author | brutisso |
Thu, 03 Feb 2011 20:49:09 -0800 | |
changeset 8295 | a2b2a8a3aaee |
parent 7397 | 5b173b4ca846 |
child 11576 | e0bef5ca4602 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2002, 2011, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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#ifndef SHARE_VM_GC_INTERFACE_GCCAUSE_HPP |
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#define SHARE_VM_GC_INTERFACE_GCCAUSE_HPP |
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#include "memory/allocation.hpp" |
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// |
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// This class exposes implementation details of the various |
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// collector(s), and we need to be very careful with it. If |
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// use of this class grows, we should split it into public |
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// and implemenation-private "causes". |
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// |
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class GCCause : public AllStatic { |
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public: |
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enum Cause { |
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/* public */ |
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_java_lang_system_gc, |
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_full_gc_alot, |
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_scavenge_alot, |
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_allocation_profiler, |
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_jvmti_force_gc, |
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_gc_locker, |
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_heap_inspection, |
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_heap_dump, |
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/* implementation independent, but reserved for GC use */ |
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_no_gc, |
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_no_cause_specified, |
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_allocation_failure, |
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/* implementation specific */ |
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_tenured_generation_full, |
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_permanent_generation_full, |
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_cms_generation_full, |
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_cms_initial_mark, |
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_cms_final_remark, |
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_old_generation_expanded_on_last_scavenge, |
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_old_generation_too_full_to_scavenge, |
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_adaptive_size_policy, |
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_g1_inc_collection_pause, |
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_last_ditch_collection, |
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_last_gc_cause |
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}; |
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inline static bool is_user_requested_gc(GCCause::Cause cause) { |
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return (cause == GCCause::_java_lang_system_gc || |
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cause == GCCause::_jvmti_force_gc); |
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} |
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inline static bool is_serviceability_requested_gc(GCCause::Cause |
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cause) { |
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return (cause == GCCause::_jvmti_force_gc || |
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cause == GCCause::_heap_inspection || |
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cause == GCCause::_heap_dump); |
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} |
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// Return a string describing the GCCause. |
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static const char* to_string(GCCause::Cause cause); |
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}; |
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#endif // SHARE_VM_GC_INTERFACE_GCCAUSE_HPP |