<div class="content"><p>The _PERF_MULTI_INSTANCES structure is used in the counter
header block.</p><dl>
<dd>
<div><pre> typedef struct _PERF_MULTI_INSTANCES {
   unsigned long dwTotalSize;
   unsigned long dwInstances;
 } PERF_MULTI_INSTANCES,
  *PPERF_MULTI_INSTANCES;
</pre></div>
</dd></dl><p><b>dwTotalSize:</b>  The size, in bytes, of the
header and data.</p><p><b>dwInstances:</b>  The number of instances from
which data is collected.</p></div>