src/share/vm/gc_implementation/shared/gSpaceCounters.cpp

Sun, 13 Apr 2008 17:43:42 -0400

author
coleenp
date
Sun, 13 Apr 2008 17:43:42 -0400
changeset 548
ba764ed4b6f2
parent 435
a61af66fc99e
child 1907
c18cbe5936b8
permissions
-rw-r--r--

6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
Summary: Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv
Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold

     1 /*
     2  * Copyright 2002-2004 Sun Microsystems, Inc.  All Rights Reserved.
     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  */
    25 # include "incls/_precompiled.incl"
    26 # include "incls/_gSpaceCounters.cpp.incl"
    28 GSpaceCounters::GSpaceCounters(const char* name, int ordinal, size_t max_size,
    29                                Generation* g, GenerationCounters* gc,
    30                                bool sampled) :
    31    _gen(g) {
    33   if (UsePerfData) {
    34     EXCEPTION_MARK;
    35     ResourceMark rm;
    37     const char* cns = PerfDataManager::name_space(gc->name_space(), "space",
    38                                                   ordinal);
    40     _name_space = NEW_C_HEAP_ARRAY(char, strlen(cns)+1);
    41     strcpy(_name_space, cns);
    43     const char* cname = PerfDataManager::counter_name(_name_space, "name");
    44     PerfDataManager::create_string_constant(SUN_GC, cname, name, CHECK);
    46     cname = PerfDataManager::counter_name(_name_space, "maxCapacity");
    47     PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes,
    48                                      (jlong)max_size, CHECK);
    50     cname = PerfDataManager::counter_name(_name_space, "capacity");
    51     _capacity = PerfDataManager::create_variable(SUN_GC, cname,
    52                                                  PerfData::U_Bytes,
    53                                                  _gen->capacity(), CHECK);
    55     cname = PerfDataManager::counter_name(_name_space, "used");
    56     if (sampled) {
    57       _used = PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,
    58                                                new GenerationUsedHelper(_gen),
    59                                                CHECK);
    60     }
    61     else {
    62       _used = PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,
    63                                                (jlong)0, CHECK);
    64     }
    66     cname = PerfDataManager::counter_name(_name_space, "initCapacity");
    67     PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes,
    68                                      _gen->capacity(), CHECK);
    69   }
    70 }

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