Thu, 28 Jun 2012 17:03:16 -0400
6995781: Native Memory Tracking (Phase 1)
7151532: DCmd for hotspot native memory tracking
Summary: Implementation of native memory tracking phase 1, which tracks VM native memory usage, and related DCmd
Reviewed-by: acorn, coleenp, fparain
1 /*
2 * Copyright (c) 2002, 2010, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
25 #include "precompiled.hpp"
26 #include "gc_implementation/shared/cSpaceCounters.hpp"
27 #include "memory/resourceArea.hpp"
29 CSpaceCounters::CSpaceCounters(const char* name, int ordinal, size_t max_size,
30 ContiguousSpace* s, GenerationCounters* gc) :
31 _space(s) {
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, mtGC);
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 _space->capacity(), CHECK);
55 cname = PerfDataManager::counter_name(_name_space, "used");
56 _used = PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,
57 new ContiguousSpaceUsedHelper(_space),
58 CHECK);
60 cname = PerfDataManager::counter_name(_name_space, "initCapacity");
61 PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes,
62 _space->capacity(), CHECK);
63 }
64 }