenJDK 64-Bit Server VM
|
||||
...</pre>
|
||||
</div>
|
||||
<p>Print more information with the <code class="docutils literal notranslate"><span class="pre">-d</span></code> option:</p>
|
||||
<div class="highlight-default notranslate"><pre class="literal-block">$ perfcounter -d
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Name Variability Units Value
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||||
---------------------------------------------------------------------------------
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java.ci.totalTime Monotonic Ticks 3242526906
|
||||
java.cls.loadedClasses Monotonic Events 3404
|
||||
java.cls.sharedLoadedClasses Monotonic Events 0
|
||||
java.cls.sharedUnloadedClasses Monotonic Events 0
|
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java.cls.unloadedClasses Monotonic Events 0</pre>
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</div>
|
||||
</div>
|
||||
<div class="section" id="jvm-above-jdk9">
|
||||
<h2>JVM above JDK9<a class="headerlink" href="#jvm-above-jdk9" title="Permalink to this headline">¶</a></h2>
|
||||
<p>If the information is not printed, when the application starts, add the following parameters:</p>
|
||||
<div class="highlight-default notranslate"><pre class="literal-block">--add-opens java.base/jdk.internal.perf=ALL-UNNAMED --add-exports java.base/jdk.internal.perf=ALL-UNNAMED</pre>
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||||
</div>
|
||||
</div>
|
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© Copyright 2018-2019, Alibaba Middleware Group, and contributors
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File diff suppressed because one or more lines are too long
@ -0,0 +1,316 @@
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<!DOCTYPE html>
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<!--[if IE 8]><html class="no-js lt-ie9" lang="en" > <![endif]-->
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<!--[if gt IE 8]><!--> <html class="no-js" lang="en" > <!--<![endif]-->
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<meta charset="utf-8">
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<li><a href="commands.html">All Commands</a> »</li>
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<li>tee</li>
|
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<li class="wy-breadcrumbs-aside">
|
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||||
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||||
|
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<a href="https://github.com/alibaba/arthas/blob/master/site/src/site/sphinx/en/tee.md" class="fa fa-github"> Edit on GitHub</a>
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</li>
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</ul>
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||||
<hr/>
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||||
</div>
|
||||
<div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
|
||||
<div itemprop="articleBody">
|
||||
|
||||
<div class="section" id="tee">
|
||||
<h1>tee<a class="headerlink" href="#tee" title="Permalink to this headline">¶</a></h1>
|
||||
<blockquote>
|
||||
<div><p>Similar to the traditional <code class="docutils literal notranslate"><span class="pre">tee</span></code> command.</p>
|
||||
</div></blockquote>
|
||||
<div class="highlight-default notranslate"><pre class="literal-block"> USAGE:
|
||||
tee [-a] [-h] [file]
|
||||
|
||||
SUMMARY:
|
||||
tee command for pipes.
|
||||
|
||||
EXAMPLES:
|
||||
sysprop | tee /path/to/logfile | grep java
|
||||
sysprop | tee -a /path/to/logfile | grep java
|
||||
|
||||
WIKI:
|
||||
https://alibaba.github.io/arthas/tee
|
||||
|
||||
OPTIONS:
|
||||
-a, --append Append to file
|
||||
-h, --help this help
|
||||
<file> File path</pre>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
|
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</div>
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<hr/>
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<div role="contentinfo">
|
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<p>
|
||||
© Copyright 2018-2019, Alibaba Middleware Group, and contributors
|
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||||
</p>
|
||||
</div>
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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>.
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</div>
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<script type="text/javascript">
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jQuery(function () {
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SphinxRtdTheme.Navigation.enable(true);
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});
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<div class="github-fork-ribbon-wrapper right">
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<div class="github-fork-ribbon">
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<a href="https://github.com/alibaba/arthas" target="_blank">Fork me at GitHub</a>
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</div>
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<script type="text/javascript" src="_static/add_badges.js"></script>
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<script>
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document.querySelectorAll('div.hljs > pre').forEach(function(block) {
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hljs.highlightBlock(block);
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hljs.lineNumbersBlock(block);
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</script>
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<script>
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var _hmt = _hmt || [];
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(function() {
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var hm = document.createElement("script");
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if (window.location.hostname == "arthas.gitee.io") {
|
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hm.src = "https://hm.baidu.com/hm.js?ecc1b0d9aeb73da1671876133211d4d3";
|
||||
} else { // https://alibaba.github.io/arthas/
|
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hm.src = "https://hm.baidu.com/hm.js?d5c5e25b100f0eb51a4c35c8a86ea9b4";
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}
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