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Last change
on this file was 862, checked in by Silvan Scherrer, 12 years ago |
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Samba Server: update trunk to 3.6.23
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| 1 | <html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>vfs_time_audit</title><link rel="stylesheet" href="../samba.css" type="text/css"><meta name="generator" content="DocBook XSL Stylesheets V1.75.2"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="refentry" title="vfs_time_audit"><a name="vfs_time_audit.8"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>vfs_time_audit — samba vfs module to log slow VFS operations</p></div><div class="refsynopsisdiv" title="Synopsis"><h2>Synopsis</h2><div class="cmdsynopsis"><p><code class="literal">vfs objects = time_audit</code></p></div></div><div class="refsect1" title="DESCRIPTION"><a name="id266340"></a><h2>DESCRIPTION</h2><p>This VFS module is part of the
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| 2 | <a class="citerefentry" href="samba.7.html"><span class="citerefentry"><span class="refentrytitle">samba</span>(7)</span></a> suite.</p><p>The <code class="literal">time_audit</code> VFS module logs system calls
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| 3 | that take longer than the number of milliseconds defined by the variable
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| 4 | <code class="literal">time_audit:audit_timeout</code>. It will log the calls and
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| 5 | the time spent in it.
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| 6 | </p><p>It's kind of comparable with <code class="literal">strace -T</code> and
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| 7 | is helpful to reveal performance problems with the underlying file
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| 8 | and storage subsystems.</p><p>This module is stackable.</p></div><div class="refsect1" title="OPTIONS"><a name="id266843"></a><h2>OPTIONS</h2><div class="variablelist"><dl><dt><span class="term">time_audit:audit_timeout = number of milliseconds</span></dt><dd><p>VFS calls that take longer than the defined number of milliseconds
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| 9 | that should be logged. The default is 10000 (10s).
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| 10 | </p></dd></dl></div></div><div class="refsect1" title="EXAMPLES"><a name="id266867"></a><h2>EXAMPLES</h2><p>This would log VFS calls that take longer than 3 seconds:</p><pre class="programlisting">
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| 11 | <em class="parameter"><code>[sample_share]</code></em>
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| 12 | <a class="link" href="smb.conf.5.html#PATH" target="_top">path = /test/sample_share</a>
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| 13 | <a class="link" href="smb.conf.5.html#VFSOBJECTS" target="_top">vfs objects = time_audit</a>
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| 14 | <a class="link" href="smb.conf.5.html#TIME_AUDIT:AUDIT_TIMEOUT" target="_top">time_audit: audit_timeout = 3000</a>
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| 15 | </pre></div><div class="refsect1" title="VERSION"><a name="id265816"></a><h2>VERSION</h2><p>This man page is correct for version 3.6.0 of the Samba suite.
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| 16 | </p></div><div class="refsect1" title="AUTHOR"><a name="id265826"></a><h2>AUTHOR</h2><p>The original Samba software and related utilities
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| 17 | were created by Andrew Tridgell. Samba is now developed
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| 18 | by the Samba Team as an Open Source project similar
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| 19 | to the way the Linux kernel is developed.</p><p>The time_audit VFS module was created with contributions from
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| 20 | Abhidnya Chirmule.
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| 21 | </p></div></div></body></html>
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