|
0
|
1 /*
|
|
|
2 * Copyright 1998 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 */
|
|
|
24
|
|
|
25 // Prints periodic memory usage trace of HotSpot VM
|
|
|
26
|
|
|
27 class MemProfilerTask;
|
|
|
28
|
|
|
29 class MemProfiler : AllStatic {
|
|
|
30 friend class MemProfilerTask;
|
|
|
31 private:
|
|
|
32 static MemProfilerTask* _task;
|
|
|
33 static FILE* _log_fp;
|
|
|
34 // Do trace (callback from MemProfilerTask and from disengage)
|
|
|
35 static void do_trace() PRODUCT_RETURN;
|
|
|
36 public:
|
|
|
37 // Start/stop the profiler
|
|
|
38 static void engage() PRODUCT_RETURN;
|
|
|
39 static void disengage() PRODUCT_RETURN;
|
|
|
40 // Tester
|
|
|
41 static bool is_active() PRODUCT_RETURN0;
|
|
|
42 };
|
