paramsd: fix variable cpu usage (#24281)

* paramsd: fix variable cpu usage

* fix that

* increase that a bit

common/realtime.py

@@ -2,7 +2,7 @@
 import gc
 import os
 import time
-from typing import Optional
+from typing import Optional, List, Union
 
 from setproctitle import getproctitle  # pylint: disable=no-name-in-module
 
@@ -38,15 +38,16 @@ def set_realtime_priority(level: int) -> None:
     os.sched_setscheduler(0, os.SCHED_FIFO, os.sched_param(level))  # type: ignore[attr-defined]
 
 
-def set_core_affinity(core: int) -> None:
+def set_core_affinity(cores: List[int]) -> None:
   if not PC:
-    os.sched_setaffinity(0, [core,])   # type: ignore[attr-defined]
+    os.sched_setaffinity(0, cores)
 
 
-def config_realtime_process(core: int, priority: int) -> None:
+def config_realtime_process(cores: Union[int, List[int]], priority: int) -> None:
   gc.disable()
   set_realtime_priority(priority)
-  set_core_affinity(core)
+  c = cores if isinstance(cores, list) else [cores, ]
+  set_core_affinity(c)
 
 
 class Ratekeeper: