diff mbox series

[v6,3/3] Documentation/x86: Documentation for MON group move feature

Message ID 20230419125015.693566-4-peternewman@google.com
State New
Headers
Series x86/resctrl: Implement rename to help move containers' tasks |

Commit Message

Peter Newman April 19, 2023, 12:50 p.m. UTC 
  Describe new support for moving MON groups to a new parent CTRL_MON
group and its restrictions.

Signed-off-by: Peter Newman <peternewman@google.com>
Reviewed-by: Reinette Chatre <reinette.chatre@intel.com>
---
 Documentation/x86/resctrl.rst | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox series

Patch

diff --git a/Documentation/x86/resctrl.rst b/Documentation/x86/resctrl.rst
index 387ccbcb558f..cb05d90111b4 100644
--- a/Documentation/x86/resctrl.rst
+++ b/Documentation/x86/resctrl.rst
@@ -287,6 +287,13 @@  Removing a directory will move all tasks and cpus owned by the group it
 represents to the parent. Removing one of the created CTRL_MON groups
 will automatically remove all MON groups below it.
 
+Moving MON group directories to a new parent CTRL_MON group is supported
+for the purpose of changing the resource allocations of a MON group
+without impacting its monitoring data or assigned tasks. This operation
+is not allowed for MON groups which monitor CPUs. No other move
+operation is currently allowed other than simply renaming a CTRL_MON or
+MON group.
+
 All groups contain the following files:
 
 "tasks":