From: Hyman Huang(黄勇) <yong.huang(a)smartx.com>
New libvirt APIs for limiting dirty page rate are introduced.
Document this change.
Signed-off-by: Hyman Huang(黄勇) <yong.huang(a)smartx.com>
---
NEWS.rst | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/NEWS.rst b/NEWS.rst
index 1de8314a61..76a569736c 100644
--- a/NEWS.rst
+++ b/NEWS.rst
@@ -16,6 +16,22 @@ v9.6.0 (unreleased)
* **Removed features**
* **New features**
+ * qemu: Add support for limiting dirty page rate
+
+ New API ``virDomainSetVcpuDirtyLimit()`` and virsh command
+ ``limit-dirty-page-rate`` are added to set the dirty page rate upper
+ limit.
+
+ New API ``virDomainCancelVcpuDirtyLimit()`` and virsh command option
+ ``limit-dirty-page-rate --cancel`` are added to cancel the dirty page
+ rate upper limit.
+
+ Note that this feature requires dirty-ring size to be configured.
+
+ * qemu: Add support for querying dirty page rate upper limit
+
+ User can query the dirty page rate limit with the virsh command
+ ``vcpuinfo``.
* **Improvements**
--
2.38.5