Mercurial > hg > graal-compiler
annotate src/share/vm/runtime/memprofiler.hpp @ 4911:d903bf750e9f
7129514: time warp warnings after 7117303
Summary: Replace calls to os::javaTimeMillis() that are used to update the milliseconds since the last GC to an equivalent that uses a monotonically non-decreasing time source.
Reviewed-by: ysr, jmasa
author | johnc |
---|---|
date | Wed, 18 Jan 2012 09:50:16 -0800 |
parents | f95d63e2154a |
children |
rev | line source |
---|---|
0 | 1 /* |
1972 | 2 * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef SHARE_VM_RUNTIME_MEMPROFILER_HPP |
26 #define SHARE_VM_RUNTIME_MEMPROFILER_HPP | |
27 | |
0 | 28 // Prints periodic memory usage trace of HotSpot VM |
29 | |
30 class MemProfilerTask; | |
31 | |
32 class MemProfiler : AllStatic { | |
33 friend class MemProfilerTask; | |
34 private: | |
35 static MemProfilerTask* _task; | |
36 static FILE* _log_fp; | |
37 // Do trace (callback from MemProfilerTask and from disengage) | |
38 static void do_trace() PRODUCT_RETURN; | |
39 public: | |
40 // Start/stop the profiler | |
41 static void engage() PRODUCT_RETURN; | |
42 static void disengage() PRODUCT_RETURN; | |
43 // Tester | |
44 static bool is_active() PRODUCT_RETURN0; | |
45 }; | |
1972 | 46 |
47 #endif // SHARE_VM_RUNTIME_MEMPROFILER_HPP |