[libvirt] [PATCH] docs: CPU allocation and pinning clarification
Martin Kletzander
mkletzan at redhat.com
Mon Aug 27 14:37:41 UTC 2012
There was a request for clarifying this part of the
documentation. This also fixes a case used with CPU.
---
docs/formatdomain.html.in | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in
index e671e36..468fc62 100644
--- a/docs/formatdomain.html.in
+++ b/docs/formatdomain.html.in
@@ -369,7 +369,8 @@
if it's specified. If both <code>cpuset</code> and <code>placement</code>
are not specified, or if <code>placement</code> is "static", but no
<code>cpuset</code> is specified, the domain process will be pinned to
- all the available physical CPUs.
+ all the available physical CPUs. These settings can be superseded
+ by <a href="#elementsCPUTuning">CPU tuning</a>.
</dd>
</dl>
@@ -404,9 +405,11 @@
</dd>
<dt><code>vcpupin</code></dt>
<dd>
- The optional <code>vcpupin</code> element specifies which of host
- physical CPUS the domain VCPU will be pinned to. If this is omitted,
- each VCPU is pinned to all the physical CPUS by default. It contains two
+ The optional <code>vcpupin</code> element specifies which of host's
+ physical CPUs the domain VCPU will be pinned to. This setting supersedes
+ previous VCPU placement specified in <a href="#elementsCPUAllocation">CPU
+ Allocation</a> using <code>vcpu</code> element. If this is omitted,
+ each VCPU is pinned to all the physical CPUs by default. It contains two
required attributes, the attribute <code>vcpu</code> specifies vcpu id,
and the attribute <code>cpuset</code> is same as
attribute <code>cpuset</code>
--
1.7.12
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