Mercurial > hg > truffle
annotate src/share/vm/services/heapDumper.hpp @ 6854:fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
Summary: Change makefiles so that targets and parameters can be overridden by alternate makefiles.
Reviewed-by: dholmes, coleenp
| author | jprovino |
|---|---|
| date | Wed, 10 Oct 2012 14:35:58 -0400 |
| parents | da91efe96a93 |
| children |
| rev | line source |
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| 0 | 1 /* |
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2 * Copyright (c) 2005, 2012, 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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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #ifndef SHARE_VM_SERVICES_HEAPDUMPER_HPP |
| 26 #define SHARE_VM_SERVICES_HEAPDUMPER_HPP | |
| 27 | |
| 28 #include "memory/allocation.hpp" | |
| 29 #include "oops/oop.hpp" | |
| 30 #include "runtime/os.hpp" | |
| 31 | |
| 0 | 32 // HeapDumper is used to dump the java heap to file in HPROF binary format: |
| 33 // | |
| 34 // { HeapDumper dumper(true /* full GC before heap dump */); | |
| 35 // if (dumper.dump("/export/java.hprof")) { | |
| 36 // ResourceMark rm; | |
| 37 // tty->print_cr("Dump failed: %s", dumper.error_as_C_string()); | |
| 38 // } else { | |
| 39 // // dump succeeded | |
| 40 // } | |
| 41 // } | |
| 42 // | |
| 43 | |
| 44 class HeapDumper : public StackObj { | |
| 45 private: | |
| 46 char* _error; | |
| 47 bool _print_to_tty; | |
| 48 bool _gc_before_heap_dump; | |
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49 bool _oome; |
| 0 | 50 elapsedTimer _t; |
| 51 | |
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52 HeapDumper(bool gc_before_heap_dump, bool print_to_tty, bool oome) : |
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53 _gc_before_heap_dump(gc_before_heap_dump), _error(NULL), _print_to_tty(print_to_tty), _oome(oome) { } |
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54 |
| 0 | 55 // string representation of error |
| 56 char* error() const { return _error; } | |
| 57 void set_error(char* error); | |
| 58 | |
| 59 // indicates if progress messages can be sent to tty | |
| 60 bool print_to_tty() const { return _print_to_tty; } | |
| 61 | |
| 62 // internal timer. | |
| 63 elapsedTimer* timer() { return &_t; } | |
| 64 | |
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65 static void dump_heap(bool oome); |
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66 |
| 0 | 67 public: |
| 68 HeapDumper(bool gc_before_heap_dump) : | |
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69 _gc_before_heap_dump(gc_before_heap_dump), _error(NULL), _print_to_tty(false), _oome(false) { } |
| 0 | 70 |
| 71 ~HeapDumper(); | |
| 72 | |
| 73 // dumps the heap to the specified file, returns 0 if success. | |
| 74 int dump(const char* path); | |
| 75 | |
| 76 // returns error message (resource allocated), or NULL if no error | |
| 77 char* error_as_C_string() const; | |
| 78 | |
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7189254: Change makefiles for more flexibility to override defaults
jprovino
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79 static void dump_heap() NOT_SERVICES_RETURN; |
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80 |
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7189254: Change makefiles for more flexibility to override defaults
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81 static void dump_heap_from_oome() NOT_SERVICES_RETURN; |
| 0 | 82 }; |
| 1972 | 83 |
| 84 #endif // SHARE_VM_SERVICES_HEAPDUMPER_HPP |