xnu-1504.15.3.tar.gz

[apple/xnu.git] / osfmk / man / kernel_resource_sizes.html

<h2>kernel_resource_sizes</h2>
<hr>
<p>
<strong>Structure</strong> - Used to present the sizes of kernel's major structures.
<h3>SYNOPSIS</h3>
<pre>
<strong>struct kernel_resource_sizes</strong>
<strong>{</strong>
       <strong>vm_size_t</strong>               <var>task</var><strong>;</strong>
       <strong>vm_size_t</strong>             <var>thread</var><strong>;</strong>
       <strong>vm_size_t</strong>               <var>port</var><strong>;</strong>
       <strong>vm_size_t</strong>      <var>memory_region</var><strong>;</strong>
       <strong>vm_size_t</strong>      <var>memory_object</var><strong>;</strong>
<strong>};</strong>

<strong>typedef struct kernel_resource_sizes* kernel_resource_sizes_t;</strong>
</pre>
<h3>FIELDS</h3>
<dl>
<dt> <var>task</var>
<dd>
Space consumed by an empty task.
<p>
<dt> <var>thread</var>
<dd>
Space consumed by a thread.
<p>
<dt> <var>port</var>
<dd>
Space consumed by a port with an empty message queue.
<p>
<dt> <var>memory_region</var>
<dd>
Space consumed by each distinct memory region (as reported by
<strong>vm_region</strong>) in a task's address space.
<p>
<dt> <var>memory_object</var>
<dd>
Space consumed to manage a memory object with no resident pages or 
copy objects.
</dl>
<h3>DESCRIPTION</h3>
<p>
The <strong>kernel_resource_sizes</strong> structure defines the sizes
of significant kernel
structures.
<h3>RELATED INFORMATION</h3>
<p>
Functions:
<a href="host_info.html"><strong>host_info</strong></a>.