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> PR-URL: #56228 Refs: #41286 Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>

Author: mhdawson

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

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) {