Mercurial > hg > truffle
annotate src/share/vm/gc_implementation/parallelScavenge/psGenerationCounters.cpp @ 14210:397385cc2c83
8028993: Full collections with ParallelScavenge slower in JDK 8 compared to 7u40
Summary: Reducing the number of calls to follow_class_loader to speed up the marking phase. Also removed some unnecessary calls to adjust_klass.
Reviewed-by: stefank, jmasa, mgerdin
author | sjohanss |
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date | Tue, 10 Dec 2013 10:31:00 +0100 |
parents | b9a9ed0f8eeb |
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rev | line source |
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0 | 1 |
2 /* | |
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7197424: update copyright year to match last edit in jdk8 hotspot repository
mikael
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3 * Copyright (c) 2004, 2012, Oracle and/or its affiliates. All rights reserved. |
0 | 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
5 * | |
6 * This code is free software; you can redistribute it and/or modify it | |
7 * under the terms of the GNU General Public License version 2 only, as | |
8 * published by the Free Software Foundation. | |
9 * | |
10 * This code is distributed in the hope that it will be useful, but WITHOUT | |
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
13 * version 2 for more details (a copy is included in the LICENSE file that | |
14 * accompanied this code). | |
15 * | |
16 * You should have received a copy of the GNU General Public License version | |
17 * 2 along with this work; if not, write to the Free Software Foundation, | |
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
19 * | |
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c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
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21 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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22 * questions. |
0 | 23 * |
24 */ | |
25 | |
1972 | 26 #include "precompiled.hpp" |
27 #include "gc_implementation/parallelScavenge/psGenerationCounters.hpp" | |
28 #include "memory/resourceArea.hpp" | |
0 | 29 |
30 | |
31 PSGenerationCounters::PSGenerationCounters(const char* name, | |
32 int ordinal, int spaces, | |
33 PSVirtualSpace* v): | |
34 _ps_virtual_space(v) { | |
35 | |
36 if (UsePerfData) { | |
37 | |
38 EXCEPTION_MARK; | |
39 ResourceMark rm; | |
40 | |
41 const char* cns = PerfDataManager::name_space("generation", ordinal); | |
42 | |
6197 | 43 _name_space = NEW_C_HEAP_ARRAY(char, strlen(cns)+1, mtGC); |
0 | 44 strcpy(_name_space, cns); |
45 | |
46 const char* cname = PerfDataManager::counter_name(_name_space, "name"); | |
47 PerfDataManager::create_string_constant(SUN_GC, cname, name, CHECK); | |
48 | |
49 cname = PerfDataManager::counter_name(_name_space, "spaces"); | |
50 PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_None, | |
51 spaces, CHECK); | |
52 | |
53 cname = PerfDataManager::counter_name(_name_space, "minCapacity"); | |
54 PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes, | |
55 _ps_virtual_space->committed_size(), CHECK); | |
56 | |
57 cname = PerfDataManager::counter_name(_name_space, "maxCapacity"); | |
58 PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes, | |
59 _ps_virtual_space->reserved_size(), CHECK); | |
60 | |
61 cname = PerfDataManager::counter_name(_name_space, "capacity"); | |
62 _current_size = PerfDataManager::create_variable(SUN_GC, cname, | |
63 PerfData::U_Bytes, _ps_virtual_space->committed_size(), CHECK); | |
64 } | |
65 } |