From 70ad622bc23fc5a1808466193fd6c7ea2f178ec9 Mon Sep 17 00:00:00 2001
From: Kevin Walls <kevinw@openjdk.org>
Date: Tue, 9 Jul 2024 19:39:25 +0000
Subject: [PATCH] 8335124:
 com/sun/management/ThreadMXBean/ThreadCpuTimeArray.java failed with CPU time
 out of expected range

Reviewed-by: cjplummer
Backport-of: 79a3554e1da604627b3a010dc269c1bd914c79d3
---
 .../com/sun/management/ThreadMXBean/ThreadCpuTimeArray.java    | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/test/jdk/com/sun/management/ThreadMXBean/ThreadCpuTimeArray.java b/test/jdk/com/sun/management/ThreadMXBean/ThreadCpuTimeArray.java
index 83e37f0b475..6b0302aafbf 100644
--- a/test/jdk/com/sun/management/ThreadMXBean/ThreadCpuTimeArray.java
+++ b/test/jdk/com/sun/management/ThreadMXBean/ThreadCpuTimeArray.java
@@ -75,7 +75,6 @@ public class ThreadCpuTimeArray {
         // threads block after doing some computation
         waitUntilThreadBlocked();
 
-
         long times[] = mbean.getThreadCpuTime(ids);
         long userTimes[] = mbean.getThreadUserTime(ids);
 
@@ -222,6 +221,8 @@ public class ThreadCpuTimeArray {
                 }
             }
         }
+        // Account for threads using CPU for a few millis after their WAITING state is visible:
+        goSleep(500);
     }
 
     public static void doit() {