--- /dev/null 2017-11-09 09:38:01.297999907 +0100 +++ new/src/hotspot/share/jfr/leakprofiler/stopOperation.hpp 2018-04-09 14:46:27.240024889 +0200 @@ -0,0 +1,56 @@ +/* + * Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +#ifndef SHARE_VM_LEAKPROFILER_STOPOPERATION_HPP +#define SHARE_VM_LEAKPROFILER_STOPOPERATION_HPP + +#include "jfr/leakprofiler/leakProfiler.hpp" +#include "jfr/leakprofiler/sampling/objectSampler.hpp" +#include "jfr/recorder/access/jfrOptionSet.hpp" +#include "logging/log.hpp" +#include "runtime/vm_operations.hpp" + +// Safepoint operation for stopping leak profiler object sampler +class StopOperation : public VM_Operation { + public: + StopOperation() {} + + Mode evaluation_mode() const { + return _safepoint; + } + + VMOp_Type type() const { + return VMOp_GC_HeapInspection; + } + + virtual void doit() { + assert(LeakProfiler::is_running(), "invariant"); + ObjectSampler* object_sampler = LeakProfiler::object_sampler(); + delete object_sampler; + LeakProfiler::set_object_sampler(NULL); + log_trace(jfr, system)( "Object sampling stopped"); + } +}; + +#endif // SHARE_VM_LEAKPROFILER_STOPOPERATION_HPP