From 3c326a4c0ddcfd9fb207c96c257ee52133016283 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C5=82=20Kowalczyk?= <mkow@invisiblethingslab.com>
Date: Tue, 29 Sep 2020 18:00:36 +0200
Subject: [PATCH] [LibOS] regression: Fix OpenMP test on systems with a lot of
 cores

---
 LibOS/shim/test/regression/openmp.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/LibOS/shim/test/regression/openmp.c b/LibOS/shim/test/regression/openmp.c
index dbb849af..20a8f100 100644
--- a/LibOS/shim/test/regression/openmp.c
+++ b/LibOS/shim/test/regression/openmp.c
@@ -6,7 +6,10 @@
 int v[10];
 
 int main(void) {
-#pragma omp parallel for
+    /* We need to limit the number of threads, otherwise OpenMP spawns as many threads as available
+     * logical cores on the machine, which may exceed the TCS count specified in the manifest.
+     */
+#pragma omp parallel for num_threads(10)
     for (int i = 0; i < 10; i++) {
         v[i] = i;
     }