| 1 | /* |
| 2 | * Copyright (c) 2019, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| 20 | * or visit www.oracle.com if you need additional information or have any |
| 21 | * questions. |
| 22 | * |
| 23 | */ |
| 24 | |
| 25 | #ifndef SHARE_JFR_LEAKPROFILER_CHAINS_PATHTOGCROOTSOPERATION_HPP |
| 26 | #define SHARE_JFR_LEAKPROFILER_CHAINS_PATHTOGCROOTSOPERATION_HPP |
| 27 | |
| 28 | #include "jfr/leakprofiler/utilities/vmOperation.hpp" |
| 29 | |
| 30 | class EdgeStore; |
| 31 | class ObjectSampler; |
| 32 | |
| 33 | // Safepoint operation for finding paths to gc roots |
| 34 | class PathToGcRootsOperation : public OldObjectVMOperation { |
| 35 | private: |
| 36 | ObjectSampler* _sampler; |
| 37 | EdgeStore* const _edge_store; |
| 38 | const int64_t _cutoff_ticks; |
| 39 | const bool _emit_all; |
| 40 | |
| 41 | public: |
| 42 | PathToGcRootsOperation(ObjectSampler* sampler, EdgeStore* edge_store, int64_t cutoff, bool emit_all); |
| 43 | virtual void doit(); |
| 44 | }; |
| 45 | |
| 46 | #endif // SHARE_JFR_LEAKPROFILER_CHAINS_PATHTOGCROOTSOPERATION_HPP |
| 47 | |