ddong@9885: /*
ddong@9885:  * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
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ddong@9885:  *
ddong@9885:  * This code is free software; you can redistribute it and/or modify it
ddong@9885:  * under the terms of the GNU General Public License version 2 only, as
ddong@9885:  * published by the Free Software Foundation.
ddong@9885:  *
ddong@9885:  * This code is distributed in the hope that it will be useful, but WITHOUT
ddong@9885:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ddong@9885:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
ddong@9885:  * version 2 for more details (a copy is included in the LICENSE file that
ddong@9885:  * accompanied this code).
ddong@9885:  *
ddong@9885:  * You should have received a copy of the GNU General Public License version
ddong@9885:  * 2 along with this work; if not, write to the Free Software Foundation,
ddong@9885:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
ddong@9885:  *
ddong@9885:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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ddong@9885:  */
ddong@9885: 
ddong@9885: #ifndef SHARE_JFR_LEAKPROFILER_CHAINS_PATHTOGCROOTSOPERATION_HPP
ddong@9885: #define SHARE_JFR_LEAKPROFILER_CHAINS_PATHTOGCROOTSOPERATION_HPP
ddong@9885: 
ddong@9885: #include "jfr/leakprofiler/utilities/vmOperation.hpp"
ddong@9885: 
ddong@9885: class EdgeStore;
ddong@9885: class ObjectSampler;
ddong@9885: 
ddong@9885: // Safepoint operation for finding paths to gc roots
ddong@9885: class PathToGcRootsOperation : public OldObjectVMOperation {
ddong@9885:  private:
ddong@9885:   ObjectSampler* _sampler;
ddong@9885:   EdgeStore* const _edge_store;
ddong@9885:   const int64_t _cutoff_ticks;
ddong@9885:   const bool _emit_all;
ddong@9885: 
ddong@9885:  public:
ddong@9885:   PathToGcRootsOperation(ObjectSampler* sampler, EdgeStore* edge_store, int64_t cutoff, bool emit_all);
ddong@9885:   virtual void doit();
ddong@9885: };
ddong@9885: 
ddong@9885: #endif // SHARE_JFR_LEAKPROFILER_CHAINS_PATHTOGCROOTSOPERATION_HPP