From 36fd176f06a7dede49a90dbf6ef2c69fe818bdbe Mon Sep 17 00:00:00 2001
From: 7FM <41307817+7FM@users.noreply.github.com>
Date: Thu, 24 Jul 2025 18:00:15 +0200
Subject: [PATCH] Avoid optimizing workload away

---
 tests/mq/mq_workload.c           | 2 +-
 tests/mutex/mutex_workload.c     | 2 +-
 tests/semaphore/sem_processing.c | 2 +-
 tests/semaphore/sem_workload.c   | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/tests/mq/mq_workload.c b/tests/mq/mq_workload.c
index c6fca7c..641336f 100644
--- a/tests/mq/mq_workload.c
+++ b/tests/mq/mq_workload.c
@@ -114,7 +114,7 @@ no_task_retval_t receiver(no_task_argument_t args)
 no_task_retval_t workload_task(no_task_argument_t args)
 {
 	int32_t i;
-	unsigned long _workload_results[100];
+	volatile unsigned long _workload_results[100];
 
 	while (1)
 	{
diff --git a/tests/mutex/mutex_workload.c b/tests/mutex/mutex_workload.c
index 483ff51..144c016 100644
--- a/tests/mutex/mutex_workload.c
+++ b/tests/mutex/mutex_workload.c
@@ -120,7 +120,7 @@ no_task_retval_t workload_task(no_task_argument_t args)
 {
 	int32_t i;
 	int32_t j;
-	unsigned long _workload_results[100];
+	volatile unsigned long _workload_results[100];
 
 	while (1)
 	{
diff --git a/tests/semaphore/sem_processing.c b/tests/semaphore/sem_processing.c
index 94faa46..87e974e 100644
--- a/tests/semaphore/sem_processing.c
+++ b/tests/semaphore/sem_processing.c
@@ -44,7 +44,7 @@ no_task_retval_t task(no_task_argument_t args)
 	DECLARE_TIME_COUNTERS(no_time_t, inc);
 	DECLARE_TIME_COUNTERS(no_time_t, dec);
 	DECLARE_TIME_STATS(int64_t);
-	unsigned long _workload_results[NB_ITER];
+	volatile unsigned long _workload_results[NB_ITER];
 
 	/* 1b - Measure semaphore signaling time */
 	for (i = 0; i < NB_ITER; i++)
diff --git a/tests/semaphore/sem_workload.c b/tests/semaphore/sem_workload.c
index 071595f..9cc4117 100644
--- a/tests/semaphore/sem_workload.c
+++ b/tests/semaphore/sem_workload.c
@@ -112,7 +112,7 @@ no_task_retval_t receiver(no_task_argument_t args)
 no_task_retval_t workload_task(no_task_argument_t args)
 {
 	int32_t i;
-	unsigned long _workload_results[100];
+	volatile unsigned long _workload_results[100];
 
 	while (1)
 	{