mask off cores 2-3 from RPS (#2692)

old-commit-hash: 15ae9d714f
4 years ago · 7914d23049
parent c09d84218d
commit 7914d23049
1 changed files with 4 additions and 0 deletions
--- 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