paramsd: fix variable cpu usage (#24281)

* paramsd: fix variable cpu usage

* fix that

* increase that a bit
old-commit-hash: f7c2b8b46e87f9f32eaeb5a11d20d3df24fe96e4

selfdrive/locationd/paramsd.py

@@ -1,14 +1,12 @@
 #!/usr/bin/env python3
-import gc
 import math
-
 import json
 import numpy as np
 
 import cereal.messaging as messaging
 from cereal import car
 from common.params import Params, put_nonblocking
-from common.realtime import set_realtime_priority, DT_MDL
+from common.realtime import config_realtime_process, DT_MDL
 from common.numpy_fast import clip
 from selfdrive.locationd.models.car_kf import CarKalman, ObservationKind, States
 from selfdrive.locationd.models.constants import GENERATED_DIR
@@ -103,8 +101,7 @@ class ParamsLearner:
 
 
 def main(sm=None, pm=None):
-  gc.disable()
-  set_realtime_priority(5)
+  config_realtime_process([0, 1, 2, 3], 5)
 
   if sm is None:
     sm = messaging.SubMaster(['liveLocationKalman', 'carState'], poll=['liveLocationKalman'])

selfdrive/rtshield.py

@@ -11,7 +11,7 @@ from common.realtime import set_core_affinity, set_realtime_priority
 #   openpilot processes
 
 def main() -> NoReturn:
-  set_core_affinity(int(os.getenv("CORE", "3")))
+  set_core_affinity([int(os.getenv("CORE", "3")), ])
   set_realtime_priority(1)
 
   while True:

selfdrive/test/test_onroad.py

@@ -27,7 +27,7 @@ PROCS = {
   "./locationd": 9.1,
   "selfdrive.controls.plannerd": 11.7,
   "./_ui": 33.0,
-  "selfdrive.locationd.paramsd": 5.0,
+  "selfdrive.locationd.paramsd": 9.0,
   "./_sensord": 6.17,
   "selfdrive.controls.radard": 4.5,
   "./_modeld": 4.48,