Mercurial > hg > graal-compiler
diff src/share/vm/gc_interface/gcCause.hpp @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | 37f87013dfd8 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/gc_interface/gcCause.hpp Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,81 @@ +/* + * Copyright 2002-2006 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. + * + */ + +// +// This class exposes implementation details of the various +// collector(s), and we need to be very careful with it. If +// use of this class grows, we should split it into public +// and implemenation-private "causes". +// + +class GCCause : public AllStatic { + public: + enum Cause { + /* public */ + _java_lang_system_gc, + _full_gc_alot, + _scavenge_alot, + _allocation_profiler, + _jvmti_force_gc, + _gc_locker, + _heap_inspection, + _heap_dump, + + /* implementation independent, but reserved for GC use */ + _no_gc, + _no_cause_specified, + _allocation_failure, + + /* implementation specific */ + + _tenured_generation_full, + _permanent_generation_full, + + _cms_generation_full, + _cms_initial_mark, + _cms_final_remark, + + _old_generation_expanded_on_last_scavenge, + _old_generation_too_full_to_scavenge, + _adaptive_size_policy, + + _last_ditch_collection, + _last_gc_cause + }; + + inline static bool is_user_requested_gc(GCCause::Cause cause) { + return (cause == GCCause::_java_lang_system_gc || + cause == GCCause::_jvmti_force_gc); + } + inline static bool is_serviceability_requested_gc(GCCause::Cause + cause) { + return (cause == GCCause::_jvmti_force_gc || + cause == GCCause::_heap_inspection || + cause == GCCause::_heap_dump); + } + // Return a string describing the GCCause. + static const char* to_string(GCCause::Cause cause); + // Return true if the GCCause is for a full collection. + static bool is_for_full_collection(GCCause::Cause cause) PRODUCT_RETURN0; +};