tuned/SOURCES/tuned-2.14.0-amd-performance-regression-fix.patch
2021-10-08 17:23:50 +00:00

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From f511ad5d48f4f2ae3b2616463bc3a17bae5bdb90 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jaroslav=20=C5=A0karvada?= <jskarvad@redhat.com>
Date: Tue, 30 Jun 2020 15:39:18 +0200
Subject: [PATCH] throughput-performance: fix performance regression on AMD
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
It turned out that disablement of the numa_balancing could result in
upto 20% performance drop on some loads.
Related: rhbz#1746957
Signed-off-by: Jaroslav Škarvada <jskarvad@redhat.com>
---
profiles/throughput-performance/tuned.conf | 1 -
1 file changed, 1 deletion(-)
diff --git a/profiles/throughput-performance/tuned.conf b/profiles/throughput-performance/tuned.conf
index f1a6f1a..3cc6fd1 100644
--- a/profiles/throughput-performance/tuned.conf
+++ b/profiles/throughput-performance/tuned.conf
@@ -85,4 +85,3 @@ type=sysctl
uname_regex=x86_64
cpuinfo_regex=${amd_cpuinfo_regex}
kernel.sched_migration_cost_ns=5000000
-kernel.numa_balancing=0
--
2.25.4