docs: describe newly added preferECores and preferPCores fields

Signed-off-by: Feruzjon Muyassarov <[email protected]>

docs/resource-policy/policy/balloons.md

@@ -154,6 +154,16 @@ Balloons policy parameters:
     separate `cpu.classes` objects, see below.
   - `preferCloseToDevices`: prefer creating new balloons close to
     listed devices. List of strings
+  - `preferECores`: when set to `true`, this option prioritizes the use
+    of E-Cores (Efficient Cores) for the balloon. Note that if there
+    aren't enough E-Cores available in the system, balloon may be
+    allocated to other types of cores as well. The default setting is
+    `false`.
+  - `preferPCores`: when set to `true`, this option prioritizes the use
+    of P-Cores (Performance Cores) for the balloon. Note that if there
+    aren't enough P-Cores available in the system, balloon may be
+    allocated to other types of cores as well. The default setting is
+    `false`.
   - `preferSpreadingPods`: if `true`, containers of the same pod
     should be spread to different balloons of this type. The default
     is `false`: prefer placing containers of the same pod to the same
@@ -168,7 +178,7 @@ Balloons policy parameters:
     preferring exclusive CPUs, as long as there are enough free
     CPUs. The default is `false`: prefer filling and inflating
     existing balloons over creating new ones.
-  - `preferIsolCpus`: if `true`,prefer system isolated CPUs (refer to
+  - `preferIsolCpus`: if `true`, prefer system isolated CPUs (refer to
     kernel command line parameter "isolcpus") for this balloon. Warning:
     if there are not enough isolated CPUs in the system for balloons that
     prefer them, balloons may include normal CPUs, too. This kind of