Mon, 09 Jun 2008 07:18:59 -0700
6711930: NUMA allocator: ParOld can create a hole less than minimal object size in the lgrp chunk
Summary: The fix takes care of three issues that can create a hole less a minimal object in the lgrp chunk
Reviewed-by: ysr, apetrusenko
duke@435 | 1 | /* |
duke@435 | 2 | * Copyright 2002-2004 Sun Microsystems, Inc. All Rights Reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
duke@435 | 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
duke@435 | 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
duke@435 | 21 | * have any questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
duke@435 | 25 | # include "incls/_precompiled.incl" |
duke@435 | 26 | # include "incls/_generationCounters.cpp.incl" |
duke@435 | 27 | |
duke@435 | 28 | |
duke@435 | 29 | GenerationCounters::GenerationCounters(const char* name, |
duke@435 | 30 | int ordinal, int spaces, |
duke@435 | 31 | VirtualSpace* v): |
duke@435 | 32 | _virtual_space(v) { |
duke@435 | 33 | |
duke@435 | 34 | if (UsePerfData) { |
duke@435 | 35 | |
duke@435 | 36 | EXCEPTION_MARK; |
duke@435 | 37 | ResourceMark rm; |
duke@435 | 38 | |
duke@435 | 39 | const char* cns = PerfDataManager::name_space("generation", ordinal); |
duke@435 | 40 | |
duke@435 | 41 | _name_space = NEW_C_HEAP_ARRAY(char, strlen(cns)+1); |
duke@435 | 42 | strcpy(_name_space, cns); |
duke@435 | 43 | |
duke@435 | 44 | const char* cname = PerfDataManager::counter_name(_name_space, "name"); |
duke@435 | 45 | PerfDataManager::create_string_constant(SUN_GC, cname, name, CHECK); |
duke@435 | 46 | |
duke@435 | 47 | cname = PerfDataManager::counter_name(_name_space, "spaces"); |
duke@435 | 48 | PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_None, |
duke@435 | 49 | spaces, CHECK); |
duke@435 | 50 | |
duke@435 | 51 | cname = PerfDataManager::counter_name(_name_space, "minCapacity"); |
duke@435 | 52 | PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes, |
duke@435 | 53 | _virtual_space->committed_size(), CHECK); |
duke@435 | 54 | |
duke@435 | 55 | cname = PerfDataManager::counter_name(_name_space, "maxCapacity"); |
duke@435 | 56 | PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes, |
duke@435 | 57 | _virtual_space->reserved_size(), CHECK); |
duke@435 | 58 | |
duke@435 | 59 | cname = PerfDataManager::counter_name(_name_space, "capacity"); |
duke@435 | 60 | _current_size = PerfDataManager::create_variable(SUN_GC, cname, |
duke@435 | 61 | PerfData::U_Bytes, |
duke@435 | 62 | _virtual_space->committed_size(), CHECK); |
duke@435 | 63 | } |
duke@435 | 64 | } |