Mercurial > hg > truffle
annotate src/share/vm/runtime/memprofiler.hpp @ 1891:9de67bf4244d
6996136: VM crash in src/share/vm/runtime/virtualspace.cpp:424
Summary: Turn CDS off if compressed oops is on
Reviewed-by: ysr, kvn, jcoomes, phh
author | iveresov |
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date | Tue, 02 Nov 2010 16:02:46 -0700 |
parents | c18cbe5936b8 |
children | f95d63e2154a |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1998, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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5 * This code is free software; you can redistribute it and/or modify it | |
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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, | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 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 }; |