Mercurial > hg > truffle
view src/share/vm/runtime/memprofiler.hpp @ 1244:745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
Summary: Interval checking is now being performed on the values passed in for these two flags. The current acceptable range for RefDiscoveryPolicy is [0..1], and for TLABWasteTargetPercent it is [1..100].
Reviewed-by: apetrusenko, ysr
author | johnc |
---|---|
date | Fri, 29 Jan 2010 14:51:38 -0800 |
parents | a61af66fc99e |
children | c18cbe5936b8 |
line wrap: on
line source
/* * Copyright 1998 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ // Prints periodic memory usage trace of HotSpot VM class MemProfilerTask; class MemProfiler : AllStatic { friend class MemProfilerTask; private: static MemProfilerTask* _task; static FILE* _log_fp; // Do trace (callback from MemProfilerTask and from disengage) static void do_trace() PRODUCT_RETURN; public: // Start/stop the profiler static void engage() PRODUCT_RETURN; static void disengage() PRODUCT_RETURN; // Tester static bool is_active() PRODUCT_RETURN0; };