Mercurial > hg > truffle
annotate src/share/vm/runtime/init.cpp @ 1145:e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
Summary: Autonomic per-worker free block cache sizing, tunable coalition policies, fixes to per-size block statistics, retuned gain and bandwidth of some feedback loop filters to allow quicker reactivity to abrupt changes in ambient demand, and other heuristics to reduce fragmentation of the CMS old gen. Also tightened some assertions, including those related to locking.
Reviewed-by: jmasa
| author | ysr |
|---|---|
| date | Wed, 23 Dec 2009 09:23:54 -0800 |
| parents | d95b224e9f17 |
| children | 9eba43136cb5 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 196 | 2 * Copyright 1997-2008 Sun Microsystems, Inc. All Rights Reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
| 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
| 20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
| 21 * have any questions. | |
| 22 * | |
| 23 */ | |
| 24 | |
| 25 # include "incls/_precompiled.incl" | |
| 26 # include "incls/_init.cpp.incl" | |
| 27 | |
| 28 // Initialization done by VM thread in vm_init_globals() | |
| 29 void check_ThreadShadow(); | |
| 30 void eventlog_init(); | |
| 31 void mutex_init(); | |
| 32 void chunkpool_init(); | |
| 33 void perfMemory_init(); | |
| 34 | |
| 35 // Initialization done by Java thread in init_globals() | |
| 36 void management_init(); | |
| 37 void vtune_init(); | |
| 38 void bytecodes_init(); | |
| 39 void classLoader_init(); | |
| 40 void codeCache_init(); | |
| 41 void VM_Version_init(); | |
| 42 void stubRoutines_init1(); | |
| 43 jint universe_init(); // dependent on codeCache_init and stubRoutines_init | |
| 44 void interpreter_init(); // before any methods loaded | |
| 45 void invocationCounter_init(); // before any methods loaded | |
| 46 void marksweep_init(); | |
| 47 void accessFlags_init(); | |
| 48 void templateTable_init(); | |
| 49 void InterfaceSupport_init(); | |
| 50 void universe2_init(); // dependent on codeCache_init and stubRoutines_init | |
| 51 void referenceProcessor_init(); | |
| 52 void jni_handles_init(); | |
| 53 void vmStructs_init(); | |
| 54 | |
| 55 void vtableStubs_init(); | |
| 56 void InlineCacheBuffer_init(); | |
| 57 void compilerOracle_init(); | |
| 58 void compilationPolicy_init(); | |
| 59 | |
| 60 | |
| 61 // Initialization after compiler initialization | |
| 62 bool universe_post_init(); // must happen after compiler_init | |
| 63 void javaClasses_init(); // must happen after vtable initialization | |
| 64 void stubRoutines_init2(); // note: StubRoutines need 2-phase init | |
| 65 | |
| 66 // Do not disable thread-local-storage, as it is important for some | |
| 67 // JNI/JVM/JVMTI functions and signal handlers to work properly | |
| 68 // during VM shutdown | |
| 69 void perfMemory_exit(); | |
| 70 void ostream_exit(); | |
| 71 | |
| 72 void vm_init_globals() { | |
| 73 check_ThreadShadow(); | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
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74 basic_types_init(); |
| 0 | 75 eventlog_init(); |
| 76 mutex_init(); | |
| 77 chunkpool_init(); | |
| 78 perfMemory_init(); | |
| 79 } | |
| 80 | |
| 81 | |
| 82 jint init_globals() { | |
| 83 HandleMark hm; | |
| 84 management_init(); | |
| 85 vtune_init(); | |
| 86 bytecodes_init(); | |
| 87 classLoader_init(); | |
| 88 codeCache_init(); | |
| 89 VM_Version_init(); | |
| 90 stubRoutines_init1(); | |
| 91 jint status = universe_init(); // dependent on codeCache_init and stubRoutines_init | |
| 92 if (status != JNI_OK) | |
| 93 return status; | |
| 94 | |
| 95 interpreter_init(); // before any methods loaded | |
| 96 invocationCounter_init(); // before any methods loaded | |
| 97 marksweep_init(); | |
| 98 accessFlags_init(); | |
| 99 templateTable_init(); | |
| 100 InterfaceSupport_init(); | |
| 101 SharedRuntime::generate_stubs(); | |
| 102 universe2_init(); // dependent on codeCache_init and stubRoutines_init | |
| 103 referenceProcessor_init(); | |
| 104 jni_handles_init(); | |
| 105 #ifndef VM_STRUCTS_KERNEL | |
| 106 vmStructs_init(); | |
| 107 #endif // VM_STRUCTS_KERNEL | |
| 108 | |
| 109 vtableStubs_init(); | |
| 110 InlineCacheBuffer_init(); | |
| 111 compilerOracle_init(); | |
| 112 compilationPolicy_init(); | |
| 113 VMRegImpl::set_regName(); | |
| 114 | |
| 115 if (!universe_post_init()) { | |
| 116 return JNI_ERR; | |
| 117 } | |
| 118 javaClasses_init(); // must happen after vtable initialization | |
| 119 stubRoutines_init2(); // note: StubRoutines need 2-phase init | |
| 120 | |
| 121 // Although we'd like to, we can't easily do a heap verify | |
| 122 // here because the main thread isn't yet a JavaThread, so | |
| 123 // its TLAB may not be made parseable from the usual interfaces. | |
| 124 if (VerifyBeforeGC && !UseTLAB && | |
| 125 Universe::heap()->total_collections() >= VerifyGCStartAt) { | |
| 126 Universe::heap()->prepare_for_verify(); | |
| 127 Universe::verify(); // make sure we're starting with a clean slate | |
| 128 } | |
| 129 | |
| 130 return JNI_OK; | |
| 131 } | |
| 132 | |
| 133 | |
| 134 void exit_globals() { | |
| 135 static bool destructorsCalled = false; | |
| 136 if (!destructorsCalled) { | |
| 137 destructorsCalled = true; | |
| 138 perfMemory_exit(); | |
| 139 if (PrintSafepointStatistics) { | |
| 140 // Print the collected safepoint statistics. | |
| 141 SafepointSynchronize::print_stat_on_exit(); | |
| 142 } | |
| 143 ostream_exit(); | |
| 144 } | |
| 145 } | |
| 146 | |
| 147 | |
| 148 static bool _init_completed = false; | |
| 149 | |
| 150 bool is_init_completed() { | |
| 151 return _init_completed; | |
| 152 } | |
| 153 | |
| 154 | |
| 155 void set_init_completed() { | |
| 156 _init_completed = true; | |
| 157 } |