Mercurial > hg > graal-jvmci-8
annotate src/share/vm/runtime/memprofiler.hpp @ 4837:eff609af17d7
7127706: G1: re-enable survivors during the initial-mark pause
Summary: Re-enable survivors during the initial-mark pause. Afterwards, the concurrent marking threads have to scan them and mark everything reachable from them. The next GC will have to wait for the survivors to be scanned.
Reviewed-by: brutisso, johnc
author | tonyp |
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date | Wed, 25 Jan 2012 12:58:23 -0500 |
parents | f95d63e2154a |
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rev | line source |
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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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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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 |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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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 |