1<h2>host_statistics</h2>
2<hr>
3<p>
4<strong>Function</strong> - Return statistics for a host.<h3>SYNOPSIS</h3>
5<pre>
6<strong>kern_return_t   host_statistics</strong>
7                <strong>(host_priv_t</strong>                          <var>host_priv</var>,
8                 <strong>host_flavor_t</strong>                           <var>flavor</var>,
9                 <strong>host_info_t</strong>                          <var>host_info</var>,
10                 <strong>mach_msg_type_number_t</strong>         <var>host_info_count</var><strong>);</strong>
11</pre>
12<h3>PARAMETERS</h3>
13<dl>
14<p>
15<dt> <var>host_priv</var> 
16<dd>
17[in host-control send right]
18The control port for the host for which
19information is to be obtained.
20<p>
21<dt> <var>flavor</var> 
22<dd>
23[in scalar]
24The type of statistics desired.
25<dl>
26<p>
27<dt> <strong>HOST_LOAD_INFO</strong>
28<dd>
29System loading statistics.  The returned structure is
30<strong>host_load_info</strong>.
31<p>
32<dt> <strong>HOST_VM_INFO</strong>
33<dd>
34Virtual memory statistics.  The returned structure is
35<strong>vm_statistics</strong>.
36</dl>
37<p>
38<dt> <var>host_info</var> 
39<dd>
40[out structure]
41Statistics about the specified host.
42<p>
43<dt> <var>host_info_count</var> 
44<dd>
45[in/out scalar]
46On input, the maximum size of the buffer; on output, the 
47size returned (in natural-sized units).
48</dl>
49<h3>DESCRIPTION</h3>
50<p>
51The <strong>host_statistics</strong> function returns scheduling and
52virtual memory statistics 
53concerning the host as specified by <var>flavor</var>.
54<h3>RETURN VALUES</h3>
55<p>
56Only generic errors apply.
57<h3>RELATED INFORMATION</h3>
58<p>
59Functions:
60<a href="host_info.html"><strong>host_info</strong></a>,
61<a href="processor_set_statistics.html"><strong>processor_set_statistics</strong></a>.
62<p>
63Data Structures:
64<a href="host_load_info.html"><strong>host_load_info</strong></a>,
65<a href="vm_statistics.html"><strong>vm_statistics</strong></a>.
66