Mercurial > hg > graal-compiler
view src/share/vm/gc_interface/gcCause.cpp @ 3405:8cbcd406c42e
7042740: CMS: assert(n> q) failed: Looping at: ... blockOffsetTable.cpp:557
Summary: Do a one-step look-ahead, when sweeping free or garbage blocks, to avoid overstepping sweep limit, which may become a non-block-boundary because of a heap expansion delta coalescing with a previously co-terminal free block.
Reviewed-by: brutisso, tonyp
author | ysr |
---|---|
date | Fri, 27 May 2011 15:05:33 -0700 |
parents | c798c277ddd1 |
children | ab5107bee78c |
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/* * Copyright (c) 2002, 2011, 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. * */ #include "precompiled.hpp" #include "gc_interface/gcCause.hpp" const char* GCCause::to_string(GCCause::Cause cause) { switch (cause) { case _java_lang_system_gc: return "System.gc()"; case _full_gc_alot: return "FullGCAlot"; case _scavenge_alot: return "ScavengeAlot"; case _allocation_profiler: return "Allocation Profiler"; case _jvmti_force_gc: return "JvmtiEnv ForceGarbageCollection"; case _no_gc: return "No GC"; case _allocation_failure: return "Allocation Failure"; case _gc_locker: return "GCLocker Initiated GC"; case _heap_inspection: return "Heap Inspection Initiated GC"; case _heap_dump: return "Heap Dump Initiated GC"; case _tenured_generation_full: return "Tenured Generation Full"; case _permanent_generation_full: return "Permanent Generation Full"; case _cms_generation_full: return "CMS Generation Full"; case _cms_initial_mark: return "CMS Initial Mark"; case _cms_final_remark: return "CMS Final Remark"; case _old_generation_expanded_on_last_scavenge: return "Old Generation Expanded On Last Scavenge"; case _old_generation_too_full_to_scavenge: return "Old Generation Too Full To Scavenge"; case _g1_inc_collection_pause: return "G1 Evacuation Pause"; case _last_ditch_collection: return "Last ditch collection"; case _last_gc_cause: return "ILLEGAL VALUE - last gc cause - ILLEGAL VALUE"; default: return "unknown GCCause"; } ShouldNotReachHere(); }