diff -r 746229cc1ab0 -r cc29d7717e3a test/hotspot/jtreg/vmTestbase/nsk/monitoring/ThreadMXBean/GetThreadAllocatedBytes/StressTest.README --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/hotspot/jtreg/vmTestbase/nsk/monitoring/ThreadMXBean/GetThreadAllocatedBytes/StressTest.README Wed May 02 16:43:56 2018 -0700 @@ -0,0 +1,39 @@ +Copyright (c) 2011, 2018, 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 +under the terms of the GNU General Public License version 2 only, as +published by the Free Software Foundation. + +This code is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +version 2 for more details (a copy is included in the LICENSE file that +accompanied this code). + +You should have received a copy of the GNU General Public License version +2 along with this work; if not, write to the Free Software Foundation, +Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + +Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA +or visit www.oracle.com if you need additional information or have any +questions. + +DESCRIPTION + + Tests getThreadAllocatedBytes(long[] id) function of com.sun.management.ThreadMXBean + + This test starts several threads (according test machine processor count). Each + thread allocates different size objects (from 8 bytes to 2 megabytes) during + defined Stresser time (default is 1 minute). After that for each thread allocated + memory is counted and compared to the result of getThreadAllocatedBytes() call. + + Test is executed in following configurations: + ThreadMXBean is accessed + - directly threw ManagementFactory.getThreadMXBean() + - threw default MBeanServer + - threw custom MBeanServer + - threw default Proxy + - threw custom Proxy + +COMMENTS