From 6c7ffa1c27da573ca8d4a1e640e8eab99982a7c0 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 5f4445416d95fa..67f17fec1102f0 100644
--- a/test/sequential/sequential.status
+++ b/test/sequential/sequential.status
@@ -48,7 +48,3 @@ test-tls-securepair-client: PASS, FLAKY
 [$arch==arm]
 # https://github.com/nodejs/node/issues/49933
 test-watch-mode-inspect: SKIP
-
-[$arch==s390x]
-# https://github.com/nodejs/node/issues/41286
-test-performance-eventloopdelay: PASS, FLAKY
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) {