From 7914d230493c7a1fc64193e9af0da753f0840bce Mon Sep 17 00:00:00 2001
From: Adeeb Shihadeh <adeebshihadeh@gmail.com>
Date: Sun, 13 Dec 2020 19:30:00 -0800
Subject: [PATCH] mask off cores 2-3 from RPS (#2692)

old-commit-hash: 15ae9d714fb6b8f141a751f164198fcdd4c28aeb
---
 launch_chffrplus.sh | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/launch_chffrplus.sh b/launch_chffrplus.sh
index a7a3ada05b..0b80c62095 100755
--- a/launch_chffrplus.sh
+++ b/launch_chffrplus.sh
@@ -29,6 +29,10 @@ function two_init {
   # openpilot gets all the cores
   echo 0-3 > /dev/cpuset/app/cpus
 
+  # mask off 2-3 from RPS and XPS - Receive/Transmit Packet Steering
+  echo 3 | tee  /sys/class/net/*/queues/*/rps_cpus
+  echo 3 | tee  /sys/class/net/*/queues/*/xps_cpus
+
   # *** set up governors ***
 
   # +50mW offroad, +500mW onroad for 30% more RAM bandwidth