From d7052748f8cd7625dbc99b382a8d92eddc4a461b Mon Sep 17 00:00:00 2001
From: Peter Cai <peter.cai@uwaterloo.ca>
Date: Fri, 17 Feb 2023 10:36:31 -0500
Subject: [PATCH] set rx ring size to 8192 for polling

---
 tunings/kernel_polling.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tunings/kernel_polling.sh b/tunings/kernel_polling.sh
index 5532931..d8bf1a0 100644
--- a/tunings/kernel_polling.sh
+++ b/tunings/kernel_polling.sh
@@ -4,5 +4,7 @@ if [ ! "$(uname -r)" == "5.15.79-peter" ]; then
 fi
 
 sysctl net.core.busy_poll=16384
+# Set rx ring size to maximum
+ethtool -G $NET_IF rx 8192
 # NAPI locality is needed for multi-threaded experiments
 NAPI_LOCALITY=true
-- 
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