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<h2 class="title" style="clear: both"><a id="mempstat_print"></a>DbEnv::memp_stat_print()</h2>
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<pre class="programlisting">#include <db_cxx.h>
int
DbEnv::memp_stat_print(u_int32_t flags);</pre>
<p>
The <code class="methodname">DbEnv::memp_stat_print()</code> method displays cache
subsystem statistical information, as described for the
<a class="xref" href="mempstat.html" title="DbEnv::memp_stat()">DbEnv::memp_stat()</a> method. The information is printed to
a specified output channel (see the
<a class="xref" href="envset_msgfile.html" title="DbEnv::set_msgfile()">DbEnv::set_msgfile()</a> method for more
information), or passed to an application callback function (see the
<a class="xref" href="envset_msgcall.html" title="DbEnv::set_msgcall()">DbEnv::set_msgcall()</a> method for more
information).
</p>
<p>
The <code class="methodname">DbEnv::memp_stat_print()</code> method may not be called before the
<a class="xref" href="envopen.html" title="DbEnv::open()">DbEnv::open()</a> method is
called.
</p>
<p>
The <code class="methodname">DbEnv::memp_stat_print()</code> <span>
<span>
method either returns a non-zero error value or throws an
exception that encapsulates a non-zero error value on
failure, and returns 0 on success.
</span>
</span>
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<div class="sect2" lang="en" xml:lang="en">
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<h3 class="title"><a id="idp8739792"></a>Parameters</h3>
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<h4 class="title"><a id="idp8736488"></a>flags</h4>
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<p>
The <span class="bold"><strong>flags</strong></span> parameter must be set to 0
or by bitwise inclusively <span class="bold"><strong>OR</strong></span>'ing
together one or more of the following values:
</p>
<div class="itemizedlist">
<ul type="disc">
<li>
<p><a id="mempstat_print_DB_STAT_ALL"></a>
<code class="literal">DB_STAT_ALL</code>
</p>
<p>
Display all available information.
</p>
</li>
<li>
<p><a id="mempstat_print_DB_STAT_CLEAR"></a>
<code class="literal">DB_STAT_CLEAR</code>
</p>
<p>
Reset statistics after displaying their values.
</p>
</li>
<li>
<p><a id="mempstat_print_DB_STAT_MEMP_HASH"></a>
<code class="literal">DB_STAT_MEMP_HASH</code>
</p>
<p>
Display the buffers with hash chains.
</p>
</li>
</ul>
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<h3 class="title"><a id="idp8761064"></a>Class</h3>
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<p>
<a class="link" href="env.html" title="Chapter 5. The DbEnv Handle">DbEnv</a>, <a class="link" href="memp.html" title="Chapter 9. The DbMpoolFile Handle">DbMpoolFile</a>
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<h3 class="title"><a id="idp8751064"></a>See Also</h3>
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<a class="xref" href="memp.html#memplist" title="Memory Pools and Related Methods">Memory Pools and Related Methods</a>
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