From f9562c9af8a1932312d4bb1eac7170b8902a50e8 Mon Sep 17 00:00:00 2001
From: Michael Dawson <midawson@redhat.com>
Date: Tue, 10 Dec 2024 23:16:06 +0000
Subject: [PATCH] test: increase spin for eventloop test on s390

It was excluded as it was failing intermittently. Likely
that s390 was just so fast times were rounded down to 0.

Increase the spin time on s390x only.

Signed-off-by: Michael Dawson <midawson@redhat.com>
---
 test/sequential/sequential.status                  | 4 ----
 test/sequential/test-performance-eventloopdelay.js | 5 +++++
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/test/sequential/sequential.status b/test/sequential/sequential.status
index 073b29cce8dbca..6b9d452505f76f 100644
--- a/test/sequential/sequential.status
+++ b/test/sequential/sequential.status
@@ -49,10 +49,6 @@ test-tls-securepair-client: PASS, FLAKY
 # https://github.com/nodejs/node/issues/49933
 test-watch-mode-inspect: SKIP
 
-[$arch==s390x]
-# https://github.com/nodejs/node/issues/41286
-test-performance-eventloopdelay: PASS, FLAKY
-
 [$system==linux && $arch==ppc64]
 # https://github.com/nodejs/node/issues/50740
 test-single-executable-application-assets-raw: PASS, FLAKY
diff --git a/test/sequential/test-performance-eventloopdelay.js b/test/sequential/test-performance-eventloopdelay.js
index 0bc1758113e480..0d38300d7b3a15 100644
--- a/test/sequential/test-performance-eventloopdelay.js
+++ b/test/sequential/test-performance-eventloopdelay.js
@@ -3,6 +3,7 @@
 
 const common = require('../common');
 const assert = require('assert');
+const os = require('os');
 const {
   monitorEventLoopDelay
 } = require('perf_hooks');
@@ -51,9 +52,13 @@ const { sleep } = require('internal/util');
 }
 
 {
+  const s390x = os.arch() === 's390x';
   const histogram = monitorEventLoopDelay({ resolution: 1 });
   histogram.enable();
   let m = 5;
+  if (s390x) {
+    m = m * 2;
+  }
   function spinAWhile() {
     sleep(1000);
     if (--m > 0) {