From 7c77a98118c45847d48a7d2f8271482527839968 Mon Sep 17 00:00:00 2001
From: Alexander Boettcher <alexander.boettcher@genode-labs.com>
Date: Fri, 14 Jul 2023 11:30:49 +0200
Subject: [PATCH] cpu_balancer: make test reliable

by just test the migration feature, without relying on load measured on the
CPUs. On Qemu (and depending on other load in the Linux system), the migration
feature gets not triggered in time reliable.
---
 repos/os/run/cpu_balancer.run | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/repos/os/run/cpu_balancer.run b/repos/os/run/cpu_balancer.run
index 5add4f1d65..b3e1abd7ba 100644
--- a/repos/os/run/cpu_balancer.run
+++ b/repos/os/run/cpu_balancer.run
@@ -86,8 +86,8 @@ install_config {
 						<component label="cpu_burner -> " default_policy="none">
 <!--
 							<thread name="signal handler" policy="pin" xpos="1" ypos="0"/>
--->
 							<thread name="signal handler" policy="max-utilize"/>
+-->
 							<thread name="burn_0x0"       policy="round-robin"/>
 							<thread name="burn_1x0"       policy="round-robin"/>
 						</component>
@@ -100,10 +100,10 @@ install_config {
 					        trace="} $use_trace {"
 					        verbose="no">
 						<component label="cpu_burner -> " default_policy="none">
-<!--
 							<thread name="signal handler" policy="pin" xpos="1" ypos="0"/>
--->
+<!--
 							<thread name="signal handler" policy="max-utilize"/>
+-->
 							<thread name="burn_0x0"       policy="round-robin"/>
 							<thread name="burn_1x0"       policy="round-robin"/>
 							<thread name="not_existent"   policy="round-robin"/>
@@ -174,4 +174,4 @@ build_boot_image [build_artifacts]
 append qemu_args " -nographic"
 append qemu_args " -smp [expr $cpu_width * $cpu_height],cores=$cpu_width,threads=$cpu_height"
 
-run_genode_until {.*thread xpos="[1-9]" ypos="0" name="signal handler" policy="max-utilize".*\n} 60
+run_genode_until {.*thread xpos="[1-9]" ypos="0" name="signal handler" policy="pin".*\n} 60