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<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>probe::vm.write_shared_copy</title><meta name="generator" content="DocBook XSL Stylesheets V1.69.1"><link rel="start" href="index.html" title="SystemTap Tapset Reference Manual"><link rel="up" href="ch06.html" title="Chapter 6. Memory Tapset"><link rel="prev" href="re148.html" title="probe::vm.write_shared"><link rel="next" href="ch07.html" title="Chapter 7. Task Time Tapset"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>probe::vm.write_shared_copy</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re148.html">Prev</a> </td><th width="60%" align="center">Chapter 6. Memory Tapset</th><td width="20%" align="right"> <a accesskey="n" href="ch07.html">Next</a></td></tr></table><hr></div><div class="refentry" lang="en"><a name="API-vm-write-shared-copy"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>probe::vm.write_shared_copy —
Page copy for shared page write
</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis">vm.write_shared_copy </pre></div><div class="refsect1" lang="en"><a name="idp6371600"></a><h2>Values</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>name</code></em></span></dt><dd><p>
Name of the probe point
</p></dd><dt><span class="term"><em class="parameter"><code>zero</code></em></span></dt><dd><p>
boolean indicating whether it is a zero page
(can do a clear instead of a copy)
</p></dd><dt><span class="term"><em class="parameter"><code>address</code></em></span></dt><dd><p>
The address of the shared write
</p></dd></dl></div></div><div class="refsect1" lang="en"><a name="idp6378912"></a><h2>Context</h2><p>
The process attempting the write.
</p></div><div class="refsect1" lang="en"><a name="idp6380144"></a><h2>Description</h2><p>
Fires when a write to a shared page requires a page copy. This is
always preceded by a vm.shared_write.
</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="re148.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="ch06.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="ch07.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span>probe::vm.write_shared</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> Chapter 7. Task Time Tapset</td></tr></table></div></body></html>