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< th colspan = "3" align = "center" > DB_ENV-> memp_stat_print()< / th >
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The DB_MPOOLFILE Handle
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< h2 class = "title" style = "clear: both" > < a id = "mempstat_print" > < / a > DB_ENV-> memp_stat_print()< / h2 >
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< pre class = "programlisting" > #include < db.h>
int
DB_ENV-> memp_stat_print(DB_ENV *env, u_int32_t flags); < / pre >
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The < code class = "methodname" > DB_ENV-> memp_stat_print()< / code > method displays cache
subsystem statistical information, as described for the
< a class = "xref" href = "mempstat.html" title = "DB_ENV->memp_stat()" > DB_ENV-> memp_stat()< / a > method. The information is printed to
a specified output channel (see the
< a class = "xref" href = "envset_msgfile.html" title = "DB_ENV->set_msgfile()" > DB_ENV-> set_msgfile()< / a > method for more
information), or passed to an application callback function (see the
< a class = "xref" href = "envset_msgcall.html" title = "DB_ENV->set_msgcall()" > DB_ENV-> set_msgcall()< / a > method for more
information).
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The < code class = "methodname" > DB_ENV-> memp_stat_print()< / code > method may not be called before the
< a class = "xref" href = "envopen.html" title = "DB_ENV->open()" > DB_ENV-> open()< / a > method is
called.
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< p >
The < code class = "methodname" > DB_ENV-> memp_stat_print()< / code > < span >
< span >
method returns a non-zero error value on failure and 0 on success.
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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:
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< p > < a id = "mempstat_print_DB_STAT_ALL" > < / a >
< code class = "literal" > DB_STAT_ALL< / code >
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< p >
Display all available information.
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< p > < a id = "mempstat_print_DB_STAT_CLEAR" > < / a >
< code class = "literal" > DB_STAT_CLEAR< / code >
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< 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 >
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< p >
Display the buffers with hash chains.
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< a class = "link" href = "env.html" title = "Chapter > DB_ENV< / a > , < a class = "link" href = "memp.html" title = "Chapter > DB_MPOOLFILE< / a >
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< h3 class = "title" > < a id = "id3734368" > < / 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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