stan/jdk-24
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

8323964: runtime/Thread/ThreadCountLimit.java fails intermittently on AIX

Browse Source 
Reviewed-by: dholmes, stuefe
This commit is contained in:
Matthias Baesken 2024-01-23 08:17:00 +00:00
parent 5a74c2a67e
commit 3696765b7d
2 changed files with 18 additions and 8 deletions
src/hotspot/os/aix
globals_aix.hpp
test/hotspot/jtreg/runtime/Thread
ThreadCountLimit.java

15
src/hotspot/os/aix/globals_aix.hpp

@ -1,6 +1,6 @@
/*
* Copyright (c) 2005, 2020, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2012, 2018 SAP SE. All rights reserved.
* Copyright (c) 2005, 2024, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2012, 2024 SAP SE. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -49,11 +49,12 @@
"Allow VM to run with EXTSHM=ON.") \
\
/* Maximum expected size of the data segment. That correlates with the */ \
/* to the maximum C Heap consumption we expect. */ \
/* We need to know this because we need to leave "breathing space" for the */ \
/* data segment when placing the java heap. If that space is too small, we */ \
/* reduce our chance of getting a low heap address (needed for compressed */ \
/* Oops). */ \
/* maximum C Heap consumption we expect. */ \
/* We need to leave "breathing space" for the data segment when */ \
/* placing the java heap. If the MaxExpectedDataSegmentSize setting */ \
/* is too small, we might run into resource issues creating many native */ \
/* threads, if it is too large, we reduce our chance of getting a low heap */ \
/* address (needed for compressed Oops). */ \
product(uintx, MaxExpectedDataSegmentSize, 8*G, \
"Maximum expected Data Segment Size.") \
\

11
test/hotspot/jtreg/runtime/Thread/ThreadCountLimit.java

@ -1,5 +1,5 @@
/*
* Copyright (c) 2020, 2022, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2020, 2024, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -24,10 +24,19 @@
/**
* @test
* @summary Stress test that reaches the process limit for thread count, or time limit.
* @requires os.family != "aix"
* @key stress
* @run main/othervm -Xmx1g ThreadCountLimit
*/
/**
* @test
* @summary Stress test that reaches the process limit for thread count, or time limit.
* @requires os.family == "aix"
* @key stress
* @run main/othervm -Xmx1g -XX:MaxExpectedDataSegmentSize=16g ThreadCountLimit
*/
import java.util.concurrent.CountDownLatch;
import java.util.ArrayList;